./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label28.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0ea092c4-6a46-4b20-b489-0aa8312422ce/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0ea092c4-6a46-4b20-b489-0aa8312422ce/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0ea092c4-6a46-4b20-b489-0aa8312422ce/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0ea092c4-6a46-4b20-b489-0aa8312422ce/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label28.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0ea092c4-6a46-4b20-b489-0aa8312422ce/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0ea092c4-6a46-4b20-b489-0aa8312422ce/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 3b05d579dd12f755368a6bf22b0fd6149bd3ba2b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 12:53:22,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:53:22,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:53:22,654 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:53:22,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:53:22,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:53:22,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:53:22,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:53:22,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:53:22,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:53:22,659 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:53:22,660 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:53:22,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:53:22,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:53:22,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:53:22,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:53:22,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:53:22,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:53:22,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:53:22,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:53:22,667 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:53:22,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:53:22,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:53:22,669 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:53:22,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:53:22,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:53:22,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:53:22,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:53:22,672 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:53:22,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:53:22,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:53:22,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:53:22,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:53:22,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:53:22,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:53:22,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:53:22,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:53:22,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:53:22,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:53:22,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:53:22,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:53:22,678 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0ea092c4-6a46-4b20-b489-0aa8312422ce/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 12:53:22,690 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:53:22,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:53:22,691 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:53:22,692 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:53:22,692 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 12:53:22,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:53:22,692 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:53:22,692 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:53:22,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:53:22,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:53:22,693 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:53:22,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:53:22,693 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:53:22,694 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:53:22,694 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:53:22,694 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:53:22,694 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:53:22,694 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:53:22,695 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:53:22,695 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:53:22,695 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:53:22,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:53:22,695 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:53:22,695 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:53:22,696 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:53:22,696 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 12:53:22,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 12:53:22,696 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:53:22,696 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:53:22,696 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_0ea092c4-6a46-4b20-b489-0aa8312422ce/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 -> 3b05d579dd12f755368a6bf22b0fd6149bd3ba2b [2019-12-07 12:53:22,794 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:53:22,802 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:53:22,804 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:53:22,805 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:53:22,805 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:53:22,806 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0ea092c4-6a46-4b20-b489-0aa8312422ce/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label28.c [2019-12-07 12:53:22,842 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0ea092c4-6a46-4b20-b489-0aa8312422ce/bin/uautomizer/data/405917786/aa8338939d994ce8ae38613ed36102f7/FLAG8c55fb6eb [2019-12-07 12:53:23,242 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:53:23,243 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0ea092c4-6a46-4b20-b489-0aa8312422ce/sv-benchmarks/c/eca-rers2012/Problem01_label28.c [2019-12-07 12:53:23,250 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0ea092c4-6a46-4b20-b489-0aa8312422ce/bin/uautomizer/data/405917786/aa8338939d994ce8ae38613ed36102f7/FLAG8c55fb6eb [2019-12-07 12:53:23,259 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0ea092c4-6a46-4b20-b489-0aa8312422ce/bin/uautomizer/data/405917786/aa8338939d994ce8ae38613ed36102f7 [2019-12-07 12:53:23,261 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:53:23,262 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:53:23,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:53:23,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:53:23,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:53:23,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:53:23" (1/1) ... [2019-12-07 12:53:23,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61b1d85b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:23, skipping insertion in model container [2019-12-07 12:53:23,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:53:23" (1/1) ... [2019-12-07 12:53:23,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:53:23,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:53:23,547 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:53:23,550 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:53:23,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:53:23,611 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:53:23,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:23 WrapperNode [2019-12-07 12:53:23,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:53:23,612 