./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label24.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a2e87b88-7ed2-4296-a69c-ddd30befee5d/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a2e87b88-7ed2-4296-a69c-ddd30befee5d/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a2e87b88-7ed2-4296-a69c-ddd30befee5d/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a2e87b88-7ed2-4296-a69c-ddd30befee5d/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label24.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a2e87b88-7ed2-4296-a69c-ddd30befee5d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a2e87b88-7ed2-4296-a69c-ddd30befee5d/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 d443bde2b4ed91a040fe01a253a772dbee49a394 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 10:49:23,966 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:49:23,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:49:23,980 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:49:23,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:49:23,982 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:49:23,984 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:49:23,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:49:23,988 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:49:23,989 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:49:23,990 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:49:23,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:49:23,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:49:23,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:49:23,994 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:49:23,995 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:49:23,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:49:23,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:49:23,999 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:49:24,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:49:24,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:49:24,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:49:24,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:49:24,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:49:24,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:49:24,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:49:24,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:49:24,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:49:24,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:49:24,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:49:24,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:49:24,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:49:24,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:49:24,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:49:24,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:49:24,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:49:24,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:49:24,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:49:24,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:49:24,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:49:24,020 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:49:24,021 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a2e87b88-7ed2-4296-a69c-ddd30befee5d/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 10:49:24,036 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:49:24,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:49:24,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:49:24,038 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:49:24,038 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 10:49:24,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:49:24,039 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:49:24,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:49:24,039 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:49:24,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:49:24,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:49:24,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:49:24,040 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:49:24,041 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:49:24,041 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:49:24,041 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:49:24,041 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:49:24,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:49:24,042 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 10:49:24,042 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:49:24,043 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 10:49:24,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 10:49:24,043 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:49:24,044 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:49:24,044 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:49:24,044 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 10:49:24,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 10:49:24,045 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:49:24,045 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_a2e87b88-7ed2-4296-a69c-ddd30befee5d/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 -> d443bde2b4ed91a040fe01a253a772dbee49a394 [2019-11-20 10:49:24,204 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:49:24,216 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:49:24,220 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:49:24,221 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:49:24,222 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:49:24,222 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a2e87b88-7ed2-4296-a69c-ddd30befee5d/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem03_label24.c [2019-11-20 10:49:24,280 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a2e87b88-7ed2-4296-a69c-ddd30befee5d/bin/uautomizer/data/01a722ae4/604ed02d18574189b36fcf1cfce4665e/FLAGf0db8baf2 [2019-11-20 10:49:24,850 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:49:24,851 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a2e87b88-7ed2-4296-a69c-ddd30befee5d/sv-benchmarks/c/eca-rers2012/Problem03_label24.c [2019-11-20 10:49:24,866 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a2e87b88-7ed2-4296-a69c-ddd30befee5d/bin/uautomizer/data/01a722ae4/604ed02d18574189b36fcf1cfce4665e/FLAGf0db8baf2 [2019-11-20 10:49:25,063 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a2e87b88-7ed2-4296-a69c-ddd30befee5d/bin/uautomizer/data/01a722ae4/604ed02d18574189b36fcf1cfce4665e [2019-11-20 10:49:25,067 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:49:25,068 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:49:25,071 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:49:25,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:49:25,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:49:25,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:49:25" (1/1) ... [2019-11-20 10:49:25,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e1d3fa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:25, skipping insertion in model container [2019-11-20 10:49:25,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:49:25" (1/1) ... [2019-11-20 10:49:25,088 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:49:25,165 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:49:25,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:49:25,909 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:49:26,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:49:26,215 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:49:26,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:26 WrapperNode [2019-11-20 10:49:26,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:49:26,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:49:26,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:49:26,217 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:49:26,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:26" (1/1) ... [2019-11-20 10:49:26,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:26" (1/1) ... [2019-11-20 10:49:26,366 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:49:26,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:49:26,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:49:26,368 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:49:26,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:26" (1/1) ... [2019-11-20 10:49:26,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:26" (1/1) ... [2019-11-20 10:49:26,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:26" (1/1) ... [2019-11-20 10:49:26,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:26" (1/1) ... [2019-11-20 10:49:26,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:26" (1/1) ... [2019-11-20 10:49:26,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:26" (1/1) ... [2019-11-20 10:49:26,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:26" (1/1) ... [2019-11-20 10:49:26,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:49:26,503 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:49:26,503 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:49:26,503 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:49:26,505 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a2e87b88-7ed2-4296-a69c-ddd30befee5d/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 10:49:26,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:49:26,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:49:29,013 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:49:29,013 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 10:49:29,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:49:29 BoogieIcfgContainer [2019-11-20 10:49:29,015 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:49:29,016 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 10:49:29,016 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 10:49:29,019 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 10:49:29,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:49:25" (1/3) ... [2019-11-20 10:49:29,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e6afc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:49:29, skipping insertion in model container [2019-11-20 10:49:29,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:49:26" (2/3) ... [2019-11-20 10:49:29,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45e6afc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:49:29, skipping insertion in model container [2019-11-20 10:49:29,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:49:29" (3/3) ... [2019-11-20 10:49:29,026 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem03_label24.c [2019-11-20 10:49:29,037 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 10:49:29,048 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 10:49:29,060 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 10:49:29,107 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 10:49:29,107 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 10:49:29,107 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 10:49:29,108 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 10:49:29,108 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 10:49:29,108 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 10:49:29,108 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 10:49:29,109 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 10:49:29,139 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states. [2019-11-20 10:49:29,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-11-20 10:49:29,172 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:49:29,173 