./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label38.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7e754a6a-b41e-4121-9059-d593dcf730b5/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7e754a6a-b41e-4121-9059-d593dcf730b5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7e754a6a-b41e-4121-9059-d593dcf730b5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7e754a6a-b41e-4121-9059-d593dcf730b5/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label38.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7e754a6a-b41e-4121-9059-d593dcf730b5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7e754a6a-b41e-4121-9059-d593dcf730b5/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 f6f6898c620b0d8224e47aa166b6d9a445824f7a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 17:13:49,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:13:49,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:13:49,956 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:13:49,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:13:49,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:13:49,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:13:49,960 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:13:49,961 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:13:49,962 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:13:49,963 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:13:49,964 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:13:49,965 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:13:49,966 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:13:49,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:13:49,968 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:13:49,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:13:49,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:13:49,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:13:49,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:13:49,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:13:49,975 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:13:49,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:13:49,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:13:49,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:13:49,979 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:13:49,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:13:49,980 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:13:49,980 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:13:49,981 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:13:49,981 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:13:49,982 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:13:49,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:13:49,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:13:49,984 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:13:49,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:13:49,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:13:49,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:13:49,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:13:49,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:13:49,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:13:49,986 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7e754a6a-b41e-4121-9059-d593dcf730b5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 17:13:49,998 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:13:49,998 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:13:49,998 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:13:49,999 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:13:49,999 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:13:49,999 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:13:49,999 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:13:49,999 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:13:49,999 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:13:49,999 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:13:49,999 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:13:50,000 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:13:50,000 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:13:50,000 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:13:50,000 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:13:50,000 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:13:50,000 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:13:50,000 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:13:50,001 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:13:50,001 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:13:50,001 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:13:50,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:13:50,001 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:13:50,001 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:13:50,001 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:13:50,001 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:13:50,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 17:13:50,002 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:13:50,002 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:13:50,002 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_7e754a6a-b41e-4121-9059-d593dcf730b5/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 -> f6f6898c620b0d8224e47aa166b6d9a445824f7a [2019-12-07 17:13:50,111 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:13:50,121 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:13:50,124 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:13:50,125 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:13:50,125 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:13:50,126 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7e754a6a-b41e-4121-9059-d593dcf730b5/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem03_label38.c [2019-12-07 17:13:50,170 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7e754a6a-b41e-4121-9059-d593dcf730b5/bin/uautomizer/data/3d54d027c/57ba13ea84af485398f510513f3d82de/FLAGa0dc42def [2019-12-07 17:13:50,681 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:13:50,682 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7e754a6a-b41e-4121-9059-d593dcf730b5/sv-benchmarks/c/eca-rers2012/Problem03_label38.c [2019-12-07 17:13:50,695 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7e754a6a-b41e-4121-9059-d593dcf730b5/bin/uautomizer/data/3d54d027c/57ba13ea84af485398f510513f3d82de/FLAGa0dc42def [2019-12-07 17:13:51,195 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7e754a6a-b41e-4121-9059-d593dcf730b5/bin/uautomizer/data/3d54d027c/57ba13ea84af485398f510513f3d82de [2019-12-07 17:13:51,197 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:13:51,198 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:13:51,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:13:51,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:13:51,201 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:13:51,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:13:51" (1/1) ... [2019-12-07 17:13:51,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52d8b65b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:51, skipping insertion in model container [2019-12-07 17:13:51,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:13:51" (1/1) ... [2019-12-07 17:13:51,207 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:13:51,253 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:13:51,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:13:51,672 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:13:51,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:13:51,837 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:13:51,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:51 WrapperNode [2019-12-07 17:13:51,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:13:51,838 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:13:51,838 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:13:51,838 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:13:51,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:51" (1/1) ... [2019-12-07 17:13:51,870 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:51" (1/1) ... [2019-12-07 17:13:51,936 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:13:51,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:13:51,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:13:51,936 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:13:51,942 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:51" (1/1) ... [2019-12-07 17:13:51,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:51" (1/1) ... [2019-12-07 17:13:51,952 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:51" (1/1) ... [2019-12-07 17:13:51,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:51" (1/1) ... [2019-12-07 17:13:51,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:51" (1/1) ... [2019-12-07 17:13:51,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:51" (1/1) ... [2019-12-07 17:13:52,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:51" (1/1) ... [2019-12-07 17:13:52,016 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:13:52,017 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:13:52,017 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:13:52,017 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:13:52,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e754a6a-b41e-4121-9059-d593dcf730b5/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 [2019-12-07 17:13:52,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:13:52,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:13:53,202 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:13:53,203 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 17:13:53,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:13:53 BoogieIcfgContainer [2019-12-07 17:13:53,204 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:13:53,204 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:13:53,204 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:13:53,206 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:13:53,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:13:51" (1/3) ... [2019-12-07 17:13:53,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@297b37b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:13:53, skipping insertion in model container [2019-12-07 17:13:53,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:51" (2/3) ... [2019-12-07 17:13:53,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@297b37b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:13:53, skipping insertion in model container [2019-12-07 17:13:53,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:13:53" (3/3) ... [2019-12-07 17:13:53,208 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem03_label38.c [2019-12-07 17:13:53,215 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:13:53,219 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 17:13:53,227 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 17:13:53,249 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:13:53,249 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:13:53,249 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:13:53,250 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:13:53,250 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:13:53,250 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:13:53,250 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:13:53,250 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:13:53,267 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states. [2019-12-07 17:13:53,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-12-07 17:13:53,283 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:13:53,284 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:13:53,284 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:13:53,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:13:53,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1825602715, now seen corresponding path program 1 times [2019-12-07 17:13:53,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:13:53,297 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145032955] [2019-12-07 17:13:53,297 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:13:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:13:53,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:13:53,658 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145032955] [2019-12-07 17:13:53,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:13:53,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:13:53,660 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437541237] [2019-12-07 17:13:53,664 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:13:53,664 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:13:53,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:13:53,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:13:53,674 INFO L87 Difference]: Start difference. First operand 302 states. Second operand 3 states. [2019-12-07 17:13:54,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:13:54,570 