./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label34.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_3bf14df0-6ae2-4cb1-abb8-b1c13b27f1c0/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3bf14df0-6ae2-4cb1-abb8-b1c13b27f1c0/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3bf14df0-6ae2-4cb1-abb8-b1c13b27f1c0/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3bf14df0-6ae2-4cb1-abb8-b1c13b27f1c0/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label34.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3bf14df0-6ae2-4cb1-abb8-b1c13b27f1c0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3bf14df0-6ae2-4cb1-abb8-b1c13b27f1c0/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 fbcb07371208327a722ea46e4a68d92ffffb2dff ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:00:09,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:00:09,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:00:09,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:00:09,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:00:09,356 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:00:09,357 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:00:09,359 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:00:09,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:00:09,362 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:00:09,363 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:00:09,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:00:09,365 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:00:09,366 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:00:09,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:00:09,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:00:09,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:00:09,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:00:09,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:00:09,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:00:09,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:00:09,387 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:00:09,389 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:00:09,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:00:09,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:00:09,396 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:00:09,397 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:00:09,398 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:00:09,399 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:00:09,400 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:00:09,401 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:00:09,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:00:09,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:00:09,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:00:09,405 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:00:09,405 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:00:09,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:00:09,406 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:00:09,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:00:09,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:00:09,409 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:00:09,410 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3bf14df0-6ae2-4cb1-abb8-b1c13b27f1c0/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-19 22:00:09,428 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:00:09,429 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:00:09,430 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:00:09,430 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:00:09,430 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:00:09,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:00:09,431 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:00:09,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:00:09,432 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:00:09,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:00:09,433 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 22:00:09,433 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 22:00:09,433 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 22:00:09,434 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:00:09,434 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:00:09,434 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:00:09,434 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 22:00:09,434 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:00:09,435 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:00:09,435 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 22:00:09,435 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 22:00:09,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 22:00:09,436 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:00:09,436 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 22:00:09,436 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 22:00:09,436 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:00:09,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 22:00:09,437 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 22:00:09,437 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_3bf14df0-6ae2-4cb1-abb8-b1c13b27f1c0/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 -> fbcb07371208327a722ea46e4a68d92ffffb2dff [2019-11-19 22:00:09,602 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:00:09,612 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:00:09,615 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:00:09,617 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:00:09,617 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:00:09,618 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3bf14df0-6ae2-4cb1-abb8-b1c13b27f1c0/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label34.c [2019-11-19 22:00:09,667 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3bf14df0-6ae2-4cb1-abb8-b1c13b27f1c0/bin/uautomizer/data/59ad976eb/33f7756f2f87415581842361e1e9d26d/FLAG111c3c3bb [2019-11-19 22:00:10,190 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:00:10,191 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3bf14df0-6ae2-4cb1-abb8-b1c13b27f1c0/sv-benchmarks/c/eca-rers2012/Problem10_label34.c [2019-11-19 22:00:10,203 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3bf14df0-6ae2-4cb1-abb8-b1c13b27f1c0/bin/uautomizer/data/59ad976eb/33f7756f2f87415581842361e1e9d26d/FLAG111c3c3bb [2019-11-19 22:00:10,656 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3bf14df0-6ae2-4cb1-abb8-b1c13b27f1c0/bin/uautomizer/data/59ad976eb/33f7756f2f87415581842361e1e9d26d [2019-11-19 22:00:10,669 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:00:10,671 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:00:10,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:00:10,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:00:10,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:00:10,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:00:10" (1/1) ... [2019-11-19 22:00:10,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f9bd402 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:10, skipping insertion in model container [2019-11-19 22:00:10,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:00:10" (1/1) ... [2019-11-19 22:00:10,702 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:00:10,786 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:00:11,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:00:11,203 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:00:11,333 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:00:11,347 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:00:11,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:11 