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] [2019-11-20 10:49:29,174 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:49:29,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:49:29,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1612939027, now seen corresponding path program 1 times [2019-11-20 10:49:29,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:49:29,191 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354749267] [2019-11-20 10:49:29,191 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:49:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:49:29,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:49:29,929 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354749267] [2019-11-20 10:49:29,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:49:29,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 10:49:29,932 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504887502] [2019-11-20 10:49:29,943 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 10:49:29,944 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:49:29,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 10:49:29,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 10:49:29,961 INFO L87 Difference]: Start difference. First operand 302 states. Second operand 4 states. [2019-11-20 10:49:32,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:49:32,216 INFO L93 Difference]: Finished difference Result 1023 states and 1861 transitions. [2019-11-20 10:49:32,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 10:49:32,218 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 191 [2019-11-20 10:49:32,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:49:32,240 INFO L225 Difference]: With dead ends: 1023 [2019-11-20 10:49:32,240 INFO L226 Difference]: Without dead ends: 654 [2019-11-20 10:49:32,246 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 10:49:32,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2019-11-20 10:49:32,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 652. [2019-11-20 10:49:32,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 652 states. [2019-11-20 10:49:32,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 964 transitions. [2019-11-20 10:49:32,384 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 964 transitions. Word has length 191 [2019-11-20 10:49:32,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:49:32,385 INFO L462 AbstractCegarLoop]: Abstraction has 652 states and 964 transitions. [2019-11-20 10:49:32,385 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 10:49:32,386 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 964 transitions. [2019-11-20 10:49:32,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-11-20 10:49:32,392 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:49:32,392 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:49:32,392 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:49:32,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:49:32,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1561555348, now seen corresponding path program 1 times [2019-11-20 10:49:32,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:49:32,394 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969256118] [2019-11-20 10:49:32,394 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:49:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:49:32,664 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:49:32,665 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969256118] [2019-11-20 10:49:32,665 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:49:32,665 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 10:49:32,665 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090997716] [2019-11-20 10:49:32,668 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 10:49:32,669 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:49:32,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:49:32,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:49:32,670 INFO L87 Difference]: Start difference. First operand 652 states and 964 transitions. Second operand 3 states. [2019-11-20 10:49:33,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:49:33,730 INFO L93 Difference]: Finished difference Result 1929 states and 2864 transitions. [2019-11-20 10:49:33,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:49:33,730 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2019-11-20 10:49:33,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:49:33,738 INFO L225 Difference]: With dead ends: 1929 [2019-11-20 10:49:33,738 INFO L226 Difference]: Without dead ends: 1279 [2019-11-20 10:49:33,742 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:49:33,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2019-11-20 10:49:33,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1265. [2019-11-20 10:49:33,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1265 states. [2019-11-20 10:49:33,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1265 states and 1832 transitions. [2019-11-20 10:49:33,788 INFO L78 Accepts]: Start accepts. Automaton has 1265 states and 1832 transitions. Word has length 199 [2019-11-20 10:49:33,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:49:33,788 INFO L462 AbstractCegarLoop]: Abstraction has 1265 states and 1832 transitions. [2019-11-20 10:49:33,788 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 10:49:33,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1832 transitions. [2019-11-20 10:49:33,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-11-20 10:49:33,794 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:49:33,794 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:49:33,794 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:49:33,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:49:33,795 INFO L82 PathProgramCache]: Analyzing trace with hash -252433271, now seen corresponding path program 1 times [2019-11-20 10:49:33,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:49:33,795 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589585240] [2019-11-20 10:49:33,795 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:49:33,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:49:34,096 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 10:49:34,097 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589585240] [2019-11-20 10:49:34,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:49:34,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 10:49:34,099 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501164855] [2019-11-20 10:49:34,100 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 10:49:34,100 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:49:34,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:49:34,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:49:34,101 INFO L87 Difference]: Start difference. First operand 1265 states and 1832 transitions. Second operand 3 states. [2019-11-20 10:49:35,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:49:35,222 INFO L93 Difference]: Finished difference Result 3758 states and 5448 transitions. [2019-11-20 10:49:35,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:49:35,222 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2019-11-20 10:49:35,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:49:35,237 INFO L225 Difference]: With dead ends: 3758 [2019-11-20 10:49:35,238 INFO L226 Difference]: Without dead ends: 2495 [2019-11-20 10:49:35,240 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:49:35,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2495 states. [2019-11-20 10:49:35,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2495 to 2493. [2019-11-20 10:49:35,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2493 states. [2019-11-20 10:49:35,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2493 states and 3402 transitions. [2019-11-20 10:49:35,306 INFO L78 Accepts]: Start accepts. Automaton has 2493 states and 3402 transitions. Word has length 206 [2019-11-20 10:49:35,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:49:35,307 INFO L462 AbstractCegarLoop]: Abstraction has 2493 states and 3402 transitions. [2019-11-20 10:49:35,309 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 10:49:35,309 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 3402 transitions. [2019-11-20 10:49:35,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2019-11-20 10:49:35,327 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:49:35,328 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:49:35,328 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:49:35,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:49:35,329 INFO L82 PathProgramCache]: Analyzing trace with hash -225243153, now seen corresponding path program 1 times [2019-11-20 10:49:35,329 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:49:35,330 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862627767] [2019-11-20 10:49:35,330 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:49:35,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:49:35,545 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 10:49:35,546 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862627767] [2019-11-20 10:49:35,547 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:49:35,547 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 10:49:35,547 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949021155] [2019-11-20 10:49:35,548 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 10:49:35,548 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:49:35,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 10:49:35,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 10:49:35,549 INFO L87 Difference]: Start difference. First operand 2493 states and 3402 transitions. Second operand 4 states. [2019-11-20 10:49:36,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:49:36,762 INFO L93 Difference]: Finished difference Result 4955 states and 6763 transitions. [2019-11-20 10:49:36,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 10:49:36,763 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 216 [2019-11-20 10:49:36,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:49:36,778 INFO L225 Difference]: With dead ends: 4955 [2019-11-20 10:49:36,779 INFO L226 Difference]: Without dead ends: 2464 [2019-11-20 10:49:36,782 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 10:49:36,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2464 states. [2019-11-20 10:49:36,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2464 to 2464. [2019-11-20 10:49:36,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2464 states. [2019-11-20 10:49:36,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2464 states and 3263 transitions. [2019-11-20 10:49:36,846 INFO L78 Accepts]: Start accepts. Automaton has 2464 states and 3263 transitions. Word has length 216 [2019-11-20 10:49:36,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:49:36,847 INFO L462 AbstractCegarLoop]: Abstraction has 2464 states and 3263 transitions. [2019-11-20 10:49:36,847 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 10:49:36,847 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 3263 transitions. [2019-11-20 10:49:36,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-11-20 10:49:36,854 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:49:36,854 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:49:36,855 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:49:36,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:49:36,856 INFO L82 PathProgramCache]: Analyzing trace with hash -1464925484, now seen corresponding path program 1 times [2019-11-20 10:49:36,856 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:49:36,856 