./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label04.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_836821d0-1952-49e7-820e-9db24f786438/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_836821d0-1952-49e7-820e-9db24f786438/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_836821d0-1952-49e7-820e-9db24f786438/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_836821d0-1952-49e7-820e-9db24f786438/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label04.c -s /tmp/vcloud-vcloud-master/worker/run_dir_836821d0-1952-49e7-820e-9db24f786438/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_836821d0-1952-49e7-820e-9db24f786438/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 fbfe8dec550fadf4da01fadd46005a09263b3b04 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:05:38,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:05:38,765 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:05:38,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:05:38,776 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:05:38,777 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:05:38,778 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:05:38,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:05:38,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:05:38,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:05:38,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:05:38,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:05:38,785 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:05:38,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:05:38,794 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:05:38,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:05:38,796 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:05:38,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:05:38,804 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:05:38,810 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:05:38,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:05:38,817 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:05:38,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:05:38,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:05:38,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:05:38,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:05:38,824 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:05:38,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:05:38,826 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:05:38,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:05:38,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:05:38,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:05:38,828 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:05:38,829 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:05:38,830 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:05:38,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:05:38,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:05:38,831 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:05:38,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:05:38,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:05:38,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:05:38,835 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_836821d0-1952-49e7-820e-9db24f786438/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 23:05:38,852 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:05:38,852 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:05:38,854 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:05:38,854 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:05:38,855 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 23:05:38,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:05:38,855 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 23:05:38,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:05:38,856 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 23:05:38,856 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:05:38,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 23:05:38,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 23:05:38,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 23:05:38,858 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 23:05:38,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:05:38,858 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:05:38,859 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 23:05:38,859 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:05:38,859 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 23:05:38,859 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 23:05:38,860 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 23:05:38,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 23:05:38,860 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:05:38,860 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 23:05:38,861 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 23:05:38,861 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 23:05:38,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 23:05:38,861 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 23:05:38,862 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_836821d0-1952-49e7-820e-9db24f786438/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 -> fbfe8dec550fadf4da01fadd46005a09263b3b04 [2019-11-19 23:05:39,061 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:05:39,073 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:05:39,076 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:05:39,078 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:05:39,078 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:05:39,079 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_836821d0-1952-49e7-820e-9db24f786438/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label04.c [2019-11-19 23:05:39,146 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_836821d0-1952-49e7-820e-9db24f786438/bin/uautomizer/data/4d7a36325/f40b3ea08e814d87a99af3bf19e0cc25/FLAG69205be77 [2019-11-19 23:05:39,629 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:05:39,629 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_836821d0-1952-49e7-820e-9db24f786438/sv-benchmarks/c/eca-rers2012/Problem02_label04.c [2019-11-19 23:05:39,655 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_836821d0-1952-49e7-820e-9db24f786438/bin/uautomizer/data/4d7a36325/f40b3ea08e814d87a99af3bf19e0cc25/FLAG69205be77 [2019-11-19 23:05:39,966 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_836821d0-1952-49e7-820e-9db24f786438/bin/uautomizer/data/4d7a36325/f40b3ea08e814d87a99af3bf19e0cc25 [2019-11-19 23:05:39,969 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:05:39,970 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:05:39,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:05:39,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:05:39,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:05:39,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:05:39" (1/1) ... [2019-11-19 23:05:39,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21f2b762 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:05:39, skipping