./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label48.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3de13aa5-49f3-4b33-8521-0f8ad75e5ef6/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3de13aa5-49f3-4b33-8521-0f8ad75e5ef6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3de13aa5-49f3-4b33-8521-0f8ad75e5ef6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3de13aa5-49f3-4b33-8521-0f8ad75e5ef6/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label48.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3de13aa5-49f3-4b33-8521-0f8ad75e5ef6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3de13aa5-49f3-4b33-8521-0f8ad75e5ef6/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 ed0ef8676714c03e409913657b72922b069856bc ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 23:02:26,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:02:26,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:02:26,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:02:26,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:02:26,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:02:26,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:02:26,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:02:26,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:02:26,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:02:26,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:02:26,082 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:02:26,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:02:26,084 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:02:26,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:02:26,086 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:02:26,087 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:02:26,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:02:26,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:02:26,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:02:26,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:02:26,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:02:26,097 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:02:26,098 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:02:26,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:02:26,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:02:26,102 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:02:26,103 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:02:26,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:02:26,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:02:26,105 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:02:26,105 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:02:26,106 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:02:26,107 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:02:26,108 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:02:26,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:02:26,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:02:26,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:02:26,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:02:26,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:02:26,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:02:26,112 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3de13aa5-49f3-4b33-8521-0f8ad75e5ef6/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 23:02:26,127 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:02:26,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:02:26,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:02:26,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:02:26,129 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 23:02:26,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:02:26,134 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 23:02:26,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:02:26,134 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 23:02:26,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:02:26,135 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 23:02:26,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 23:02:26,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 23:02:26,136 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 23:02:26,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:02:26,137 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:02:26,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 23:02:26,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:02:26,137 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 23:02:26,138 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 23:02:26,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 23:02:26,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 23:02:26,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:02:26,139 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 23:02:26,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 23:02:26,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 23:02:26,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 23:02:26,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 23:02:26,140 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3de13aa5-49f3-4b33-8521-0f8ad75e5ef6/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 -> ed0ef8676714c03e409913657b72922b069856bc [2019-11-19 23:02:26,318 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:02:26,331 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:02:26,335 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:02:26,336 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:02:26,337 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:02:26,337 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3de13aa5-49f3-4b33-8521-0f8ad75e5ef6/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem03_label48.c [2019-11-19 23:02:26,410 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3de13aa5-49f3-4b33-8521-0f8ad75e5ef6/bin/uautomizer/data/b4cd07bbd/2b1876f52bf642329cc8baf0cbafa6f7/FLAG9c551903c [2019-11-19 23:02:27,126 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:02:27,127 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3de13aa5-49f3-4b33-8521-0f8ad75e5ef6/sv-benchmarks/c/eca-rers2012/Problem03_label48.c [2019-11-19 23:02:27,150 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3de13aa5-49f3-4b33-8521-0f8ad75e5ef6/bin/uautomizer/data/b4cd07bbd/2b1876f52bf642329cc8baf0cbafa6f7/FLAG9c551903c [2019-11-19 23:02:27,281 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3de13aa5-49f3-4b33-8521-0f8ad75e5ef6/bin/uautomizer/data/b4cd07bbd/2b1876f52bf642329cc8baf0cbafa6f7 [2019-11-19 23:02:27,284 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:02:27,286 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:02:27,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:02:27,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:02:27,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:02:27,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:02:27" (1/1) ... [2019-11-19 23:02:27,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5087b74e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:02:27, skipping insertion in model container [2019-11-19 23:02:27,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:02:27" (1/1) ... [2019-11-19 23:02:27,303 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:02:27,394 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:02:28,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:02:28,195 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:02:28,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:02:28,548 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:02:28,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:02:28 WrapperNode [2019-11-19 23:02:28,550 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:02:28,551 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:02:28,551 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:02:28,551 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:02:28,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:02:28" (1/1) ... [2019-11-19 23:02:28,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:02:28" (1/1) ... [2019-11-19 23:02:28,714 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:02:28,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:02:28,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:02:28,717 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:02:28,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:02:28" (1/1) ... [2019-11-19 23:02:28,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:02:28" (1/1) ... [2019-11-19 23:02:28,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:02:28" (1/1) ... [2019-11-19 23:02:28,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:02:28" (1/1) ... [2019-11-19 23:02:28,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:02:28" (1/1) ... [2019-11-19 23:02:28,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:02:28" (1/1) ... [2019-11-19 23:02:28,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:02:28" (1/1) ... [2019-11-19 23:02:28,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:02:28,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:02:28,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:02:28,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:02:28,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:02:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de13aa5-49f3-4b33-8521-0f8ad75e5ef6/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 23:02:28,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:02:28,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:02:31,428 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:02:31,428 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-19 23:02:31,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:02:31 BoogieIcfgContainer [2019-11-19 23:02:31,430 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:02:31,430 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 23:02:31,431 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 23:02:31,435 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 23:02:31,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 11:02:27" (1/3) ... [2019-11-19 23:02:31,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f14c472 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:02:31, skipping insertion in model container [2019-11-19 23:02:31,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:02:28" (2/3) ... [2019-11-19 23:02:31,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f14c472 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:02:31, skipping insertion in model container [2019-11-19 23:02:31,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:02:31" (3/3) ... [2019-11-19 23:02:31,441 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem03_label48.c [2019-11-19 23:02:31,452 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 23:02:31,463 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 23:02:31,473 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 23:02:31,507 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 23:02:31,507 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 23:02:31,508 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 23:02:31,508 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 23:02:31,508 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 23:02:31,508 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 23:02:31,508 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 23:02:31,508 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 23:02:31,536 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states. [2019-11-19 23:02:31,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-11-19 