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987735967] [2019-11-20 10:49:36,856 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:49:36,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:49:36,988 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 10:49:36,989 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987735967] [2019-11-20 10:49:36,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:49:36,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 10:49:36,990 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502658877] [2019-11-20 10:49:36,990 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 10:49:36,990 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:49:36,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 10:49:36,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 10:49:36,991 INFO L87 Difference]: Start difference. First operand 2464 states and 3263 transitions. Second operand 4 states. [2019-11-20 10:49:38,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:49:38,494 INFO L93 Difference]: Finished difference Result 9843 states and 13038 transitions. [2019-11-20 10:49:38,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 10:49:38,494 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 218 [2019-11-20 10:49:38,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:49:38,532 INFO L225 Difference]: With dead ends: 9843 [2019-11-20 10:49:38,533 INFO L226 Difference]: Without dead ends: 7381 [2019-11-20 10:49:38,536 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 10:49:38,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7381 states. [2019-11-20 10:49:38,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7381 to 7377. [2019-11-20 10:49:38,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7377 states. [2019-11-20 10:49:38,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7377 states to 7377 states and 9720 transitions. [2019-11-20 10:49:38,700 INFO L78 Accepts]: Start accepts. Automaton has 7377 states and 9720 transitions. Word has length 218 [2019-11-20 10:49:38,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:49:38,700 INFO L462 AbstractCegarLoop]: Abstraction has 7377 states and 9720 transitions. [2019-11-20 10:49:38,701 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 10:49:38,701 INFO L276 IsEmpty]: Start isEmpty. Operand 7377 states and 9720 transitions. [2019-11-20 10:49:38,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-11-20 10:49:38,713 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:49:38,714 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:49:38,714 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:49:38,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:49:38,715 INFO L82 PathProgramCache]: Analyzing trace with hash 1826592161, now seen corresponding path program 1 times [2019-11-20 10:49:38,715 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:49:38,715 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312516746] [2019-11-20 10:49:38,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:49:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:49:38,842 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-20 10:49:38,843 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312516746] [2019-11-20 10:49:38,844 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:49:38,844 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 10:49:38,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615826860] [2019-11-20 10:49:38,845 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 10:49:38,845 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:49:38,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:49:38,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:49:38,846 INFO L87 Difference]: Start difference. First operand 7377 states and 9720 transitions. Second operand 3 states. [2019-11-20 10:49:39,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:49:39,812 INFO L93 Difference]: Finished difference Result 14758 states and 19450 transitions. [2019-11-20 10:49:39,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:49:39,813 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 222 [2019-11-20 10:49:39,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:49:39,852 INFO L225 Difference]: With dead ends: 14758 [2019-11-20 10:49:39,852 INFO L226 Difference]: Without dead ends: 7383 [2019-11-20 10:49:39,861 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 [2019-11-20 10:49:39,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7383 states. [2019-11-20 10:49:40,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7383 to 7377. [2019-11-20 10:49:40,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7377 states. [2019-11-20 10:49:40,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7377 states to 7377 states and 8865 transitions. [2019-11-20 10:49:40,029 INFO L78 Accepts]: Start accepts. Automaton has 7377 states and 8865 transitions. Word has length 222 [2019-11-20 10:49:40,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:49:40,029 INFO L462 AbstractCegarLoop]: Abstraction has 7377 states and 8865 transitions. [2019-11-20 10:49:40,030 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 10:49:40,030 INFO L276 IsEmpty]: Start isEmpty. Operand 7377 states and 8865 transitions. [2019-11-20 10:49:40,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2019-11-20 10:49:40,038 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:49:40,039 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, 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] [2019-11-20 10:49:40,039 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:49:40,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:49:40,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1919299954, now seen corresponding path program 1 times [2019-11-20 10:49:40,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:49:40,045 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7341261] [2019-11-20 10:49:40,045 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:49:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:49:40,199 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 10:49:40,200 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7341261] [2019-11-20 10:49:40,201 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:49:40,201 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 10:49:40,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697853589] [2019-11-20 10:49:40,202 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 10:49:40,203 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:49:40,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:49:40,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:49:40,204 INFO L87 Difference]: Start difference. First operand 7377 states and 8865 transitions. Second operand 3 states. [2019-11-20 10:49:41,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:49:41,310 INFO L93 Difference]: Finished difference Result 21872 states and 26317 transitions. [2019-11-20 10:49:41,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:49:41,311 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 240 [2019-11-20 10:49:41,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:49:41,366 INFO L225 Difference]: With dead ends: 21872 [2019-11-20 10:49:41,367 INFO L226 Difference]: Without dead ends: 14497 [2019-11-20 10:49:41,376 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:49:41,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14497 states. [2019-11-20 10:49:41,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14497 to 14488. [2019-11-20 10:49:41,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14488 states. [2019-11-20 10:49:41,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14488 states to 14488 states and 17031 transitions. [2019-11-20 10:49:41,640 INFO L78 Accepts]: Start accepts. Automaton has 14488 states and 17031 transitions. Word has length 240 [2019-11-20 10:49:41,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:49:41,641 INFO L462 AbstractCegarLoop]: Abstraction has 14488 states and 17031 transitions. [2019-11-20 10:49:41,641 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 10:49:41,641 INFO L276 IsEmpty]: Start isEmpty. Operand 14488 states and 17031 transitions. [2019-11-20 10:49:41,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-11-20 10:49:41,654 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:49:41,654 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:49:41,655 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:49:41,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:49:41,656 INFO L82 PathProgramCache]: Analyzing trace with hash 237647221, now seen corresponding path program 1 times [2019-11-20 10:49:41,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:49:41,657 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307257642] [2019-11-20 10:49:41,657 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:49:41,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:49:41,825 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:49:41,825 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307257642] [2019-11-20 10:49:41,826 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:49:41,826 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 10:49:41,826 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924779363] [2019-11-20 10:49:41,827 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 10:49:41,827 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:49:41,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 10:49:41,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 10:49:41,828 INFO L87 Difference]: Start difference. First operand 14488 states and 17031 transitions. Second operand 4 states. [2019-11-20 10:49:42,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:49:42,824 INFO L93 Difference]: Finished difference Result 28974 states and 34060 transitions. [2019-11-20 10:49:42,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:49:42,824 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 245 [2019-11-20 10:49:42,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:49:42,849 INFO L225 Difference]: With dead ends: 28974 [2019-11-20 10:49:42,849 INFO L226 Difference]: Without dead ends: 14488 [2019-11-20 10:49:42,866 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 10:49:42,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14488 states. [2019-11-20 10:49:43,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14488 to 14488. [2019-11-20 10:49:43,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14488 states. [2019-11-20 10:49:43,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14488 states to 14488 states and 16609 transitions. [2019-11-20 10:49:43,082 INFO L78 Accepts]: Start accepts. Automaton has 14488 states and 16609 transitions. Word has length 245 [2019-11-20 10:49:43,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:49:43,083 INFO L462 AbstractCegarLoop]: Abstraction has 14488 states and 16609 transitions. [2019-11-20 10:49:43,083 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 10:49:43,083 INFO L276 IsEmpty]: Start isEmpty. Operand 14488 states and 16609 transitions. [2019-11-20 10:49:43,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2019-11-20 10:49:43,096 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:49:43,097 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, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:49:43,097 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:49:43,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:49:43,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1556480726, now seen corresponding path program 1 times [2019-11-20 10:49:43,098 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:49:43,098 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261138494] [2019-11-20 