./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label27.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_5aa90cad-2abf-4460-8f64-03c1c0dbf4c3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5aa90cad-2abf-4460-8f64-03c1c0dbf4c3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5aa90cad-2abf-4460-8f64-03c1c0dbf4c3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5aa90cad-2abf-4460-8f64-03c1c0dbf4c3/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label27.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5aa90cad-2abf-4460-8f64-03c1c0dbf4c3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5aa90cad-2abf-4460-8f64-03c1c0dbf4c3/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 571733b9b2b4edd3beb90cbc1a974d2015477291 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 21:47:30,976 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 21:47:30,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 21:47:30,992 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 21:47:30,993 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 21:47:30,994 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 21:47:30,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 21:47:31,004 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 21:47:31,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 21:47:31,012 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 21:47:31,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 21:47:31,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 21:47:31,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 21:47:31,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 21:47:31,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 21:47:31,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 21:47:31,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 21:47:31,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 21:47:31,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 21:47:31,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 21:47:31,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 21:47:31,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 21:47:31,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 21:47:31,034 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 21:47:31,037 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 21:47:31,037 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 21:47:31,038 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 21:47:31,039 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 21:47:31,039 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 21:47:31,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 21:47:31,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 21:47:31,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 21:47:31,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 21:47:31,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 21:47:31,043 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 21:47:31,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 21:47:31,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 21:47:31,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 21:47:31,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 21:47:31,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 21:47:31,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 21:47:31,046 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5aa90cad-2abf-4460-8f64-03c1c0dbf4c3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 21:47:31,071 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 21:47:31,071 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 21:47:31,072 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 21:47:31,072 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 21:47:31,072 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 21:47:31,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 21:47:31,073 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 21:47:31,073 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 21:47:31,073 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 21:47:31,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 21:47:31,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 21:47:31,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 21:47:31,074 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 21:47:31,074 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 21:47:31,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 21:47:31,074 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 21:47:31,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 21:47:31,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 21:47:31,075 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 21:47:31,075 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 21:47:31,075 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 21:47:31,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 21:47:31,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 21:47:31,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 21:47:31,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 21:47:31,076 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 21:47:31,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 21:47:31,077 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 21:47:31,077 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_5aa90cad-2abf-4460-8f64-03c1c0dbf4c3/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 -> 571733b9b2b4edd3beb90cbc1a974d2015477291 [2019-11-19 21:47:31,244 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 21:47:31,254 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 21:47:31,257 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 21:47:31,258 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 21:47:31,258 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 21:47:31,259 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5aa90cad-2abf-4460-8f64-03c1c0dbf4c3/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label27.c [2019-11-19 21:47:31,316 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5aa90cad-2abf-4460-8f64-03c1c0dbf4c3/bin/uautomizer/data/0365961ab/49bf3a0d03c44c6b99dceda78983db85/FLAGaf1d7c6c3 [2019-11-19 21:47:31,829 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 21:47:31,831 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5aa90cad-2abf-4460-8f64-03c1c0dbf4c3/sv-benchmarks/c/eca-rers2012/Problem02_label27.c [2019-11-19 21:47:31,841 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5aa90cad-2abf-4460-8f64-03c1c0dbf4c3/bin/uautomizer/data/0365961ab/49bf3a0d03c44c6b99dceda78983db85/FLAGaf1d7c6c3 [2019-11-19 21:47:32,109 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5aa90cad-2abf-4460-8f64-03c1c0dbf4c3/bin/uautomizer/data/0365961ab/49bf3a0d03c44c6b99dceda78983db85 [2019-11-19 21:47:32,111 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 21:47:32,113 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 21:47:32,113 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 21:47:32,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 21:47:32,117 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 21:47:32,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:47:32" (1/1) ... [2019-11-19 21:47:32,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34fd9463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:47:32, skipping