23:02:31,558 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:02:31,560 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:02:31,560 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:02:31,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:02:31,567 INFO L82 PathProgramCache]: Analyzing trace with hash -819677325, now seen corresponding path program 1 times [2019-11-19 23:02:31,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:02:31,577 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49922620] [2019-11-19 23:02:31,578 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:02:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:02:32,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:02:32,323 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49922620] [2019-11-19 23:02:32,324 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:02:32,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 23:02:32,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390514318] [2019-11-19 23:02:32,338 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 23:02:32,338 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:02:32,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 23:02:32,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:02:32,356 INFO L87 Difference]: Start difference. First operand 302 states. Second operand 4 states. [2019-11-19 23:02:34,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:02:34,674 INFO L93 Difference]: Finished difference Result 1075 states and 1929 transitions. [2019-11-19 23:02:34,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 23:02:34,677 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 183 [2019-11-19 23:02:34,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:02:34,701 INFO L225 Difference]: With dead ends: 1075 [2019-11-19 23:02:34,701 INFO L226 Difference]: Without dead ends: 677 [2019-11-19 23:02:34,707 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:02:34,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2019-11-19 23:02:34,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 451. [2019-11-19 23:02:34,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2019-11-19 23:02:34,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 700 transitions. [2019-11-19 23:02:34,811 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 700 transitions. Word has length 183 [2019-11-19 23:02:34,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:02:34,812 INFO L462 AbstractCegarLoop]: Abstraction has 451 states and 700 transitions. [2019-11-19 23:02:34,812 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 23:02:34,812 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 700 transitions. [2019-11-19 23:02:34,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-11-19 23:02:34,819 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:02:34,820 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:02:34,820 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:02:34,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:02:34,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1598798580, now seen corresponding path program 1 times [2019-11-19 23:02:34,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:02:34,822 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110529082] [2019-11-19 23:02:34,822 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:02:34,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:02:35,011 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:02:35,012 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110529082] [2019-11-19 23:02:35,012 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:02:35,012 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 23:02:35,013 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901227889] [2019-11-19 23:02:35,015 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 23:02:35,015 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:02:35,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 23:02:35,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:02:35,016 INFO L87 Difference]: Start difference. First operand 451 states and 700 transitions. Second operand 3 states. [2019-11-19 23:02:36,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:02:36,277 INFO L93 Difference]: Finished difference Result 1323 states and 2069 transitions. [2019-11-19 23:02:36,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:02:36,278 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191 [2019-11-19 23:02:36,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:02:36,284 INFO L225 Difference]: With dead ends: 1323 [2019-11-19 23:02:36,284 INFO L226 Difference]: Without dead ends: 874 [2019-11-19 23:02:36,286 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:02:36,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2019-11-19 23:02:36,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 859. [2019-11-19 23:02:36,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 859 states. [2019-11-19 23:02:36,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 1316 transitions. [2019-11-19 23:02:36,353 INFO L78 Accepts]: Start accepts. Automaton has 859 states and 1316 transitions. Word has length 191 [2019-11-19 23:02:36,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:02:36,354 INFO L462 AbstractCegarLoop]: Abstraction has 859 states and 1316 transitions. [2019-11-19 23:02:36,354 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 23:02:36,354 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1316 transitions. [2019-11-19 23:02:36,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-11-19 23:02:36,361 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:02:36,361 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:02:36,362 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:02:36,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:02:36,362 INFO L82 PathProgramCache]: Analyzing trace with hash 1173366829, now seen corresponding path program 1 times [2019-11-19 23:02:36,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:02:36,363 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162337552] [2019-11-19 23:02:36,363 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:02:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:02:36,499 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:02:36,499 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162337552] [2019-11-19 23:02:36,500 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:02:36,500 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 23:02:36,500 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465884122] [2019-11-19 23:02:36,501 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 23:02:36,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:02:36,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 23:02:36,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:02:36,502 INFO L87 Difference]: Start difference. First operand 859 states and 1316 transitions. Second operand 4 states. [2019-11-19 23:02:38,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:02:38,520 INFO L93 Difference]: Finished difference Result 3364 states and 5170 transitions. [2019-11-19 23:02:38,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 23:02:38,521 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 192 [2019-11-19 23:02:38,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:02:38,539 INFO L225 Difference]: With dead ends: 3364 [2019-11-19 23:02:38,540 INFO L226 Difference]: Without dead ends: 2507 [2019-11-19 23:02:38,542 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:02:38,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2507 states. [2019-11-19 23:02:38,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2507 to 1682. [2019-11-19 23:02:38,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1682 states. [2019-11-19 23:02:38,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1682 states and 2434 transitions. [2019-11-19 23:02:38,606 INFO L78 Accepts]: Start accepts. Automaton has 1682 states and 2434 transitions. Word has length 192 [2019-11-19 23:02:38,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:02:38,607 INFO L462 AbstractCegarLoop]: Abstraction has 1682 states and 2434 transitions. [2019-11-19 23:02:38,607 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 23:02:38,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 2434 transitions. [2019-11-19 23:02:38,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2019-11-19 23:02:38,623 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:02:38,623 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:02:38,623 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:02:38,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:02:38,624 INFO L82 PathProgramCache]: Analyzing trace with hash -73581847, now seen corresponding path program 1 times [2019-11-19 23:02:38,624 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:02:38,624 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5563214] [2019-11-19 23:02:38,625 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:02:38,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:02:38,958 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-19 23:02:38,959 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5563214] [2019-11-19 23:02:38,960 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:02:38,960 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 23:02:38,960 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776250569] [2019-11-19 23:02:38,962 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 23:02:38,962 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:02:38,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 23:02:38,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:02:38,963 INFO L87 Difference]: Start difference. First operand 1682 states and 2434 transitions. Second operand 4 states. [2019-11-19 23:02:40,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:02:40,965 INFO L93 Difference]: Finished difference Result 6614 states and 9588 transitions. [2019-11-19 23:02:40,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 23:02:40,966 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 198 [2019-11-19 23:02:40,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:02:41,000 INFO L225 Difference]: With dead ends: 6614 [2019-11-19 23:02:41,000 INFO L226 Difference]: Without dead ends: 4934 [2019-11-19 23:02:41,003 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:02:41,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4934 states. [2019-11-19 23:02:41,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4934 to 4932. [2019-11-19 23:02:41,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4932 states. [2019-11-19 23:02:41,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4932 states to 4932 states and 6537 transitions. [2019-11-19 23:02:41,128 INFO L78 Accepts]: Start accepts. Automaton has 4932 states and 6537 transitions. Word has length 198 [2019-11-19 23:02:41,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:02:41,129 INFO L462 AbstractCegarLoop]: Abstraction has 4932 states and 6537 transitions. [2019-11-19 23:02:41,129 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 23:02:41,129 INFO L276 IsEmpty]: Start isEmpty. Operand 4932 states and 6537 transitions. [2019-11-19 23:02:41,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2019-11-19 23:02:41,143 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:02:41,144 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:02:41,144 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:02:41,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:02:41,145 INFO L82 PathProgramCache]: Analyzing trace with hash -1185291772, now seen corresponding path program 1 times [2019-11-19 23:02:41,145 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:02:41,145 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888855044] [2019-11-19 23:02:41,146 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:02:41,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:02:41,295 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:02:41,296 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888855044] [2019-11-19 23:02:41,296 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:02:41,296 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 23:02:41,297 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429209869] [2019-11-19 23:02:41,297 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 23:02:41,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:02:41,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 23:02:41,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:02:41,298 INFO L87 Difference]: Start difference. First operand 4932 states and 6537 transitions. Second operand 3 states. [2019-11-19 23:02:42,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:02:42,596 INFO L93 Difference]: Finished difference Result 11905 states and 15682 transitions. [2019-11-19 23:02:42,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:02:42,596 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 224 [2019-11-19 23:02:42,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:02:42,640 INFO L225 Difference]: With dead ends: 11905 [2019-11-19 23:02:42,640 INFO L226 Difference]: Without dead ends: 6975 [2019-11-19 23:02:42,647 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:02:42,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6975 states. [2019-11-19 23:02:42,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6975 to 6974. [2019-11-19 23:02:42,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6974 states. [2019-11-19 23:02:42,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6974 states to 6974 states and 8983 transitions. [2019-11-19 23:02:42,819 INFO L78 Accepts]: Start accepts. Automaton has 6974 states and 8983 transitions. Word has length 224 [2019-11-19 23:02:42,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:02:42,820 INFO L462 AbstractCegarLoop]: Abstraction has 6974 states and 8983 transitions. [2019-11-19 23:02:42,820 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 23:02:42,820 INFO L276 IsEmpty]: Start isEmpty. Operand 6974 states and 8983 transitions. [2019-11-19 23:02:42,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-11-19 23:02:42,839 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:02:42,839 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:02:42,840 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:02:42,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:02:42,840 INFO L82 PathProgramCache]: Analyzing trace with hash -321194833, now seen corresponding path program 1 times [2019-11-19 23:02:42,840 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:02:42,841 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963388670] [2019-11-19 23:02:42,841 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:02:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:02:43,240 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 50 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:02:43,241 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963388670] [2019-11-19 23:02:43,241 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1095829747] [2019-11-19 23:02:43,241 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de13aa5-49f3-4b33-8521-0f8ad75e5ef6/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:02:43,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:02:43,448 INFO L255 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 23:02:43,473 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:02:43,574 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-19 23:02:43,574 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-19 23:02:43,574 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2019-11-19 23:02:43,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263065875] [2019-11-19 23:02:43,576 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 23:02:43,576 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:02:43,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 23:02:43,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-19 23:02:43,577 INFO L87 Difference]: Start difference. First operand 6974 states and 8983 transitions. Second operand 3 states. [2019-11-19 23:02:44,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:02:44,641 INFO L93 Difference]: Finished difference Result 19432 states and 24902 transitions. [2019-11-19 23:02:44,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:02:44,643 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 231 [2019-11-19 23:02:44,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:02:44,732 INFO L225 Difference]: With dead ends: 19432 [2019-11-19 23:02:44,733 INFO L226 Difference]: Without dead ends: 12460 [2019-11-19 23:02:44,743 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-19 23:02:44,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12460 states. [2019-11-19 23:02:44,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12460 to 12459. [2019-11-19 23:02:44,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12459 states. [2019-11-19 23:02:45,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12459 states to 12459 states and 15314 transitions. [2019-11-19 23:02:45,028 INFO L78 Accepts]: Start accepts. Automaton has 12459 states and 15314 transitions. Word has length 231 [2019-11-19 23:02:45,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:02:45,033 INFO L462 AbstractCegarLoop]: Abstraction has 12459 states and 15314 transitions. [2019-11-19 23:02:45,033 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 23:02:45,033 INFO L276 IsEmpty]: Start isEmpty. Operand 12459 states and 15314 transitions. [2019-11-19 23:02:45,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2019-11-19 23:02:45,064 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:02:45,065 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:02:45,268 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:02:45,269 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:02:45,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:02:45,269 INFO L82 PathProgramCache]: Analyzing trace with hash 768090626, now seen corresponding path program 1 times [2019-11-19 23:02:45,270 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:02:45,270 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793855676] [2019-11-19 23:02:45,270 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:02:45,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:02:45,538 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:02:45,539 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793855676] [2019-11-19 23:02:45,539 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:02:45,540 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 23:02:45,540 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589310048] [2019-11-19 23:02:45,541 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 23:02:45,541 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:02:45,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 23:02:45,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:02:45,542 INFO L87 Difference]: Start difference. First operand 12459 states and 15314 transitions. Second operand 4 states. [2019-11-19 23:02:47,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:02:47,393 INFO L93 Difference]: Finished difference Result 30647 states and 37340 transitions. [2019-11-19 23:02:47,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 23:02:47,394 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 246 [2019-11-19 23:02:47,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:02:47,430 INFO L225 Difference]: With dead ends: 30647 [2019-11-19 23:02:47,431 INFO L226 Difference]: Without dead ends: 18190 [2019-11-19 23:02:47,447 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:02:47,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18190 states. [2019-11-19 23:02:47,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18190 to 14503. [2019-11-19 23:02:47,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14503 states. [2019-11-19 23:02:47,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14503 states to 14503 states and 17503 transitions. [2019-11-19 23:02:47,692 INFO L78 Accepts]: Start accepts. Automaton has 14503 states and 17503 transitions. Word has length 246 [2019-11-19 23:02:47,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:02:47,693 INFO L462 AbstractCegarLoop]: Abstraction has 14503 states and 17503 transitions. [2019-11-19 23:02:47,693 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 23:02:47,693 INFO L276 IsEmpty]: Start isEmpty. Operand 14503 states and 17503 transitions. [2019-11-19 23:02:47,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2019-11-19 23:02:47,730 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:02:47,730 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:02:47,730 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:02:47,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:02:47,731 INFO L82 PathProgramCache]: Analyzing trace with hash 2030031962, now seen corresponding path program 1 times [2019-11-19 23:02:47,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:02:47,731 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281135493] [2019-11-19 23:02:47,732 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:02:47,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:02:47,869 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-11-19 23:02:47,869 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281135493] [2019-11-19 23:02:47,870 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:02:47,870 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 23:02:47,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385450368] [2019-11-19 23:02:47,871 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 23:02:47,871 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:02:47,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 23:02:47,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:02:47,872 INFO L87 Difference]: Start difference. First operand 14503 states and 17503 transitions. Second operand 4 states. [2019-11-19 23:02:49,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:02:49,152 INFO L93 Difference]: Finished difference Result 29005 states and 35006 transitions. [2019-11-19 23:02:49,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:02:49,153 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 248 [2019-11-19 23:02:49,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:02:49,179 INFO L225 Difference]: With dead ends: 29005 [2019-11-19 23:02:49,179 INFO L226 Difference]: Without dead ends: 14504 [2019-11-19 23:02:49,196 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:02:49,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14504 states. [2019-11-19 23:02:49,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14504 to 14503. [2019-11-19 23:02:49,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14503 states. [2019-11-19 23:02:49,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14503 states to 14503 states and 16848 transitions. [2019-11-19 23:02:49,602 INFO L78 Accepts]: Start accepts. Automaton has 14503 states and 16848 transitions. Word has length 248 [2019-11-19 23:02:49,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:02:49,602 INFO L462 AbstractCegarLoop]: Abstraction has 14503 states and 16848 transitions. [2019-11-19 23:02:49,602 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 