10:49:43,099 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:49:43,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:49:43,225 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-20 10:49:43,226 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261138494] [2019-11-20 10:49:43,227 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:49:43,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 10:49:43,231 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923754669] [2019-11-20 10:49:43,232 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 10:49:43,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:49:43,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:49:43,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:49:43,233 INFO L87 Difference]: Start difference. First operand 14488 states and 16609 transitions. Second operand 3 states. [2019-11-20 10:49:44,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:49:44,511 INFO L93 Difference]: Finished difference Result 35718 states and 40926 transitions. [2019-11-20 10:49:44,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:49:44,512 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 253 [2019-11-20 10:49:44,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:49:44,550 INFO L225 Difference]: With dead ends: 35718 [2019-11-20 10:49:44,551 INFO L226 Difference]: Without dead ends: 21232 [2019-11-20 10:49:44,568 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 10:49:44,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21232 states. [2019-11-20 10:49:44,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21232 to 21227. [2019-11-20 10:49:44,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21227 states. [2019-11-20 10:49:44,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21227 states to 21227 states and 24282 transitions. [2019-11-20 10:49:44,852 INFO L78 Accepts]: Start accepts. Automaton has 21227 states and 24282 transitions. Word has length 253 [2019-11-20 10:49:44,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:49:44,853 INFO L462 AbstractCegarLoop]: Abstraction has 21227 states and 24282 transitions. [2019-11-20 10:49:44,853 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 10:49:44,853 INFO L276 IsEmpty]: Start isEmpty. Operand 21227 states and 24282 transitions. [2019-11-20 10:49:44,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2019-11-20 10:49:44,871 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:49:44,871 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-20 10:49:44,872 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:49:44,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:49:44,872 INFO L82 PathProgramCache]: Analyzing trace with hash 474797067, now seen corresponding path program 1 times [2019-11-20 10:49:44,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:49:44,873 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357800621] [2019-11-20 10:49:44,873 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:49:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:49:45,026 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 71 proven. 3 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-20 10:49:45,027 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357800621] [2019-11-20 10:49:45,027 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783748297] [2019-11-20 10:49:45,027 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a2e87b88-7ed2-4296-a69c-ddd30befee5d/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:49:45,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:49:45,202 INFO L255 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 10:49:45,232 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:49:45,369 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2019-11-20 10:49:45,372 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 10:49:45,372 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2019-11-20 10:49:45,373 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604885578] [2019-11-20 10:49:45,373 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 10:49:45,374 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:49:45,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:49:45,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-20 10:49:45,374 INFO L87 Difference]: Start difference. First operand 21227 states and 24282 transitions. Second operand 3 states. [2019-11-20 10:49:46,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:49:46,696 INFO L93 Difference]: Finished difference Result 42470 states and 48598 transitions. [2019-11-20 10:49:46,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:49:46,697 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 260 [2019-11-20 10:49:46,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:49:46,738 INFO L225 Difference]: With dead ends: 42470 [2019-11-20 10:49:46,738 INFO L226 Difference]: Without dead ends: 21245 [2019-11-20 10:49:46,766 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-20 10:49:46,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21245 states. [2019-11-20 10:49:47,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21245 to 20618. [2019-11-20 10:49:47,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20618 states. [2019-11-20 10:49:47,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20618 states to 20618 states and 23185 transitions. [2019-11-20 10:49:47,502 INFO L78 Accepts]: Start accepts. Automaton has 20618 states and 23185 transitions. Word has length 260 [2019-11-20 10:49:47,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:49:47,503 INFO L462 AbstractCegarLoop]: Abstraction has 20618 states and 23185 transitions. [2019-11-20 10:49:47,503 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 10:49:47,503 INFO L276 IsEmpty]: Start isEmpty. Operand 20618 states and 23185 transitions. [2019-11-20 10:49:47,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-11-20 10:49:47,522 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:49:47,523 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-20 10:49:47,727 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:49:47,728 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:49:47,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:49:47,728 INFO L82 PathProgramCache]: Analyzing trace with hash -1666597647, now seen corresponding path program 1 times [2019-11-20 10:49:47,729 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:49:47,729 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742408661] [2019-11-20 10:49:47,729 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:49:47,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:49:47,925 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 87 proven. 3 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-11-20 10:49:47,925 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742408661] [2019-11-20 10:49:47,925 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124716306] [2019-11-20 10:49:47,926 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a2e87b88-7ed2-4296-a69c-ddd30befee5d/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:49:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:49:48,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 10:49:48,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:49:48,230 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-11-20 10:49:48,231 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 10:49:48,231 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-11-20 10:49:48,231 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802919355] [2019-11-20 10:49:48,232 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 10:49:48,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:49:48,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:49:48,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-20 10:49:48,233 INFO L87 Difference]: Start difference. First operand 20618 states and 23185 transitions. Second operand 3 states. [2019-11-20 10:49:49,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:49:49,501 INFO L93 Difference]: Finished difference Result 55276 states and 62224 transitions. [2019-11-20 10:49:49,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:49:49,502 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 270 [2019-11-20 10:49:49,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:49:49,561 INFO L225 Difference]: With dead ends: 55276 [2019-11-20 10:49:49,561 INFO L226 Difference]: Without dead ends: 34660 [2019-11-20 10:49:49,577 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-20 10:49:49,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34660 states. [2019-11-20 10:49:50,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34660 to 34625. [2019-11-20 10:49:50,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34625 states. [2019-11-20 10:49:50,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34625 states to 34625 states and 38656 transitions. [2019-11-20 10:49:50,097 INFO L78 Accepts]: Start accepts. Automaton has 34625 states and 38656 transitions. Word has length 270 [2019-11-20 10:49:50,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:49:50,098 INFO L462 AbstractCegarLoop]: Abstraction has 34625 states and 38656 transitions. [2019-11-20 10:49:50,098 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 10:49:50,098 INFO L276 IsEmpty]: Start isEmpty. Operand 34625 states and 38656 transitions. [2019-11-20 10:49:50,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2019-11-20 10:49:50,129 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:49:50,130 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-20 10:49:50,334 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:49:50,335 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:49:50,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:49:50,335 INFO L82 PathProgramCache]: Analyzing trace with hash -1954846457, now seen corresponding path program 1 times [2019-11-20 10:49:50,336 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:49:50,336 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463813166] [2019-11-20 10:49:50,336 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:49:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:49:51,127 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 104 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:49:51,127 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463813166] [2019-11-20 10:49:51,128 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901574137] [2019-11-20 10:49:51,128 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a2e87b88-7ed2-4296-a69c-ddd30befee5d/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:49:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:49:51,315 INFO L255 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 10:49:51,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:49:51,444 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:49:51,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 10:49:51,445 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-11-20 10:49:51,449 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527593417] [2019-11-20 10:49:51,449 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 10:49:51,450 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:49:51,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 10:49:51,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-20 10:49:51,450 INFO L87 Difference]: Start difference. First operand 34625 states and 38656 transitions. Second operand 3 states. [2019-11-20 10:49:52,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:49:52,845 INFO L93 Difference]: Finished difference Result 69874 states and 77969 transitions. [2019-11-20 10:49:52,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 