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:53:23,612 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:53:23,612 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:53:23,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:23" (1/1) ... [2019-12-07 12:53:23,630 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:23" (1/1) ... [2019-12-07 12:53:23,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:53:23,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:53:23,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:53:23,662 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:53:23,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:23" (1/1) ... [2019-12-07 12:53:23,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:23" (1/1) ... [2019-12-07 12:53:23,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:23" (1/1) ... [2019-12-07 12:53:23,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:23" (1/1) ... [2019-12-07 12:53:23,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:23" (1/1) ... [2019-12-07 12:53:23,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:23" (1/1) ... [2019-12-07 12:53:23,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:23" (1/1) ... [2019-12-07 12:53:23,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:53:23,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:53:23,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:53:23,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:53:23,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0ea092c4-6a46-4b20-b489-0aa8312422ce/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:53:23,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:53:23,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:53:24,368 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:53:24,368 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 12:53:24,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:53:24 BoogieIcfgContainer [2019-12-07 12:53:24,369 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:53:24,370 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:53:24,370 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:53:24,372 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:53:24,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:53:23" (1/3) ... [2019-12-07 12:53:24,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eb624fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:53:24, skipping insertion in model container [2019-12-07 12:53:24,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:53:23" (2/3) ... [2019-12-07 12:53:24,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eb624fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:53:24, skipping insertion in model container [2019-12-07 12:53:24,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:53:24" (3/3) ... [2019-12-07 12:53:24,374 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label28.c [2019-12-07 12:53:24,381 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:53:24,386 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 12:53:24,393 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 12:53:24,411 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:53:24,411 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:53:24,411 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:53:24,411 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:53:24,411 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:53:24,411 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:53:24,412 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:53:24,412 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:53:24,426 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2019-12-07 12:53:24,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-12-07 12:53:24,433 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:53:24,434 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] [2019-12-07 12:53:24,434 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:53:24,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:53:24,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1601987962, now seen corresponding path program 1 times [2019-12-07 12:53:24,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:53:24,444 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433592740] [2019-12-07 12:53:24,444 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:53:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:53:24,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:53:24,666 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433592740] [2019-12-07 12:53:24,666 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:53:24,667 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 12:53:24,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690599447] [2019-12-07 12:53:24,671 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:53:24,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:53:24,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:53:24,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:53:24,682 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 3 states. [2019-12-07 12:53:25,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:53:25,162 INFO L93 Difference]: Finished difference Result 528 states and 915 transitions. [2019-12-07 12:53:25,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:53:25,164 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2019-12-07 12:53:25,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:53:25,174 INFO L225 Difference]: With dead ends: 528 [2019-12-07 12:53:25,174 INFO L226 Difference]: Without dead ends: 266 [2019-12-07 12:53:25,176 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:53:25,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2019-12-07 12:53:25,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2019-12-07 12:53:25,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2019-12-07 12:53:25,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 380 transitions. [2019-12-07 12:53:25,214 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 380 transitions. Word has length 93 [2019-12-07 12:53:25,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:53:25,215 INFO L462 AbstractCegarLoop]: Abstraction has 266 states and 380 transitions. [2019-12-07 12:53:25,215 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:53:25,215 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 380 transitions. [2019-12-07 12:53:25,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-12-07 12:53:25,218 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:53:25,219 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:53:25,219 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:53:25,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:53:25,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1168423854, now seen corresponding path program 1 times [2019-12-07 12:53:25,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:53:25,220 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631089191] [2019-12-07 12:53:25,220 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:53:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:53:25,270 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:53:25,270 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631089191] [2019-12-07 12:53:25,270 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:53:25,271 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:53:25,271 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269509997] [2019-12-07 12:53:25,272 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:53:25,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:53:25,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:53:25,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:53:25,273 INFO L87 Difference]: Start difference. First operand 266 states and 380 transitions. Second operand 4 states. [2019-12-07 