insertion in model container [2019-11-19 21:47:32,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:47:32" (1/1) ... [2019-11-19 21:47:32,127 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 21:47:32,170 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 21:47:32,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:47:32,568 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 21:47:32,673 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 21:47:32,699 INFO L192 MainTranslator]: Completed translation [2019-11-19 21:47:32,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:47:32 WrapperNode [2019-11-19 21:47:32,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 21:47:32,700 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 21:47:32,700 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 21:47:32,700 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 21:47:32,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:47:32" (1/1) ... [2019-11-19 21:47:32,724 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:47:32" (1/1) ... [2019-11-19 21:47:32,785 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 21:47:32,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 21:47:32,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 21:47:32,786 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 21:47:32,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:47:32" (1/1) ... [2019-11-19 21:47:32,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:47:32" (1/1) ... [2019-11-19 21:47:32,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:47:32" (1/1) ... [2019-11-19 21:47:32,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:47:32" (1/1) ... [2019-11-19 21:47:32,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:47:32" (1/1) ... [2019-11-19 21:47:32,827 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:47:32" (1/1) ... [2019-11-19 21:47:32,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:47:32" (1/1) ... [2019-11-19 21:47:32,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 21:47:32,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 21:47:32,840 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 21:47:32,840 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 21:47:32,841 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:47:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5aa90cad-2abf-4460-8f64-03c1c0dbf4c3/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 21:47:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 21:47:32,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 21:47:34,106 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 21:47:34,106 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-19 21:47:34,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:47:34 BoogieIcfgContainer [2019-11-19 21:47:34,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 21:47:34,109 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 21:47:34,109 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 21:47:34,113 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 21:47:34,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:47:32" (1/3) ... [2019-11-19 21:47:34,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25fa04ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:47:34, skipping insertion in model container [2019-11-19 21:47:34,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:47:32" (2/3) ... [2019-11-19 21:47:34,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25fa04ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:47:34, skipping insertion in model container [2019-11-19 21:47:34,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:47:34" (3/3) ... [2019-11-19 21:47:34,120 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label27.c [2019-11-19 21:47:34,129 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 21:47:34,137 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 21:47:34,147 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 21:47:34,184 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 21:47:34,185 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 21:47:34,185 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 21:47:34,185 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 21:47:34,185 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 21:47:34,185 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 21:47:34,185 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 21:47:34,186 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 21:47:34,208 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-11-19 21:47:34,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-11-19 21:47:34,221 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:47:34,221 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] [2019-11-19 21:47:34,222 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:47:34,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:47:34,227 INFO L82 PathProgramCache]: Analyzing trace with hash -1105443037, now seen corresponding path program 1 times [2019-11-19 21:47:34,235 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:47:34,236 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455071651] [2019-11-19 21:47:34,236 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:47:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:34,576 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 21:47:34,577 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455071651] [2019-11-19 21:47:34,577 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:47:34,578 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 21:47:34,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628081186] [2019-11-19 21:47:34,586 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 21:47:34,586 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:47:34,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 21:47:34,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 21:47:34,601 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-11-19 21:47:36,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:47:36,037 INFO L93 Difference]: Finished difference Result 747 states and 1324 transitions. [2019-11-19 21:47:36,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 21:47:36,038 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 95 [2019-11-19 21:47:36,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:47:36,054 INFO L225 Difference]: With dead ends: 747 [2019-11-19 21:47:36,054 INFO L226 Difference]: Without dead ends: 453 [2019-11-19 21:47:36,058 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 21:47:36,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2019-11-19 21:47:36,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 449. [2019-11-19 21:47:36,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2019-11-19 21:47:36,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 614 transitions. [2019-11-19 21:47:36,121 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 614 transitions. Word has length 95 [2019-11-19 21:47:36,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:47:36,121 INFO L462 AbstractCegarLoop]: Abstraction has 449 states and 614 transitions. [2019-11-19 21:47:36,121 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 21:47:36,122 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 