INFO L93 Difference]: Finished difference Result 829 states and 1478 transitions. [2019-12-07 17:13:54,571 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:13:54,572 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 201 [2019-12-07 17:13:54,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:13:54,584 INFO L225 Difference]: With dead ends: 829 [2019-12-07 17:13:54,584 INFO L226 Difference]: Without dead ends: 463 [2019-12-07 17:13:54,588 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 [2019-12-07 17:13:54,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2019-12-07 17:13:54,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 449. [2019-12-07 17:13:54,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2019-12-07 17:13:54,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 725 transitions. [2019-12-07 17:13:54,638 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 725 transitions. Word has length 201 [2019-12-07 17:13:54,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:13:54,639 INFO L462 AbstractCegarLoop]: Abstraction has 449 states and 725 transitions. [2019-12-07 17:13:54,639 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:13:54,639 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 725 transitions. [2019-12-07 17:13:54,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-12-07 17:13:54,643 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:13:54,643 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:13:54,644 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:13:54,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:13:54,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1178885579, now seen corresponding path program 1 times [2019-12-07 17:13:54,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:13:54,645 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577576993] [2019-12-07 17:13:54,645 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:13:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:13:54,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:13:54,739 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577576993] [2019-12-07 17:13:54,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:13:54,740 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:13:54,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683696152] [2019-12-07 17:13:54,741 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 17:13:54,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:13:54,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 17:13:54,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:13:54,742 INFO L87 Difference]: Start difference. First operand 449 states and 725 transitions. Second operand 4 states. [2019-12-07 17:13:55,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:13:55,788 INFO L93 Difference]: Finished difference Result 1737 states and 2828 transitions. [2019-12-07 17:13:55,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 17:13:55,788 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 206 [2019-12-07 17:13:55,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:13:55,795 INFO L225 Difference]: With dead ends: 1737 [2019-12-07 17:13:55,795 INFO L226 Difference]: Without dead ends: 1290 [2019-12-07 17:13:55,797 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 [2019-12-07 17:13:55,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1290 states. [2019-12-07 17:13:55,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1290 to 859. [2019-12-07 17:13:55,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 859 states. [2019-12-07 17:13:55,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 1316 transitions. [2019-12-07 17:13:55,824 INFO L78 Accepts]: Start accepts. Automaton has 859 states and 1316 transitions. Word has length 206 [2019-12-07 17:13:55,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:13:55,824 INFO L462 AbstractCegarLoop]: Abstraction has 859 states and 1316 transitions. [2019-12-07 17:13:55,824 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 17:13:55,824 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1316 transitions. [2019-12-07 17:13:55,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2019-12-07 17:13:55,828 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:13:55,828 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:13:55,828 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:13:55,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:13:55,829 INFO L82 PathProgramCache]: Analyzing trace with hash -1955705264, now seen corresponding path program 1 times [2019-12-07 17:13:55,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:13:55,829 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203690872] [2019-12-07 17:13:55,829 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:13:55,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:13:55,971 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:13:55,971 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203690872] [2019-12-07 17:13:55,972 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:13:55,972 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:13:55,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017658967] [2019-12-07 17:13:55,972 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:13:55,972 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:13:55,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:13:55,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:13:55,973 INFO L87 Difference]: Start difference. First operand 859 states and 1316 transitions. Second operand 3 states. [2019-12-07 17:13:56,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:13:56,663 INFO L93 Difference]: Finished difference Result 2541 states and 3899 transitions. [2019-12-07 17:13:56,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:13:56,663 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 208 [2019-12-07 17:13:56,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:13:56,670 INFO L225 Difference]: With dead ends: 2541 [2019-12-07 17:13:56,671 INFO L226 Difference]: Without dead ends: 1684 [2019-12-07 17:13:56,672 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 [2019-12-07 17:13:56,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1684 states. [2019-12-07 17:13:56,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1684 to 1683. [2019-12-07 17:13:56,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1683 states. [2019-12-07 17:13:56,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1683 states to 1683 states and 2433 transitions. [2019-12-07 17:13:56,700 INFO L78 Accepts]: Start accepts. Automaton has 1683 states and 2433 transitions. Word has length 208 [2019-12-07 17:13:56,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:13:56,701 INFO L462 AbstractCegarLoop]: Abstraction has 1683 states and 2433 transitions. [2019-12-07 17:13:56,701 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:13:56,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1683 states and 2433 transitions. [2019-12-07 17:13:56,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2019-12-07 17:13:56,705 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:13:56,705 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:13:56,705 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:13:56,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:13:56,706 INFO L82 PathProgramCache]: Analyzing trace with hash -577423835, now seen corresponding path program 1 times [2019-12-07 17:13:56,706 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:13:56,706 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113661648] [2019-12-07 17:13:56,706 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:13:56,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:13:56,768 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-07 17:13:56,768 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113661648] [2019-12-07 17:13:56,768 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:13:56,768 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:13:56,769 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379209263] [2019-12-07 17:13:56,769 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:13:56,769 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:13:56,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:13:56,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:13:56,770 INFO L87 Difference]: Start difference. First operand 1683 states and 2433 transitions. Second operand 3 states. [2019-12-07 17:13:57,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:13:57,483 INFO L93 Difference]: Finished difference Result 4189 states and 6035 transitions. [2019-12-07 17:13:57,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:13:57,483 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 216 [2019-12-07 17:13:57,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:13:57,493 INFO L225 Difference]: With dead ends: 4189 [2019-12-07 17:13:57,493 INFO L226 Difference]: Without dead ends: 2508 [2019-12-07 17:13:57,495 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 [2019-12-07 17:13:57,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2508 states. [2019-12-07 17:13:57,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2508 to 2507. [2019-12-07 17:13:57,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2507 states. [2019-12-07 17:13:57,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2507 states to 2507 states and 3546 transitions. [2019-12-07 17:13:57,528 INFO L78 Accepts]: Start accepts. Automaton has 2507 states and 3546 transitions. Word has length 216 [2019-12-07 17:13:57,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:13:57,528 INFO L462 AbstractCegarLoop]: Abstraction has 2507 states and 3546 transitions. [2019-12-07 17:13:57,528 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:13:57,528 INFO L276 IsEmpty]: Start isEmpty. Operand 2507 states and 3546 transitions. [2019-12-07 17:13:57,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-12-07 17:13:57,532 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:13:57,533 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:13:57,533 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:13:57,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:13:57,533 INFO L82 PathProgramCache]: Analyzing trace with hash -2019535467, now seen corresponding path program 1 times [2019-12-07 17:13:57,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:13:57,533 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816121240] [2019-12-07 17:13:57,533 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:13:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:13:57,586 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-07 17:13:57,586 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816121240] [2019-12-07 17:13:57,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:13:57,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:13:57,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878422400] [2019-12-07 17:13:57,587 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:13:57,587 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:13:57,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:13:57,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:13:57,587 INFO L87 Difference]: Start difference. First operand 2507 states and 3546 transitions. Second operand 3 states. [2019-12-07 17:13:57,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:13:57,895 INFO L93 Difference]: Finished difference Result 7497 states and 10609 transitions. [2019-12-07 17:13:57,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:13:57,895 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 221 [2019-12-07 17:13:57,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:13:57,914 INFO L225 Difference]: With dead ends: 7497 [2019-12-07 17:13:57,915 INFO L226 Difference]: Without dead ends: 4992 [2019-12-07 17:13:57,918 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 [2019-12-07 17:13:57,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4992 states. [2019-12-07 17:13:58,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4992 to 4989. [2019-12-07 17:13:58,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4989 states. [2019-12-07 17:13:58,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4989 states to 4989 states and 7044 transitions. [2019-12-07 17:13:58,028 INFO L78 Accepts]: Start accepts. Automaton has 4989 states and 7044 transitions. Word has length 221 [2019-12-07 17:13:58,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:13:58,028 INFO L462 AbstractCegarLoop]: Abstraction has 4989 states and 7044 transitions. [2019-12-07 17:13:58,028 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:13:58,028 INFO L276 IsEmpty]: Start isEmpty. Operand 4989 states and 7044 transitions. [2019-12-07 17:13:58,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2019-12-07 17:13:58,035 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:13:58,035 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:13:58,036 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:13:58,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:13:58,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1510049729, now