insertion in model container [2019-11-19 23:05:39,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:05:39" (1/1) ... [2019-11-19 23:05:39,988 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:05:40,036 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:05:40,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:05:40,550 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:05:40,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:05:40,668 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:05:40,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:05:40 WrapperNode [2019-11-19 23:05:40,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:05:40,670 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:05:40,670 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:05:40,670 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:05:40,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:05:40" (1/1) ... [2019-11-19 23:05:40,696 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:05:40" (1/1) ... [2019-11-19 23:05:40,749 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:05:40,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:05:40,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:05:40,750 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:05:40,762 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:05:40" (1/1) ... [2019-11-19 23:05:40,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:05:40" (1/1) ... [2019-11-19 23:05:40,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:05:40" (1/1) ... [2019-11-19 23:05:40,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:05:40" (1/1) ... [2019-11-19 23:05:40,786 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:05:40" (1/1) ... [2019-11-19 23:05:40,807 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:05:40" (1/1) ... [2019-11-19 23:05:40,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:05:40" (1/1) ... [2019-11-19 23:05:40,819 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:05:40,834 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:05:40,834 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:05:40,834 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:05:40,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:05:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_836821d0-1952-49e7-820e-9db24f786438/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 23:05:40,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:05:40,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:05:42,120 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:05:42,121 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-19 23:05:42,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:05:42 BoogieIcfgContainer [2019-11-19 23:05:42,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:05:42,123 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 23:05:42,123 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 23:05:42,126 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 23:05:42,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 11:05:39" (1/3) ... [2019-11-19 23:05:42,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56d49fc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:05:42, skipping insertion in model container [2019-11-19 23:05:42,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:05:40" (2/3) ... [2019-11-19 23:05:42,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56d49fc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 11:05:42, skipping insertion in model container [2019-11-19 23:05:42,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:05:42" (3/3) ... [2019-11-19 23:05:42,131 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label04.c [2019-11-19 23:05:42,142 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 23:05:42,151 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 23:05:42,162 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 23:05:42,206 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 23:05:42,207 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 23:05:42,207 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 23:05:42,208 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 23:05:42,208 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 23:05:42,208 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 23:05:42,208 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 23:05:42,208 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 23:05:42,230 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-11-19 23:05:42,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-11-19 23:05:42,242 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:05:42,242 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] [2019-11-19 23:05:42,243 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:05:42,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:05:42,247 INFO L82 PathProgramCache]: Analyzing trace with hash 585738029, now seen corresponding path program 1 times [2019-11-19 23:05:42,254 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:05:42,254 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018826775] [2019-11-19 23:05:42,254 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:05:42,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:05:42,599 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 23:05:42,600 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018826775] [2019-11-19 23:05:42,601 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:05:42,601 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 23:05:42,603 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64432321] [2019-11-19 23:05:42,611 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 23:05:42,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:05:42,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 23:05:42,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:05:42,627 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-11-19 23:05:44,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:05:44,017 INFO L93 Difference]: Finished difference Result 739 states and 1311 transitions. [2019-11-19 23:05:44,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 23:05:44,019 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 106 [2019-11-19 23:05:44,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:05:44,048 INFO L225 Difference]: With dead ends: 739 [2019-11-19 23:05:44,048 INFO L226 Difference]: Without dead ends: 445 [2019-11-19 23:05:44,057 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 23:05:44,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2019-11-19 23:05:44,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2019-11-19 23:05:44,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2019-11-19 23:05:44,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 664 transitions. [2019-11-19 23:05:44,120 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 664 transitions. Word has length 106 [2019-11-19 23:05:44,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:05:44,121 INFO L462 AbstractCegarLoop]: Abstraction has 445 states and 664 transitions. [2019-11-19 23:05:44,121 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 23:05:44,121 