10:49:52,845 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 284 [2019-11-20 10:49:52,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:49:52,847 INFO L225 Difference]: With dead ends: 69874 [2019-11-20 10:49:52,847 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 10:49:52,874 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 283 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-11-20 10:49:52,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 10:49:52,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 10:49:52,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 10:49:52,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 10:49:52,876 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 284 [2019-11-20 10:49:52,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:49:52,876 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 10:49:52,876 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 10:49:52,877 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 10:49:52,877 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 10:49:53,087 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 10:49:53,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 10:49:53,269 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 55 [2019-11-20 10:49:53,427 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 55 [2019-11-20 10:49:53,921 WARN L191 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2019-11-20 10:49:54,400 WARN L191 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2019-11-20 10:49:54,403 INFO L444 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2019-11-20 10:49:54,403 INFO L444 ceAbstractionStarter]: For program point L498-2(lines 498 511) no Hoare annotation was computed. [2019-11-20 10:49:54,403 INFO L444 ceAbstractionStarter]: For program point L1423(lines 1423 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,403 INFO L444 ceAbstractionStarter]: For program point L366(lines 366 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,403 INFO L444 ceAbstractionStarter]: For program point L1622-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,403 INFO L444 ceAbstractionStarter]: For program point L1556-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,403 INFO L444 ceAbstractionStarter]: For program point L1490-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,404 INFO L444 ceAbstractionStarter]: For program point L301(lines 301 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,404 INFO L444 ceAbstractionStarter]: For program point L1226(lines 1226 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,404 INFO L444 ceAbstractionStarter]: For program point L1623(line 1623) no Hoare annotation was computed. [2019-11-20 10:49:54,404 INFO L444 ceAbstractionStarter]: For program point L566(lines 566 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,404 INFO L444 ceAbstractionStarter]: For program point L1557(line 1557) no Hoare annotation was computed. [2019-11-20 10:49:54,404 INFO L444 ceAbstractionStarter]: For program point L1491(line 1491) no Hoare annotation was computed. [2019-11-20 10:49:54,404 INFO L444 ceAbstractionStarter]: For program point L434(lines 434 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,404 INFO L444 ceAbstractionStarter]: For program point L1359(lines 1359 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,404 INFO L444 ceAbstractionStarter]: For program point L1095(lines 1095 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,404 INFO L444 ceAbstractionStarter]: For program point L633(lines 633 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,404 INFO L444 ceAbstractionStarter]: For program point L1360(lines 1360 1379) no Hoare annotation was computed. [2019-11-20 10:49:54,405 INFO L444 ceAbstractionStarter]: For program point L1360-2(lines 1360 1379) no Hoare annotation was computed. [2019-11-20 10:49:54,405 INFO L444 ceAbstractionStarter]: For program point L1162(lines 1162 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,405 INFO L444 ceAbstractionStarter]: For program point L105(lines 105 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,405 INFO L444 ceAbstractionStarter]: For program point L1625-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,405 INFO L444 ceAbstractionStarter]: For program point L1559-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,405 INFO L444 ceAbstractionStarter]: For program point L1493-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,405 INFO L444 ceAbstractionStarter]: For program point L238(lines 238 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,405 INFO L444 ceAbstractionStarter]: For program point L172(lines 172 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,405 INFO L444 ceAbstractionStarter]: For program point L1031(lines 1031 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,405 INFO L444 ceAbstractionStarter]: For program point L899(lines 899 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,405 INFO L444 ceAbstractionStarter]: For program point L701(lines 701 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,406 INFO L444 ceAbstractionStarter]: For program point L1626(line 1626) no Hoare annotation was computed. [2019-11-20 10:49:54,406 INFO L444 ceAbstractionStarter]: For program point L1560(line 1560) no Hoare annotation was computed. [2019-11-20 10:49:54,406 INFO L444 ceAbstractionStarter]: For program point L1494(line 1494) no Hoare annotation was computed. [2019-11-20 10:49:54,406 INFO L444 ceAbstractionStarter]: For program point L966(lines 966 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,406 INFO L444 ceAbstractionStarter]: For program point L769(lines 769 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,406 INFO L444 ceAbstractionStarter]: For program point L1628-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,406 INFO L444 ceAbstractionStarter]: For program point L1562-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,406 INFO L444 ceAbstractionStarter]: For program point L1496-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,406 INFO L444 ceAbstractionStarter]: For program point L836(lines 836 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,406 INFO L444 ceAbstractionStarter]: For program point L1629(line 1629) no Hoare annotation was computed. [2019-11-20 10:49:54,406 INFO L444 ceAbstractionStarter]: For program point L1563(line 1563) no Hoare annotation was computed. [2019-11-20 10:49:54,407 INFO L444 ceAbstractionStarter]: For program point L1497(line 1497) no Hoare annotation was computed. [2019-11-20 10:49:54,407 INFO L444 ceAbstractionStarter]: For program point L441(lines 441 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,407 INFO L444 ceAbstractionStarter]: For program point L1432(lines 1432 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,407 INFO L444 ceAbstractionStarter]: For program point L574(lines 574 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,407 INFO L444 ceAbstractionStarter]: For program point L1631-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,407 INFO L444 ceAbstractionStarter]: For program point L1565-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,407 INFO L444 ceAbstractionStarter]: For program point L1499-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,407 INFO L444 ceAbstractionStarter]: For program point L1632(line 1632) no Hoare annotation was computed. [2019-11-20 10:49:54,407 INFO L444 ceAbstractionStarter]: For program point L1566(line 1566) no Hoare annotation was computed. [2019-11-20 10:49:54,407 INFO L444 ceAbstractionStarter]: For program point L1500(line 1500) no Hoare annotation was computed. [2019-11-20 10:49:54,407 INFO L444 ceAbstractionStarter]: For program point L377(lines 377 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,407 INFO L444 ceAbstractionStarter]: For program point L1104(lines 1104 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,408 INFO L444 ceAbstractionStarter]: For program point L1038(lines 1038 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,408 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 395) no Hoare annotation was computed. [2019-11-20 10:49:54,408 INFO L444 ceAbstractionStarter]: For program point L312(lines 312 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,408 INFO L444 ceAbstractionStarter]: For program point L378-2(lines 378 395) no Hoare annotation was computed. [2019-11-20 10:49:54,408 INFO L444 ceAbstractionStarter]: For program point L1237(lines 1237 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,408 INFO L444 ceAbstractionStarter]: For program point L114(lines 114 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,408 INFO L444 ceAbstractionStarter]: For program point L1039(lines 1039 1059) no Hoare annotation was computed. [2019-11-20 10:49:54,408 INFO L444 ceAbstractionStarter]: For program point L1039-2(lines 1039 1059) no Hoare annotation was computed. [2019-11-20 10:49:54,408 INFO L444 ceAbstractionStarter]: For program point L907(lines 907 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,408 INFO L444 ceAbstractionStarter]: For program point L709(lines 709 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,408 INFO L444 ceAbstractionStarter]: For program point L643(lines 643 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,410 INFO L444 ceAbstractionStarter]: For program point L1634-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,410 INFO L444 ceAbstractionStarter]: For program point L1568-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,410 INFO L444 ceAbstractionStarter]: For program point L1502-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,411 INFO L444 ceAbstractionStarter]: For program point L181(lines 181 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,411 INFO L444 ceAbstractionStarter]: For program point L710(lines 710 731) no Hoare annotation was computed. [2019-11-20 10:49:54,411 INFO L444 ceAbstractionStarter]: For program point L710-2(lines 710 731) no Hoare annotation was computed. [2019-11-20 10:49:54,411 INFO L444 ceAbstractionStarter]: For program point L1635(line 1635) no Hoare annotation was computed. [2019-11-20 10:49:54,411 INFO L444 ceAbstractionStarter]: For program point L1569(line 1569) no Hoare annotation was computed. [2019-11-20 10:49:54,411 INFO L444 ceAbstractionStarter]: For program point L1503(line 1503) no Hoare annotation was computed. [2019-11-20 10:49:54,411 INFO L444 ceAbstractionStarter]: For program point L1305(lines 1305 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,412 INFO L444 ceAbstractionStarter]: For program point L248(lines 248 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,412 INFO L444 ceAbstractionStarter]: For program point L1173(lines 1173 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,412 INFO L444 ceAbstractionStarter]: For program point L975(lines 975 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,412 INFO L444 ceAbstractionStarter]: For program point L777(lines 777 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,412 INFO L444 ceAbstractionStarter]: For program point L513(lines 513 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,412 INFO L444 ceAbstractionStarter]: For program point L844(lines 844 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,413 INFO L444 ceAbstractionStarter]: For program point L1637-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,413 INFO L444 ceAbstractionStarter]: For program point L1571-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,413 INFO L444 ceAbstractionStarter]: For program point L1505-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,413 INFO L444 ceAbstractionStarter]: For program point L1638(line 1638) no Hoare annotation was computed. [2019-11-20 10:49:54,413 INFO L444 ceAbstractionStarter]: For program point L1572(line 1572) no Hoare annotation was