seen corresponding path program 1 times [2019-12-07 17:13:58,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:13:58,036 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511157369] [2019-12-07 17:13:58,036 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:13:58,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:13:58,103 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-07 17:13:58,103 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511157369] [2019-12-07 17:13:58,104 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217457015] [2019-12-07 17:13:58,104 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e754a6a-b41e-4121-9059-d593dcf730b5/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 [2019-12-07 17:13:58,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:13:58,200 INFO L264 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:13:58,210 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:13:58,251 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-07 17:13:58,251 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 17:13:58,251 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 3 [2019-12-07 17:13:58,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347611106] [2019-12-07 17:13:58,252 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:13:58,252 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:13:58,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:13:58,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:13:58,252 INFO L87 Difference]: Start difference. First operand 4989 states and 7044 transitions. Second operand 3 states. [2019-12-07 17:13:58,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:13:58,529 INFO L93 Difference]: Finished difference Result 14957 states and 21122 transitions. [2019-12-07 17:13:58,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:13:58,529 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 230 [2019-12-07 17:13:58,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:13:58,577 INFO L225 Difference]: With dead ends: 14957 [2019-12-07 17:13:58,578 INFO L226 Difference]: Without dead ends: 9970 [2019-12-07 17:13:58,583 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:13:58,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9970 states. [2019-12-07 17:13:58,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9970 to 9968. [2019-12-07 17:13:58,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9968 states. [2019-12-07 17:13:58,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9968 states to 9968 states and 14047 transitions. [2019-12-07 17:13:58,763 INFO L78 Accepts]: Start accepts. Automaton has 9968 states and 14047 transitions. Word has length 230 [2019-12-07 17:13:58,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:13:58,763 INFO L462 AbstractCegarLoop]: Abstraction has 9968 states and 14047 transitions. [2019-12-07 17:13:58,763 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:13:58,764 INFO L276 IsEmpty]: Start isEmpty. Operand 9968 states and 14047 transitions. [2019-12-07 17:13:58,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-12-07 17:13:58,778 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:13:58,778 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:13:58,978 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:13:58,979 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:13:58,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:13:58,979 INFO L82 PathProgramCache]: Analyzing trace with hash -165449129, now seen corresponding path program 1 times [2019-12-07 17:13:58,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:13:58,979 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039319562] [2019-12-07 17:13:58,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:13:58,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:13:59,081 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:13:59,081 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039319562] [2019-12-07 17:13:59,081 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:13:59,082 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 17:13:59,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490393219] [2019-12-07 17:13:59,082 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 17:13:59,082 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:13:59,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 17:13:59,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-07 17:13:59,083 INFO L87 Difference]: Start difference. First operand 9968 states and 14047 transitions. Second operand 5 states. [2019-12-07 17:14:00,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:14:00,504 INFO L93 Difference]: Finished difference Result 22448 states and 31892 transitions. [2019-12-07 17:14:00,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 17:14:00,504 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 239 [2019-12-07 17:14:00,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:14:00,539 INFO L225 Difference]: With dead ends: 22448 [2019-12-07 17:14:00,539 INFO L226 Difference]: Without dead ends: 12482 [2019-12-07 17:14:00,551 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-07 17:14:00,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12482 states. [2019-12-07 17:14:00,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12482 to 10780. [2019-12-07 17:14:00,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10780 states. [2019-12-07 17:14:00,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10780 states to 10780 states and 15197 transitions. [2019-12-07 17:14:00,681 INFO L78 Accepts]: Start accepts. Automaton has 10780 states and 15197 transitions. Word has length 239 [2019-12-07 17:14:00,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:14:00,681 INFO L462 AbstractCegarLoop]: Abstraction has 10780 states and 15197 transitions. [2019-12-07 17:14:00,681 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 17:14:00,681 INFO L276 IsEmpty]: Start isEmpty. Operand 10780 states and 15197 transitions. [2019-12-07 17:14:00,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-12-07 17:14:00,694 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:14:00,694 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:14:00,694 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:14:00,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:14:00,694 INFO L82 PathProgramCache]: Analyzing trace with hash -2048084382, now seen corresponding path program 1 times [2019-12-07 17:14:00,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:14:00,695 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042034477] [2019-12-07 17:14:00,695 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:14:00,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:14:00,763 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 17:14:00,763 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042034477] [2019-12-07 17:14:00,763 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:14:00,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:14:00,763 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064992801] [2019-12-07 17:14:00,764 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:14:00,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:14:00,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:14:00,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:14:00,764 INFO L87 Difference]: Start difference. First operand 10780 states and 15197 transitions. Second operand 3 states. [2019-12-07 17:14:01,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:14:01,475 INFO L93 Difference]: Finished difference Result 21582 states and 30438 transitions. [2019-12-07 17:14:01,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:14:01,475 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 239 [2019-12-07 17:14:01,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:14:01,486 INFO L225 Difference]: With dead ends: 21582 [2019-12-07 17:14:01,487 INFO L226 Difference]: Without dead ends: 10804 [2019-12-07 17:14:01,493 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 [2019-12-07 17:14:01,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10804 states. [2019-12-07 17:14:01,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10804 to 10780. [2019-12-07 17:14:01,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10780 states. [2019-12-07 17:14:01,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10780 states to 10780 states and 14411 transitions. [2019-12-07 17:14:01,579 INFO L78 Accepts]: Start accepts. Automaton has 10780 states and 14411 transitions. Word has length 239 [2019-12-07 17:14:01,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:14:01,580 INFO L462 AbstractCegarLoop]: Abstraction has 10780 states and 14411 transitions. [2019-12-07 17:14:01,580 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:14:01,580 INFO L276 IsEmpty]: Start isEmpty. Operand 10780 states and 14411 transitions. [2019-12-07 17:14:01,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-12-07 17:14:01,591 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:14:01,591 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:14:01,591 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:14:01,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:14:01,592 INFO L82 PathProgramCache]: Analyzing trace with hash 543919919, now seen corresponding path program 1 times [2019-12-07 17:14:01,592 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:14:01,592 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657325789] [2019-12-07 17:14:01,592 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:14:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:14:01,654 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-07 17:14:01,654 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657325789] [2019-12-07 17:14:01,654 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:14:01,654 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:14:01,654 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696155551] [2019-12-07 17:14:01,655 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 17:14:01,655 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:14:01,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 17:14:01,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:14:01,655 INFO L87 Difference]: Start difference. First operand 10780 states and 14411 transitions. Second operand 4 states. [2019-12-07 17:14:02,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:14:02,639 INFO L93 Difference]: Finished difference Result 39482 states and 52679 transitions. [2019-12-07 17:14:02,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 17:14:02,640 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 239 [2019-12-07 17:14:02,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:14:02,694 INFO L225 Difference]: With dead ends: 39482 [2019-12-07 17:14:02,694 INFO L226 Difference]: Without dead ends: 28704 [2019-12-07 17:14:02,707 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:14:02,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28704 states. [2019-12-07 17:14:02,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28704 to 20132. [2019-12-07 17:14:02,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20132 states. [2019-12-07 17:14:02,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20132 states to 20132 states and 26025 transitions. [2019-12-07 17:14:02,924 INFO L78 Accepts]: Start accepts. Automaton has 20132 states and 26025 transitions. Word has length 239 [2019-12-07 17:14:02,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:14:02,924 INFO L462 AbstractCegarLoop]: Abstraction has 20132 states and 26025 transitions. [2019-12-07 17:14:02,924 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 17:14:02,924 INFO L276 IsEmpty]: Start isEmpty. Operand 20132 states and 26025 transitions. [2019-12-07 17:14:02,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-12-07 17:14:02,946 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:14:02,946 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:14:02,946 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:14:02,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:14:02,946 INFO L82 PathProgramCache]: Analyzing trace with hash 1047521392, now seen corresponding path program 1 times [2019-12-07 17:14:02,947 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:14:02,947 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101498522] [2019-12-07 17:14:02,947 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:14:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:14:03,051 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-07 17:14:03,051 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101498522] [2019-12-07 17:14:03,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:14:03,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:14:03,052 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308857222] [2019-12-07 17:14:03,052 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:14:03,052 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:14:03,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:14:03,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:14:03,053 