WrapperNode [2019-11-19 22:00:11,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:00:11,349 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:00:11,349 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:00:11,349 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:00:11,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:11" (1/1) ... [2019-11-19 22:00:11,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:11" (1/1) ... [2019-11-19 22:00:11,442 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:00:11,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:00:11,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:00:11,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:00:11,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:11" (1/1) ... [2019-11-19 22:00:11,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:11" (1/1) ... [2019-11-19 22:00:11,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:11" (1/1) ... [2019-11-19 22:00:11,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:11" (1/1) ... [2019-11-19 22:00:11,494 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:11" (1/1) ... [2019-11-19 22:00:11,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:11" (1/1) ... [2019-11-19 22:00:11,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:11" (1/1) ... [2019-11-19 22:00:11,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:00:11,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:00:11,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:00:11,528 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:00:11,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3bf14df0-6ae2-4cb1-abb8-b1c13b27f1c0/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 22:00:11,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:00:11,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:00:12,802 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:00:12,802 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-19 22:00:12,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:00:12 BoogieIcfgContainer [2019-11-19 22:00:12,803 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:00:12,804 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 22:00:12,804 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 22:00:12,806 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 22:00:12,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:00:10" (1/3) ... [2019-11-19 22:00:12,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5247acc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:00:12, skipping insertion in model container [2019-11-19 22:00:12,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:11" (2/3) ... [2019-11-19 22:00:12,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5247acc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:00:12, skipping insertion in model container [2019-11-19 22:00:12,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:00:12" (3/3) ... [2019-11-19 22:00:12,814 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label34.c [2019-11-19 22:00:12,822 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 22:00:12,829 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-19 22:00:12,838 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-19 22:00:12,862 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 22:00:12,862 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 22:00:12,862 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 22:00:12,862 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:00:12,863 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:00:12,863 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 22:00:12,863 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:00:12,863 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 22:00:12,882 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2019-11-19 22:00:12,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-19 22:00:12,891 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:00:12,892 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] [2019-11-19 22:00:12,892 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:00:12,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:00:12,898 INFO L82 PathProgramCache]: Analyzing trace with hash -696204111, now seen corresponding path program 1 times [2019-11-19 22:00:12,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:00:12,907 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469709002] [2019-11-19 22:00:12,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:00:13,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:00:13,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:00:13,422 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469709002] [2019-11-19 22:00:13,422 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:00:13,423 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-19 22:00:13,424 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394858608] [2019-11-19 22:00:13,429 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-19 22:00:13,429 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:00:13,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-19 22:00:13,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-19 22:00:13,445 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 7 states. [2019-11-19 22:00:16,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:00:16,226 INFO L93 Difference]: Finished difference Result 982 states and 1810 transitions. [2019-11-19 22:00:16,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-19 22:00:16,227 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 63 [2019-11-19 22:00:16,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:00:16,247 INFO L225 Difference]: With dead ends: 982 [2019-11-19 22:00:16,247 INFO L226 Difference]: Without dead ends: 699 [2019-11-19 22:00:16,252 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2019-11-19 22:00:16,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2019-11-19 22:00:16,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 421. [2019-11-19 22:00:16,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2019-11-19 22:00:16,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 581 transitions. [2019-11-19 22:00:16,324 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 581 transitions. Word has length 63 [2019-11-19 22:00:16,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:00:16,329 INFO L462 AbstractCegarLoop]: Abstraction has 421 states and 581 transitions. [2019-11-19 22:00:16,329 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-19 22:00:16,329 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 581 transitions. [2019-11-19 22:00:16,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-11-19 22:00:16,339 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:00:16,340 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:00:16,340 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:00:16,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:00:16,341 INFO L82 PathProgramCache]: Analyzing trace with hash -860627322, now seen corresponding path program 1 times [2019-11-19 22:00:16,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:00:16,341 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436144715] [2019-11-19 22:00:16,342 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:00:16,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:00:16,579 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:00:16,579 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436144715] [2019-11-19 22:00:16,580 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:00:16,580 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:00:16,580 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467923491] [2019-11-19 