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 664 transitions. [2019-11-19 23:05:44,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-11-19 23:05:44,127 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:05:44,127 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:05:44,127 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:05:44,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:05:44,128 INFO L82 PathProgramCache]: Analyzing trace with hash -1744926738, now seen corresponding path program 1 times [2019-11-19 23:05:44,128 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:05:44,128 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630829354] [2019-11-19 23:05:44,129 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:05:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:05:44,209 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:05:44,209 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630829354] [2019-11-19 23:05:44,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:05:44,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 23:05:44,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046480178] [2019-11-19 23:05:44,211 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 23:05:44,211 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:05:44,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 23:05:44,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:05:44,212 INFO L87 Difference]: Start difference. First operand 445 states and 664 transitions. Second operand 4 states. [2019-11-19 23:05:45,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:05:45,075 INFO L93 Difference]: Finished difference Result 1470 states and 2193 transitions. [2019-11-19 23:05:45,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 23:05:45,077 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 124 [2019-11-19 23:05:45,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:05:45,083 INFO L225 Difference]: With dead ends: 1470 [2019-11-19 23:05:45,083 INFO L226 Difference]: Without dead ends: 1027 [2019-11-19 23:05:45,085 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 23:05:45,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2019-11-19 23:05:45,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 729. [2019-11-19 23:05:45,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2019-11-19 23:05:45,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 1053 transitions. [2019-11-19 23:05:45,131 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 1053 transitions. Word has length 124 [2019-11-19 23:05:45,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:05:45,132 INFO L462 AbstractCegarLoop]: Abstraction has 729 states and 1053 transitions. [2019-11-19 23:05:45,132 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 23:05:45,132 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 1053 transitions. [2019-11-19 23:05:45,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-11-19 23:05:45,138 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:05:45,138 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:05:45,139 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:05:45,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:05:45,139 INFO L82 PathProgramCache]: Analyzing trace with hash -1686692647, now seen corresponding path program 1 times [2019-11-19 23:05:45,139 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:05:45,140 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190340249] [2019-11-19 23:05:45,140 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:05:45,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:05:45,296 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:05:45,297 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190340249] [2019-11-19 23:05:45,297 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:05:45,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 23:05:45,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171667052] [2019-11-19 23:05:45,300 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 23:05:45,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:05:45,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 23:05:45,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:05:45,302 INFO L87 Difference]: Start difference. First operand 729 states and 1053 transitions. Second operand 4 states. [2019-11-19 23:05:46,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:05:46,281 INFO L93 Difference]: Finished difference Result 2582 states and 3716 transitions. [2019-11-19 23:05:46,281 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 23:05:46,282 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 128 [2019-11-19 23:05:46,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:05:46,295 INFO L225 Difference]: With dead ends: 2582 [2019-11-19 23:05:46,296 INFO L226 Difference]: Without dead ends: 1855 [2019-11-19 23:05:46,297 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 23:05:46,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1855 states. [2019-11-19 23:05:46,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1855 to 1570. [2019-11-19 23:05:46,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1570 states. [2019-11-19 23:05:46,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2142 transitions. [2019-11-19 23:05:46,350 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2142 transitions. Word has length 128 [2019-11-19 23:05:46,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:05:46,350 INFO L462 AbstractCegarLoop]: Abstraction has 1570 states and 2142 transitions. [2019-11-19 23:05:46,351 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 23:05:46,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2142 transitions. [2019-11-19 23:05:46,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-11-19 23:05:46,356 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:05:46,356 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:05:46,357 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:05:46,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:05:46,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1700654884, now seen corresponding path program 1 times [2019-11-19 23:05:46,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:05:46,358 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892947565] [2019-11-19 23:05:46,358 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:05:46,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:05:46,430 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:05:46,431 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892947565] [2019-11-19 23:05:46,431 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:05:46,432 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 23:05:46,432 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92050394] [2019-11-19 23:05:46,434 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 23:05:46,434 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:05:46,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 23:05:46,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:05:46,435 INFO L87 Difference]: Start difference. First operand 1570 states and 2142 transitions. Second operand 3 states. [2019-11-19 