INFO L87 Difference]: Start difference. First operand 20132 states and 26025 transitions. Second operand 3 states. [2019-12-07 17:14:03,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:14:03,799 INFO L93 Difference]: Finished difference Result 55495 states and 71437 transitions. [2019-12-07 17:14:03,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:14:03,799 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 245 [2019-12-07 17:14:03,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:14:03,831 INFO L225 Difference]: With dead ends: 55495 [2019-12-07 17:14:03,831 INFO L226 Difference]: Without dead ends: 35365 [2019-12-07 17:14:03,848 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:14:03,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35365 states. [2019-12-07 17:14:04,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35365 to 35357. [2019-12-07 17:14:04,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35357 states. [2019-12-07 17:14:04,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35357 states to 35357 states and 41632 transitions. [2019-12-07 17:14:04,102 INFO L78 Accepts]: Start accepts. Automaton has 35357 states and 41632 transitions. Word has length 245 [2019-12-07 17:14:04,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:14:04,102 INFO L462 AbstractCegarLoop]: Abstraction has 35357 states and 41632 transitions. [2019-12-07 17:14:04,102 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:14:04,102 INFO L276 IsEmpty]: Start isEmpty. Operand 35357 states and 41632 transitions. [2019-12-07 17:14:04,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2019-12-07 17:14:04,121 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:14:04,121 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:14:04,121 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:14:04,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:14:04,122 INFO L82 PathProgramCache]: Analyzing trace with hash 195659315, now seen corresponding path program 1 times [2019-12-07 17:14:04,122 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:14:04,122 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449839611] [2019-12-07 17:14:04,122 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:14:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:14:04,247 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-07 17:14:04,248 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449839611] [2019-12-07 17:14:04,248 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051304530] [2019-12-07 17:14:04,248 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e754a6a-b41e-4121-9059-d593dcf730b5/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:14:04,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:14:04,344 INFO L264 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 17:14:04,348 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:14:04,459 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-12-07 17:14:04,459 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 17:14:04,459 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2019-12-07 17:14:04,460 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495469070] [2019-12-07 17:14:04,460 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:14:04,460 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:14:04,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:14:04,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-12-07 17:14:04,460 INFO L87 Difference]: Start difference. First operand 35357 states and 41632 transitions. Second operand 3 states. [2019-12-07 17:14:04,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:14:04,854 INFO L93 Difference]: Finished difference Result 102510 states and 120668 transitions. [2019-12-07 17:14:04,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:14:04,854 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 269 [2019-12-07 17:14:04,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:14:04,907 INFO L225 Difference]: With dead ends: 102510 [2019-12-07 17:14:04,907 INFO L226 Difference]: Without dead ends: 67155 [2019-12-07 17:14:04,928 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-12-07 17:14:04,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67155 states. [2019-12-07 17:14:05,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67155 to 67149. [2019-12-07 17:14:05,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67149 states. [2019-12-07 17:14:05,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67149 states to 67149 states and 79021 transitions. [2019-12-07 17:14:05,451 INFO L78 Accepts]: Start accepts. Automaton has 67149 states and 79021 transitions. Word has length 269 [2019-12-07 17:14:05,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:14:05,452 INFO L462 AbstractCegarLoop]: Abstraction has 67149 states and 79021 transitions. [2019-12-07 17:14:05,452 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:14:05,452 INFO L276 IsEmpty]: Start isEmpty. Operand 67149 states and 79021 transitions. [2019-12-07 17:14:05,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2019-12-07 17:14:05,481 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:14:05,481 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:14:05,682 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:14:05,682 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:14:05,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:14:05,683 INFO L82 PathProgramCache]: Analyzing trace with hash -515489302, now seen corresponding path program 1 times [2019-12-07 17:14:05,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:14:05,683 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848766688] [2019-12-07 17:14:05,683 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:14:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:14:05,765 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-07 17:14:05,765 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848766688] [2019-12-07 17:14:05,765 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:14:05,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:14:05,766 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699882826] [2019-12-07 17:14:05,766 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:14:05,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:14:05,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:14:05,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:14:05,766 INFO L87 Difference]: Start difference. First operand 67149 states and 79021 transitions. Second operand 3 states. [2019-12-07 17:14:06,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:14:06,716 INFO L93 Difference]: Finished difference Result 159671 states and 190266 transitions. [2019-12-07 17:14:06,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:14:06,717 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 278 [2019-12-07 17:14:06,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:14:06,792 INFO L225 Difference]: With dead ends: 159671 [2019-12-07 17:14:06,792 INFO L226 Difference]: Without dead ends: 92524 [2019-12-07 17:14:06,822 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:14:06,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92524 states. [2019-12-07 17:14:07,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92524 to 92524. [2019-12-07 17:14:07,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92524 states. [2019-12-07 17:14:07,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92524 states to 92524 states and 106045 transitions. [2019-12-07 17:14:07,569 INFO L78 Accepts]: Start accepts. Automaton has 92524 states and 106045 transitions. Word has length 278 [2019-12-07 17:14:07,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:14:07,569 INFO L462 AbstractCegarLoop]: Abstraction has 92524 states and 106045 transitions. [2019-12-07 17:14:07,569 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:14:07,569 INFO L276 IsEmpty]: Start isEmpty. Operand 92524 states and 106045 transitions. [2019-12-07 17:14:07,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2019-12-07 17:14:07,605 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:14:07,606 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:14:07,606 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:14:07,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:14:07,606 INFO L82 PathProgramCache]: Analyzing trace with hash 571873565, now seen corresponding path program 1 times [2019-12-07 17:14:07,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:14:07,607 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609641295] [2019-12-07 17:14:07,607 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:14:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:14:07,815 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-12-07 17:14:07,815 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609641295] [2019-12-07 17:14:07,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:14:07,816 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:14:07,816 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360136643] [2019-12-07 17:14:07,816 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 17:14:07,816 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:14:07,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 17:14:07,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 17:14:07,816 INFO L87 Difference]: Start difference. First operand 92524 states and 106045 transitions. Second operand 4 states. [2019-12-07 17:14:09,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:14:09,181 INFO L93 Difference]: Finished difference Result 256447 states and 294319 transitions. [2019-12-07 17:14:09,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 17:14:09,182 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 299 [2019-12-07 17:14:09,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:14:09,323 INFO L225 Difference]: With dead ends: 256447 [2019-12-07 17:14:09,323 INFO L226 Difference]: Without dead ends: 163925 [2019-12-07 17:14:09,372 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 [2019-12-07 17:14:09,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163925 states. [2019-12-07 17:14:10,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163925 to 126425. [2019-12-07 17:14:10,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126425 states. [2019-12-07 17:14:10,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126425 states to 126425 states and 145685 transitions. [2019-12-07 17:14:10,671 INFO L78 Accepts]: Start accepts. Automaton has 126425 states and 145685 transitions. Word has length 299 [2019-12-07 17:14:10,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:14:10,672 INFO L462 AbstractCegarLoop]: Abstraction has 126425 states and 145685 transitions. [2019-12-07 17:14:10,672 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 17:14:10,672 INFO L276 IsEmpty]: Start isEmpty. Operand 126425 states and 145685 transitions. [2019-12-07 17:14:10,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2019-12-07 17:14:10,720 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:14:10,720 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:14:10,721 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:14:10,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:14:10,721 INFO L82 PathProgramCache]: Analyzing trace with hash -1000248581, now seen corresponding path program 1 times [2019-12-07 17:14:10,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:14:10,721 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719451859] [2019-12-07 17:14:10,721 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:14:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:14:10,834 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-07 17:14:10,834 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719451859] [2019-12-07 17:14:10,834 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:14:10,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:14:10,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855350200] [2019-12-07 17:14:10,835 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:14:10,835 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:14:10,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:14:10,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:14:10,835 INFO L87 Difference]: Start difference. First operand 126425 states and 145685 transitions. Second operand 3 states. [2019-12-07 17:14:11,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:14:11,631 INFO L93 Difference]: Finished difference Result 252840 states and 291360 transitions. [2019-12-07 17:14:11,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:14:11,632 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 326 [2019-12-07 17:14:11,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:14:11,754 INFO L225 Difference]: With dead ends: 252840 [2019-12-07 17:14:11,755 INFO L226 Difference]: Without dead ends: 126417 [2019-12-07 17:14:11,812 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 [2019-12-07 17:14:11,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126417 states. [2019-12-07 17:14:12,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126417 to 126417. [2019-12-07 