22:00:16,582 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 22:00:16,582 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:00:16,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 22:00:16,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 22:00:16,583 INFO L87 Difference]: Start difference. First operand 421 states and 581 transitions. Second operand 4 states. [2019-11-19 22:00:17,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:00:17,377 INFO L93 Difference]: Finished difference Result 1257 states and 1737 transitions. [2019-11-19 22:00:17,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 22:00:17,380 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 181 [2019-11-19 22:00:17,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:00:17,385 INFO L225 Difference]: With dead ends: 1257 [2019-11-19 22:00:17,385 INFO L226 Difference]: Without dead ends: 838 [2019-11-19 22:00:17,389 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 22:00:17,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2019-11-19 22:00:17,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 699. [2019-11-19 22:00:17,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2019-11-19 22:00:17,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 889 transitions. [2019-11-19 22:00:17,427 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 889 transitions. Word has length 181 [2019-11-19 22:00:17,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:00:17,428 INFO L462 AbstractCegarLoop]: Abstraction has 699 states and 889 transitions. [2019-11-19 22:00:17,428 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 22:00:17,428 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 889 transitions. [2019-11-19 22:00:17,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-11-19 22:00:17,441 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:00:17,441 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:00:17,442 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:00:17,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:00:17,442 INFO L82 PathProgramCache]: Analyzing trace with hash 508581045, now seen corresponding path program 1 times [2019-11-19 22:00:17,442 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:00:17,443 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707837825] [2019-11-19 22:00:17,443 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:00:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:00:17,634 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:00:17,634 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707837825] [2019-11-19 22:00:17,635 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:00:17,635 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 22:00:17,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342210784] [2019-11-19 22:00:17,638 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 22:00:17,639 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:00:17,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 22:00:17,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 22:00:17,641 INFO L87 Difference]: Start difference. First operand 699 states and 889 transitions. Second operand 4 states. [2019-11-19 22:00:18,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:00:18,517 INFO L93 Difference]: Finished difference Result 1674 states and 2200 transitions. [2019-11-19 22:00:18,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 22:00:18,518 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 207 [2019-11-19 22:00:18,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:00:18,528 INFO L225 Difference]: With dead ends: 1674 [2019-11-19 22:00:18,529 INFO L226 Difference]: Without dead ends: 1116 [2019-11-19 22:00:18,537 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 22:00:18,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2019-11-19 22:00:18,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 977. [2019-11-19 22:00:18,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2019-11-19 22:00:18,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1197 transitions. [2019-11-19 22:00:18,569 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1197 transitions. Word has length 207 [2019-11-19 22:00:18,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:00:18,570 INFO L462 AbstractCegarLoop]: Abstraction has 977 states and 1197 transitions. [2019-11-19 22:00:18,571 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 22:00:18,571 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1197 transitions. [2019-11-19 22:00:18,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2019-11-19 22:00:18,592 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:00:18,592 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:00:18,593 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:00:18,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:00:18,593 INFO L82 PathProgramCache]: Analyzing trace with hash -56516010, now seen corresponding path program 1 times [2019-11-19 22:00:18,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:00:18,594 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894390408] [2019-11-19 22:00:18,595 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:00:18,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:00:18,891 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 347 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2019-11-19 22:00:18,892 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894390408] [2019-11-19 22:00:18,892 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:00:18,892 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:00:18,893 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904706409] [2019-11-19 22:00:18,894 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-19 22:00:18,894 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:00:18,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 22:00:18,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 22:00:18,895 INFO L87 Difference]: Start difference. First operand 977 states and 1197 transitions. Second operand 3 states. [2019-11-19 22:00:19,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:00:19,556 INFO L93 Difference]: Finished difference Result 2230 states and 2765 transitions. [2019-11-19 22:00:19,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 22:00:19,557 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 299 [2019-11-19 22:00:19,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:00:19,563 INFO L225 Difference]: With dead ends: 2230 [2019-11-19 22:00:19,563 INFO L226 Difference]: Without dead ends: 977 [2019-11-19 22:00:19,567 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 22:00:19,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2019-11-19 22:00:19,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2019-11-19 22:00:19,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2019-11-19 22:00:19,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1170 transitions. [2019-11-19 22:00:19,592 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1170 transitions. Word has length 299 [2019-11-19 22:00:19,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:00:19,593 INFO L462 AbstractCegarLoop]: Abstraction has 977 states and 1170 transitions. [2019-11-19 22:00:19,593 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-19 22:00:19,593 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1170 transitions. [2019-11-19 22:00:19,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2019-11-19 22:00:19,600 INFO L402 BasicCegarLoop]: Found error trace [2019-11-19 22:00:19,600 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-19 22:00:19,600 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-19 