614 transitions. [2019-11-19 21:47:36,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-11-19 21:47:36,127 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:47:36,127 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:47:36,127 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:47:36,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:47:36,128 INFO L82 PathProgramCache]: Analyzing trace with hash 1333663362, now seen corresponding path program 1 times [2019-11-19 21:47:36,128 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:47:36,128 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383140382] [2019-11-19 21:47:36,129 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:47:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:36,270 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 21:47:36,271 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383140382] [2019-11-19 21:47:36,271 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:47:36,271 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 21:47:36,271 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112952654] [2019-11-19 21:47:36,274 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 21:47:36,274 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:47:36,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 21:47:36,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 21:47:36,275 INFO L87 Difference]: Start difference. First operand 449 states and 614 transitions. Second operand 4 states. [2019-11-19 21:47:37,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:47:37,128 INFO L93 Difference]: Finished difference Result 1456 states and 1957 transitions. [2019-11-19 21:47:37,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 21:47:37,129 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2019-11-19 21:47:37,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:47:37,135 INFO L225 Difference]: With dead ends: 1456 [2019-11-19 21:47:37,135 INFO L226 Difference]: Without dead ends: 1009 [2019-11-19 21:47:37,141 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 21:47:37,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1009 states. [2019-11-19 21:47:37,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1009 to 869. [2019-11-19 21:47:37,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2019-11-19 21:47:37,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1153 transitions. [2019-11-19 21:47:37,213 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1153 transitions. Word has length 104 [2019-11-19 21:47:37,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:47:37,215 INFO L462 AbstractCegarLoop]: Abstraction has 869 states and 1153 transitions. [2019-11-19 21:47:37,215 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 21:47:37,215 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1153 transitions. [2019-11-19 21:47:37,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-11-19 21:47:37,224 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:47:37,224 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-19 21:47:37,224 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:47:37,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:47:37,225 INFO L82 PathProgramCache]: Analyzing trace with hash 6722654, now seen corresponding path program 1 times [2019-11-19 21:47:37,225 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:47:37,225 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348982964] [2019-11-19 21:47:37,226 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:47:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:37,329 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 21:47:37,330 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348982964] [2019-11-19 21:47:37,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:47:37,331 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-19 21:47:37,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728329804] [2019-11-19 21:47:37,333 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:47:37,333 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:47:37,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:47:37,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:47:37,335 INFO L87 Difference]: Start difference. First operand 869 states and 1153 transitions. Second operand 3 states. [2019-11-19 21:47:37,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:47:37,919 INFO L93 Difference]: Finished difference Result 2299 states and 3052 transitions. [2019-11-19 21:47:37,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:47:37,920 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2019-11-19 21:47:37,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:47:37,928 INFO L225 Difference]: With dead ends: 2299 [2019-11-19 21:47:37,928 INFO L226 Difference]: Without dead ends: 1432 [2019-11-19 21:47:37,930 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 21:47:37,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2019-11-19 21:47:37,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1432. [2019-11-19 21:47:37,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1432 states. [2019-11-19 21:47:37,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 1790 transitions. [2019-11-19 21:47:37,966 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 1790 transitions. Word has length 128 [2019-11-19 21:47:37,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:47:37,966 INFO L462 AbstractCegarLoop]: Abstraction has 1432 states and 1790 transitions. [2019-11-19 21:47:37,966 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:47:37,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 1790 transitions. [2019-11-19 21:47:37,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-11-19 21:47:37,970 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:47:37,970 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:47:37,970 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:47:37,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:47:37,971 INFO L82 PathProgramCache]: Analyzing trace with hash 673148457, now seen corresponding path program 1 times [2019-11-19 21:47:37,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:47:37,971 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668064488] [2019-11-19 21:47:37,971 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:47:37,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:38,084 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 21:47:38,085 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668064488] [2019-11-19 21:47:38,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:47:38,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 21:47:38,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302143574] [2019-11-19 21:47:38,086 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 21:47:38,086 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:47:38,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 21:47:38,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 21:47:38,087 INFO L87 Difference]: Start difference. First operand 1432 states and 1790 transitions. Second operand 4 states. [2019-11-19 21:47:38,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:47:38,723 INFO L93 Difference]: Finished difference Result 2862 states and 3578 transitions. [2019-11-19 