23:05:47,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:05:47,029 INFO L93 Difference]: Finished difference Result 3840 states and 5195 transitions. [2019-11-19 23:05:47,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:05:47,030 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2019-11-19 23:05:47,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:05:47,044 INFO L225 Difference]: With dead ends: 3840 [2019-11-19 23:05:47,044 INFO L226 Difference]: Without dead ends: 2272 [2019-11-19 23:05:47,048 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 23:05:47,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2019-11-19 23:05:47,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 2272. [2019-11-19 23:05:47,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2272 states. [2019-11-19 23:05:47,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 2272 states and 2839 transitions. [2019-11-19 23:05:47,115 INFO L78 Accepts]: Start accepts. Automaton has 2272 states and 2839 transitions. Word has length 128 [2019-11-19 23:05:47,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:05:47,115 INFO L462 AbstractCegarLoop]: Abstraction has 2272 states and 2839 transitions. [2019-11-19 23:05:47,116 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 23:05:47,116 INFO L276 IsEmpty]: Start isEmpty. Operand 2272 states and 2839 transitions. [2019-11-19 23:05:47,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-11-19 23:05:47,120 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:05:47,121 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 23:05:47,121 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:05:47,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:05:47,122 INFO L82 PathProgramCache]: Analyzing trace with hash -1927886609, now seen corresponding path program 1 times [2019-11-19 23:05:47,122 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:05:47,122 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926451642] [2019-11-19 23:05:47,122 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:05:47,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:05:47,350 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 23:05:47,350 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926451642] [2019-11-19 23:05:47,351 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:05:47,351 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 23:05:47,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11530777] [2019-11-19 23:05:47,351 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 23:05:47,352 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:05:47,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 23:05:47,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:05:47,352 INFO L87 Difference]: Start difference. First operand 2272 states and 2839 transitions. Second operand 4 states. [2019-11-19 23:05:48,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:05:48,019 INFO L93 Difference]: Finished difference Result 4542 states and 5676 transitions. [2019-11-19 23:05:48,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:05:48,020 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 133 [2019-11-19 23:05:48,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:05:48,034 INFO L225 Difference]: With dead ends: 4542 [2019-11-19 23:05:48,035 INFO L226 Difference]: Without dead ends: 2272 [2019-11-19 23:05:48,039 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 23:05:48,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2019-11-19 23:05:48,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 1852. [2019-11-19 23:05:48,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1852 states. [2019-11-19 23:05:48,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1852 states to 1852 states and 2236 transitions. [2019-11-19 23:05:48,089 INFO L78 Accepts]: Start accepts. Automaton has 1852 states and 2236 transitions. Word has length 133 [2019-11-19 23:05:48,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:05:48,090 INFO L462 AbstractCegarLoop]: Abstraction has 1852 states and 2236 transitions. [2019-11-19 23:05:48,090 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 23:05:48,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 2236 transitions. [2019-11-19 23:05:48,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-11-19 23:05:48,094 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:05:48,094 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:05:48,095 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:05:48,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:05:48,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1580571441, now seen corresponding path program 1 times [2019-11-19 23:05:48,096 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:05:48,096 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641096043] [2019-11-19 23:05:48,096 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:05:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:05:48,202 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:05:48,203 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641096043] [2019-11-19 23:05:48,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:05:48,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 23:05:48,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525889409] [2019-11-19 23:05:48,205 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 23:05:48,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:05:48,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 23:05:48,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:05:48,205 INFO L87 Difference]: Start difference. First operand 1852 states and 2236 transitions. Second operand 3 states. [2019-11-19 23:05:48,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:05:48,778 INFO L93 Difference]: Finished difference Result 3987 states and 4778 transitions. [2019-11-19 23:05:48,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:05:48,783 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2019-11-19 23:05:48,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:05:48,796 INFO L225 Difference]: With dead ends: 3987 [2019-11-19 23:05:48,796 INFO L226 Difference]: Without dead ends: 2137 [2019-11-19 23:05:48,798 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 23:05:48,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2137 states. [2019-11-19 23:05:48,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2137 to 1992. [2019-11-19 23:05:48,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1992 states. [2019-11-19 23:05:48,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1992 states to 1992 states and 2277 transitions. [2019-11-19 23:05:48,841 INFO L78 Accepts]: Start accepts. Automaton has 1992 states and 2277 transitions. Word has length 146 [2019-11-19 23:05:48,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:05:48,841 INFO L462 AbstractCegarLoop]: Abstraction has 1992 states and 2277 transitions. [2019-11-19 23:05:48,841 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 23:05:48,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1992 states and 2277 transitions. [2019-11-19 23:05:48,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-11-19 23:05:48,847 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:05:48,847 