17:14:12,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126417 states. [2019-12-07 17:14:13,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126417 states to 126417 states and 145661 transitions. [2019-12-07 17:14:13,071 INFO L78 Accepts]: Start accepts. Automaton has 126417 states and 145661 transitions. Word has length 326 [2019-12-07 17:14:13,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:14:13,072 INFO L462 AbstractCegarLoop]: Abstraction has 126417 states and 145661 transitions. [2019-12-07 17:14:13,072 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:14:13,072 INFO L276 IsEmpty]: Start isEmpty. Operand 126417 states and 145661 transitions. [2019-12-07 17:14:13,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2019-12-07 17:14:13,120 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:14:13,120 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:14:13,120 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:14:13,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:14:13,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1115478692, now seen corresponding path program 1 times [2019-12-07 17:14:13,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:14:13,121 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502293244] [2019-12-07 17:14:13,121 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:14:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:14:13,231 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2019-12-07 17:14:13,232 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502293244] [2019-12-07 17:14:13,232 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:14:13,232 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:14:13,232 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536633492] [2019-12-07 17:14:13,232 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:14:13,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:14:13,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:14:13,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:14:13,233 INFO L87 Difference]: Start difference. First operand 126417 states and 145661 transitions. Second operand 3 states. [2019-12-07 17:14:14,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:14:14,295 INFO L93 Difference]: Finished difference Result 233377 states and 268997 transitions. [2019-12-07 17:14:14,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:14:14,296 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 327 [2019-12-07 17:14:14,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:14:14,395 INFO L225 Difference]: With dead ends: 233377 [2019-12-07 17:14:14,395 INFO L226 Difference]: Without dead ends: 106962 [2019-12-07 17:14:14,425 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 [2019-12-07 17:14:14,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106962 states. [2019-12-07 17:14:15,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106962 to 60220. [2019-12-07 17:14:15,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60220 states. [2019-12-07 17:14:15,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60220 states to 60220 states and 68997 transitions. [2019-12-07 17:14:15,111 INFO L78 Accepts]: Start accepts. Automaton has 60220 states and 68997 transitions. Word has length 327 [2019-12-07 17:14:15,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:14:15,111 INFO L462 AbstractCegarLoop]: Abstraction has 60220 states and 68997 transitions. [2019-12-07 17:14:15,111 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:14:15,112 INFO L276 IsEmpty]: Start isEmpty. Operand 60220 states and 68997 transitions. [2019-12-07 17:14:15,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2019-12-07 17:14:15,131 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:14:15,131 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:14:15,131 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:14:15,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:14:15,132 INFO L82 PathProgramCache]: Analyzing trace with hash -1143996101, now seen corresponding path program 1 times [2019-12-07 17:14:15,132 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:14:15,132 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693655272] [2019-12-07 17:14:15,132 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:14:15,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:14:15,247 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 100 proven. 3 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2019-12-07 17:14:15,247 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693655272] [2019-12-07 17:14:15,247 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881632472] [2019-12-07 17:14:15,247 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e754a6a-b41e-4121-9059-d593dcf730b5/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:14:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:14:15,365 INFO L264 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 17:14:15,370 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:14:15,424 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-12-07 17:14:15,424 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 17:14:15,425 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-12-07 17:14:15,425 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58396659] [2019-12-07 17:14:15,425 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:14:15,425 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:14:15,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:14:15,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 17:14:15,425 INFO L87 Difference]: Start difference. First operand 60220 states and 68997 transitions. Second operand 3 states. [2019-12-07 17:14:16,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:14:16,177 INFO L93 Difference]: Finished difference Result 123718 states and 141396 transitions. [2019-12-07 17:14:16,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:14:16,178 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 332 [2019-12-07 17:14:16,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:14:16,178 INFO L225 Difference]: With dead ends: 123718 [2019-12-07 17:14:16,178 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 17:14:16,205 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 17:14:16,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 17:14:16,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 17:14:16,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 17:14:16,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 17:14:16,206 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 332 [2019-12-07 17:14:16,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:14:16,206 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:14:16,206 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:14:16,206 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:14:16,207 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 17:14:16,407 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 17:14:16,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 17:14:18,421 WARN L192 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 1506 DAG size of output: 491 [2019-12-07 17:14:19,869 WARN L192 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1506 DAG size of output: 491 [2019-12-07 17:14:21,394 WARN L192 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 436 DAG size of output: 55 [2019-12-07 17:14:22,896 WARN L192 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 436 DAG size of output: 55 [2019-12-07 17:14:22,899 INFO L246 CegarLoopResult]: For program point L498(lines 498 511) no Hoare annotation was computed. [2019-12-07 17:14:22,899 INFO L246 CegarLoopResult]: For program point L498-2(lines 498 511) no Hoare annotation was computed. [2019-12-07 17:14:22,899 INFO L246 CegarLoopResult]: For program point L1423(lines 1423 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,899 INFO L246 CegarLoopResult]: For program point L366(lines 366 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,899 INFO L246 CegarLoopResult]: For program point L1622-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,899 INFO L246 CegarLoopResult]: For program point L1556-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,899 INFO L246 CegarLoopResult]: For program point L1490-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,899 INFO L246 CegarLoopResult]: For program point L301(lines 301 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,899 INFO L246 CegarLoopResult]: For program point L1226(lines 1226 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,899 INFO L246 CegarLoopResult]: For program point L1623(line 1623) no Hoare annotation was computed. [2019-12-07 17:14:22,899 INFO L246 CegarLoopResult]: For program point L566(lines 566 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,899 INFO L246 CegarLoopResult]: For program point L1557(line 1557) no Hoare annotation was computed. [2019-12-07 17:14:22,899 INFO L246 CegarLoopResult]: For program point L1491(line 1491) no Hoare annotation was computed. [2019-12-07 17:14:22,900 INFO L246 CegarLoopResult]: For program point L434(lines 434 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,900 INFO L246 CegarLoopResult]: For program point L1359(lines 1359 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,900 INFO L246 CegarLoopResult]: For program point L1095(lines 1095 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,900 INFO L246 CegarLoopResult]: For program point L633(lines 633 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,900 INFO L246 CegarLoopResult]: For program point L1360(lines 1360 1379) no Hoare annotation was computed. [2019-12-07 17:14:22,900 INFO L246 CegarLoopResult]: For program point L1360-2(lines 1360 1379) no Hoare annotation was computed. [2019-12-07 17:14:22,900 INFO L246 CegarLoopResult]: For program point L1162(lines 1162 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,900 INFO L246 CegarLoopResult]: For program point L105(lines 105 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,900 INFO L246 CegarLoopResult]: For program point L1625-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,900 INFO L246 CegarLoopResult]: For program point L1559-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,900 INFO L246 CegarLoopResult]: For program point L1493-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,900 INFO L246 CegarLoopResult]: For program point L238(lines 238 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,900 INFO L246 CegarLoopResult]: For program point L172(lines 172 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,900 INFO L246 CegarLoopResult]: For program point L1031(lines 1031 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,900 INFO L246 CegarLoopResult]: For program point L899(lines 899 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,901 INFO L246 CegarLoopResult]: For program point L701(lines 701 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,901 INFO L246 CegarLoopResult]: For program point L1626(line 1626) no Hoare annotation was computed. [2019-12-07 17:14:22,901 INFO L246 CegarLoopResult]: For program point L1560(line 1560) no Hoare annotation was computed. [2019-12-07 17:14:22,901 INFO L246 CegarLoopResult]: For program point L1494(line 1494) no Hoare annotation was computed. [2019-12-07 17:14:22,901 INFO L246 CegarLoopResult]: For program point L966(lines 966 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,901 INFO L246 CegarLoopResult]: For program point L769(lines 769 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,901 INFO L246 CegarLoopResult]: For program point L1628-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,901 INFO L246 CegarLoopResult]: For program point L1562-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,901 INFO L246 CegarLoopResult]: For program point L1496-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,901 INFO L246 CegarLoopResult]: For program point L836(lines 836 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,901 INFO L246 CegarLoopResult]: For program point L1629(line 1629) no Hoare annotation was computed. [2019-12-07 17:14:22,901 INFO L246 CegarLoopResult]: For program point L1563(line 1563) no Hoare annotation was computed. [2019-12-07 17:14:22,901 INFO L246 CegarLoopResult]: For program point L1497(line 1497) no Hoare annotation was computed. [2019-12-07 17:14:22,901 INFO L246 CegarLoopResult]: For program point L441(lines 441 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,902 INFO L246 CegarLoopResult]: For program point L1432(lines 1432 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,902 INFO L246 CegarLoopResult]: For program point L574(lines 574 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,902 INFO L246 CegarLoopResult]: For program point L1631-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,902 INFO L246 CegarLoopResult]: For program point L1565-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,902 INFO L246 CegarLoopResult]: For program point L1499-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,902 INFO L246 CegarLoopResult]: For program point L1632(line 1632) no Hoare annotation was computed. [2019-12-07 17:14:22,902 INFO L246 CegarLoopResult]: For program point L1566(line 1566) no Hoare annotation was computed. [2019-12-07 17:14:22,902 INFO L246 CegarLoopResult]: For program point L1500(line 1500) no Hoare annotation was computed. [2019-12-07 17:14:22,902 INFO L246 CegarLoopResult]: For program point L377(lines 377 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,902 INFO L246 CegarLoopResult]: For program point L1104(lines 1104 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,902 INFO L246 CegarLoopResult]: For program point L1038(lines 1038 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,902 INFO L246 CegarLoopResult]: For program point L378(lines 378 395) no Hoare annotation was computed. [2019-12-07 17:14:22,902 INFO L246 CegarLoopResult]: For program point L312(lines 312 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,902 INFO L246 CegarLoopResult]: For program point L378-2(lines 378 395) no Hoare annotation was computed. [2019-12-07 17:14:22,902 INFO L246 CegarLoopResult]: For program point L1237(lines 1237 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,903 INFO L246 CegarLoopResult]: For program point L114(lines 114 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,903 INFO L246 CegarLoopResult]: For program point L1039(lines 1039 1059) no Hoare annotation was computed. [2019-12-07 17:14:22,903 INFO L246 CegarLoopResult]: For program point L1039-2(lines 1039 1059) no Hoare annotation was computed. [2019-12-07 17:14:22,903 INFO L246 CegarLoopResult]: For program point L907(lines 907 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,903 INFO L246 CegarLoopResult]: For program point L709(lines 709 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,903 INFO L246 CegarLoopResult]: For program point L643(lines 643 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,903 INFO L246 CegarLoopResult]: For program point L1634-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,903 INFO L246 CegarLoopResult]: For program point L1568-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,903 INFO L246 CegarLoopResult]: For program point L1502-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,903 INFO L246 CegarLoopResult]: For program point L181(lines 181 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,903 INFO L246 CegarLoopResult]: For program point L710(lines 710 731) no Hoare annotation was computed. [2019-12-07 17:14:22,903 INFO L246 CegarLoopResult]: For program point L710-2(lines 710 731) no Hoare annotation was computed. [2019-12-07 17:14:22,903 INFO L246 CegarLoopResult]: For program point L1635(line 1635) no Hoare annotation was computed. [2019-12-07 17:14:22,903 INFO L246 CegarLoopResult]: For program point L1569(line 1569) no Hoare annotation was computed. [2019-12-07 17:14:22,903 INFO L246 CegarLoopResult]: For program point L1503(line 1503) no Hoare annotation was computed. [2019-12-07 17:14:22,904 INFO L246 CegarLoopResult]: For program point L1305(lines 1305 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,904 INFO L246 CegarLoopResult]: For program point L248(lines 248 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,904 INFO L246 CegarLoopResult]: For program point L1173(lines 1173 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,904 INFO L246 CegarLoopResult]: For program point L975(lines 975 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,904 INFO L246 CegarLoopResult]: For program point L777(lines 777 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,904 INFO L246 CegarLoopResult]: For program point L513(lines 513 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,904 INFO L246 CegarLoopResult]: For program point L844(lines 844 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,904 INFO L246 CegarLoopResult]: For program point L1637-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,904 INFO L246 CegarLoopResult]: For program point L1571-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,904 INFO L246 CegarLoopResult]: For program point L1505-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,904 INFO L246 CegarLoopResult]: For program point L1638(line 1638) no Hoare annotation was computed. [2019-12-07 17:14:22,904 INFO L246 CegarLoopResult]: For program point L1572(line 1572) no Hoare annotation was computed. [2019-12-07 17:14:22,904 INFO L246 CegarLoopResult]: For program point L1506(line 1506) no Hoare annotation was computed. [2019-12-07 17:14:22,904 INFO L246 CegarLoopResult]: For program point L450(lines 450 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,904 INFO L246 CegarLoopResult]: For program point L583(lines 583 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,905 INFO L246 CegarLoopResult]: For program point L1640-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,905 INFO L246 CegarLoopResult]: For program point L1574-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,905 INFO L246 CegarLoopResult]: For program point L1508-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,905 INFO L246 CegarLoopResult]: For program point L1442(lines 1442 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,905 INFO L246 CegarLoopResult]: For program point L319(lines 319 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,905 INFO L246 CegarLoopResult]: For program point L1112(lines 1112 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,905 INFO L246 CegarLoopResult]: For program point L55(lines 55 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,905 INFO L246 CegarLoopResult]: For program point L1641(line 1641) no Hoare annotation was computed. [2019-12-07 17:14:22,905 INFO L246 CegarLoopResult]: For program point L1575(line 1575) no Hoare annotation was computed. [2019-12-07 17:14:22,905 INFO L246 CegarLoopResult]: For program point L1509(line 1509) no Hoare annotation was computed. [2019-12-07 17:14:22,905 INFO L246 CegarLoopResult]: For program point L56(lines 56 71) no Hoare annotation was computed. [2019-12-07 17:14:22,905 INFO L246 CegarLoopResult]: For program point L56-2(lines 56 71) no Hoare annotation was computed. [2019-12-07 17:14:22,905 INFO L246 CegarLoopResult]: For program point L784(lines 784 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,905 INFO L246 CegarLoopResult]: For program point L1643-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,905 INFO L246 CegarLoopResult]: For program point L1577-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,906 INFO L246 CegarLoopResult]: For program point L1511-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,906 INFO L246 CegarLoopResult]: For program point L1313(lines 1313 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,906 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 17:14:22,906 INFO L246 CegarLoopResult]: For program point L983(lines 983 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,906 INFO L246 CegarLoopResult]: For program point L917(lines 917 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,906 INFO L246 CegarLoopResult]: For program point L653(lines 653 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,906 INFO L246 CegarLoopResult]: For program point L1644(line 1644) no Hoare annotation was computed. [2019-12-07 17:14:22,906 INFO L246 CegarLoopResult]: For program point L1578(line 1578) no Hoare annotation was computed. [2019-12-07 17:14:22,906 INFO L246 CegarLoopResult]: For program point L1512(line 1512) no Hoare annotation was computed. [2019-12-07 17:14:22,906 INFO L246 CegarLoopResult]: For program point L257(lines 257 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,906 INFO L246 CegarLoopResult]: For program point L191(lines 191 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,906 INFO L246 CegarLoopResult]: For program point L1182(lines 1182 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,906 INFO L246 CegarLoopResult]: For program point L918(lines 918 935) no Hoare annotation was computed. [2019-12-07 17:14:22,906 INFO L246 CegarLoopResult]: For program point L918-2(lines 918 935) no Hoare annotation was computed. [2019-12-07 17:14:22,907 INFO L246 CegarLoopResult]: For program point L522(lines 522 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,907 INFO L246 CegarLoopResult]: For program point L1381(lines 1381 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,907 INFO L246 CegarLoopResult]: For program point L1249(lines 1249 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,907 INFO L246 CegarLoopResult]: For program point L192(lines 192 211) no Hoare annotation was computed. [2019-12-07 17:14:22,907 INFO L246 CegarLoopResult]: For program point L126(lines 126 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,907 INFO L246 CegarLoopResult]: For program point L192-2(lines 192 211) no Hoare annotation was computed. [2019-12-07 17:14:22,907 INFO L246 CegarLoopResult]: For program point L853(lines 853 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,907 INFO L246 CegarLoopResult]: For program point L1646-1(lines 1646 1648) no Hoare annotation was computed. [2019-12-07 17:14:22,907 INFO L246 CegarLoopResult]: For program point L1580-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,907 INFO L246 CegarLoopResult]: For program point L1514-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,907 INFO L246 CegarLoopResult]: For program point L1382(lines 1382 1400) no Hoare annotation was computed. [2019-12-07 17:14:22,907 INFO L246 CegarLoopResult]: For program point L1382-2(lines 1382 1400) no Hoare annotation was computed. [2019-12-07 17:14:22,907 INFO L246 CegarLoopResult]: For program point L1250(lines 1250 1272) no Hoare annotation was computed. [2019-12-07 17:14:22,907 INFO L246 CegarLoopResult]: For program point L1250-2(lines 1250 1272) no Hoare annotation was computed. [2019-12-07 17:14:22,907 INFO L246 CegarLoopResult]: For program point L1647(line 1647) no Hoare annotation was computed. [2019-12-07 17:14:22,908 INFO L246 CegarLoopResult]: For program point L1581(line 1581) no Hoare annotation was computed. [2019-12-07 17:14:22,908 INFO L246 CegarLoopResult]: For program point L1515(line 1515) no Hoare annotation was computed. [2019-12-07 17:14:22,908 INFO L246 CegarLoopResult]: For program point L458(lines 458 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,908 INFO L246 CegarLoopResult]: For program point L1120(lines 1120 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,908 INFO L246 CegarLoopResult]: For program point L658(lines 658 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,908 INFO L242 CegarLoopResult]: At program point L1649(lines 54 1650) the Hoare annotation is: (let ((.cse3 (= ~a12~0 1))) (let ((.cse10 (= 1 ~a3~0)) (.cse4 (= ~a16~0 1)) (.cse12 (= ~a29~0 1)) (.cse8 (<= ~a3~0 0)) (.cse5 (not .cse3)) (.cse11 (= ~a26~0 1)) (.cse0 (= ~a18~0 1)) (.cse1 (= ~a27~0 1)) (.cse2 (= 1 ~a5~0)) (.cse6 (not (= ~a11~0 1))) (.cse9 (not (= 1 ~a6~0))) (.cse7 (<= ~a26~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse6 .cse7) (and .cse8 .cse0 .cse2 .cse7 .cse6 .cse9) (and .cse0 .cse2 .cse1 .cse5 .cse6) (and .cse0 .cse2 .cse5 .cse7 .cse9) (and .cse0 .cse10 .cse2 .cse3 .cse7 .cse4) (and .cse0 .cse10 .cse2 .cse6 .cse7) (and (<= ~a6~0 0) .cse0 .cse2 .cse11) (and .cse0 .cse2 .cse1 .cse12 .cse9 .cse11) (and .cse0 .cse1 .cse2 .cse6 .cse7 .cse12) (and .cse0 .cse2 .cse5 .cse11) (and .cse0 .cse2 .cse10 .cse6 .cse9) (and .cse8 .cse0 .cse1 .cse2) (and .cse0 .cse2 .cse6 .cse7 .cse4) (and .cse0 .cse2 .cse5 .cse6 .cse12) (and .cse8 .cse0 .cse2 .cse11) (and .cse0 .cse2 .cse1 .cse5 .cse9) (and .cse0 .cse2 .cse1 .cse5 .cse7) (and .cse0 .cse2 .cse6 .cse11) (and .cse0 .cse1 .cse2 .cse6 .cse9 .cse7)))) [2019-12-07 17:14:22,908 INFO L246 CegarLoopResult]: For program point L592(lines 592 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,908 INFO L246 CegarLoopResult]: For program point L1583-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,909 INFO L246 CegarLoopResult]: For program point L1517-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,909 INFO L246 CegarLoopResult]: For program point L1584(line 1584) no Hoare annotation was computed. [2019-12-07 17:14:22,909 INFO L246 CegarLoopResult]: For program point L1518(line 1518) no Hoare annotation was computed. [2019-12-07 17:14:22,909 INFO L246 CegarLoopResult]: For program point L1452(lines 1452 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,909 INFO L246 CegarLoopResult]: For program point L329(lines 329 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,909 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 17:14:22,909 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1638) no Hoare annotation was computed. [2019-12-07 17:14:22,909 INFO L246 CegarLoopResult]: For program point L1321(lines 1321 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,909 INFO L249 CegarLoopResult]: At program point L1652(lines 1652 1669) the Hoare annotation is: true [2019-12-07 17:14:22,909 INFO L246 CegarLoopResult]: For program point L529(lines 529 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,909 INFO L246 CegarLoopResult]: For program point L1586-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,909 INFO L246 CegarLoopResult]: For program point L1520-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,909 INFO L246 CegarLoopResult]: For program point L397(lines 397 