computed. [2019-11-20 10:49:54,413 INFO L444 ceAbstractionStarter]: For program point L1506(line 1506) no Hoare annotation was computed. [2019-11-20 10:49:54,413 INFO L444 ceAbstractionStarter]: For program point L450(lines 450 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,414 INFO L444 ceAbstractionStarter]: For program point L583(lines 583 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,414 INFO L444 ceAbstractionStarter]: For program point L1640-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,414 INFO L444 ceAbstractionStarter]: For program point L1574-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,414 INFO L444 ceAbstractionStarter]: For program point L1508-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,414 INFO L444 ceAbstractionStarter]: For program point L1442(lines 1442 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,414 INFO L444 ceAbstractionStarter]: For program point L319(lines 319 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,415 INFO L444 ceAbstractionStarter]: For program point L1112(lines 1112 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,415 INFO L444 ceAbstractionStarter]: For program point L55(lines 55 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,415 INFO L444 ceAbstractionStarter]: For program point L1641(line 1641) no Hoare annotation was computed. [2019-11-20 10:49:54,415 INFO L444 ceAbstractionStarter]: For program point L1575(line 1575) no Hoare annotation was computed. [2019-11-20 10:49:54,415 INFO L444 ceAbstractionStarter]: For program point L1509(line 1509) no Hoare annotation was computed. [2019-11-20 10:49:54,415 INFO L444 ceAbstractionStarter]: For program point L56(lines 56 71) no Hoare annotation was computed. [2019-11-20 10:49:54,415 INFO L444 ceAbstractionStarter]: For program point L56-2(lines 56 71) no Hoare annotation was computed. [2019-11-20 10:49:54,416 INFO L444 ceAbstractionStarter]: For program point L784(lines 784 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,416 INFO L444 ceAbstractionStarter]: For program point L1643-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,416 INFO L444 ceAbstractionStarter]: For program point L1577-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,416 INFO L444 ceAbstractionStarter]: For program point L1511-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,416 INFO L444 ceAbstractionStarter]: For program point L1313(lines 1313 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,416 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 10:49:54,417 INFO L444 ceAbstractionStarter]: For program point L983(lines 983 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,417 INFO L444 ceAbstractionStarter]: For program point L917(lines 917 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,417 INFO L444 ceAbstractionStarter]: For program point L653(lines 653 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,417 INFO L444 ceAbstractionStarter]: For program point L1644(line 1644) no Hoare annotation was computed. [2019-11-20 10:49:54,417 INFO L444 ceAbstractionStarter]: For program point L1578(line 1578) no Hoare annotation was computed. [2019-11-20 10:49:54,417 INFO L444 ceAbstractionStarter]: For program point L1512(line 1512) no Hoare annotation was computed. [2019-11-20 10:49:54,418 INFO L444 ceAbstractionStarter]: For program point L257(lines 257 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,418 INFO L444 ceAbstractionStarter]: For program point L191(lines 191 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,418 INFO L444 ceAbstractionStarter]: For program point L1182(lines 1182 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,418 INFO L444 ceAbstractionStarter]: For program point L918(lines 918 935) no Hoare annotation was computed. [2019-11-20 10:49:54,418 INFO L444 ceAbstractionStarter]: For program point L918-2(lines 918 935) no Hoare annotation was computed. [2019-11-20 10:49:54,418 INFO L444 ceAbstractionStarter]: For program point L522(lines 522 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,419 INFO L444 ceAbstractionStarter]: For program point L1381(lines 1381 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,419 INFO L444 ceAbstractionStarter]: For program point L1249(lines 1249 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,419 INFO L444 ceAbstractionStarter]: For program point L192(lines 192 211) no Hoare annotation was computed. [2019-11-20 10:49:54,419 INFO L444 ceAbstractionStarter]: For program point L126(lines 126 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,419 INFO L444 ceAbstractionStarter]: For program point L192-2(lines 192 211) no Hoare annotation was computed. [2019-11-20 10:49:54,419 INFO L444 ceAbstractionStarter]: For program point L853(lines 853 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,419 INFO L444 ceAbstractionStarter]: For program point L1646-1(lines 1646 1648) no Hoare annotation was computed. [2019-11-20 10:49:54,420 INFO L444 ceAbstractionStarter]: For program point L1580-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,420 INFO L444 ceAbstractionStarter]: For program point L1514-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,420 INFO L444 ceAbstractionStarter]: For program point L1382(lines 1382 1400) no Hoare annotation was computed. [2019-11-20 10:49:54,420 INFO L444 ceAbstractionStarter]: For program point L1382-2(lines 1382 1400) no Hoare annotation was computed. [2019-11-20 10:49:54,420 INFO L444 ceAbstractionStarter]: For program point L1250(lines 1250 1272) no Hoare annotation was computed. [2019-11-20 10:49:54,420 INFO L444 ceAbstractionStarter]: For program point L1250-2(lines 1250 1272) no Hoare annotation was computed. [2019-11-20 10:49:54,421 INFO L444 ceAbstractionStarter]: For program point L1647(line 1647) no Hoare annotation was computed. [2019-11-20 10:49:54,421 INFO L444 ceAbstractionStarter]: For program point L1581(line 1581) no Hoare annotation was computed. [2019-11-20 10:49:54,421 INFO L444 ceAbstractionStarter]: For program point L1515(line 1515) no Hoare annotation was computed. [2019-11-20 10:49:54,421 INFO L444 ceAbstractionStarter]: For program point L458(lines 458 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,421 INFO L444 ceAbstractionStarter]: For program point L1120(lines 1120 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,421 INFO L444 ceAbstractionStarter]: For program point L658(lines 658 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,423 INFO L440 ceAbstractionStarter]: At program point L1649(lines 54 1650) the Hoare annotation is: (let ((.cse6 (= 1 ~a3~0)) (.cse0 (<= ~a3~0 0)) (.cse5 (= ~a27~0 1)) (.cse2 (= 1 ~a6~0)) (.cse7 (= ~a12~0 1)) (.cse10 (= ~a26~0 1)) (.cse9 (not (= 0 ~a3~0))) (.cse4 (<= ~a6~0 0)) (.cse1 (<= ~a12~0 0)) (.cse3 (= ~a5~0 1)) (.cse8 (<= ~a27~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse5 .cse3) (and .cse4 .cse6 .cse7 .cse3 .cse8) (and .cse9 .cse5 .cse2 .cse7 .cse3) (and .cse5 .cse2 .cse7 .cse3 (= ~a15~0 1)) (and .cse0 .cse4 .cse7 .cse3 .cse8) (and .cse1 .cse5 .cse2 .cse3) (and .cse5 .cse2 .cse7 .cse3 .cse10) (and .cse6 .cse2 .cse7 .cse3 .cse8) (and .cse4 .cse5 .cse7 .cse3 .cse10) (and .cse0 .cse2 .cse7 .cse3 .cse8) (and .cse9 .cse4 .cse5 .cse7 .cse3) (and .cse1 .cse2 .cse3 .cse8) (and .cse4 .cse1 .cse3 .cse10 .cse8) (and (not (= ~a7~0 1)) .cse2 (= 1 ~a10~0) .cse7 .cse3 .cse8) (and .cse2 .cse7 .cse3 .cse10 .cse8) (and .cse4 .cse7 .cse3 .cse10 .cse8) (and .cse9 .cse4 .cse1 .cse3 .cse8))) [2019-11-20 10:49:54,423 INFO L444 ceAbstractionStarter]: For program point L592(lines 592 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,423 INFO L444 ceAbstractionStarter]: For program point L1583-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,424 INFO L444 ceAbstractionStarter]: For program point L1517-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,424 INFO L444 ceAbstractionStarter]: For program point L1584(line 1584) no Hoare annotation was computed. [2019-11-20 10:49:54,424 INFO L444 ceAbstractionStarter]: For program point L1518(line 1518) no Hoare annotation was computed. [2019-11-20 10:49:54,424 INFO L444 ceAbstractionStarter]: For program point L1452(lines 1452 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,424 INFO L444 ceAbstractionStarter]: For program point L329(lines 329 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,424 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 10:49:54,425 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1608) no Hoare annotation was computed. [2019-11-20 10:49:54,425 INFO L444 ceAbstractionStarter]: For program point L1321(lines 1321 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,425 INFO L447 ceAbstractionStarter]: At program point L1652(lines 1652 1669) the Hoare annotation is: true [2019-11-20 10:49:54,425 INFO L444 ceAbstractionStarter]: For program point L529(lines 529 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,425 INFO L444 ceAbstractionStarter]: For program point L1586-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,425 INFO L444 ceAbstractionStarter]: For program point L1520-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,426 INFO L444 ceAbstractionStarter]: For program point L397(lines 397 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,426 INFO L444 ceAbstractionStarter]: For program point L265(lines 265 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,426 INFO L444 ceAbstractionStarter]: For program point L1190(lines 1190 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,426 INFO L444 ceAbstractionStarter]: For program point L1587(line 1587) no Hoare annotation was computed. [2019-11-20 10:49:54,426 INFO L444 ceAbstractionStarter]: For program point L1521(line 1521) no Hoare annotation was computed. [2019-11-20 10:49:54,426 INFO L444 ceAbstractionStarter]: For program point L795(lines 795 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,426 INFO L444 ceAbstractionStarter]: For program point L135(lines 135 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,427 INFO L444 ceAbstractionStarter]: For program point L994(lines 994 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,427 INFO L444 ceAbstractionStarter]: For program point L1589-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,427 INFO L444 ceAbstractionStarter]: For program point L1523-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,427 INFO L444 ceAbstractionStarter]: For program point L1127(lines 1127 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,427 INFO L444 ceAbstractionStarter]: For program point L1061(lines 1061 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,427 INFO L444 ceAbstractionStarter]: For program point L863(lines 863 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,428 INFO L444 ceAbstractionStarter]: For program point L665(lines 665 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,428 INFO L444 ceAbstractionStarter]: For program point L1590(line 1590) no Hoare annotation was computed. [2019-11-20 10:49:54,428 INFO L444 ceAbstractionStarter]: For program point L1524(line 1524) no Hoare annotation was computed. [2019-11-20 10:49:54,428 INFO L444 ceAbstractionStarter]: For program point L467(lines 467 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,428 INFO L444 ceAbstractionStarter]: For program point L1326(lines 1326 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,428 INFO L444 ceAbstractionStarter]: For program point L468(lines 468 478) no Hoare annotation was computed. [2019-11-20 10:49:54,428 INFO L444 ceAbstractionStarter]: For program point L468-2(lines 468 478) no Hoare annotation was computed. [2019-11-20 10:49:54,429 INFO L444 ceAbstractionStarter]: For program point L733(lines 733 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,429 INFO L440 ceAbstractionStarter]: At program point L1658-2(lines 1658 1668) the Hoare annotation