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:05:48,848 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:05:48,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:05:48,852 INFO L82 PathProgramCache]: Analyzing trace with hash 97640742, now seen corresponding path program 1 times [2019-11-19 23:05:48,852 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:05:48,853 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529505578] [2019-11-19 23:05:48,853 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:05:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:05:48,989 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 23:05:48,989 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529505578] [2019-11-19 23:05:48,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 23:05:48,990 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 23:05:48,990 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650416186] [2019-11-19 23:05:48,991 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 23:05:48,991 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:05:49,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 23:05:49,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 23:05:49,003 INFO L87 Difference]: Start difference. First operand 1992 states and 2277 transitions. Second operand 3 states. [2019-11-19 23:05:49,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:05:49,479 INFO L93 Difference]: Finished difference Result 4678 states and 5318 transitions. [2019-11-19 23:05:49,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:05:49,480 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2019-11-19 23:05:49,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:05:49,490 INFO L225 Difference]: With dead ends: 4678 [2019-11-19 23:05:49,490 INFO L226 Difference]: Without dead ends: 1843 [2019-11-19 23:05:49,494 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 23:05:49,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1843 states. [2019-11-19 23:05:49,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1843 to 1703. [2019-11-19 23:05:49,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2019-11-19 23:05:49,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 1868 transitions. [2019-11-19 23:05:49,532 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 1868 transitions. Word has length 199 [2019-11-19 23:05:49,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:05:49,533 INFO L462 AbstractCegarLoop]: Abstraction has 1703 states and 1868 transitions. [2019-11-19 23:05:49,533 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 23:05:49,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 1868 transitions. [2019-11-19 23:05:49,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-11-19 23:05:49,539 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 23:05:49,539 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:05:49,540 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 23:05:49,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:05:49,540 INFO L82 PathProgramCache]: Analyzing trace with hash -567770269, now seen corresponding path program 1 times [2019-11-19 23:05:49,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 23:05:49,541 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982616180] [2019-11-19 23:05:49,541 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 23:05:49,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:05:49,719 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 85 proven. 3 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-11-19 23:05:49,719 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982616180] [2019-11-19 23:05:49,720 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14296613] [2019-11-19 23:05:49,720 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_836821d0-1952-49e7-820e-9db24f786438/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 23:05:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:05:49,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 23:05:49,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 23:05:49,935 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-11-19 23:05:49,935 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-19 23:05:49,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-19 23:05:49,936 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743610751] [2019-11-19 23:05:49,937 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 23:05:49,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 23:05:49,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 23:05:49,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-19 23:05:49,938 INFO L87 Difference]: Start difference. First operand 1703 states and 1868 transitions. Second operand 3 states. [2019-11-19 23:05:50,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 23:05:50,524 INFO L93 Difference]: Finished difference Result 3818 states and 4179 transitions. [2019-11-19 23:05:50,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 23:05:50,525 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 213 [2019-11-19 23:05:50,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 23:05:50,525 INFO L225 Difference]: With dead ends: 3818 [2019-11-19 23:05:50,525 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 23:05:50,529 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-19 23:05:50,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 23:05:50,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 23:05:50,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 23:05:50,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 23:05:50,531 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 213 [2019-11-19 23:05:50,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 23:05:50,531 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 23:05:50,532 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 23:05:50,532 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 23:05:50,532 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 23:05:50,733 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 23:05:50,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 23:05:51,106 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2019-11-19 23:05:51,397 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2019-11-19 23:05:51,400 INFO L444 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,400 INFO L444 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,400 INFO L444 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,400 INFO L444 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-19 23:05:51,400 INFO L444 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-19 23:05:51,400 INFO L444 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-19 23:05:51,401 INFO L444 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-19 23:05:51,401 INFO L444 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-19 23:05:51,401 INFO L444 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-19 23:05:51,401 INFO L444 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-19 23:05:51,401 INFO L444 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,401 INFO L444 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,401 INFO L444 