23:02:49,603 INFO L276 IsEmpty]: Start isEmpty. Operand 14503 states and 16848 transitions. [2019-11-19 23:02:49,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2019-11-19 23:02:49,637 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:02:49,638 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:02:49,638 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:02:49,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:02:49,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1718686317, now seen corresponding path program 1 times [2019-11-19 23:02:49,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:02:49,649 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204623397] [2019-11-19 23:02:49,650 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:02:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:02:49,915 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 72 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:02:49,916 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204623397] [2019-11-19 23:02:49,917 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1596787821] [2019-11-19 23:02:49,917 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de13aa5-49f3-4b33-8521-0f8ad75e5ef6/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:02:50,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:02:50,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 23:02:50,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:02:50,205 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-19 23:02:50,205 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-19 23:02:50,205 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-11-19 23:02:50,206 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453770464] [2019-11-19 23:02:50,206 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 23:02:50,207 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:02:50,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 23:02:50,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-19 23:02:50,208 INFO L87 Difference]: Start difference. First operand 14503 states and 16848 transitions. Second operand 3 states. [2019-11-19 23:02:51,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:02:51,338 INFO L93 Difference]: Finished difference Result 37557 states and 43797 transitions. [2019-11-19 23:02:51,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:02:51,339 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 253 [2019-11-19 23:02:51,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:02:51,375 INFO L225 Difference]: With dead ends: 37557 [2019-11-19 23:02:51,376 INFO L226 Difference]: Without dead ends: 23056 [2019-11-19 23:02:51,394 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-19 23:02:51,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23056 states. [2019-11-19 23:02:51,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23056 to 23029. [2019-11-19 23:02:51,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23029 states. [2019-11-19 23:02:51,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23029 states to 23029 states and 26631 transitions. [2019-11-19 23:02:51,716 INFO L78 Accepts]: Start accepts. Automaton has 23029 states and 26631 transitions. Word has length 253 [2019-11-19 23:02:51,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:02:51,716 INFO L462 AbstractCegarLoop]: Abstraction has 23029 states and 26631 transitions. [2019-11-19 23:02:51,717 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 23:02:51,717 INFO L276 IsEmpty]: Start isEmpty. Operand 23029 states and 26631 transitions. [2019-11-19 23:02:51,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2019-11-19 23:02:51,753 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:02:51,756 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:02:51,960 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:02:51,960 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:02:51,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:02:51,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1626982926, now seen corresponding path program 1 times [2019-11-19 23:02:51,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:02:51,961 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27282663] [2019-11-19 23:02:51,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:02:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:02:52,486 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 86 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-19 23:02:52,486 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27282663] [2019-11-19 23:02:52,487 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [691951087] [2019-11-19 23:02:52,487 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de13aa5-49f3-4b33-8521-0f8ad75e5ef6/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:02:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:02:52,675 INFO L255 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-19 23:02:52,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:02:52,760 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-19 23:02:52,760 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-19 23:02:52,761 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2019-11-19 23:02:52,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120226905] [2019-11-19 23:02:52,762 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 23:02:52,762 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:02:52,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 23:02:52,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-19 23:02:52,763 INFO L87 Difference]: Start difference. First operand 23029 states and 26631 transitions. Second operand 3 states. [2019-11-19 23:02:53,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:02:53,986 INFO L93 Difference]: Finished difference Result 46059 states and 53264 transitions. [2019-11-19 23:02:53,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:02:53,987 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 261 [2019-11-19 23:02:53,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:02:54,012 INFO L225 Difference]: With dead ends: 46059 [2019-11-19 23:02:54,013 INFO L226 Difference]: Without dead ends: 23032 [2019-11-19 23:02:54,037 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-19 23:02:54,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23032 states. [2019-11-19 23:02:54,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23032 to 20999. [2019-11-19 23:02:54,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20999 states. [2019-11-19 23:02:54,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20999 states to 20999 states and 23688 transitions. [2019-11-19 23:02:54,327 INFO L78 Accepts]: Start accepts. Automaton has 20999 states and 23688 transitions. Word has length 261 [2019-11-19 23:02:54,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:02:54,328 INFO L462 AbstractCegarLoop]: Abstraction has 20999 states and 23688 transitions. [2019-11-19 23:02:54,328 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 23:02:54,328 INFO L276 IsEmpty]: Start isEmpty. Operand 20999 states and 23688 transitions. [2019-11-19 23:02:54,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2019-11-19 23:02:54,346 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:02:54,346 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:02:54,550 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:02:54,550 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:02:54,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:02:54,551 INFO L82 PathProgramCache]: Analyzing trace with hash -2109683622, now seen corresponding path program 1 times [2019-11-19 23:02:54,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:02:54,552 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64054593] [2019-11-19 23:02:54,552 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:02:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:02:54,694 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-19 23:02:54,694 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64054593] [2019-11-19 23:02:54,695 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:02:54,695 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 23:02:54,695 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004285104] [2019-11-19 23:02:54,696 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 23:02:54,696 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:02:54,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 23:02:54,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:02:54,696 INFO L87 Difference]: Start difference. First operand 20999 states and 23688 transitions. Second operand 3 states. [2019-11-19 23:02:55,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:02:55,614 INFO L93 Difference]: Finished difference Result 38917 states and 43741 transitions. [2019-11-19 23:02:55,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:02:55,614 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 274 [2019-11-19 23:02:55,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:02:55,636 INFO L225 Difference]: With dead ends: 38917 [2019-11-19 23:02:55,636 INFO L226 Difference]: Without dead ends: 17920 [2019-11-19 23:02:55,648 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:02:55,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17920 states. [2019-11-19 23:02:55,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17920 to 16702. [2019-11-19 23:02:55,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16702 states. [2019-11-19 23:02:55,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16702 states to 16702 states and 18608 transitions. [2019-11-19 23:02:55,874 INFO L78 Accepts]: Start accepts. Automaton has 16702 states and 18608 transitions. Word has length 274 [2019-11-19 23:02:55,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:02:55,875 INFO L462 AbstractCegarLoop]: Abstraction has 16702 states and 18608 transitions. [2019-11-19 23:02:55,875 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 23:02:55,875 INFO L276 IsEmpty]: Start isEmpty. Operand 16702 states and 18608 transitions. [2019-11-19 23:02:55,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2019-11-19 23:02:55,897 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:02:55,899 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2019-11-19 23:02:55,899 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:02:55,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:02:55,899 INFO L82 PathProgramCache]: Analyzing trace with hash -5984517, now seen corresponding path program 1 times [2019-11-19 23:02:55,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:02:55,900 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686462223] [2019-11-19 23:02:55,900 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:02:55,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:02:56,208 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 141 proven. 