22:00:19,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:00:19,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1517221756, now seen corresponding path program 1 times [2019-11-19 22:00:19,601 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:00:19,601 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569149644] [2019-11-19 22:00:19,602 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:00:19,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:00:19,913 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2019-11-19 22:00:19,913 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569149644] [2019-11-19 22:00:19,914 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:00:19,914 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-19 22:00:19,914 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892052883] [2019-11-19 22:00:19,915 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-19 22:00:19,915 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:00:19,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-19 22:00:19,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 22:00:19,916 INFO L87 Difference]: Start difference. First operand 977 states and 1170 transitions. Second operand 4 states. [2019-11-19 22:00:20,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:00:20,825 INFO L93 Difference]: Finished difference Result 2228 states and 2739 transitions. [2019-11-19 22:00:20,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-19 22:00:20,829 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 335 [2019-11-19 22:00:20,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-19 22:00:20,830 INFO L225 Difference]: With dead ends: 2228 [2019-11-19 22:00:20,830 INFO L226 Difference]: Without dead ends: 0 [2019-11-19 22:00:20,833 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-19 22:00:20,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-19 22:00:20,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-19 22:00:20,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-19 22:00:20,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 22:00:20,833 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 335 [2019-11-19 22:00:20,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-19 22:00:20,834 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:00:20,834 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-19 22:00:20,834 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-19 22:00:20,834 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 22:00:20,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-19 22:00:21,017 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 21 [2019-11-19 22:00:21,126 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 21 [2019-11-19 22:00:21,129 INFO L444 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-11-19 22:00:21,130 INFO L444 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,130 INFO L444 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,130 INFO L444 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,130 INFO L444 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,130 INFO L444 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,130 INFO L444 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,130 INFO L444 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-11-19 22:00:21,130 INFO L444 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-11-19 22:00:21,130 INFO L444 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-19 22:00:21,130 INFO L444 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-19 22:00:21,131 INFO L444 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-19 22:00:21,131 INFO L444 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-19 22:00:21,131 INFO L444 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-19 22:00:21,131 INFO L444 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-19 22:00:21,131 INFO L444 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-11-19 22:00:21,131 INFO L444 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-11-19 22:00:21,131 INFO L444 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-11-19 22:00:21,131 INFO L444 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,131 INFO L444 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,131 INFO L444 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,132 INFO L444 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,132 INFO L444 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,132 INFO L444 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-11-19 22:00:21,132 INFO L444 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-11-19 22:00:21,132 INFO L444 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-11-19 22:00:21,132 INFO L444 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-11-19 22:00:21,132 INFO L444 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-19 22:00:21,132 INFO L444 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-19 22:00:21,132 INFO L444 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-19 22:00:21,132 INFO L444 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-19 22:00:21,132 INFO L444 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-19 22:00:21,132 INFO L444 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-11-19 22:00:21,133 INFO L444 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-11-19 22:00:21,133 INFO L444 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-11-19 22:00:21,133 INFO L444 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-11-19 22:00:21,133 INFO L444 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-11-19 22:00:21,133 INFO L444 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,133 INFO L444 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,133 INFO L444 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,133 INFO L444 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,133 INFO L444 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,133 INFO L444 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-11-19 22:00:21,134 INFO L444 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-19 22:00:21,134 INFO L444 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-19 22:00:21,134 INFO L444 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-19 22:00:21,134 INFO L444 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-19 22:00:21,134 INFO L444 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-19 22:00:21,134 INFO L440 ceAbstractionStarter]: At program point L573(lines 20 574) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 7)))) (or (= ~a10~0 2) (and .cse0 (not (= 10 ~a19~0))) (= ~a10~0 1) (and (not (= ~a10~0 3)) .cse0 (not (= ~a10~0 4))))) [2019-11-19 22:00:21,134 INFO L444 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-11-19 22:00:21,134 INFO L444 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-11-19 22:00:21,135 INFO L444 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-11-19 22:00:21,135 INFO L444 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-11-19 22:00:21,135 INFO L444 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,135 INFO L444 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,135 INFO L444 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,135 INFO L444 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,135 INFO L444 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,135 INFO L444 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-11-19 22:00:21,135 INFO L444 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-11-19 22:00:21,135 INFO L444 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-11-19 22:00:21,135 INFO L444 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-19 22:00:21,136 INFO L444 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-19 22:00:21,136 INFO L444 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-19 22:00:21,136 