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,909 INFO L246 CegarLoopResult]: For program point L265(lines 265 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,910 INFO L246 CegarLoopResult]: For program point L1190(lines 1190 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,910 INFO L246 CegarLoopResult]: For program point L1587(line 1587) no Hoare annotation was computed. [2019-12-07 17:14:22,910 INFO L246 CegarLoopResult]: For program point L1521(line 1521) no Hoare annotation was computed. [2019-12-07 17:14:22,910 INFO L246 CegarLoopResult]: For program point L795(lines 795 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,910 INFO L246 CegarLoopResult]: For program point L135(lines 135 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,910 INFO L246 CegarLoopResult]: For program point L994(lines 994 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,910 INFO L246 CegarLoopResult]: For program point L1589-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,910 INFO L246 CegarLoopResult]: For program point L1523-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,910 INFO L246 CegarLoopResult]: For program point L1127(lines 1127 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,910 INFO L246 CegarLoopResult]: For program point L1061(lines 1061 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,910 INFO L246 CegarLoopResult]: For program point L863(lines 863 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,910 INFO L246 CegarLoopResult]: For program point L665(lines 665 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,910 INFO L246 CegarLoopResult]: For program point L1590(line 1590) no Hoare annotation was computed. [2019-12-07 17:14:22,910 INFO L246 CegarLoopResult]: For program point L1524(line 1524) no Hoare annotation was computed. [2019-12-07 17:14:22,910 INFO L246 CegarLoopResult]: For program point L467(lines 467 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,911 INFO L246 CegarLoopResult]: For program point L1326(lines 1326 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,911 INFO L246 CegarLoopResult]: For program point L468(lines 468 478) no Hoare annotation was computed. [2019-12-07 17:14:22,911 INFO L246 CegarLoopResult]: For program point L468-2(lines 468 478) no Hoare annotation was computed. [2019-12-07 17:14:22,911 INFO L246 CegarLoopResult]: For program point L733(lines 733 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,911 INFO L242 CegarLoopResult]: At program point L1658-2(lines 1658 1668) the Hoare annotation is: (let ((.cse3 (= ~a12~0 1))) (let ((.cse10 (= 1 ~a3~0)) (.cse4 (= ~a16~0 1)) (.cse12 (= ~a29~0 1)) (.cse8 (<= ~a3~0 0)) (.cse5 (not .cse3)) (.cse11 (= ~a26~0 1)) (.cse0 (= ~a18~0 1)) (.cse1 (= ~a27~0 1)) (.cse2 (= 1 ~a5~0)) (.cse6 (not (= ~a11~0 1))) (.cse9 (not (= 1 ~a6~0))) (.cse7 (<= ~a26~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse6 .cse7) (and .cse8 .cse0 .cse2 .cse7 .cse6 .cse9) (and .cse0 .cse2 .cse1 .cse5 .cse6) (and .cse0 .cse2 .cse5 .cse7 .cse9) (and .cse0 .cse10 .cse2 .cse3 .cse7 .cse4) (and .cse0 .cse10 .cse2 .cse6 .cse7) (and (<= ~a6~0 0) .cse0 .cse2 .cse11) (and .cse0 .cse2 .cse1 .cse12 .cse9 .cse11) (and .cse0 .cse1 .cse2 .cse6 .cse7 .cse12) (and .cse0 .cse2 .cse5 .cse11) (and .cse0 .cse2 .cse10 .cse6 .cse9) (and .cse8 .cse0 .cse1 .cse2) (and .cse0 .cse2 .cse6 .cse7 .cse4) (and .cse0 .cse2 .cse5 .cse6 .cse12) (and .cse8 .cse0 .cse2 .cse11) (and .cse0 .cse2 .cse1 .cse5 .cse9) (and .cse0 .cse2 .cse1 .cse5 .cse7) (and .cse0 .cse2 .cse6 .cse11) (and .cse0 .cse1 .cse2 .cse6 .cse9 .cse7)))) [2019-12-07 17:14:22,911 INFO L246 CegarLoopResult]: For program point L1592-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,911 INFO L246 CegarLoopResult]: For program point L1526-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,911 INFO L246 CegarLoopResult]: For program point L1460(lines 1460 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,911 INFO L246 CegarLoopResult]: For program point L73(lines 73 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,911 INFO L246 CegarLoopResult]: For program point L1593(line 1593) no Hoare annotation was computed. [2019-12-07 17:14:22,911 INFO L246 CegarLoopResult]: For program point L1527(line 1527) no Hoare annotation was computed. [2019-12-07 17:14:22,912 INFO L246 CegarLoopResult]: For program point L603(lines 603 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,912 INFO L246 CegarLoopResult]: For program point L405(lines 405 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,912 INFO L246 CegarLoopResult]: For program point L339(lines 339 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,912 INFO L246 CegarLoopResult]: For program point L1132(lines 1132 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,912 INFO L246 CegarLoopResult]: For program point L1066(lines 1066 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,912 INFO L246 CegarLoopResult]: For program point L868(lines 868 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,912 INFO L246 CegarLoopResult]: For program point L1595-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,912 INFO L246 CegarLoopResult]: For program point L1529-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,912 INFO L246 CegarLoopResult]: For program point L869(lines 869 887) no Hoare annotation was computed. [2019-12-07 17:14:22,912 INFO L246 CegarLoopResult]: For program point L869-2(lines 869 887) no Hoare annotation was computed. [2019-12-07 17:14:22,912 INFO L246 CegarLoopResult]: For program point L1596(line 1596) no Hoare annotation was computed. [2019-12-07 17:14:22,912 INFO L246 CegarLoopResult]: For program point L539(lines 539 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,912 INFO L246 CegarLoopResult]: For program point L1530(line 1530) no Hoare annotation was computed. [2019-12-07 17:14:22,912 INFO L246 CegarLoopResult]: For program point L1200(lines 1200 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,912 INFO L246 CegarLoopResult]: For program point L804(lines 804 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,913 INFO L246 CegarLoopResult]: For program point L1663(line 1663) no Hoare annotation was computed. [2019-12-07 17:14:22,913 INFO L246 CegarLoopResult]: For program point L276(lines 276 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,913 INFO L246 CegarLoopResult]: For program point L1003(lines 1003 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,913 INFO L246 CegarLoopResult]: For program point L937(lines 937 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,913 INFO L246 CegarLoopResult]: For program point L1598-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,913 INFO L246 CegarLoopResult]: For program point L1532-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,913 INFO L246 CegarLoopResult]: For program point L1466(lines 1466 1468) no Hoare annotation was computed. [2019-12-07 17:14:22,913 INFO L246 CegarLoopResult]: For program point L1466-2(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,913 INFO L246 CegarLoopResult]: For program point L1599(line 1599) no Hoare annotation was computed. [2019-12-07 17:14:22,913 INFO L246 CegarLoopResult]: For program point L1533(line 1533) no Hoare annotation was computed. [2019-12-07 17:14:22,913 INFO L246 CegarLoopResult]: For program point L1467(line 1467) no Hoare annotation was computed. [2019-12-07 17:14:22,913 INFO L246 CegarLoopResult]: For program point L146(lines 146 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,913 INFO L246 CegarLoopResult]: For program point L675(lines 675 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,913 INFO L246 CegarLoopResult]: For program point L1402(lines 1402 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,913 INFO L246 CegarLoopResult]: For program point L1336(lines 1336 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,914 INFO L246 CegarLoopResult]: For program point L213(lines 213 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,914 INFO L246 CegarLoopResult]: For program point L1601-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,914 INFO L246 CegarLoopResult]: For program point L1535-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,914 INFO L246 CegarLoopResult]: For program point L1469-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,914 INFO L246 CegarLoopResult]: For program point L1403(lines 1403 1421) no Hoare annotation was computed. [2019-12-07 17:14:22,914 INFO L246 CegarLoopResult]: For program point L1403-2(lines 1403 1421) no Hoare annotation was computed. [2019-12-07 17:14:22,914 INFO L246 CegarLoopResult]: For program point L82(lines 82 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,914 INFO L246 CegarLoopResult]: For program point L743(lines 743 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,914 INFO L246 CegarLoopResult]: For program point L1602(line 1602) no Hoare annotation was computed. [2019-12-07 17:14:22,914 INFO L246 CegarLoopResult]: For program point L1536(line 1536) no Hoare annotation was computed. [2019-12-07 17:14:22,914 INFO L246 CegarLoopResult]: For program point L1470(line 1470) no Hoare annotation was computed. [2019-12-07 17:14:22,914 INFO L246 CegarLoopResult]: For program point L1074(lines 1074 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,914 INFO L246 CegarLoopResult]: For program point L546(lines 546 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,914 INFO L246 CegarLoopResult]: For program point L480(lines 480 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,914 INFO L246 CegarLoopResult]: For program point L414(lines 414 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,915 INFO L246 CegarLoopResult]: For program point L348(lines 348 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,915 INFO L246 CegarLoopResult]: For program point L1604-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,915 INFO L246 CegarLoopResult]: For program point L1538-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,915 INFO L246 CegarLoopResult]: For program point L1472-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,915 INFO L246 CegarLoopResult]: For program point L1274(lines 1274 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,915 INFO L246 CegarLoopResult]: For program point L1142(lines 1142 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,915 INFO L246 CegarLoopResult]: For program point L614(lines 614 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,915 INFO L246 CegarLoopResult]: For program point L1605(line 1605) no Hoare annotation was computed. [2019-12-07 17:14:22,915 INFO L246 CegarLoopResult]: For program point L1539(line 1539) no Hoare annotation was computed. [2019-12-07 17:14:22,915 INFO L246 CegarLoopResult]: For program point L1473(line 1473) no Hoare annotation was computed. [2019-12-07 17:14:22,915 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 17:14:22,915 INFO L246 CegarLoopResult]: For program point L284(lines 284 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,915 INFO L246 CegarLoopResult]: For program point L1011(lines 1011 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,915 INFO L246 CegarLoopResult]: For program point L813(lines 813 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,915 INFO L246 CegarLoopResult]: For program point L1210(lines 1210 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,916 INFO L246 CegarLoopResult]: For program point L1607-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,916 INFO L246 CegarLoopResult]: For program point L1541-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,916 INFO L246 CegarLoopResult]: For program point L1475-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,916 INFO L246 CegarLoopResult]: For program point L1211(lines 1211 1224) no Hoare annotation was computed. [2019-12-07 17:14:22,916 INFO L246 CegarLoopResult]: For program point L1211-2(lines 1211 1224) no Hoare annotation was computed. [2019-12-07 17:14:22,916 INFO L246 CegarLoopResult]: For program point L947(lines 947 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,916 INFO L246 CegarLoopResult]: For program point L1608(line 1608) no Hoare annotation was computed. [2019-12-07 17:14:22,916 INFO L246 CegarLoopResult]: For program point L1542(line 1542) no Hoare annotation was computed. [2019-12-07 17:14:22,916 INFO L246 CegarLoopResult]: For program point L1476(line 1476) no Hoare annotation was computed. [2019-12-07 17:14:22,916 INFO L246 CegarLoopResult]: For program point L1344(lines 1344 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,916 INFO L246 CegarLoopResult]: For program point L155(lines 155 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,916 INFO L246 CegarLoopResult]: For program point L89(lines 89 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,916 INFO L246 CegarLoopResult]: For program point L684(lines 684 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,916 INFO L246 CegarLoopResult]: For program point L222(lines 222 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,917 INFO L246 CegarLoopResult]: For program point L685(lines 685 699) no Hoare annotation was computed. [2019-12-07 17:14:22,917 INFO L246 CegarLoopResult]: For program point L685-2(lines 685 699) no Hoare annotation was computed. [2019-12-07 17:14:22,917 INFO L246 