21:47:38,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:47:38,723 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 133 [2019-11-19 21:47:38,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:47:38,731 INFO L225 Difference]: With dead ends: 2862 [2019-11-19 21:47:38,731 INFO L226 Difference]: Without dead ends: 1432 [2019-11-19 21:47:38,733 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 21:47:38,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2019-11-19 21:47:38,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1152. [2019-11-19 21:47:38,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1152 states. [2019-11-19 21:47:38,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 1152 states and 1354 transitions. [2019-11-19 21:47:38,759 INFO L78 Accepts]: Start accepts. Automaton has 1152 states and 1354 transitions. Word has length 133 [2019-11-19 21:47:38,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:47:38,759 INFO L462 AbstractCegarLoop]: Abstraction has 1152 states and 1354 transitions. [2019-11-19 21:47:38,760 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 21:47:38,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1354 transitions. [2019-11-19 21:47:38,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-11-19 21:47:38,762 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:47:38,762 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 21:47:38,763 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:47:38,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:47:38,763 INFO L82 PathProgramCache]: Analyzing trace with hash 1020463625, now seen corresponding path program 1 times [2019-11-19 21:47:38,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:47:38,763 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793975322] [2019-11-19 21:47:38,764 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:47:38,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:38,827 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-19 21:47:38,828 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793975322] [2019-11-19 21:47:38,828 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:47:38,828 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 21:47:38,828 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606410922] [2019-11-19 21:47:38,829 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:47:38,829 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:47:38,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:47:38,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:47:38,829 INFO L87 Difference]: Start difference. First operand 1152 states and 1354 transitions. Second operand 3 states. [2019-11-19 21:47:39,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:47:39,321 INFO L93 Difference]: Finished difference Result 3150 states and 3705 transitions. [2019-11-19 21:47:39,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:47:39,322 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2019-11-19 21:47:39,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:47:39,331 INFO L225 Difference]: With dead ends: 3150 [2019-11-19 21:47:39,332 INFO L226 Difference]: Without dead ends: 1858 [2019-11-19 21:47:39,334 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 21:47:39,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1858 states. [2019-11-19 21:47:39,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1858 to 1712. [2019-11-19 21:47:39,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1712 states. [2019-11-19 21:47:39,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1712 states and 1986 transitions. [2019-11-19 21:47:39,368 INFO L78 Accepts]: Start accepts. Automaton has 1712 states and 1986 transitions. Word has length 146 [2019-11-19 21:47:39,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:47:39,368 INFO L462 AbstractCegarLoop]: Abstraction has 1712 states and 1986 transitions. [2019-11-19 21:47:39,369 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:47:39,369 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 1986 transitions. [2019-11-19 21:47:39,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-19 21:47:39,372 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:47:39,372 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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 21:47:39,373 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:47:39,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:47:39,373 INFO L82 PathProgramCache]: Analyzing trace with hash 2032867488, now seen corresponding path program 1 times [2019-11-19 21:47:39,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:47:39,374 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310264342] [2019-11-19 21:47:39,374 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:47:39,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:39,432 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-19 21:47:39,433 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310264342] [2019-11-19 21:47:39,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:47:39,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 21:47:39,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247435995] [2019-11-19 21:47:39,434 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:47:39,434 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:47:39,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:47:39,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:47:39,435 INFO L87 Difference]: Start difference. First operand 1712 states and 1986 transitions. Second operand 3 states. [2019-11-19 21:47:39,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:47:40,000 INFO L93 Difference]: Finished difference Result 4118 states and 4755 transitions. [2019-11-19 21:47:40,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:47:40,000 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2019-11-19 21:47:40,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:47:40,009 INFO L225 Difference]: With dead ends: 4118 [2019-11-19 21:47:40,009 INFO L226 Difference]: Without dead ends: 1705 [2019-11-19 21:47:40,012 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 21:47:40,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1705 states. [2019-11-19 21:47:40,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1705 to 1565. [2019-11-19 21:47:40,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1565 states. [2019-11-19 21:47:40,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1565 states and 1730 transitions. [2019-11-19 21:47:40,047 INFO L78 Accepts]: Start accepts. Automaton has 1565 states and 1730 transitions. Word has length 155 [2019-11-19 21:47:40,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:47:40,047 INFO L462 AbstractCegarLoop]: Abstraction has 1565 states and 1730 transitions. [2019-11-19 21:47:40,048 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:47:40,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1565 states and 1730 transitions. [2019-11-19 21:47:40,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-11-19 21:47:40,052 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:47:40,053 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2019-11-19 21:47:40,053 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:47:40,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:47:40,057 INFO L82 PathProgramCache]: Analyzing trace with