3 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2019-11-19 23:02:56,208 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686462223] [2019-11-19 23:02:56,208 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [291422018] [2019-11-19 23:02:56,212 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3de13aa5-49f3-4b33-8521-0f8ad75e5ef6/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:02:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:02:56,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 23:02:56,447 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:02:56,613 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-11-19 23:02:56,614 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-19 23:02:56,614 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-11-19 23:02:56,615 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031609525] [2019-11-19 23:02:56,615 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 23:02:56,616 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:02:56,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 23:02:56,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-19 23:02:56,616 INFO L87 Difference]: Start difference. First operand 16702 states and 18608 transitions. Second operand 3 states. [2019-11-19 23:02:57,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:02:57,964 INFO L93 Difference]: Finished difference Result 34219 states and 38120 transitions. [2019-11-19 23:02:57,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:02:57,965 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 363 [2019-11-19 23:02:57,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:02:57,966 INFO L225 Difference]: With dead ends: 34219 [2019-11-19 23:02:57,966 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 23:02:57,980 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 362 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-19 23:02:57,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 23:02:57,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 23:02:57,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 23:02:57,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 23:02:57,981 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 363 [2019-11-19 23:02:57,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:02:57,982 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:02:57,982 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 23:02:57,982 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 23:02:57,982 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 23:02:58,186 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:02:58,191 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 23:02:58,483 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 127 [2019-11-19 23:02:58,744 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 127 [2019-11-19 23:02:59,962 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 119 DAG size of output: 41 [2019-11-19 23:03:00,785 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 41 [2019-11-19 23:03:00,794 INFO L444 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2019-11-19 23:03:00,794 INFO L444 ceAbstractionStarter]: For program point L498-2(lines 498 511) no Hoare annotation was computed. [2019-11-19 23:03:00,794 INFO L444 ceAbstractionStarter]: For program point L1423(lines 1423 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,794 INFO L444 ceAbstractionStarter]: For program point L366(lines 366 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,794 INFO L444 ceAbstractionStarter]: For program point L1622-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,794 INFO L444 ceAbstractionStarter]: For program point L1556-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,794 INFO L444 ceAbstractionStarter]: For program point L1490-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,794 INFO L444 ceAbstractionStarter]: For program point L301(lines 301 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,794 INFO L444 ceAbstractionStarter]: For program point L1226(lines 1226 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,795 INFO L444 ceAbstractionStarter]: For program point L1623(line 1623) no Hoare annotation was computed. [2019-11-19 23:03:00,795 INFO L444 ceAbstractionStarter]: For program point L566(lines 566 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,795 INFO L444 ceAbstractionStarter]: For program point L1557(line 1557) no Hoare annotation was computed. [2019-11-19 23:03:00,795 INFO L444 ceAbstractionStarter]: For program point L1491(line 1491) no Hoare annotation was computed. [2019-11-19 23:03:00,795 INFO L444 ceAbstractionStarter]: For program point L434(lines 434 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,795 INFO L444 ceAbstractionStarter]: For program point L1359(lines 1359 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,795 INFO L444 ceAbstractionStarter]: For program point L1095(lines 1095 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,795 INFO L444 ceAbstractionStarter]: For program point L633(lines 633 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,795 INFO L444 ceAbstractionStarter]: For program point L1360(lines 1360 1379) no Hoare annotation was computed. [2019-11-19 23:03:00,795 INFO L444 ceAbstractionStarter]: For program point L1360-2(lines 1360 1379) no Hoare annotation was computed. [2019-11-19 23:03:00,795 INFO L444 ceAbstractionStarter]: For program point L1162(lines 1162 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,795 INFO L444 ceAbstractionStarter]: For program point L105(lines 105 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,795 INFO L444 ceAbstractionStarter]: For program point L1625-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,796 INFO L444 ceAbstractionStarter]: For program point L1559-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,796 INFO L444 ceAbstractionStarter]: For program point L1493-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,796 INFO L444 ceAbstractionStarter]: For program point L238(lines 238 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,796 INFO L444 ceAbstractionStarter]: For program point L172(lines 172 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,796 INFO L444 ceAbstractionStarter]: For program point L1031(lines 1031 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,796 INFO L444 ceAbstractionStarter]: For program point L899(lines 899 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,796 INFO L444 ceAbstractionStarter]: For program point L701(lines 701 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,796 INFO L444 ceAbstractionStarter]: For program point L1626(line 1626) no Hoare annotation was computed. [2019-11-19 23:03:00,796 INFO L444 ceAbstractionStarter]: For program point L1560(line 1560) no Hoare annotation was computed. [2019-11-19 23:03:00,796 INFO L444 ceAbstractionStarter]: For program point L1494(line 1494) no Hoare annotation was computed. [2019-11-19 23:03:00,797 INFO L444 ceAbstractionStarter]: For program point L966(lines 966 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,797 INFO L444 ceAbstractionStarter]: For program point L769(lines 769 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,797 INFO L444 ceAbstractionStarter]: For program point L1628-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,797 INFO L444 ceAbstractionStarter]: For program point L1562-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,797 INFO L444 ceAbstractionStarter]: For program point L1496-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,797 INFO L444 ceAbstractionStarter]: For program point L836(lines 836 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,797 INFO L444 ceAbstractionStarter]: For program point L1629(line 1629) no Hoare annotation was computed. [2019-11-19 23:03:00,797 INFO L444 ceAbstractionStarter]: For program point L1563(line 1563) no Hoare annotation was computed. [2019-11-19 23:03:00,797 INFO L444 ceAbstractionStarter]: For program point L1497(line 1497) no Hoare annotation was computed. [2019-11-19 23:03:00,798 INFO L444 ceAbstractionStarter]: For program point L441(lines 441 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,798 INFO L444 ceAbstractionStarter]: For program point L1432(lines 1432 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,798 INFO L444 ceAbstractionStarter]: For program point L574(lines 574 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,798 INFO L444 ceAbstractionStarter]: For program point L1631-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,798 INFO L444 ceAbstractionStarter]: For program point L1565-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,798 INFO L444 ceAbstractionStarter]: For program point L1499-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,799 INFO L444 ceAbstractionStarter]: For program point L1632(line 1632) no Hoare annotation was computed. [2019-11-19 23:03:00,799 INFO L444 ceAbstractionStarter]: For program point L1566(line 1566) no Hoare annotation was computed. [2019-11-19 23:03:00,799 INFO L444 ceAbstractionStarter]: For program point L1500(line 1500) no Hoare annotation was computed. [2019-11-19 23:03:00,799 INFO L444 ceAbstractionStarter]: For program point L377(lines 377 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,799 INFO L444 ceAbstractionStarter]: For program point L1104(lines 1104 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,799 INFO L444 ceAbstractionStarter]: For program point L1038(lines 1038 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,800 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 395) no Hoare annotation was computed. [2019-11-19 23:03:00,800 INFO L444 ceAbstractionStarter]: For program point L312(lines 312 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,800 INFO L444 ceAbstractionStarter]: For program point L378-2(lines 378 395) no Hoare annotation was computed. [2019-11-19 23:03:00,800 INFO L444 ceAbstractionStarter]: For program point L1237(lines 1237 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,800 INFO L444 ceAbstractionStarter]: For program point L114(lines 114 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,801 INFO L444 ceAbstractionStarter]: For program point L1039(lines 1039 1059) no Hoare annotation was computed. [2019-11-19 23:03:00,801 INFO L444 ceAbstractionStarter]: For program point L1039-2(lines 1039 1059) no Hoare annotation was computed. [2019-11-19 23:03:00,801 INFO L444 ceAbstractionStarter]: For program point L907(lines 907 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,801 INFO L444 ceAbstractionStarter]: For program point L709(lines 709 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,801 INFO L444 ceAbstractionStarter]: For program point L643(lines 643 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,801 INFO L444 ceAbstractionStarter]: For program point L1634-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,801 INFO L444 ceAbstractionStarter]: For program point L1568-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,801 INFO L444 ceAbstractionStarter]: For program point L1502-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,801 INFO L444 ceAbstractionStarter]: For program point L181(lines 181 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,801 INFO L444 ceAbstractionStarter]: For program point L710(lines 710 731) no Hoare annotation was computed. [2019-11-19 23:03:00,801 INFO L444 ceAbstractionStarter]: For program point L710-2(lines 710 731) no Hoare annotation was computed. [2019-11-19 23:03:00,802 INFO L444 ceAbstractionStarter]: For program point L1635(line 1635) no Hoare annotation was computed. [2019-11-19 23:03:00,802 INFO L444 ceAbstractionStarter]: For program point L1569(line 1569) no Hoare annotation was computed. [2019-11-19 23:03:00,802 INFO L444 ceAbstractionStarter]: For program point L1503(line 1503) no Hoare annotation was computed. [2019-11-19 23:03:00,802 INFO L444 ceAbstractionStarter]: For program point L1305(lines 1305 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,802 INFO L444 ceAbstractionStarter]: For program point L248(lines 248 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,802 INFO L444 ceAbstractionStarter]: For program point L1173(lines 1173 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,802 INFO L444 ceAbstractionStarter]: For program point L975(lines 975 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,802 INFO L444 ceAbstractionStarter]: For program point L777(lines 777 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,802 INFO L444 ceAbstractionStarter]: For program point L513(lines 513 