INFO L444 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-19 22:00:21,136 INFO L444 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-19 22:00:21,136 INFO L444 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-11-19 22:00:21,136 INFO L444 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-11-19 22:00:21,136 INFO L447 ceAbstractionStarter]: At program point L576(lines 576 592) the Hoare annotation is: true [2019-11-19 22:00:21,136 INFO L444 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-11-19 22:00:21,136 INFO L444 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-11-19 22:00:21,136 INFO L444 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-11-19 22:00:21,136 INFO L444 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,136 INFO L444 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,138 INFO L444 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,138 INFO L444 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,139 INFO L444 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,139 INFO L444 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-19 22:00:21,139 INFO L444 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-19 22:00:21,139 INFO L444 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-19 22:00:21,139 INFO L444 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-19 22:00:21,139 INFO L444 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-19 22:00:21,139 INFO L444 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-11-19 22:00:21,139 INFO L444 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-11-19 22:00:21,139 INFO L444 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-11-19 22:00:21,140 INFO L444 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-11-19 22:00:21,140 INFO L444 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,140 INFO L444 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,140 INFO L444 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,140 INFO L444 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,140 INFO L444 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,140 INFO L444 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-11-19 22:00:21,140 INFO L444 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-11-19 22:00:21,140 INFO L444 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-11-19 22:00:21,140 INFO L444 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-11-19 22:00:21,140 INFO L444 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-19 22:00:21,140 INFO L444 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-19 22:00:21,140 INFO L444 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-19 22:00:21,140 INFO L444 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-19 22:00:21,141 INFO L444 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-19 22:00:21,141 INFO L444 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-11-19 22:00:21,141 INFO L444 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-11-19 22:00:21,141 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 22:00:21,141 INFO L444 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-11-19 22:00:21,141 INFO L440 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 7)))) (or (= ~a10~0 2) (and .cse0 (not (= 10 ~a19~0))) (= ~a10~0 1) (and (not (= ~a10~0 3)) .cse0 (not (= ~a10~0 4))))) [2019-11-19 22:00:21,142 INFO L444 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-11-19 22:00:21,142 INFO L444 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,142 INFO L444 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,142 INFO L444 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,142 INFO L444 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,142 INFO L444 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-19 22:00:21,142 INFO L444 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,143 INFO L444 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,143 INFO L444 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-11-19 22:00:21,143 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-11-19 22:00:21,143 INFO L444 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-11-19 22:00:21,143 INFO L444 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-19 22:00:21,143 INFO L444 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-19 22:00:21,143 INFO L444 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-19 22:00:21,144 INFO L444 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-19 22:00:21,144 INFO L444 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-19 22:00:21,144 INFO L444 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-19 22:00:21,144 INFO L444 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-11-19 22:00:21,144 INFO L444 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-11-19 22:00:21,144 INFO L444 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-11-19 22:00:21,144 INFO L444 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-11-19 22:00:21,145 INFO L444 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,145 INFO L444 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,145 INFO L444 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,145 INFO L444 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,145 INFO L444 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,145 INFO L444 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,145 INFO L444 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-11-19 22:00:21,146 INFO L444 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-11-19 22:00:21,146 INFO L444 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-11-19 22:00:21,146 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 22:00:21,146 INFO L444 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-19 22:00:21,146 INFO L444 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-19 22:00:21,146 INFO L444 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-19 22:00:21,146 INFO L444 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-19 22:00:21,147 INFO L444 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-19 22:00:21,147 INFO L444 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-19 22:00:21,147 INFO L444 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-11-19 22:00:21,147 INFO L444 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-11-19 22:00:21,147 INFO L444 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-11-19 22:00:21,147 INFO L444 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-11-19 22:00:21,147 INFO L444 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-11-19 22:00:21,148 INFO L444 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-11-19 22:00:21,148 INFO L444 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,148 INFO L444 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,148 INFO L444 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,148 INFO L444 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,148 INFO L444 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,148 INFO L444 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,149 INFO L444 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-11-19 22:00:21,149 INFO L444 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-19 22:00:21,149 INFO L444 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-19 22:00:21,149 INFO L444 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-19 22:00:21,149 INFO L444 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-19 22:00:21,149 INFO L444 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-19 22:00:21,149 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 22:00:21,150 INFO L444 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-19 22:00:21,150 INFO L444 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-11-19 22:00:21,150 INFO L444 