hash 277512423, now seen corresponding path program 1 times [2019-11-19 21:47:40,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:47:40,057 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179390013] [2019-11-19 21:47:40,057 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:47:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:40,173 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-11-19 21:47:40,174 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179390013] [2019-11-19 21:47:40,174 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 21:47:40,174 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 21:47:40,174 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339249511] [2019-11-19 21:47:40,175 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:47:40,175 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:47:40,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:47:40,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 21:47:40,186 INFO L87 Difference]: Start difference. First operand 1565 states and 1730 transitions. Second operand 3 states. [2019-11-19 21:47:40,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:47:40,624 INFO L93 Difference]: Finished difference Result 3272 states and 3605 transitions. [2019-11-19 21:47:40,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:47:40,624 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2019-11-19 21:47:40,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:47:40,633 INFO L225 Difference]: With dead ends: 3272 [2019-11-19 21:47:40,633 INFO L226 Difference]: Without dead ends: 1709 [2019-11-19 21:47:40,635 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 21:47:40,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1709 states. [2019-11-19 21:47:40,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1709 to 1564. [2019-11-19 21:47:40,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1564 states. [2019-11-19 21:47:40,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 1564 states and 1712 transitions. [2019-11-19 21:47:40,663 INFO L78 Accepts]: Start accepts. Automaton has 1564 states and 1712 transitions. Word has length 165 [2019-11-19 21:47:40,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:47:40,664 INFO L462 AbstractCegarLoop]: Abstraction has 1564 states and 1712 transitions. [2019-11-19 21:47:40,664 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:47:40,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 1712 transitions. [2019-11-19 21:47:40,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-11-19 21:47:40,667 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 21:47:40,667 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 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] [2019-11-19 21:47:40,667 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 21:47:40,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 21:47:40,668 INFO L82 PathProgramCache]: Analyzing trace with hash 951820893, now seen corresponding path program 1 times [2019-11-19 21:47:40,668 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 21:47:40,668 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452070799] [2019-11-19 21:47:40,668 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 21:47:40,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:40,804 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 94 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-11-19 21:47:40,804 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452070799] [2019-11-19 21:47:40,805 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730658461] [2019-11-19 21:47:40,805 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5aa90cad-2abf-4460-8f64-03c1c0dbf4c3/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 21:47:40,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 21:47:40,898 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 21:47:40,907 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 21:47:40,963 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-11-19 21:47:40,964 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-19 21:47:40,964 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-19 21:47:40,964 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558829397] [2019-11-19 21:47:40,965 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 21:47:40,965 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 21:47:40,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 21:47:40,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-19 21:47:40,966 INFO L87 Difference]: Start difference. First operand 1564 states and 1712 transitions. Second operand 3 states. [2019-11-19 21:47:41,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 21:47:41,394 INFO L93 Difference]: Finished difference Result 2836 states and 3080 transitions. [2019-11-19 21:47:41,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 21:47:41,395 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 169 [2019-11-19 21:47:41,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 21:47:41,396 INFO L225 Difference]: With dead ends: 2836 [2019-11-19 21:47:41,396 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 21:47:41,398 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-11-19 21:47:41,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 21:47:41,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 21:47:41,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 21:47:41,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 21:47:41,399 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 169 [2019-11-19 21:47:41,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 21:47:41,399 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 21:47:41,399 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 21:47:41,399 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 21:47:41,399 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 21:47:41,600 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-19 21:47:41,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 21:47:41,769 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2019-11-19 21:47:41,884 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2019-11-19 21:47:41,888 INFO L444 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,888 INFO L444 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,888 INFO L444 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,888 INFO L444 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-11-19 21:47:41,888 INFO L444 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2019-11-19 21:47:41,888 INFO L444 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2019-11-19 21:47:41,888 INFO L444 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2019-11-19 21:47:41,888 INFO L444 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-11-19 21:47:41,889 INFO L444 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-11-19 21:47:41,889 INFO L444 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-11-19 21:47:41,889 INFO L444 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,889 INFO L444 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,889 INFO L444 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,889 INFO L444 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-11-19 21:47:41,889 INFO L444 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2019-11-19 21:47:41,889 