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,401 INFO L444 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-19 23:05:51,401 INFO L444 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-19 23:05:51,401 INFO L444 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-19 23:05:51,401 INFO L444 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-19 23:05:51,401 INFO L444 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-19 23:05:51,402 INFO L444 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-19 23:05:51,402 INFO L444 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-19 23:05:51,402 INFO L444 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,402 INFO L444 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,402 INFO L444 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,402 INFO L444 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-19 23:05:51,402 INFO L444 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-19 23:05:51,402 INFO L444 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-19 23:05:51,402 INFO L444 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-19 23:05:51,402 INFO L444 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-19 23:05:51,402 INFO L444 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,403 INFO L444 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,403 INFO L444 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,403 INFO L444 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-19 23:05:51,403 INFO L444 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-19 23:05:51,403 INFO L444 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-19 23:05:51,403 INFO L444 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-19 23:05:51,403 INFO L444 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-19 23:05:51,403 INFO L444 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-19 23:05:51,403 INFO L444 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-19 23:05:51,403 INFO L444 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-19 23:05:51,403 INFO L444 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,403 INFO L444 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,404 INFO L444 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,404 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-19 23:05:51,404 INFO L444 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-19 23:05:51,404 INFO L444 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-19 23:05:51,404 INFO L444 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-19 23:05:51,404 INFO L444 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-19 23:05:51,404 INFO L444 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-19 23:05:51,404 INFO L444 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-19 23:05:51,404 INFO L444 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-19 23:05:51,404 INFO L444 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,404 INFO L444 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,405 INFO L444 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,405 INFO L444 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-19 23:05:51,405 INFO L444 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-19 23:05:51,405 INFO L444 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-19 23:05:51,405 INFO L444 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-19 23:05:51,405 INFO L444 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-19 23:05:51,405 INFO L444 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-19 23:05:51,405 INFO L444 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-19 23:05:51,405 INFO L444 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-19 23:05:51,405 INFO L444 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-19 23:05:51,405 INFO L444 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,406 INFO L444 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,406 INFO L444 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,406 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-19 23:05:51,406 INFO L444 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-19 23:05:51,406 INFO L444 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-19 23:05:51,406 INFO L444 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-19 23:05:51,406 INFO L444 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-19 23:05:51,406 INFO L444 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-19 23:05:51,406 INFO L444 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,406 INFO L444 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,406 INFO L444 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,407 INFO L444 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-19 23:05:51,407 INFO L444 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-19 23:05:51,407 INFO L444 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-19 23:05:51,407 INFO L444 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-19 23:05:51,407 INFO L444 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-19 23:05:51,407 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 23:05:51,407 INFO L444 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-19 23:05:51,407 INFO L444 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-19 23:05:51,407 INFO L444 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-19 23:05:51,407 INFO L444 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,407 INFO L444 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,408 INFO L444 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,408 INFO L444 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-19 23:05:51,408 INFO L444 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-19 23:05:51,410 INFO L444 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-19 23:05:51,410 INFO L444 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-19 23:05:51,410 INFO L444 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-19 23:05:51,410 INFO L444 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,410 INFO L444 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,410 INFO L444 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,411 INFO L444 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-19 23:05:51,411 INFO L444 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-19 23:05:51,411 INFO L444 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-19 23:05:51,411 INFO L444 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-19 23:05:51,411 INFO L444 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-19 23:05:51,411 INFO L444 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-19 23:05:51,411 INFO L444 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-19 23:05:51,412 INFO L444 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-19 23:05:51,412 INFO L444 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-19 23:05:51,412 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-19 23:05:51,412 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 23:05:51,412 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 490) no Hoare annotation was computed. [2019-11-19 23:05:51,412 INFO L444 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-19 23:05:51,412 INFO L444 