is: (let ((.cse6 (= 1 ~a3~0)) (.cse0 (<= ~a3~0 0)) (.cse5 (= ~a27~0 1)) (.cse2 (= 1 ~a6~0)) (.cse7 (= ~a12~0 1)) (.cse10 (= ~a26~0 1)) (.cse9 (not (= 0 ~a3~0))) (.cse4 (<= ~a6~0 0)) (.cse1 (<= ~a12~0 0)) (.cse3 (= ~a5~0 1)) (.cse8 (<= ~a27~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse5 .cse3) (and .cse4 .cse6 .cse7 .cse3 .cse8) (and .cse9 .cse5 .cse2 .cse7 .cse3) (and .cse5 .cse2 .cse7 .cse3 (= ~a15~0 1)) (and .cse0 .cse4 .cse7 .cse3 .cse8) (and .cse1 .cse5 .cse2 .cse3) (and .cse5 .cse2 .cse7 .cse3 .cse10) (and .cse6 .cse2 .cse7 .cse3 .cse8) (and .cse4 .cse5 .cse7 .cse3 .cse10) (and .cse0 .cse2 .cse7 .cse3 .cse8) (and .cse9 .cse4 .cse5 .cse7 .cse3) (and .cse1 .cse2 .cse3 .cse8) (and .cse4 .cse1 .cse3 .cse10 .cse8) (and (not (= ~a7~0 1)) .cse2 (= 1 ~a10~0) .cse7 .cse3 .cse8) (and .cse2 .cse7 .cse3 .cse10 .cse8) (and .cse4 .cse7 .cse3 .cse10 .cse8) (and .cse9 .cse4 .cse1 .cse3 .cse8))) [2019-11-20 10:49:54,429 INFO L444 ceAbstractionStarter]: For program point L1592-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,429 INFO L444 ceAbstractionStarter]: For program point L1526-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,429 INFO L444 ceAbstractionStarter]: For program point L1460(lines 1460 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,430 INFO L444 ceAbstractionStarter]: For program point L73(lines 73 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,430 INFO L444 ceAbstractionStarter]: For program point L1593(line 1593) no Hoare annotation was computed. [2019-11-20 10:49:54,430 INFO L444 ceAbstractionStarter]: For program point L1527(line 1527) no Hoare annotation was computed. [2019-11-20 10:49:54,430 INFO L444 ceAbstractionStarter]: For program point L603(lines 603 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,430 INFO L444 ceAbstractionStarter]: For program point L405(lines 405 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,430 INFO L444 ceAbstractionStarter]: For program point L339(lines 339 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,431 INFO L444 ceAbstractionStarter]: For program point L1132(lines 1132 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,431 INFO L444 ceAbstractionStarter]: For program point L1066(lines 1066 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,431 INFO L444 ceAbstractionStarter]: For program point L868(lines 868 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,431 INFO L444 ceAbstractionStarter]: For program point L1595-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,431 INFO L444 ceAbstractionStarter]: For program point L1529-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,431 INFO L444 ceAbstractionStarter]: For program point L869(lines 869 887) no Hoare annotation was computed. [2019-11-20 10:49:54,431 INFO L444 ceAbstractionStarter]: For program point L869-2(lines 869 887) no Hoare annotation was computed. [2019-11-20 10:49:54,432 INFO L444 ceAbstractionStarter]: For program point L1596(line 1596) no Hoare annotation was computed. [2019-11-20 10:49:54,432 INFO L444 ceAbstractionStarter]: For program point L539(lines 539 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,432 INFO L444 ceAbstractionStarter]: For program point L1530(line 1530) no Hoare annotation was computed. [2019-11-20 10:49:54,432 INFO L444 ceAbstractionStarter]: For program point L1200(lines 1200 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,432 INFO L444 ceAbstractionStarter]: For program point L804(lines 804 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,432 INFO L444 ceAbstractionStarter]: For program point L1663(line 1663) no Hoare annotation was computed. [2019-11-20 10:49:54,433 INFO L444 ceAbstractionStarter]: For program point L276(lines 276 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,433 INFO L444 ceAbstractionStarter]: For program point L1003(lines 1003 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,433 INFO L444 ceAbstractionStarter]: For program point L937(lines 937 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,433 INFO L444 ceAbstractionStarter]: For program point L1598-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,433 INFO L444 ceAbstractionStarter]: For program point L1532-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,433 INFO L444 ceAbstractionStarter]: For program point L1466(lines 1466 1468) no Hoare annotation was computed. [2019-11-20 10:49:54,433 INFO L444 ceAbstractionStarter]: For program point L1466-2(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,434 INFO L444 ceAbstractionStarter]: For program point L1599(line 1599) no Hoare annotation was computed. [2019-11-20 10:49:54,434 INFO L444 ceAbstractionStarter]: For program point L1533(line 1533) no Hoare annotation was computed. [2019-11-20 10:49:54,434 INFO L444 ceAbstractionStarter]: For program point L1467(line 1467) no Hoare annotation was computed. [2019-11-20 10:49:54,434 INFO L444 ceAbstractionStarter]: For program point L146(lines 146 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,434 INFO L444 ceAbstractionStarter]: For program point L675(lines 675 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,434 INFO L444 ceAbstractionStarter]: For program point L1402(lines 1402 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,434 INFO L444 ceAbstractionStarter]: For program point L1336(lines 1336 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,435 INFO L444 ceAbstractionStarter]: For program point L213(lines 213 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,435 INFO L444 ceAbstractionStarter]: For program point L1601-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,435 INFO L444 ceAbstractionStarter]: For program point L1535-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,435 INFO L444 ceAbstractionStarter]: For program point L1469-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,435 INFO L444 ceAbstractionStarter]: For program point L1403(lines 1403 1421) no Hoare annotation was computed. [2019-11-20 10:49:54,435 INFO L444 ceAbstractionStarter]: For program point L1403-2(lines 1403 1421) no Hoare annotation was computed. [2019-11-20 10:49:54,436 INFO L444 ceAbstractionStarter]: For program point L82(lines 82 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,436 INFO L444 ceAbstractionStarter]: For program point L743(lines 743 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,436 INFO L444 ceAbstractionStarter]: For program point L1602(line 1602) no Hoare annotation was computed. [2019-11-20 10:49:54,436 INFO L444 ceAbstractionStarter]: For program point L1536(line 1536) no Hoare annotation was computed. [2019-11-20 10:49:54,436 INFO L444 ceAbstractionStarter]: For program point L1470(line 1470) no Hoare annotation was computed. [2019-11-20 10:49:54,436 INFO L444 ceAbstractionStarter]: For program point L1074(lines 1074 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,436 INFO L444 ceAbstractionStarter]: For program point L546(lines 546 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,437 INFO L444 ceAbstractionStarter]: For program point L480(lines 480 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,437 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,437 INFO L444 ceAbstractionStarter]: For program point L348(lines 348 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,437 INFO L444 ceAbstractionStarter]: For program point L1604-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,437 INFO L444 ceAbstractionStarter]: For program point L1538-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,437 INFO L444 ceAbstractionStarter]: For program point L1472-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,438 INFO L444 ceAbstractionStarter]: For program point L1274(lines 1274 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,438 INFO L444 ceAbstractionStarter]: For program point L1142(lines 1142 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,438 INFO L444 ceAbstractionStarter]: For program point L614(lines 614 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,438 INFO L444 ceAbstractionStarter]: For program point L1605(line 1605) no Hoare annotation was computed. [2019-11-20 10:49:54,438 INFO L444 ceAbstractionStarter]: For program point L1539(line 1539) no Hoare annotation was computed. [2019-11-20 10:49:54,438 INFO L444 ceAbstractionStarter]: For program point L1473(line 1473) no Hoare annotation was computed. [2019-11-20 10:49:54,438 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 10:49:54,439 INFO L444 ceAbstractionStarter]: For program point L284(lines 284 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,439 INFO L444 ceAbstractionStarter]: For program point L1011(lines 1011 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,439 INFO L444 ceAbstractionStarter]: For program point L813(lines 813 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,439 INFO L444 ceAbstractionStarter]: For program point L1210(lines 1210 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,439 INFO L444 ceAbstractionStarter]: For program point L1607-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,439 INFO L444 ceAbstractionStarter]: For program point L1541-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,440 INFO L444 ceAbstractionStarter]: For program point L1475-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,440 INFO L444 ceAbstractionStarter]: For program point L1211(lines 1211 1224) no Hoare annotation was computed. [2019-11-20 10:49:54,440 INFO L444 ceAbstractionStarter]: For program point L1211-2(lines 1211 1224) no Hoare annotation was computed. [2019-11-20 10:49:54,440 INFO L444 ceAbstractionStarter]: For program point L947(lines 947 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,441 INFO L444 ceAbstractionStarter]: For program point L1608(line 1608) no Hoare annotation was computed. [2019-11-20 10:49:54,441 INFO L444 ceAbstractionStarter]: For program point L1542(line 1542) no Hoare annotation was computed. [2019-11-20 10:49:54,442 INFO L444 ceAbstractionStarter]: For program point L1476(line 1476) no Hoare annotation was computed. [2019-11-20 10:49:54,442 INFO L444 ceAbstractionStarter]: For program point L1344(lines 1344 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,442 INFO L444 ceAbstractionStarter]: For program point L155(lines 155 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,442 INFO L444 ceAbstractionStarter]: For program point L89(lines 89 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,442 INFO L444 ceAbstractionStarter]: For program point L684(lines 684 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,443 INFO L444 ceAbstractionStarter]: For program point L222(lines 222 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,443 INFO L444 ceAbstractionStarter]: For program point L685(lines 685 699) no Hoare annotation was computed. [2019-11-20 10:49:54,443 INFO L444 ceAbstractionStarter]: For program point L685-2(lines 685 699) no Hoare annotation was computed. [2019-11-20 10:49:54,445 INFO L444 ceAbstractionStarter]: For program point L1610-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,445 INFO L444 ceAbstractionStarter]: For program point L1544-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,445 INFO L444 ceAbstractionStarter]: For program point L1478-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,445 INFO L444 ceAbstractionStarter]: For program point L1611(line 1611) no Hoare annotation was computed. [2019-11-20 10:49:54,445 INFO L444 ceAbstractionStarter]: For program point L1545(line 1545) no Hoare annotation was computed. [2019-11-20 10:49:54,445 INFO L444 ceAbstractionStarter]: For program point L488(lines 488 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,446 INFO L444 ceAbstractionStarter]: For program point L1479(line 1479) no Hoare annotation was computed. [2019-11-20 10:49:54,446 INFO L444 ceAbstractionStarter]: For