INFO L444 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2019-11-19 21:47:41,889 INFO L444 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2019-11-19 21:47:41,890 INFO L444 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-11-19 21:47:41,890 INFO L444 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-11-19 21:47:41,890 INFO L444 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-11-19 21:47:41,890 INFO L444 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,890 INFO L444 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,890 INFO L444 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,890 INFO L444 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-11-19 21:47:41,890 INFO L444 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2019-11-19 21:47:41,890 INFO L444 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-19 21:47:41,891 INFO L444 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2019-11-19 21:47:41,891 INFO L444 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-11-19 21:47:41,891 INFO L444 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,891 INFO L444 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,891 INFO L444 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,891 INFO L444 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-11-19 21:47:41,891 INFO L444 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-11-19 21:47:41,892 INFO L444 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2019-11-19 21:47:41,893 INFO L444 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2019-11-19 21:47:41,893 INFO L444 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2019-11-19 21:47:41,893 INFO L444 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-11-19 21:47:41,893 INFO L444 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-11-19 21:47:41,893 INFO L444 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-11-19 21:47:41,893 INFO L444 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,893 INFO L444 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,893 INFO L444 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,894 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-11-19 21:47:41,894 INFO L444 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2019-11-19 21:47:41,896 INFO L444 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2019-11-19 21:47:41,896 INFO L444 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2019-11-19 21:47:41,896 INFO L444 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-11-19 21:47:41,897 INFO L444 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-11-19 21:47:41,897 INFO L444 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-11-19 21:47:41,897 INFO L444 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-11-19 21:47:41,897 INFO L444 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,897 INFO L444 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,897 INFO L444 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,897 INFO L444 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-11-19 21:47:41,897 INFO L444 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-11-19 21:47:41,897 INFO L444 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-11-19 21:47:41,898 INFO L444 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-11-19 21:47:41,898 INFO L444 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2019-11-19 21:47:41,898 INFO L444 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2019-11-19 21:47:41,898 INFO L444 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2019-11-19 21:47:41,898 INFO L444 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-11-19 21:47:41,898 INFO L444 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-11-19 21:47:41,898 INFO L444 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,898 INFO L444 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,898 INFO L444 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,899 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-11-19 21:47:41,899 INFO L444 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2019-11-19 21:47:41,899 INFO L444 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2019-11-19 21:47:41,899 INFO L444 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2019-11-19 21:47:41,899 INFO L444 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-11-19 21:47:41,899 INFO L444 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-11-19 21:47:41,899 INFO L444 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,899 INFO L444 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,899 INFO L444 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,900 INFO L444 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-11-19 21:47:41,900 INFO L444 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-11-19 21:47:41,900 INFO L444 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2019-11-19 21:47:41,900 INFO L444 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2019-11-19 21:47:41,900 INFO L444 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2019-11-19 21:47:41,900 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 21:47:41,900 INFO L444 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-11-19 21:47:41,900 INFO L444 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-11-19 21:47:41,900 INFO L444 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-11-19 21:47:41,901 INFO L444 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,901 INFO L444 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,901 INFO L444 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,901 INFO L444 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2019-11-19 21:47:41,901 INFO L444 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2019-11-19 21:47:41,901 INFO L444 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-19 21:47:41,901 INFO L444 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-11-19 21:47:41,901 INFO L444 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-11-19 21:47:41,901 INFO L444 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,904 INFO L444 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,904 INFO L444 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,904 INFO L444 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-11-19 21:47:41,904 INFO L444 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2019-11-19 21:47:41,904 INFO L444 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2019-11-19 21:47:41,905 INFO L444 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-19 21:47:41,905 INFO L444 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-11-19 21:47:41,906 INFO L444 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-11-19 21:47:41,906 INFO L444 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-11-19 21:47:41,906 INFO L444 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-11-19 21:47:41,906 INFO L444 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-11-19 21:47:41,906 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-11-19 21:47:41,906 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 21:47:41,906 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 457) no Hoare annotation was computed. [2019-11-19 21:47:41,906 INFO L444 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-11-19 21:47:41,906 INFO L444 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,907 