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,802 INFO L444 ceAbstractionStarter]: For program point L844(lines 844 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,802 INFO L444 ceAbstractionStarter]: For program point L1637-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,802 INFO L444 ceAbstractionStarter]: For program point L1571-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,802 INFO L444 ceAbstractionStarter]: For program point L1505-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,803 INFO L444 ceAbstractionStarter]: For program point L1638(line 1638) no Hoare annotation was computed. [2019-11-19 23:03:00,803 INFO L444 ceAbstractionStarter]: For program point L1572(line 1572) no Hoare annotation was computed. [2019-11-19 23:03:00,803 INFO L444 ceAbstractionStarter]: For program point L1506(line 1506) no Hoare annotation was computed. [2019-11-19 23:03:00,803 INFO L444 ceAbstractionStarter]: For program point L450(lines 450 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,803 INFO L444 ceAbstractionStarter]: For program point L583(lines 583 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,803 INFO L444 ceAbstractionStarter]: For program point L1640-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,803 INFO L444 ceAbstractionStarter]: For program point L1574-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,803 INFO L444 ceAbstractionStarter]: For program point L1508-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,803 INFO L444 ceAbstractionStarter]: For program point L1442(lines 1442 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,803 INFO L444 ceAbstractionStarter]: For program point L319(lines 319 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,803 INFO L444 ceAbstractionStarter]: For program point L1112(lines 1112 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,803 INFO L444 ceAbstractionStarter]: For program point L55(lines 55 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,803 INFO L444 ceAbstractionStarter]: For program point L1641(line 1641) no Hoare annotation was computed. [2019-11-19 23:03:00,804 INFO L444 ceAbstractionStarter]: For program point L1575(line 1575) no Hoare annotation was computed. [2019-11-19 23:03:00,804 INFO L444 ceAbstractionStarter]: For program point L1509(line 1509) no Hoare annotation was computed. [2019-11-19 23:03:00,804 INFO L444 ceAbstractionStarter]: For program point L56(lines 56 71) no Hoare annotation was computed. [2019-11-19 23:03:00,804 INFO L444 ceAbstractionStarter]: For program point L56-2(lines 56 71) no Hoare annotation was computed. [2019-11-19 23:03:00,804 INFO L444 ceAbstractionStarter]: For program point L784(lines 784 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,804 INFO L444 ceAbstractionStarter]: For program point L1643-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,804 INFO L444 ceAbstractionStarter]: For program point L1577-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,804 INFO L444 ceAbstractionStarter]: For program point L1511-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,804 INFO L444 ceAbstractionStarter]: For program point L1313(lines 1313 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,804 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 23:03:00,804 INFO L444 ceAbstractionStarter]: For program point L983(lines 983 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,804 INFO L444 ceAbstractionStarter]: For program point L917(lines 917 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,804 INFO L444 ceAbstractionStarter]: For program point L653(lines 653 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,805 INFO L444 ceAbstractionStarter]: For program point L1644(line 1644) no Hoare annotation was computed. [2019-11-19 23:03:00,805 INFO L444 ceAbstractionStarter]: For program point L1578(line 1578) no Hoare annotation was computed. [2019-11-19 23:03:00,805 INFO L444 ceAbstractionStarter]: For program point L1512(line 1512) no Hoare annotation was computed. [2019-11-19 23:03:00,805 INFO L444 ceAbstractionStarter]: For program point L257(lines 257 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,805 INFO L444 ceAbstractionStarter]: For program point L191(lines 191 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,805 INFO L444 ceAbstractionStarter]: For program point L1182(lines 1182 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,805 INFO L444 ceAbstractionStarter]: For program point L918(lines 918 935) no Hoare annotation was computed. [2019-11-19 23:03:00,805 INFO L444 ceAbstractionStarter]: For program point L918-2(lines 918 935) no Hoare annotation was computed. [2019-11-19 23:03:00,806 INFO L444 ceAbstractionStarter]: For program point L522(lines 522 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,806 INFO L444 ceAbstractionStarter]: For program point L1381(lines 1381 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,806 INFO L444 ceAbstractionStarter]: For program point L1249(lines 1249 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,806 INFO L444 ceAbstractionStarter]: For program point L192(lines 192 211) no Hoare annotation was computed. [2019-11-19 23:03:00,806 INFO L444 ceAbstractionStarter]: For program point L126(lines 126 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,806 INFO L444 ceAbstractionStarter]: For program point L192-2(lines 192 211) no Hoare annotation was computed. [2019-11-19 23:03:00,806 INFO L444 ceAbstractionStarter]: For program point L853(lines 853 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,806 INFO L444 ceAbstractionStarter]: For program point L1646-1(lines 1646 1648) no Hoare annotation was computed. [2019-11-19 23:03:00,807 INFO L444 ceAbstractionStarter]: For program point L1580-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,807 INFO L444 ceAbstractionStarter]: For program point L1514-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,807 INFO L444 ceAbstractionStarter]: For program point L1382(lines 1382 1400) no Hoare annotation was computed. [2019-11-19 23:03:00,807 INFO L444 ceAbstractionStarter]: For program point L1382-2(lines 1382 1400) no Hoare annotation was computed. [2019-11-19 23:03:00,807 INFO L444 ceAbstractionStarter]: For program point L1250(lines 1250 1272) no Hoare annotation was computed. [2019-11-19 23:03:00,807 INFO L444 ceAbstractionStarter]: For program point L1250-2(lines 1250 1272) no Hoare annotation was computed. [2019-11-19 23:03:00,807 INFO L444 ceAbstractionStarter]: For program point L1647(line 1647) no Hoare annotation was computed. [2019-11-19 23:03:00,807 INFO L444 ceAbstractionStarter]: For program point L1581(line 1581) no Hoare annotation was computed. [2019-11-19 23:03:00,807 INFO L444 ceAbstractionStarter]: For program point L1515(line 1515) no Hoare annotation was computed. [2019-11-19 23:03:00,807 INFO L444 ceAbstractionStarter]: For program point L458(lines 458 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,807 INFO L444 ceAbstractionStarter]: For program point L1120(lines 1120 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,807 INFO L444 ceAbstractionStarter]: For program point L658(lines 658 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,808 INFO L440 ceAbstractionStarter]: At program point L1649(lines 54 1650) the Hoare annotation is: (let ((.cse11 (not (= ~a12~0 1))) (.cse1 (= 1 ~a6~0))) (let ((.cse2 (= ~a5~0 1)) (.cse7 (and .cse11 (not .cse1))) (.cse0 (= ~a27~0 1)) (.cse4 (<= ~a11~0 0)) (.cse9 (not (= 1 ~a3~0))) (.cse10 (= 0 ~a3~0)) (.cse5 (= ~a26~0 1)) (.cse6 (= 1 ~a5~0)) (.cse3 (= ~a11~0 1)) (.cse8 (<= ~a27~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse5) (and .cse6 .cse3 .cse7 .cse8 .cse9) (and .cse0 .cse2 .cse3 .cse5) (and .cse6 .cse4 .cse10 .cse8) (and .cse6 .cse4 .cse5 .cse8 .cse9) (and .cse6 (and .cse11 .cse0) .cse3) (and .cse0 .cse4 .cse2 .cse9) (and .cse6 .cse4 .cse7 .cse8) (and .cse6 .cse3 .cse5 .cse8) (and .cse6 .cse1 .cse4 .cse8) (and .cse6 .cse0 .cse4 .cse11) (and .cse11 .cse6 .cse1 .cse4 .cse9) (and .cse11 .cse6 .cse1 .cse10 .cse3 .cse5) (and .cse6 .cse1 .cse3 .cse8)))) [2019-11-19 23:03:00,808 INFO L444 ceAbstractionStarter]: For program point L592(lines 592 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,808 INFO L444 ceAbstractionStarter]: For program point L1583-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,809 INFO L444 ceAbstractionStarter]: For program point L1517-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,809 INFO L444 ceAbstractionStarter]: For program point L1584(line 1584) no Hoare annotation was computed. [2019-11-19 23:03:00,809 INFO L444 ceAbstractionStarter]: For program point L1518(line 1518) no Hoare annotation was computed. [2019-11-19 23:03:00,809 INFO L444 ceAbstractionStarter]: For program point L1452(lines 1452 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,809 INFO L444 ceAbstractionStarter]: For program point L329(lines 329 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,809 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 23:03:00,809 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1584) no Hoare annotation was computed. [2019-11-19 23:03:00,809 INFO L444 ceAbstractionStarter]: For program point L1321(lines 1321 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,810 INFO L447 ceAbstractionStarter]: At program point L1652(lines 1652 1669) the Hoare annotation is: true [2019-11-19 23:03:00,810 INFO L444 ceAbstractionStarter]: For program point L529(lines 529 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,810 INFO L444 ceAbstractionStarter]: For program point L1586-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,810 INFO L444 ceAbstractionStarter]: For program point L1520-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,810 INFO L444 ceAbstractionStarter]: For program point L397(lines 397 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,810 INFO L444 ceAbstractionStarter]: For program point L265(lines 265 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,810 INFO L444 ceAbstractionStarter]: For program point L1190(lines 1190 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,810 INFO L444 ceAbstractionStarter]: For program point L1587(line 1587) no Hoare annotation was computed. [2019-11-19 23:03:00,810 INFO L444 ceAbstractionStarter]: For program point L1521(line 1521) no Hoare annotation was computed. [2019-11-19 23:03:00,810 INFO L444 ceAbstractionStarter]: For program point L795(lines 795 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,810 INFO L444 ceAbstractionStarter]: For program point L135(lines 135 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,810 INFO L444 ceAbstractionStarter]: For program point L994(lines 994 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,811 INFO L444 ceAbstractionStarter]: For program point L1589-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,811 INFO L444 ceAbstractionStarter]: For program point L1523-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,811 INFO L444 ceAbstractionStarter]: For program point L1127(lines 1127 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,811 INFO L444 ceAbstractionStarter]: For program point L1061(lines 1061 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,811 INFO L444 ceAbstractionStarter]: For program point L863(lines 863 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,811 INFO L444 ceAbstractionStarter]: For program point L665(lines 665 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,811 INFO L444 ceAbstractionStarter]: For program point L1590(line 1590) no Hoare annotation was computed. [2019-11-19 23:03:00,812 INFO L444 ceAbstractionStarter]: For program point L1524(line 1524) no Hoare annotation was computed. [2019-11-19 23:03:00,812 INFO L444 ceAbstractionStarter]: For program point L467(lines 467 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,812 