12:53:25,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:53:25,603 INFO L93 Difference]: Finished difference Result 792 states and 1135 transitions. [2019-12-07 12:53:25,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:53:25,603 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2019-12-07 12:53:25,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:53:25,606 INFO L225 Difference]: With dead ends: 792 [2019-12-07 12:53:25,606 INFO L226 Difference]: Without dead ends: 528 [2019-12-07 12:53:25,608 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:53:25,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2019-12-07 12:53:25,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2019-12-07 12:53:25,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2019-12-07 12:53:25,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 721 transitions. [2019-12-07 12:53:25,630 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 721 transitions. Word has length 98 [2019-12-07 12:53:25,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:53:25,630 INFO L462 AbstractCegarLoop]: Abstraction has 528 states and 721 transitions. [2019-12-07 12:53:25,630 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:53:25,630 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 721 transitions. [2019-12-07 12:53:25,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-12-07 12:53:25,633 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:53:25,633 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:53:25,633 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:53:25,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:53:25,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1574089224, now seen corresponding path program 1 times [2019-12-07 12:53:25,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:53:25,634 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381319195] [2019-12-07 12:53:25,634 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:53:25,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:53:25,675 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:53:25,676 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381319195] [2019-12-07 12:53:25,676 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:53:25,676 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:53:25,676 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774875797] [2019-12-07 12:53:25,676 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:53:25,677 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:53:25,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:53:25,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:53:25,677 INFO L87 Difference]: Start difference. First operand 528 states and 721 transitions. Second operand 4 states. [2019-12-07 12:53:26,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:53:26,146 INFO L93 Difference]: Finished difference Result 2102 states and 2876 transitions. [2019-12-07 12:53:26,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:53:26,147 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 102 [2019-12-07 12:53:26,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:53:26,153 INFO L225 Difference]: With dead ends: 2102 [2019-12-07 12:53:26,153 INFO L226 Difference]: Without dead ends: 1576 [2019-12-07 12:53:26,154 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:53:26,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2019-12-07 12:53:26,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1576. [2019-12-07 12:53:26,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2019-12-07 12:53:26,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 2045 transitions. [2019-12-07 12:53:26,179 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 2045 transitions. Word has length 102 [2019-12-07 12:53:26,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:53:26,180 INFO L462 AbstractCegarLoop]: Abstraction has 1576 states and 2045 transitions. [2019-12-07 12:53:26,180 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:53:26,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 2045 transitions. [2019-12-07 12:53:26,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-12-07 12:53:26,183 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:53:26,183 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:53:26,183 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:53:26,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:53:26,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1573040001, now seen corresponding path program 1 times [2019-12-07 12:53:26,184 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:53:26,184 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153211682] [2019-12-07 12:53:26,184 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:53:26,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:53:26,216 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-07 12:53:26,217 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153211682] [2019-12-07 12:53:26,217 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:53:26,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 12:53:26,217 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681942684] [2019-12-07 12:53:26,217 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:53:26,218 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:53:26,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:53:26,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:53:26,218 INFO L87 Difference]: Start difference. First operand 1576 states and 2045 transitions. Second operand 3 states. [2019-12-07 12:53:26,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:53:26,518 INFO L93 Difference]: Finished difference Result 3412 states and 4452 transitions. [2019-12-07 12:53:26,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:53:26,518 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2019-12-07 12:53:26,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:53:26,524 INFO L225 Difference]: With dead ends: 3412 [2019-12-07 12:53:26,524 INFO L226 Difference]: Without dead ends: 1838 [2019-12-07 12:53:26,526 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:53:26,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2019-12-07 12:53:26,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1314. [2019-12-07 12:53:26,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1314 states. [2019-12-07 12:53:26,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1699 transitions. [2019-12-07 12:53:26,547 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1699 transitions. Word has length 105 [2019-12-07 12:53:26,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:53:26,547 INFO L462 AbstractCegarLoop]: Abstraction has 1314 states and 1699 transitions. [2019-12-07 12:53:26,547 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:53:26,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1699 transitions. [2019-12-07 12:53:26,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-12-07 12:53:26,549 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:53:26,549 INFO L410 BasicCegarLoop]: trace histogram [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] [2019-12-07 12:53:26,549 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:53:26,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:53:26,550 INFO L82 PathProgramCache]: Analyzing trace with hash 1954141031, now seen corresponding path program 1 times [2019-12-07 12:53:26,550 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:53:26,550 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499077174] [2019-12-07 12:53:26,550 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:53:26,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:53:26,616 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:53:26,617 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499077174] [2019-12-07 12:53:26,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:53:26,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:53:26,617 