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,413 INFO L444 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,413 INFO L444 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-19 23:05:51,413 INFO L444 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-19 23:05:51,413 INFO L444 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-19 23:05:51,413 INFO L444 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-19 23:05:51,413 INFO L444 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-19 23:05:51,413 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-19 23:05:51,414 INFO L444 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-19 23:05:51,414 INFO L444 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-19 23:05:51,414 INFO L444 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-19 23:05:51,414 INFO L440 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse2 (= ~a25~0 1)) (.cse0 (<= ~a19~0 0)) (.cse5 (= ~a17~0 8)) (.cse6 (not (= ~a28~0 11))) (.cse7 (<= 10 ~a28~0)) (.cse1 (= ~a19~0 1)) (.cse3 (= ~a11~0 1))) (or (and (= ~a28~0 9) .cse0) (and .cse1 .cse2 .cse3) (let ((.cse4 (not .cse2))) (or (and .cse0 (and .cse4 .cse5)) (and .cse0 .cse4 .cse6))) (and .cse5 .cse1 .cse6) (and .cse7 .cse1 .cse2) (and .cse0 .cse5 .cse6) (and .cse7 .cse1 .cse3))) [2019-11-19 23:05:51,415 INFO L444 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,415 INFO L444 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,415 INFO L444 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-19 23:05:51,415 INFO L444 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-19 23:05:51,415 INFO L444 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-19 23:05:51,415 INFO L444 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-19 23:05:51,415 INFO L444 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-19 23:05:51,416 INFO L444 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-19 23:05:51,416 INFO L447 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-19 23:05:51,416 INFO L444 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,416 INFO L444 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,416 INFO L444 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-19 23:05:51,416 INFO L444 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-19 23:05:51,417 INFO L444 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-19 23:05:51,417 INFO L444 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-19 23:05:51,417 INFO L444 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-19 23:05:51,417 INFO L444 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-19 23:05:51,417 INFO L444 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-19 23:05:51,417 INFO L444 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-19 23:05:51,417 INFO L444 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-19 23:05:51,417 INFO L444 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,418 INFO L444 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,418 INFO L444 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-19 23:05:51,418 INFO L444 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-19 23:05:51,418 INFO L444 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-19 23:05:51,418 INFO L444 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-19 23:05:51,418 INFO L444 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-19 23:05:51,418 INFO L444 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-19 23:05:51,419 INFO L440 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse2 (= ~a25~0 1)) (.cse0 (<= ~a19~0 0)) (.cse5 (= ~a17~0 8)) (.cse6 (not (= ~a28~0 11))) (.cse7 (<= 10 ~a28~0)) (.cse1 (= ~a19~0 1)) (.cse3 (= ~a11~0 1))) (or (and (= ~a28~0 9) .cse0) (and .cse1 .cse2 .cse3) (let ((.cse4 (not .cse2))) (or (and .cse0 (and .cse4 .cse5)) (and .cse0 .cse4 .cse6))) (and .cse5 .cse1 .cse6) (and .cse7 .cse1 .cse2) (and .cse0 .cse5 .cse6) (and .cse7 .cse1 .cse3))) [2019-11-19 23:05:51,419 INFO L444 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,419 INFO L444 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,419 INFO L444 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-19 23:05:51,419 INFO L444 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-19 23:05:51,419 INFO L444 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-19 23:05:51,420 INFO L444 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-19 23:05:51,420 INFO L444 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-19 23:05:51,420 INFO L444 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,420 INFO L444 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,420 INFO L444 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-19 23:05:51,420 INFO L444 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-19 23:05:51,420 INFO L444 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-19 23:05:51,421 INFO L444 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-19 23:05:51,421 INFO L444 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-19 23:05:51,421 INFO L444 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-19 23:05:51,421 INFO L444 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-19 23:05:51,421 INFO L444 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-19 23:05:51,421 INFO L444 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-19 23:05:51,421 INFO L444 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,422 INFO L444 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,422 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-19 23:05:51,422 INFO L444 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,422 INFO L444 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-19 23:05:51,422 INFO L444 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-19 23:05:51,422 INFO L444 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-19 23:05:51,422 INFO L444 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-19 23:05:51,423 INFO L444 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-19 23:05:51,423 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 23:05:51,423 INFO L444 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-19 23:05:51,423 INFO L444 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,423 INFO L444 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,423 INFO L444 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,423 INFO L444 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-19 23:05:51,424 INFO L444 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-19 23:05:51,424 INFO L444 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-19 23:05:51,424 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-19 23:05:51,424 INFO L444 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-19 23:05:51,424 INFO L444 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,424 INFO L444 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,424 INFO L444 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,425 INFO L444 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-19 23:05:51,425 INFO L444 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-19 23:05:51,425 INFO L444 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-19 23:05:51,425 INFO L444 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-19 23:05:51,425 