INFO L444 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,907 INFO L444 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-11-19 21:47:41,907 INFO L444 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2019-11-19 21:47:41,907 INFO L444 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2019-11-19 21:47:41,907 INFO L444 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-19 21:47:41,907 INFO L444 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-11-19 21:47:41,907 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-11-19 21:47:41,907 INFO L444 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-11-19 21:47:41,907 INFO L444 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-11-19 21:47:41,907 INFO L444 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-11-19 21:47:41,909 INFO L440 ceAbstractionStarter]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse1 (not (= ~a28~0 11))) (.cse4 (<= ~a17~0 7)) (.cse5 (= ~a11~0 1)) (.cse2 (= ~a17~0 8)) (.cse3 (= ~a19~0 1)) (.cse6 (= ~a25~0 1))) (or (let ((.cse0 (<= ~a19~0 0))) (or (and .cse0 .cse1) (and .cse0 .cse2))) (and .cse2 .cse3 .cse1) (and .cse4 .cse3 (= ~a28~0 7) .cse5) (and .cse4 (not .cse6) .cse3 .cse5) (and .cse2 .cse3 .cse6))) [2019-11-19 21:47:41,909 INFO L444 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,909 INFO L444 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,909 INFO L444 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-11-19 21:47:41,909 INFO L444 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2019-11-19 21:47:41,909 INFO L444 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-19 21:47:41,909 INFO L444 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-11-19 21:47:41,909 INFO L444 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-11-19 21:47:41,910 INFO L444 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-11-19 21:47:41,910 INFO L447 ceAbstractionStarter]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-11-19 21:47:41,910 INFO L444 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,910 INFO L444 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,910 INFO L444 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-11-19 21:47:41,910 INFO L444 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2019-11-19 21:47:41,910 INFO L444 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2019-11-19 21:47:41,910 INFO L444 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-11-19 21:47:41,910 INFO L444 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-11-19 21:47:41,911 INFO L444 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-11-19 21:47:41,911 INFO L444 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-11-19 21:47:41,911 INFO L444 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-11-19 21:47:41,911 INFO L444 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-11-19 21:47:41,911 INFO L444 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,911 INFO L444 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,911 INFO L444 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-11-19 21:47:41,911 INFO L444 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-11-19 21:47:41,911 INFO L444 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2019-11-19 21:47:41,911 INFO L444 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2019-11-19 21:47:41,912 INFO L444 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-11-19 21:47:41,912 INFO L444 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-11-19 21:47:41,912 INFO L440 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (not (= ~a28~0 11))) (.cse4 (<= ~a17~0 7)) (.cse5 (= ~a11~0 1)) (.cse2 (= ~a17~0 8)) (.cse3 (= ~a19~0 1)) (.cse6 (= ~a25~0 1))) (or (let ((.cse0 (<= ~a19~0 0))) (or (and .cse0 .cse1) (and .cse0 .cse2))) (and .cse2 .cse3 .cse1) (and .cse4 .cse3 (= ~a28~0 7) .cse5) (and .cse4 (not .cse6) .cse3 .cse5) (and .cse2 .cse3 .cse6))) [2019-11-19 21:47:41,912 INFO L444 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,912 INFO L444 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,912 INFO L444 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-11-19 21:47:41,912 INFO L444 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2019-11-19 21:47:41,912 INFO L444 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2019-11-19 21:47:41,913 INFO L444 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-11-19 21:47:41,913 INFO L444 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-11-19 21:47:41,913 INFO L444 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,913 INFO L444 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,913 INFO L444 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2019-11-19 21:47:41,913 INFO L444 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2019-11-19 21:47:41,913 INFO L444 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-11-19 21:47:41,913 INFO L444 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-11-19 21:47:41,913 INFO L444 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-11-19 21:47:41,913 INFO L444 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2019-11-19 21:47:41,914 INFO L444 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-11-19 21:47:41,914 INFO L444 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-11-19 21:47:41,914 INFO L444 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-11-19 21:47:41,914 INFO L444 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,914 INFO L444 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,914 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-11-19 21:47:41,914 INFO L444 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,914 INFO L444 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2019-11-19 21:47:41,914 INFO L444 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2019-11-19 21:47:41,915 INFO L444 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2019-11-19 21:47:41,915 INFO L444 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-11-19 21:47:41,915 INFO L444 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-11-19 21:47:41,915 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 21:47:41,915 INFO L444 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-11-19 21:47:41,915 INFO L444 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,915 INFO L444 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,915 INFO L444 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,915 INFO L444 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-11-19 21:47:41,915 INFO L444 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2019-11-19 21:47:41,916 INFO L444 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2019-11-19 21:47:41,916 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-11-19 21:47:41,919 INFO L444 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-11-19 21:47:41,919 INFO L444 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,919 INFO L444 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,919 INFO L444 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,920 INFO L444 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-11-19 21:47:41,920 INFO L444 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-19 21:47:41,920 INFO L444 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2019-11-19 21:47:41,920 INFO L444 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2019-11-19 21:47:41,920 