program point L422(lines 422 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,446 INFO L444 ceAbstractionStarter]: For program point L356(lines 356 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,446 INFO L444 ceAbstractionStarter]: For program point L753(lines 753 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,446 INFO L444 ceAbstractionStarter]: For program point L622(lines 622 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,446 INFO L444 ceAbstractionStarter]: For program point L556(lines 556 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,446 INFO L444 ceAbstractionStarter]: For program point L1613-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,447 INFO L444 ceAbstractionStarter]: For program point L1547-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,447 INFO L444 ceAbstractionStarter]: For program point L1481-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,447 INFO L444 ceAbstractionStarter]: For program point L292(lines 292 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,447 INFO L444 ceAbstractionStarter]: For program point L1283(lines 1283 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,447 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 10:49:54,447 INFO L444 ceAbstractionStarter]: For program point L1614(line 1614) no Hoare annotation was computed. [2019-11-20 10:49:54,447 INFO L444 ceAbstractionStarter]: For program point L1548(line 1548) no Hoare annotation was computed. [2019-11-20 10:49:54,448 INFO L444 ceAbstractionStarter]: For program point L1482(line 1482) no Hoare annotation was computed. [2019-11-20 10:49:54,448 INFO L444 ceAbstractionStarter]: For program point L1350(lines 1350 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,448 INFO L444 ceAbstractionStarter]: For program point L1284(lines 1284 1303) no Hoare annotation was computed. [2019-11-20 10:49:54,448 INFO L444 ceAbstractionStarter]: For program point L1284-2(lines 1284 1303) no Hoare annotation was computed. [2019-11-20 10:49:54,448 INFO L444 ceAbstractionStarter]: For program point L1152(lines 1152 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,448 INFO L444 ceAbstractionStarter]: For program point L95(lines 95 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,449 INFO L444 ceAbstractionStarter]: For program point L1086(lines 1086 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,449 INFO L444 ceAbstractionStarter]: For program point L1021(lines 1021 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,449 INFO L444 ceAbstractionStarter]: For program point L955(lines 955 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,449 INFO L444 ceAbstractionStarter]: For program point L889(lines 889 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,449 INFO L444 ceAbstractionStarter]: For program point L1616-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,449 INFO L444 ceAbstractionStarter]: For program point L1550-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,449 INFO L444 ceAbstractionStarter]: For program point L1484-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,450 INFO L444 ceAbstractionStarter]: For program point L1617(line 1617) no Hoare annotation was computed. [2019-11-20 10:49:54,450 INFO L444 ceAbstractionStarter]: For program point L1551(line 1551) no Hoare annotation was computed. [2019-11-20 10:49:54,450 INFO L444 ceAbstractionStarter]: For program point L1485(line 1485) no Hoare annotation was computed. [2019-11-20 10:49:54,450 INFO L444 ceAbstractionStarter]: For program point L164(lines 164 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,450 INFO L444 ceAbstractionStarter]: For program point L825(lines 825 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,450 INFO L444 ceAbstractionStarter]: For program point L1619-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,450 INFO L444 ceAbstractionStarter]: For program point L1553-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,451 INFO L444 ceAbstractionStarter]: For program point L1487-1(lines 54 1650) no Hoare annotation was computed. [2019-11-20 10:49:54,451 INFO L444 ceAbstractionStarter]: For program point L761(lines 761 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,451 INFO L444 ceAbstractionStarter]: For program point L1620(line 1620) no Hoare annotation was computed. [2019-11-20 10:49:54,451 INFO L444 ceAbstractionStarter]: For program point L1554(line 1554) no Hoare annotation was computed. [2019-11-20 10:49:54,451 INFO L444 ceAbstractionStarter]: For program point L497(lines 497 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,451 INFO L444 ceAbstractionStarter]: For program point L1488(line 1488) no Hoare annotation was computed. [2019-11-20 10:49:54,451 INFO L444 ceAbstractionStarter]: For program point L233(lines 233 1465) no Hoare annotation was computed. [2019-11-20 10:49:54,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:49:54 BoogieIcfgContainer [2019-11-20 10:49:54,513 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 10:49:54,513 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:49:54,513 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:49:54,513 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:49:54,514 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:49:29" (3/4) ... [2019-11-20 10:49:54,517 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 10:49:54,557 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 10:49:54,561 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 10:49:54,806 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a2e87b88-7ed2-4296-a69c-ddd30befee5d/bin/uautomizer/witness.graphml [2019-11-20 10:49:54,807 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:49:54,808 INFO L168 Benchmark]: Toolchain (without parser) took 29740.38 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.1 GB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -189.3 MB). Peak memory consumption was 910.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:49:54,808 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:49:54,809 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1145.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -128.0 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2019-11-20 10:49:54,809 INFO L168 Benchmark]: Boogie Procedure Inliner took 150.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2019-11-20 10:49:54,810 INFO L168 Benchmark]: Boogie Preprocessor took 134.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2019-11-20 10:49:54,810 INFO L168 Benchmark]: RCFGBuilder took 2511.98 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 131.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -202.2 MB). Peak memory consumption was 274.5 MB. Max. memory is 11.5 GB. [2019-11-20 10:49:54,810 INFO L168 Benchmark]: TraceAbstraction took 25496.98 ms. Allocated memory was 1.3 GB in the beginning and 2.1 GB in the end (delta: 823.7 MB). Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 55.6 MB). Peak memory consumption was 879.3 MB. Max. memory is 11.5 GB. [2019-11-20 10:49:54,811 INFO L168 Benchmark]: Witness Printer took 293.77 ms. Allocated memory is still 2.1 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 56.7 MB). Peak memory consumption was 56.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:49:54,813 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1145.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -128.0 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 150.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 134.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2511.98 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 131.6 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -202.2 MB). Peak memory consumption was 274.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 25496.98 ms. Allocated memory was 1.3 GB in the beginning and 2.1 GB in the end (delta: 823.7 MB). Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 55.6 MB). Peak memory consumption was 879.3 MB. Max. memory is 11.5 GB. * Witness Printer took 293.77 ms. Allocated memory is still 2.1 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 56.7 MB). Peak memory consumption was 56.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1608]: 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: (((((((((((((((((((a3 <= 0 && a12 <= 0) && 1 == a6) && a5 == 1) || (((a6 <= 0 && a12 <= 0) && a27 == 1) && a5 == 1)) || ((((a6 <= 0 && 1 == a3) && a12 == 1) && a5 == 1) && a27 <= 0)) || ((((!(0 == a3) && a27 == 1) && 1 == a6) && a12 == 1) && a5 == 1)) || ((((a27 == 1 && 1 == a6) && a12 == 1) && a5 == 1) && a15 == 1)) || ((((a3 <= 0 && a6 <= 0) && a12 == 1) && a5 == 1) && a27 <= 0)) || (((a12 <= 0 && a27 == 1) && 1 == a6) && a5 == 1)) || ((((a27 == 1 && 1 == a6) && a12 == 1) && a5 == 1) && a26 == 1)) || ((((1 == a3 && 1 == a6) && a12 == 1) && a5 == 1) && a27 <= 0)) || ((((a6 <= 0 && a27 == 1) && a12 == 1) && a5 == 1) && a26 == 1)) || ((((a3 <= 0 && 1 == a6) && a12 == 1) && a5 == 1) && a27 <= 0)) || ((((!(0 == a3) && a6 <= 0) && a27 == 1) && a12 == 1) && a5 == 1)) || (((a12 <= 0 && 1 == a6) && a5 == 1) && a27 <= 0)) || ((((a6 <= 0 && a12 <= 0) && a5 == 1) && a26 == 1) && a27 <= 0)) || (((((!(a7 == 1) && 1 == a6) && 1 == a10) && a12 == 1) && a5 == 1) && a27 <= 0)) || ((((1 == a6 && a12 == 1) && a5 == 1) && a26 == 1) && a27 <= 0)) || ((((a6 <= 0 && a12 == 1) && a5 == 1) && a26 == 1) && a27 <= 0)) || ((((!(0 == a3) && a6 <= 0) && a12 <= 0) && a5 == 1) && a27 <= 0) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (((((((((((((((((((a3 <= 0 && a12 <= 0) && 1 == a6) && a5 == 1) || (((a6 <= 0 && a12 <= 0) && a27 == 1) && a5 == 1)) || ((((a6 <= 0 && 1 == a3) && a12 == 1) && a5 == 1) && a27 <= 0)) || ((((!(0 == a3) && a27 == 1) && 1 == a6) && a12 == 1) && a5 == 1)) || ((((a27 == 1 && 1 == a6) && a12 == 1) && a5 == 1) && a15 == 1)) || ((((a3 <= 0 && a6 <= 0) && a12 == 1) && a5 == 1) && a27 <= 0)) || (((a12 <= 0 && a27 == 1) && 1 == a6) && a5 == 1)) || ((((a27 == 1 && 1 == a6) && a12 == 1) && a5 == 1) && a26 == 1)) || ((((1 == a3 && 1 == a6) && a12 == 1) && a5 == 1) && a27 <= 0)) || ((((a6 <= 0 && a27 == 1) && a12 == 1) && a5 == 1) && a26 == 1)) || ((((a3 <= 0 && 1 == a6) && a12 == 1) && a5 == 1) && a27 <= 0)) || ((((!(0 == a3) && a6 <= 0) && a27 == 1) && a12 == 1) && a5 == 1)) || (((a12 <= 0 && 1 == a6) && a5 == 1) && a27 <= 0)) || ((((a6 <= 0 && a12 <= 0) && a5 == 1) && a26 == 1) && a27 <= 0)) || (((((!(a7 == 1) && 1 == a6) && 1 == a10) && a12 == 1) && a5 == 1) && a27 <= 0)) || ((((1 == a6 && a12 == 1) && a5 == 1) && a26 == 1) && a27 <= 0)) || ((((a6 <= 0 && a12 == 1) && a5 == 1) && a26 == 1) && a27 <= 0)) || ((((!(0 == a3) && a6 <= 0) && a12 <= 0) && a5 == 1) && a27 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 302 locations, 1 error locations. Result: SAFE, OverallTime: 25.3s, OverallIterations: 12, TraceHistogramMax: 5, AutomataDifference: 16.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, HoareTripleCheckerStatistics: 2294 SDtfs, 3303 SDslu, 295 SDs, 0 SdLazy, 8498 SolverSat, 1746 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 853 GetRequests, 823 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34625occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 704 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 352 NumberOfFragments, 569 HoareAnnotationTreeSize, 3 FomulaSimplifications, 7128 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 3 FomulaSimplificationsInter, 354 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 3618 NumberOfCodeBlocks, 3618 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3603 ConstructedInterpolants, 0 QuantifiedInterpolants, 1933145 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1507 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 1099/1113 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...