CegarLoopResult]: For program point L1610-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,917 INFO L246 CegarLoopResult]: For program point L1544-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,917 INFO L246 CegarLoopResult]: For program point L1478-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,917 INFO L246 CegarLoopResult]: For program point L1611(line 1611) no Hoare annotation was computed. [2019-12-07 17:14:22,917 INFO L246 CegarLoopResult]: For program point L1545(line 1545) no Hoare annotation was computed. [2019-12-07 17:14:22,917 INFO L246 CegarLoopResult]: For program point L488(lines 488 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,917 INFO L246 CegarLoopResult]: For program point L1479(line 1479) no Hoare annotation was computed. [2019-12-07 17:14:22,917 INFO L246 CegarLoopResult]: For program point L422(lines 422 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,917 INFO L246 CegarLoopResult]: For program point L356(lines 356 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,917 INFO L246 CegarLoopResult]: For program point L753(lines 753 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,917 INFO L246 CegarLoopResult]: For program point L622(lines 622 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,917 INFO L246 CegarLoopResult]: For program point L556(lines 556 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,918 INFO L246 CegarLoopResult]: For program point L1613-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,918 INFO L246 CegarLoopResult]: For program point L1547-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,918 INFO L246 CegarLoopResult]: For program point L1481-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,918 INFO L246 CegarLoopResult]: For program point L292(lines 292 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,918 INFO L246 CegarLoopResult]: For program point L1283(lines 1283 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,918 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 17:14:22,918 INFO L246 CegarLoopResult]: For program point L1614(line 1614) no Hoare annotation was computed. [2019-12-07 17:14:22,918 INFO L246 CegarLoopResult]: For program point L1548(line 1548) no Hoare annotation was computed. [2019-12-07 17:14:22,918 INFO L246 CegarLoopResult]: For program point L1482(line 1482) no Hoare annotation was computed. [2019-12-07 17:14:22,918 INFO L246 CegarLoopResult]: For program point L1350(lines 1350 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,918 INFO L246 CegarLoopResult]: For program point L1284(lines 1284 1303) no Hoare annotation was computed. [2019-12-07 17:14:22,918 INFO L246 CegarLoopResult]: For program point L1284-2(lines 1284 1303) no Hoare annotation was computed. [2019-12-07 17:14:22,918 INFO L246 CegarLoopResult]: For program point L1152(lines 1152 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,918 INFO L246 CegarLoopResult]: For program point L95(lines 95 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,919 INFO L246 CegarLoopResult]: For program point L1086(lines 1086 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,919 INFO L246 CegarLoopResult]: For program point L1021(lines 1021 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,919 INFO L246 CegarLoopResult]: For program point L955(lines 955 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,919 INFO L246 CegarLoopResult]: For program point L889(lines 889 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,919 INFO L246 CegarLoopResult]: For program point L1616-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,919 INFO L246 CegarLoopResult]: For program point L1550-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,919 INFO L246 CegarLoopResult]: For program point L1484-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,919 INFO L246 CegarLoopResult]: For program point L1617(line 1617) no Hoare annotation was computed. [2019-12-07 17:14:22,919 INFO L246 CegarLoopResult]: For program point L1551(line 1551) no Hoare annotation was computed. [2019-12-07 17:14:22,919 INFO L246 CegarLoopResult]: For program point L1485(line 1485) no Hoare annotation was computed. [2019-12-07 17:14:22,919 INFO L246 CegarLoopResult]: For program point L164(lines 164 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,919 INFO L246 CegarLoopResult]: For program point L825(lines 825 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,919 INFO L246 CegarLoopResult]: For program point L1619-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,919 INFO L246 CegarLoopResult]: For program point L1553-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,919 INFO L246 CegarLoopResult]: For program point L1487-1(lines 54 1650) no Hoare annotation was computed. [2019-12-07 17:14:22,919 INFO L246 CegarLoopResult]: For program point L761(lines 761 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,920 INFO L246 CegarLoopResult]: For program point L1620(line 1620) no Hoare annotation was computed. [2019-12-07 17:14:22,920 INFO L246 CegarLoopResult]: For program point L1554(line 1554) no Hoare annotation was computed. [2019-12-07 17:14:22,920 INFO L246 CegarLoopResult]: For program point L497(lines 497 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,920 INFO L246 CegarLoopResult]: For program point L1488(line 1488) no Hoare annotation was computed. [2019-12-07 17:14:22,920 INFO L246 CegarLoopResult]: For program point L233(lines 233 1465) no Hoare annotation was computed. [2019-12-07 17:14:22,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:14:22 BoogieIcfgContainer [2019-12-07 17:14:22,940 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:14:22,940 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:14:22,940 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:14:22,940 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:14:22,941 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:13:53" (3/4) ... [2019-12-07 17:14:22,943 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 17:14:22,966 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 17:14:22,968 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 17:14:23,110 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7e754a6a-b41e-4121-9059-d593dcf730b5/bin/uautomizer/witness.graphml [2019-12-07 17:14:23,111 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:14:23,112 INFO L168 Benchmark]: Toolchain (without parser) took 31913.86 ms. Allocated memory was 1.0 GB in the beginning and 4.0 GB in the end (delta: 3.0 GB). Free memory was 932.2 MB in the beginning and 2.9 GB in the end (delta: -2.0 GB). Peak memory consumption was 946.3 MB. Max. memory is 11.5 GB. [2019-12-07 17:14:23,112 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 954.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:14:23,112 INFO L168 Benchmark]: CACSL2BoogieTranslator took 639.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 932.2 MB in the beginning and 1.0 GB in the end (delta: -115.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. [2019-12-07 17:14:23,113 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2019-12-07 17:14:23,113 INFO L168 Benchmark]: Boogie Preprocessor took 80.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:14:23,113 INFO L168 Benchmark]: RCFGBuilder took 1187.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 18.5 MB). Peak memory consumption was 192.0 MB. Max. memory is 11.5 GB. [2019-12-07 17:14:23,113 INFO L168 Benchmark]: TraceAbstraction took 29735.56 ms. Allocated memory was 1.1 GB in the beginning and 4.0 GB in the end (delta: 2.8 GB). Free memory was 1.0 GB in the beginning and 3.0 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. [2019-12-07 17:14:23,114 INFO L168 Benchmark]: Witness Printer took 170.69 ms. Allocated memory is still 4.0 GB. Free memory was 3.0 GB in the beginning and 2.9 GB in the end (delta: 61.9 MB). Peak memory consumption was 61.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:14:23,115 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 954.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 639.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 932.2 MB in the beginning and 1.0 GB in the end (delta: -115.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 97.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 14.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1187.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 18.5 MB). Peak memory consumption was 192.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 29735.56 ms. Allocated memory was 1.1 GB in the beginning and 4.0 GB in the end (delta: 2.8 GB). Free memory was 1.0 GB in the beginning and 3.0 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. * Witness Printer took 170.69 ms. Allocated memory is still 4.0 GB. Free memory was 3.0 GB in the beginning and 2.9 GB in the end (delta: 61.9 MB). Peak memory consumption was 61.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1638]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1652]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1658]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((a18 == 1 && a27 == 1) && 1 == a5) && a12 == 1) && a16 == 1) || ((((a18 == 1 && 1 == a5) && !(a12 == 1)) && !(a11 == 1)) && a26 <= 0)) || (((((a3 <= 0 && a18 == 1) && 1 == a5) && a26 <= 0) && !(a11 == 1)) && !(1 == a6))) || ((((a18 == 1 && 1 == a5) && a27 == 1) && !(a12 == 1)) && !(a11 == 1))) || ((((a18 == 1 && 1 == a5) && !(a12 == 1)) && a26 <= 0) && !(1 == a6))) || (((((a18 == 1 && 1 == a3) && 1 == a5) && a12 == 1) && a26 <= 0) && a16 == 1)) || ((((a18 == 1 && 1 == a3) && 1 == a5) && !(a11 == 1)) && a26 <= 0)) || (((a6 <= 0 && a18 == 1) && 1 == a5) && a26 == 1)) || (((((a18 == 1 && 1 == a5) && a27 == 1) && a29 == 1) && !(1 == a6)) && a26 == 1)) || (((((a18 == 1 && a27 == 1) && 1 == a5) && !(a11 == 1)) && a26 <= 0) && a29 == 1)) || (((a18 == 1 && 1 == a5) && !(a12 == 1)) && a26 == 1)) || ((((a18 == 1 && 1 == a5) && 1 == a3) && !(a11 == 1)) && !(1 == a6))) || (((a3 <= 0 && a18 == 1) && a27 == 1) && 1 == a5)) || ((((a18 == 1 && 1 == a5) && !(a11 == 1)) && a26 <= 0) && a16 == 1)) || ((((a18 == 1 && 1 == a5) && !(a12 == 1)) && !(a11 == 1)) && a29 == 1)) || (((a3 <= 0 && a18 == 1) && 1 == a5) && a26 == 1)) || ((((a18 == 1 && 1 == a5) && a27 == 1) && !(a12 == 1)) && !(1 == a6))) || ((((a18 == 1 && 1 == a5) && a27 == 1) && !(a12 == 1)) && a26 <= 0)) || (((a18 == 1 && 1 == a5) && !(a11 == 1)) && a26 == 1)) || (((((a18 == 1 && a27 == 1) && 1 == a5) && !(a11 == 1)) && !(1 == a6)) && a26 <= 0) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((a18 == 1 && a27 == 1) && 1 == a5) && a12 == 1) && a16 == 1) || ((((a18 == 1 && 1 == a5) && !(a12 == 1)) && !(a11 == 1)) && a26 <= 0)) || (((((a3 <= 0 && a18 == 1) && 1 == a5) && a26 <= 0) && !(a11 == 1)) && !(1 == a6))) || ((((a18 == 1 && 1 == a5) && a27 == 1) && !(a12 == 1)) && !(a11 == 1))) || ((((a18 == 1 && 1 == a5) && !(a12 == 1)) && a26 <= 0) && !(1 == a6))) || (((((a18 == 1 && 1 == a3) && 1 == a5) && a12 == 1) && a26 <= 0) && a16 == 1)) || ((((a18 == 1 && 1 == a3) && 1 == a5) && !(a11 == 1)) && a26 <= 0)) || (((a6 <= 0 && a18 == 1) && 1 == a5) && a26 == 1)) || (((((a18 == 1 && 1 == a5) && a27 == 1) && a29 == 1) && !(1 == a6)) && a26 == 1)) || (((((a18 == 1 && a27 == 1) && 1 == a5) && !(a11 == 1)) && a26 <= 0) && a29 == 1)) || (((a18 == 1 && 1 == a5) && !(a12 == 1)) && a26 == 1)) || ((((a18 == 1 && 1 == a5) && 1 == a3) && !(a11 == 1)) && !(1 == a6))) || (((a3 <= 0 && a18 == 1) && a27 == 1) && 1 == a5)) || ((((a18 == 1 && 1 == a5) && !(a11 == 1)) && a26 <= 0) && a16 == 1)) || ((((a18 == 1 && 1 == a5) && !(a12 == 1)) && !(a11 == 1)) && a29 == 1)) || (((a3 <= 0 && a18 == 1) && 1 == a5) && a26 == 1)) || ((((a18 == 1 && 1 == a5) && a27 == 1) && !(a12 == 1)) && !(1 == a6))) || ((((a18 == 1 && 1 == a5) && a27 == 1) && !(a12 == 1)) && a26 <= 0)) || (((a18 == 1 && 1 == a5) && !(a11 == 1)) && a26 == 1)) || (((((a18 == 1 && a27 == 1) && 1 == a5) && !(a11 == 1)) && !(1 == a6)) && a26 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 302 locations, 1 error locations. Result: SAFE, OverallTime: 23.1s, OverallIterations: 16, TraceHistogramMax: 5, AutomataDifference: 14.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.4s, HoareTripleCheckerStatistics: 3237 SDtfs, 5456 SDslu, 1446 SDs, 0 SdLazy, 9602 SolverSat, 1909 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 879 GetRequests, 846 SyntacticMatches, 4 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=126425occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.6s AutomataMinimizationTime, 16 MinimizatonAttempts, 95006 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 625 NumberOfFragments, 689 HoareAnnotationTreeSize, 3 FomulaSimplifications, 56392 FormulaSimplificationTreeSizeReduction, 3.4s HoareSimplificationTime, 3 FomulaSimplificationsInter, 20996 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 4906 NumberOfCodeBlocks, 4906 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 4887 ConstructedInterpolants, 0 QuantifiedInterpolants, 2060154 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1556 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 19 InterpolantComputations, 16 PerfectInterpolantSequences, 1612/1626 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...