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-11-19 21:47:41,920 INFO L444 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-11-19 21:47:41,921 INFO L444 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,921 INFO L444 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,921 INFO L444 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,921 INFO L444 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-11-19 21:47:41,922 INFO L444 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-11-19 21:47:41,922 INFO L444 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-11-19 21:47:41,922 INFO L444 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2019-11-19 21:47:41,922 INFO L444 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2019-11-19 21:47:41,922 INFO L444 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2019-11-19 21:47:41,922 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 21:47:41,922 INFO L444 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-11-19 21:47:41,922 INFO L444 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-11-19 21:47:41,922 INFO L444 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,922 INFO L444 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,923 INFO L444 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,923 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-11-19 21:47:41,923 INFO L444 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2019-11-19 21:47:41,923 INFO L444 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2019-11-19 21:47:41,923 INFO L444 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2019-11-19 21:47:41,923 INFO L444 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-11-19 21:47:41,923 INFO L444 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,923 INFO L444 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,923 INFO L444 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-11-19 21:47:41,924 INFO L444 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-11-19 21:47:41,924 INFO L444 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-11-19 21:47:41,924 INFO L444 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-11-19 21:47:41,924 INFO L444 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2019-11-19 21:47:41,924 INFO L444 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2019-11-19 21:47:41,924 INFO L444 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2019-11-19 21:47:41,924 INFO L444 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-11-19 21:47:41,924 INFO L444 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-11-19 21:47:41,924 INFO L444 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-11-19 21:47:41,924 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-11-19 21:47:41,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 09:47:41 BoogieIcfgContainer [2019-11-19 21:47:41,957 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 21:47:41,957 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 21:47:41,957 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 21:47:41,957 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 21:47:41,958 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:47:34" (3/4) ... [2019-11-19 21:47:41,961 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 21:47:41,990 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 21:47:41,991 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 21:47:42,160 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5aa90cad-2abf-4460-8f64-03c1c0dbf4c3/bin/uautomizer/witness.graphml [2019-11-19 21:47:42,161 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 21:47:42,162 INFO L168 Benchmark]: Toolchain (without parser) took 10049.50 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 343.9 MB). Free memory was 944.7 MB in the beginning and 974.1 MB in the end (delta: -29.4 MB). Peak memory consumption was 314.5 MB. Max. memory is 11.5 GB. [2019-11-19 21:47:42,162 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:47:42,162 INFO L168 Benchmark]: CACSL2BoogieTranslator took 586.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -190.5 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-19 21:47:42,163 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 21:47:42,163 INFO L168 Benchmark]: Boogie Preprocessor took 54.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-11-19 21:47:42,163 INFO L168 Benchmark]: RCFGBuilder took 1267.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 116.5 MB). Peak memory consumption was 116.5 MB. Max. memory is 11.5 GB. [2019-11-19 21:47:42,164 INFO L168 Benchmark]: TraceAbstraction took 7848.07 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 179.8 MB). Free memory was 1.0 GB in the beginning and 995.4 MB in the end (delta: 16.9 MB). Peak memory consumption was 196.7 MB. Max. memory is 11.5 GB. [2019-11-19 21:47:42,164 INFO L168 Benchmark]: Witness Printer took 203.72 ms. Allocated memory is still 1.4 GB. Free memory was 995.4 MB in the beginning and 974.1 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2019-11-19 21:47:42,166 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 586.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -190.5 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 85.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1267.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 116.5 MB). Peak memory consumption was 116.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7848.07 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 179.8 MB). Free memory was 1.0 GB in the beginning and 995.4 MB in the end (delta: 16.9 MB). Peak memory consumption was 196.7 MB. Max. memory is 11.5 GB. * Witness Printer took 203.72 ms. Allocated memory is still 1.4 GB. Free memory was 995.4 MB in the beginning and 974.1 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 457]: 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: (((((a19 <= 0 && !(a28 == 11)) || (a19 <= 0 && a17 == 8)) || ((a17 == 8 && a19 == 1) && !(a28 == 11))) || (((a17 <= 7 && a19 == 1) && a28 == 7) && a11 == 1)) || (((a17 <= 7 && !(a25 == 1)) && a19 == 1) && a11 == 1)) || ((a17 == 8 && a19 == 1) && a25 == 1) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((((a19 <= 0 && !(a28 == 11)) || (a19 <= 0 && a17 == 8)) || ((a17 == 8 && a19 == 1) && !(a28 == 11))) || (((a17 <= 7 && a19 == 1) && a28 == 7) && a11 == 1)) || (((a17 <= 7 && !(a25 == 1)) && a19 == 1) && a11 == 1)) || ((a17 == 8 && a19 == 1) && a25 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 7.7s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 1178 SDtfs, 1572 SDslu, 184 SDs, 0 SdLazy, 3564 SolverSat, 755 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 197 GetRequests, 179 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1712occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 855 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 36 NumberOfFragments, 131 HoareAnnotationTreeSize, 3 FomulaSimplifications, 428 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 156 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 1264 NumberOfCodeBlocks, 1264 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1255 ConstructedInterpolants, 0 QuantifiedInterpolants, 350960 SizeOfPredicates, 0 NumberOfNonLiveVariables, 337 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 718/721 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...