INFO L444 ceAbstractionStarter]: For program point L1326(lines 1326 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,812 INFO L444 ceAbstractionStarter]: For program point L468(lines 468 478) no Hoare annotation was computed. [2019-11-19 23:03:00,812 INFO L444 ceAbstractionStarter]: For program point L468-2(lines 468 478) no Hoare annotation was computed. [2019-11-19 23:03:00,812 INFO L444 ceAbstractionStarter]: For program point L733(lines 733 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,812 INFO L440 ceAbstractionStarter]: At program point L1658-2(lines 1658 1668) the Hoare annotation is: (let ((.cse11 (not (= ~a12~0 1))) (.cse1 (= 1 ~a6~0))) (let ((.cse2 (= ~a5~0 1)) (.cse7 (and .cse11 (not .cse1))) (.cse0 (= ~a27~0 1)) (.cse4 (<= ~a11~0 0)) (.cse9 (not (= 1 ~a3~0))) (.cse10 (= 0 ~a3~0)) (.cse5 (= ~a26~0 1)) (.cse6 (= 1 ~a5~0)) (.cse3 (= ~a11~0 1)) (.cse8 (<= ~a27~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse5) (and .cse6 .cse3 .cse7 .cse8 .cse9) (and .cse0 .cse2 .cse3 .cse5) (and .cse6 .cse4 .cse10 .cse8) (and .cse6 .cse4 .cse5 .cse8 .cse9) (and .cse6 (and .cse11 .cse0) .cse3) (and .cse0 .cse4 .cse2 .cse9) (and .cse6 .cse4 .cse7 .cse8) (and .cse6 .cse3 .cse5 .cse8) (and .cse6 .cse1 .cse4 .cse8) (and .cse6 .cse0 .cse4 .cse11) (and .cse11 .cse6 .cse1 .cse4 .cse9) (and .cse11 .cse6 .cse1 .cse10 .cse3 .cse5) (and .cse6 .cse1 .cse3 .cse8)))) [2019-11-19 23:03:00,812 INFO L444 ceAbstractionStarter]: For program point L1592-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,812 INFO L444 ceAbstractionStarter]: For program point L1526-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,813 INFO L444 ceAbstractionStarter]: For program point L1460(lines 1460 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,813 INFO L444 ceAbstractionStarter]: For program point L73(lines 73 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,813 INFO L444 ceAbstractionStarter]: For program point L1593(line 1593) no Hoare annotation was computed. [2019-11-19 23:03:00,813 INFO L444 ceAbstractionStarter]: For program point L1527(line 1527) no Hoare annotation was computed. [2019-11-19 23:03:00,813 INFO L444 ceAbstractionStarter]: For program point L603(lines 603 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,813 INFO L444 ceAbstractionStarter]: For program point L405(lines 405 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,813 INFO L444 ceAbstractionStarter]: For program point L339(lines 339 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,813 INFO L444 ceAbstractionStarter]: For program point L1132(lines 1132 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,813 INFO L444 ceAbstractionStarter]: For program point L1066(lines 1066 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,813 INFO L444 ceAbstractionStarter]: For program point L868(lines 868 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,813 INFO L444 ceAbstractionStarter]: For program point L1595-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,813 INFO L444 ceAbstractionStarter]: For program point L1529-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,813 INFO L444 ceAbstractionStarter]: For program point L869(lines 869 887) no Hoare annotation was computed. [2019-11-19 23:03:00,814 INFO L444 ceAbstractionStarter]: For program point L869-2(lines 869 887) no Hoare annotation was computed. [2019-11-19 23:03:00,814 INFO L444 ceAbstractionStarter]: For program point L1596(line 1596) no Hoare annotation was computed. [2019-11-19 23:03:00,814 INFO L444 ceAbstractionStarter]: For program point L539(lines 539 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,814 INFO L444 ceAbstractionStarter]: For program point L1530(line 1530) no Hoare annotation was computed. [2019-11-19 23:03:00,814 INFO L444 ceAbstractionStarter]: For program point L1200(lines 1200 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,814 INFO L444 ceAbstractionStarter]: For program point L804(lines 804 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,814 INFO L444 ceAbstractionStarter]: For program point L1663(line 1663) no Hoare annotation was computed. [2019-11-19 23:03:00,814 INFO L444 ceAbstractionStarter]: For program point L276(lines 276 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,815 INFO L444 ceAbstractionStarter]: For program point L1003(lines 1003 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,815 INFO L444 ceAbstractionStarter]: For program point L937(lines 937 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,815 INFO L444 ceAbstractionStarter]: For program point L1598-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,815 INFO L444 ceAbstractionStarter]: For program point L1532-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,815 INFO L444 ceAbstractionStarter]: For program point L1466(lines 1466 1468) no Hoare annotation was computed. [2019-11-19 23:03:00,815 INFO L444 ceAbstractionStarter]: For program point L1466-2(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,815 INFO L444 ceAbstractionStarter]: For program point L1599(line 1599) no Hoare annotation was computed. [2019-11-19 23:03:00,815 INFO L444 ceAbstractionStarter]: For program point L1533(line 1533) no Hoare annotation was computed. [2019-11-19 23:03:00,815 INFO L444 ceAbstractionStarter]: For program point L1467(line 1467) no Hoare annotation was computed. [2019-11-19 23:03:00,816 INFO L444 ceAbstractionStarter]: For program point L146(lines 146 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,816 INFO L444 ceAbstractionStarter]: For program point L675(lines 675 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,816 INFO L444 ceAbstractionStarter]: For program point L1402(lines 1402 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,816 INFO L444 ceAbstractionStarter]: For program point L1336(lines 1336 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,816 INFO L444 ceAbstractionStarter]: For program point L213(lines 213 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,816 INFO L444 ceAbstractionStarter]: For program point L1601-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,816 INFO L444 ceAbstractionStarter]: For program point L1535-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,816 INFO L444 ceAbstractionStarter]: For program point L1469-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,816 INFO L444 ceAbstractionStarter]: For program point L1403(lines 1403 1421) no Hoare annotation was computed. [2019-11-19 23:03:00,816 INFO L444 ceAbstractionStarter]: For program point L1403-2(lines 1403 1421) no Hoare annotation was computed. [2019-11-19 23:03:00,816 INFO L444 ceAbstractionStarter]: For program point L82(lines 82 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,816 INFO L444 ceAbstractionStarter]: For program point L743(lines 743 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,816 INFO L444 ceAbstractionStarter]: For program point L1602(line 1602) no Hoare annotation was computed. [2019-11-19 23:03:00,817 INFO L444 ceAbstractionStarter]: For program point L1536(line 1536) no Hoare annotation was computed. [2019-11-19 23:03:00,817 INFO L444 ceAbstractionStarter]: For program point L1470(line 1470) no Hoare annotation was computed. [2019-11-19 23:03:00,817 INFO L444 ceAbstractionStarter]: For program point L1074(lines 1074 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,817 INFO L444 ceAbstractionStarter]: For program point L546(lines 546 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,817 INFO L444 ceAbstractionStarter]: For program point L480(lines 480 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,817 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,817 INFO L444 ceAbstractionStarter]: For program point L348(lines 348 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,817 INFO L444 ceAbstractionStarter]: For program point L1604-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,817 INFO L444 ceAbstractionStarter]: For program point L1538-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,817 INFO L444 ceAbstractionStarter]: For program point L1472-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,817 INFO L444 ceAbstractionStarter]: For program point L1274(lines 1274 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,817 INFO L444 ceAbstractionStarter]: For program point L1142(lines 1142 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,818 INFO L444 ceAbstractionStarter]: For program point L614(lines 614 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,818 INFO L444 ceAbstractionStarter]: For program point L1605(line 1605) no Hoare annotation was computed. [2019-11-19 23:03:00,818 INFO L444 ceAbstractionStarter]: For program point L1539(line 1539) no Hoare annotation was computed. [2019-11-19 23:03:00,818 INFO L444 ceAbstractionStarter]: For program point L1473(line 1473) no Hoare annotation was computed. [2019-11-19 23:03:00,818 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 23:03:00,818 INFO L444 ceAbstractionStarter]: For program point L284(lines 284 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,818 INFO L444 ceAbstractionStarter]: For program point L1011(lines 1011 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,818 INFO L444 ceAbstractionStarter]: For program point L813(lines 813 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,819 INFO L444 ceAbstractionStarter]: For program point L1210(lines 1210 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,819 INFO L444 ceAbstractionStarter]: For program point L1607-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,819 INFO L444 ceAbstractionStarter]: For program point L1541-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,819 INFO L444 ceAbstractionStarter]: For program point L1475-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,819 INFO L444 ceAbstractionStarter]: For program point L1211(lines 1211 1224) no Hoare annotation was computed. [2019-11-19 23:03:00,819 INFO L444 ceAbstractionStarter]: For program point L1211-2(lines 1211 1224) no Hoare annotation was computed. [2019-11-19 23:03:00,820 INFO L444 ceAbstractionStarter]: For program point L947(lines 947 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,820 INFO L444 ceAbstractionStarter]: For program point L1608(line 1608) no Hoare annotation was computed. [2019-11-19 23:03:00,820 INFO L444 ceAbstractionStarter]: For program point L1542(line 1542) no Hoare annotation was computed. [2019-11-19 23:03:00,820 INFO L444 ceAbstractionStarter]: For program point L1476(line 1476) no Hoare annotation was computed. [2019-11-19 23:03:00,820 INFO L444 ceAbstractionStarter]: For program point L1344(lines 1344 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,820 INFO L444 ceAbstractionStarter]: For program point L155(lines 155 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,821 INFO L444 ceAbstractionStarter]: For program point L89(lines 89 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,821 INFO L444 ceAbstractionStarter]: For program point L684(lines 684 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,821 INFO L444 ceAbstractionStarter]: For program point L222(lines 222 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,821 INFO L444 ceAbstractionStarter]: For program point L685(lines 685 699) no Hoare annotation was computed. [2019-11-19 23:03:00,821 INFO L444 ceAbstractionStarter]: For program point L685-2(lines 685 699) no Hoare annotation was computed. [2019-11-19 23:03:00,821 INFO L444 ceAbstractionStarter]: For program point L1610-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,822 INFO L444 ceAbstractionStarter]: For program point L1544-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,822 INFO L444 ceAbstractionStarter]: For program point L1478-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,822 INFO L444 ceAbstractionStarter]: For