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-19 23:05:51,425 INFO L444 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-19 23:05:51,425 INFO L444 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,426 INFO L444 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,426 INFO L444 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,426 INFO L444 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-19 23:05:51,426 INFO L444 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-19 23:05:51,426 INFO L444 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-19 23:05:51,426 INFO L444 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-19 23:05:51,426 INFO L444 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-19 23:05:51,427 INFO L444 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-19 23:05:51,427 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 23:05:51,427 INFO L444 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-19 23:05:51,427 INFO L444 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-19 23:05:51,427 INFO L444 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,427 INFO L444 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,427 INFO L444 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,428 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-19 23:05:51,428 INFO L444 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-19 23:05:51,428 INFO L444 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-19 23:05:51,428 INFO L444 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-19 23:05:51,428 INFO L444 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-19 23:05:51,428 INFO L444 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,428 INFO L444 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,429 INFO L444 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 23:05:51,429 INFO L444 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-19 23:05:51,429 INFO L444 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-19 23:05:51,429 INFO L444 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-19 23:05:51,429 INFO L444 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-19 23:05:51,429 INFO L444 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-19 23:05:51,429 INFO L444 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-19 23:05:51,430 INFO L444 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-19 23:05:51,430 INFO L444 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-19 23:05:51,430 INFO L444 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-19 23:05:51,430 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-19 23:05:51,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 11:05:51 BoogieIcfgContainer [2019-11-19 23:05:51,449 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 23:05:51,449 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:05:51,449 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:05:51,449 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:05:51,450 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:05:42" (3/4) ... [2019-11-19 23:05:51,457 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 23:05:51,486 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 23:05:51,488 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 23:05:51,670 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_836821d0-1952-49e7-820e-9db24f786438/bin/uautomizer/witness.graphml [2019-11-19 23:05:51,670 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:05:51,672 INFO L168 Benchmark]: Toolchain (without parser) took 11702.07 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 411.0 MB). Free memory was 944.8 MB in the beginning and 1.3 GB in the end (delta: -339.2 MB). Peak memory consumption was 71.8 MB. Max. memory is 11.5 GB. [2019-11-19 23:05:51,672 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:05:51,673 INFO L168 Benchmark]: CACSL2BoogieTranslator took 698.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 199.2 MB). Free memory was 944.8 MB in the beginning and 1.2 GB in the end (delta: -224.4 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-19 23:05:51,673 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:05:51,674 INFO L168 Benchmark]: Boogie Preprocessor took 68.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-19 23:05:51,674 INFO L168 Benchmark]: RCFGBuilder took 1288.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 106.9 MB). Peak memory consumption was 106.9 MB. Max. memory is 11.5 GB. [2019-11-19 23:05:51,674 INFO L168 Benchmark]: TraceAbstraction took 9325.76 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 211.8 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -252.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:05:51,675 INFO L168 Benchmark]: Witness Printer took 221.55 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2019-11-19 23:05:51,677 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 698.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 199.2 MB). Free memory was 944.8 MB in the beginning and 1.2 GB in the end (delta: -224.4 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 68.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1288.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 106.9 MB). Peak memory consumption was 106.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9325.76 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 211.8 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -252.4 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 221.55 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 490]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((a28 == 9 && a19 <= 0) || ((a19 == 1 && a25 == 1) && a11 == 1)) || (a19 <= 0 && !(a25 == 1) && a17 == 8) || ((a19 <= 0 && !(a25 == 1)) && !(a28 == 11))) || ((a17 == 8 && a19 == 1) && !(a28 == 11))) || ((10 <= a28 && a19 == 1) && a25 == 1)) || ((a19 <= 0 && a17 == 8) && !(a28 == 11))) || ((10 <= a28 && a19 == 1) && a11 == 1) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((a28 == 9 && a19 <= 0) || ((a19 == 1 && a25 == 1) && a11 == 1)) || (a19 <= 0 && !(a25 == 1) && a17 == 8) || ((a19 <= 0 && !(a25 == 1)) && !(a28 == 11))) || ((a17 == 8 && a19 == 1) && !(a28 == 11))) || ((10 <= a28 && a19 == 1) && a25 == 1)) || ((a19 <= 0 && a17 == 8) && !(a28 == 11))) || ((10 <= a28 && a19 == 1) && a11 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 9.2s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 1196 SDtfs, 1565 SDslu, 222 SDs, 0 SdLazy, 4134 SolverSat, 795 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 242 GetRequests, 223 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2272occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 1288 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 48 NumberOfFragments, 171 HoareAnnotationTreeSize, 3 FomulaSimplifications, 916 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 288 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1390 NumberOfCodeBlocks, 1390 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1381 ConstructedInterpolants, 0 QuantifiedInterpolants, 493873 SizeOfPredicates, 1 NumberOfNonLiveVariables, 350 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 568/571 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...