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-11-19 22:00:21,150 INFO L444 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-11-19 22:00:21,150 INFO L444 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-11-19 22:00:21,150 INFO L444 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-11-19 22:00:21,150 INFO L444 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-11-19 22:00:21,151 INFO L444 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,151 INFO L444 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,151 INFO L444 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,151 INFO L444 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,151 INFO L444 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,151 INFO L444 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,152 INFO L444 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-11-19 22:00:21,152 INFO L444 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-11-19 22:00:21,152 INFO L444 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-11-19 22:00:21,152 INFO L444 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-19 22:00:21,152 INFO L444 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-19 22:00:21,152 INFO L444 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-19 22:00:21,152 INFO L444 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-19 22:00:21,153 INFO L444 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-19 22:00:21,153 INFO L444 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-19 22:00:21,153 INFO L444 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-11-19 22:00:21,153 INFO L444 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-11-19 22:00:21,153 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 22:00:21,153 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2019-11-19 22:00:21,154 INFO L444 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-11-19 22:00:21,154 INFO L444 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,154 INFO L444 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,154 INFO L444 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,154 INFO L444 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,154 INFO L444 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,154 INFO L444 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-11-19 22:00:21,155 INFO L444 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-11-19 22:00:21,155 INFO L444 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-11-19 22:00:21,155 INFO L444 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-11-19 22:00:21,155 INFO L444 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-19 22:00:21,155 INFO L444 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-19 22:00:21,155 INFO L444 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-19 22:00:21,155 INFO L444 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-19 22:00:21,156 INFO L444 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-19 22:00:21,156 INFO L444 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-19 22:00:21,156 INFO L444 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-11-19 22:00:21,156 INFO L444 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-11-19 22:00:21,156 INFO L444 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-11-19 22:00:21,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:00:21 BoogieIcfgContainer [2019-11-19 22:00:21,172 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 22:00:21,173 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:00:21,173 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:00:21,173 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:00:21,173 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:00:12" (3/4) ... [2019-11-19 22:00:21,177 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 22:00:21,195 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-19 22:00:21,196 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 22:00:21,391 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3bf14df0-6ae2-4cb1-abb8-b1c13b27f1c0/bin/uautomizer/witness.graphml [2019-11-19 22:00:21,391 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:00:21,393 INFO L168 Benchmark]: Toolchain (without parser) took 10721.72 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 321.9 MB). Free memory was 939.3 MB in the beginning and 907.3 MB in the end (delta: 32.0 MB). Peak memory consumption was 353.9 MB. Max. memory is 11.5 GB. [2019-11-19 22:00:21,393 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:00:21,393 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -173.8 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2019-11-19 22:00:21,394 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-19 22:00:21,394 INFO L168 Benchmark]: Boogie Preprocessor took 85.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-19 22:00:21,395 INFO L168 Benchmark]: RCFGBuilder took 1274.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 985.1 MB in the end (delta: 114.3 MB). Peak memory consumption was 114.3 MB. Max. memory is 11.5 GB. [2019-11-19 22:00:21,395 INFO L168 Benchmark]: TraceAbstraction took 8368.46 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 182.5 MB). Free memory was 985.1 MB in the beginning and 926.5 MB in the end (delta: 58.6 MB). Peak memory consumption was 241.1 MB. Max. memory is 11.5 GB. [2019-11-19 22:00:21,395 INFO L168 Benchmark]: Witness Printer took 218.73 ms. Allocated memory is still 1.4 GB. Free memory was 926.5 MB in the beginning and 907.3 MB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2019-11-19 22:00:21,398 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 675.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -173.8 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 93.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 85.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1274.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 985.1 MB in the end (delta: 114.3 MB). Peak memory consumption was 114.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8368.46 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 182.5 MB). Free memory was 985.1 MB in the beginning and 926.5 MB in the end (delta: 58.6 MB). Peak memory consumption was 241.1 MB. Max. memory is 11.5 GB. * Witness Printer took 218.73 ms. Allocated memory is still 1.4 GB. Free memory was 926.5 MB in the beginning and 907.3 MB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 193]: 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: 582]: Loop Invariant Derived loop invariant: ((a10 == 2 || (!(a19 == 7) && !(10 == a19))) || a10 == 1) || ((!(a10 == 3) && !(a19 == 7)) && !(a10 == 4)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((a10 == 2 || (!(a19 == 7) && !(10 == a19))) || a10 == 1) || ((!(a10 == 3) && !(a19 == 7)) && !(a10 == 4)) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Result: SAFE, OverallTime: 8.2s, OverallIterations: 5, TraceHistogramMax: 4, AutomataDifference: 6.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 315 SDtfs, 1724 SDslu, 73 SDs, 0 SdLazy, 3815 SolverSat, 1039 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 10 SyntacticMatches, 11 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=977occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 556 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 34 NumberOfFragments, 59 HoareAnnotationTreeSize, 3 FomulaSimplifications, 400 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 348 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1085 NumberOfCodeBlocks, 1085 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 1080 ConstructedInterpolants, 0 QuantifiedInterpolants, 508864 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 1073/1073 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...