program point L1611(line 1611) no Hoare annotation was computed. [2019-11-19 23:03:00,822 INFO L444 ceAbstractionStarter]: For program point L1545(line 1545) no Hoare annotation was computed. [2019-11-19 23:03:00,822 INFO L444 ceAbstractionStarter]: For program point L488(lines 488 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,822 INFO L444 ceAbstractionStarter]: For program point L1479(line 1479) no Hoare annotation was computed. [2019-11-19 23:03:00,823 INFO L444 ceAbstractionStarter]: For program point L422(lines 422 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,823 INFO L444 ceAbstractionStarter]: For program point L356(lines 356 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,823 INFO L444 ceAbstractionStarter]: For program point L753(lines 753 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,823 INFO L444 ceAbstractionStarter]: For program point L622(lines 622 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,823 INFO L444 ceAbstractionStarter]: For program point L556(lines 556 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,823 INFO L444 ceAbstractionStarter]: For program point L1613-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,824 INFO L444 ceAbstractionStarter]: For program point L1547-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,824 INFO L444 ceAbstractionStarter]: For program point L1481-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,824 INFO L444 ceAbstractionStarter]: For program point L292(lines 292 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,824 INFO L444 ceAbstractionStarter]: For program point L1283(lines 1283 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,824 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 23:03:00,824 INFO L444 ceAbstractionStarter]: For program point L1614(line 1614) no Hoare annotation was computed. [2019-11-19 23:03:00,825 INFO L444 ceAbstractionStarter]: For program point L1548(line 1548) no Hoare annotation was computed. [2019-11-19 23:03:00,825 INFO L444 ceAbstractionStarter]: For program point L1482(line 1482) no Hoare annotation was computed. [2019-11-19 23:03:00,825 INFO L444 ceAbstractionStarter]: For program point L1350(lines 1350 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,825 INFO L444 ceAbstractionStarter]: For program point L1284(lines 1284 1303) no Hoare annotation was computed. [2019-11-19 23:03:00,825 INFO L444 ceAbstractionStarter]: For program point L1284-2(lines 1284 1303) no Hoare annotation was computed. [2019-11-19 23:03:00,825 INFO L444 ceAbstractionStarter]: For program point L1152(lines 1152 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,825 INFO L444 ceAbstractionStarter]: For program point L95(lines 95 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,826 INFO L444 ceAbstractionStarter]: For program point L1086(lines 1086 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,826 INFO L444 ceAbstractionStarter]: For program point L1021(lines 1021 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,826 INFO L444 ceAbstractionStarter]: For program point L955(lines 955 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,826 INFO L444 ceAbstractionStarter]: For program point L889(lines 889 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,826 INFO L444 ceAbstractionStarter]: For program point L1616-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,826 INFO L444 ceAbstractionStarter]: For program point L1550-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,826 INFO L444 ceAbstractionStarter]: For program point L1484-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,826 INFO L444 ceAbstractionStarter]: For program point L1617(line 1617) no Hoare annotation was computed. [2019-11-19 23:03:00,826 INFO L444 ceAbstractionStarter]: For program point L1551(line 1551) no Hoare annotation was computed. [2019-11-19 23:03:00,826 INFO L444 ceAbstractionStarter]: For program point L1485(line 1485) no Hoare annotation was computed. [2019-11-19 23:03:00,826 INFO L444 ceAbstractionStarter]: For program point L164(lines 164 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,826 INFO L444 ceAbstractionStarter]: For program point L825(lines 825 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,827 INFO L444 ceAbstractionStarter]: For program point L1619-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,827 INFO L444 ceAbstractionStarter]: For program point L1553-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,827 INFO L444 ceAbstractionStarter]: For program point L1487-1(lines 54 1650) no Hoare annotation was computed. [2019-11-19 23:03:00,827 INFO L444 ceAbstractionStarter]: For program point L761(lines 761 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,827 INFO L444 ceAbstractionStarter]: For program point L1620(line 1620) no Hoare annotation was computed. [2019-11-19 23:03:00,827 INFO L444 ceAbstractionStarter]: For program point L1554(line 1554) no Hoare annotation was computed. [2019-11-19 23:03:00,827 INFO L444 ceAbstractionStarter]: For program point L497(lines 497 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,827 INFO L444 ceAbstractionStarter]: For program point L1488(line 1488) no Hoare annotation was computed. [2019-11-19 23:03:00,827 INFO L444 ceAbstractionStarter]: For program point L233(lines 233 1465) no Hoare annotation was computed. [2019-11-19 23:03:00,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 11:03:00 BoogieIcfgContainer [2019-11-19 23:03:00,865 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 23:03:00,867 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:03:00,867 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:03:00,868 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:03:00,868 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:02:31" (3/4) ... [2019-11-19 23:03:00,874 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 23:03:00,934 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 23:03:00,938 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 23:03:01,202 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3de13aa5-49f3-4b33-8521-0f8ad75e5ef6/bin/uautomizer/witness.graphml [2019-11-19 23:03:01,202 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:03:01,204 INFO L168 Benchmark]: Toolchain (without parser) took 33918.39 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 1.0 GB). Free memory was 944.7 MB in the beginning and 1.6 GB in the end (delta: -699.2 MB). Peak memory consumption was 302.7 MB. Max. memory is 11.5 GB. [2019-11-19 23:03:01,204 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:03:01,205 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1263.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -129.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. [2019-11-19 23:03:01,205 INFO L168 Benchmark]: Boogie Procedure Inliner took 164.88 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-11-19 23:03:01,206 INFO L168 Benchmark]: Boogie Preprocessor took 124.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-19 23:03:01,206 INFO L168 Benchmark]: RCFGBuilder took 2588.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 18.2 MB). Peak memory consumption was 189.8 MB. Max. memory is 11.5 GB. [2019-11-19 23:03:01,207 INFO L168 Benchmark]: TraceAbstraction took 29436.32 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 855.6 MB). Free memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: -663.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2019-11-19 23:03:01,207 INFO L168 Benchmark]: Witness Printer took 335.39 ms. Allocated memory is still 2.0 GB. Free memory was 1.7 GB in the beginning and 1.6 GB in the end (delta: 48.5 MB). Peak memory consumption was 48.5 MB. Max. memory is 11.5 GB. [2019-11-19 23:03:01,209 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1263.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -129.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 164.88 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 124.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2588.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 18.2 MB). Peak memory consumption was 189.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 29436.32 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 855.6 MB). Free memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: -663.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 335.39 ms. Allocated memory is still 2.0 GB. Free memory was 1.7 GB in the beginning and 1.6 GB in the end (delta: 48.5 MB). Peak memory consumption was 48.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1584]: 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: 1652]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1658]: Loop Invariant Derived loop invariant: ((((((((((((((((a27 == 1 && 1 == a6) && a5 == 1) && a11 == 1) || (((a27 == 1 && a11 <= 0) && a5 == 1) && a26 == 1)) || ((((1 == a5 && a11 == 1) && !(a12 == 1) && !(1 == a6)) && a27 <= 0) && !(1 == a3))) || (((a27 == 1 && a5 == 1) && a11 == 1) && a26 == 1)) || (((1 == a5 && a11 <= 0) && 0 == a3) && a27 <= 0)) || ((((1 == a5 && a11 <= 0) && a26 == 1) && a27 <= 0) && !(1 == a3))) || ((1 == a5 && !(a12 == 1) && a27 == 1) && a11 == 1)) || (((a27 == 1 && a11 <= 0) && a5 == 1) && !(1 == a3))) || (((1 == a5 && a11 <= 0) && !(a12 == 1) && !(1 == a6)) && a27 <= 0)) || (((1 == a5 && a11 == 1) && a26 == 1) && a27 <= 0)) || (((1 == a5 && 1 == a6) && a11 <= 0) && a27 <= 0)) || (((1 == a5 && a27 == 1) && a11 <= 0) && !(a12 == 1))) || ((((!(a12 == 1) && 1 == a5) && 1 == a6) && a11 <= 0) && !(1 == a3))) || (((((!(a12 == 1) && 1 == a5) && 1 == a6) && 0 == a3) && a11 == 1) && a26 == 1)) || (((1 == a5 && 1 == a6) && a11 == 1) && a27 <= 0) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: ((((((((((((((((a27 == 1 && 1 == a6) && a5 == 1) && a11 == 1) || (((a27 == 1 && a11 <= 0) && a5 == 1) && a26 == 1)) || ((((1 == a5 && a11 == 1) && !(a12 == 1) && !(1 == a6)) && a27 <= 0) && !(1 == a3))) || (((a27 == 1 && a5 == 1) && a11 == 1) && a26 == 1)) || (((1 == a5 && a11 <= 0) && 0 == a3) && a27 <= 0)) || ((((1 == a5 && a11 <= 0) && a26 == 1) && a27 <= 0) && !(1 == a3))) || ((1 == a5 && !(a12 == 1) && a27 == 1) && a11 == 1)) || (((a27 == 1 && a11 <= 0) && a5 == 1) && !(1 == a3))) || (((1 == a5 && a11 <= 0) && !(a12 == 1) && !(1 == a6)) && a27 <= 0)) || (((1 == a5 && a11 == 1) && a26 == 1) && a27 <= 0)) || (((1 == a5 && 1 == a6) && a11 <= 0) && a27 <= 0)) || (((1 == a5 && a27 == 1) && a11 <= 0) && !(a12 == 1))) || ((((!(a12 == 1) && 1 == a5) && 1 == a6) && a11 <= 0) && !(1 == a3))) || (((((!(a12 == 1) && 1 == a5) && 1 == a6) && 0 == a3) && a11 == 1) && a26 == 1)) || (((1 == a5 && 1 == a6) && a11 == 1) && a27 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 302 locations, 1 error locations. Result: SAFE, OverallTime: 29.3s, OverallIterations: 12, TraceHistogramMax: 5, AutomataDifference: 18.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.6s, HoareTripleCheckerStatistics: 2551 SDtfs, 3417 SDslu, 376 SDs, 0 SdLazy, 8804 SolverSat, 1783 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1148 GetRequests, 1114 SyntacticMatches, 3 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23029occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 8036 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 178 NumberOfFragments, 465 HoareAnnotationTreeSize, 3 FomulaSimplifications, 4450 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 3 FomulaSimplificationsInter, 3878 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 3972 NumberOfCodeBlocks, 3972 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3956 ConstructedInterpolants, 0 QuantifiedInterpolants, 2241517 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1906 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 1400/1412 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...