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032395882] [2019-12-07 12:53:26,618 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:53:26,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:53:26,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:53:26,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:53:26,618 INFO L87 Difference]: Start difference. First operand 1314 states and 1699 transitions. Second operand 4 states. [2019-12-07 12:53:27,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:53:27,093 INFO L93 Difference]: Finished difference Result 2762 states and 3550 transitions. [2019-12-07 12:53:27,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 12:53:27,094 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108 [2019-12-07 12:53:27,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:53:27,099 INFO L225 Difference]: With dead ends: 2762 [2019-12-07 12:53:27,099 INFO L226 Difference]: Without dead ends: 1450 [2019-12-07 12:53:27,100 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:53:27,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1450 states. [2019-12-07 12:53:27,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1450 to 1445. [2019-12-07 12:53:27,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1445 states. [2019-12-07 12:53:27,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1836 transitions. [2019-12-07 12:53:27,126 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1836 transitions. Word has length 108 [2019-12-07 12:53:27,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:53:27,126 INFO L462 AbstractCegarLoop]: Abstraction has 1445 states and 1836 transitions. [2019-12-07 12:53:27,126 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:53:27,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1836 transitions. [2019-12-07 12:53:27,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-12-07 12:53:27,128 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:53:27,129 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:53:27,129 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:53:27,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:53:27,129 INFO L82 PathProgramCache]: Analyzing trace with hash -376310369, now seen corresponding path program 1 times [2019-12-07 12:53:27,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:53:27,129 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209324610] [2019-12-07 12:53:27,129 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:53:27,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:53:27,198 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:53:27,199 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209324610] [2019-12-07 12:53:27,199 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:53:27,199 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 12:53:27,199 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965358234] [2019-12-07 12:53:27,199 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 12:53:27,200 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:53:27,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 12:53:27,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:53:27,200 INFO L87 Difference]: Start difference. First operand 1445 states and 1836 transitions. Second operand 5 states. [2019-12-07 12:53:27,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:53:27,887 INFO L93 Difference]: Finished difference Result 2757 states and 3533 transitions. [2019-12-07 12:53:27,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 12:53:27,887 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 112 [2019-12-07 12:53:27,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:53:27,892 INFO L225 Difference]: With dead ends: 2757 [2019-12-07 12:53:27,892 INFO L226 Difference]: Without dead ends: 1445 [2019-12-07 12:53:27,894 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-07 12:53:27,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2019-12-07 12:53:27,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1445. [2019-12-07 12:53:27,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1445 states. [2019-12-07 12:53:27,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1806 transitions. [2019-12-07 12:53:27,914 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1806 transitions. Word has length 112 [2019-12-07 12:53:27,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:53:27,914 INFO L462 AbstractCegarLoop]: Abstraction has 1445 states and 1806 transitions. [2019-12-07 12:53:27,914 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 12:53:27,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1806 transitions. [2019-12-07 12:53:27,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-12-07 12:53:27,916 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:53:27,916 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:53:27,916 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:53:27,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:53:27,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1702667398, now seen corresponding path program 1 times [2019-12-07 12:53:27,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:53:27,917 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572971621] [2019-12-07 12:53:27,917 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:53:27,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:53:27,952 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:53:27,953 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572971621] [2019-12-07 12:53:27,953 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:53:27,953 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:53:27,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220582194] [2019-12-07 12:53:27,953 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:53:27,953 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:53:27,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:53:27,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:53:27,954 INFO L87 Difference]: Start difference. First operand 1445 states and 1806 transitions. Second operand 3 states. [2019-12-07 12:53:28,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:53:28,246 INFO L93 Difference]: Finished difference Result 3150 states and 3956 transitions. [2019-12-07 12:53:28,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:53:28,246 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2019-12-07 12:53:28,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:53:28,253 INFO L225 Difference]: With dead ends: 3150 [2019-12-07 12:53:28,253 INFO L226 Difference]: Without dead ends: 1707 [2019-12-07 12:53:28,255 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:53:28,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2019-12-07 12:53:28,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1445. [2019-12-07 12:53:28,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1445 states. [2019-12-07 12:53:28,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1665 transitions. [2019-12-07 12:53:28,277 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1665 transitions. Word has length 115 [2019-12-07 12:53:28,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:53:28,277 INFO L462 AbstractCegarLoop]: Abstraction has 1445 states and 1665 transitions. [2019-12-07 12:53:28,277 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:53:28,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1665 transitions. [2019-12-07 12:53:28,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-12-07 12:53:28,279 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:53:28,279 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 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] [2019-12-07 12:53:28,279 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:53:28,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:53:28,279 INFO L82 PathProgramCache]: Analyzing trace with hash 970685544, now seen corresponding path program 1 times [2019-12-07 12:53:28,279 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:53:28,279 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685398666] [2019-12-07 12:53:28,280 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:53:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:53:28,310 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-12-07 12:53:28,310 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685398666] [2019-12-07 12:53:28,311 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:53:28,311 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 12:53:28,311 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143578126] [2019-12-07 12:53:28,311 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:53:28,311 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:53:28,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:53:28,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:53:28,312 INFO L87 Difference]: Start difference. First operand 1445 states and 1665 transitions. Second operand 3 states. [2019-12-07 12:53:28,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:53:28,590 INFO L93 Difference]: Finished difference Result 2888 states and 3326 transitions. [2019-12-07 12:53:28,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:53:28,591 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 123 [2019-12-07 12:53:28,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:53:28,595 INFO L225 Difference]: With dead ends: 2888 [2019-12-07 12:53:28,595 INFO L226 Difference]: Without dead ends: 1445 [2019-12-07 12:53:28,597 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:53:28,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2019-12-07 12:53:28,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1445. [2019-12-07 12:53:28,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1445 states. [2019-12-07 12:53:28,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1593 transitions. [2019-12-07 12:53:28,620 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1593 transitions. Word has length 123 [2019-12-07 12:53:28,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:53:28,620 INFO L462 AbstractCegarLoop]: Abstraction has 1445 states and 1593 transitions. [2019-12-07 12:53:28,620 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:53:28,620 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1593 transitions. [2019-12-07 12:53:28,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-12-07 12:53:28,623 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:53:28,623 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:53:28,623 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:53:28,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:53:28,624 INFO L82 PathProgramCache]: Analyzing trace with hash 2027458046, now seen corresponding path program 1 times [2019-12-07 12:53:28,624 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:53:28,624 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230705773] [2019-12-07 12:53:28,624 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:53:28,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:53:29,087 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:53:29,087 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230705773] [2019-12-07 12:53:29,087 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:53:29,088 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-12-07 12:53:29,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636639948] [2019-12-07 12:53:29,088 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-07 12:53:29,088 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:53:29,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-07 12:53:29,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2019-12-07 12:53:29,089 INFO L87 Difference]: Start difference. First operand 1445 states and 1593 transitions. Second operand 12 states. [2019-12-07 12:53:30,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:53:30,702 INFO L93 Difference]: Finished difference Result 3260 states and 3653 transitions. [2019-12-07 12:53:30,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-12-07 12:53:30,702 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 130 [2019-12-07 12:53:30,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:53:30,708 INFO L225 Difference]: With dead ends: 3260 [2019-12-07 12:53:30,708 INFO L226 Difference]: Without dead ends: 1914 [2019-12-07 12:53:30,709 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=115, Invalid=157, Unknown=0, NotChecked=0, Total=272 [2019-12-07 12:53:30,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1914 states. [2019-12-07 12:53:30,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1914 to 1742. [2019-12-07 12:53:30,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1742 states. [2019-12-07 12:53:30,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1742 states and 1908 transitions. [2019-12-07 12:53:30,729 INFO L78 Accepts]: Start accepts. Automaton has 1742 states and 1908 transitions. Word has length 130 [2019-12-07 12:53:30,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:53:30,729 INFO L462 AbstractCegarLoop]: Abstraction has 1742 states and 1908 transitions. [2019-12-07 12:53:30,729 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-07 12:53:30,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 1908 transitions. [2019-12-07 12:53:30,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-12-07 12:53:30,732 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:53:30,732 INFO L410 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2019-12-07 12:53:30,732 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:53:30,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:53:30,732 INFO L82 PathProgramCache]: Analyzing trace with hash 591091391, now seen corresponding path program 1 times [2019-12-07 12:53:30,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:53:30,733 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162692213] [2019-12-07 12:53:30,733 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:53:30,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:53:30,820 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-12-07 12:53:30,820 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162692213] [2019-12-07 12:53:30,820 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:53:30,820 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 12:53:30,820 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296561901] [2019-12-07 12:53:30,821 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:53:30,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:53:30,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:53:30,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:53:30,821 INFO L87 Difference]: Start difference. First operand 1742 states and 1908 transitions. Second operand 4 states. [2019-12-07 12:53:31,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:53:31,226 INFO L93 Difference]: Finished difference Result 3613 states and 3988 transitions. [2019-12-07 12:53:31,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:53:31,227 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 200 [2019-12-07 12:53:31,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:53:31,233 INFO L225 Difference]: With dead ends: 3613 [2019-12-07 12:53:31,233 INFO L226 Difference]: Without dead ends: 1873 [2019-12-07 12:53:31,234 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 [2019-12-07 12:53:31,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1873 states. [2019-12-07 12:53:31,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1873 to 1742. [2019-12-07 12:53:31,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1742 states. [2019-12-07 12:53:31,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1742 states and 1878 transitions. [2019-12-07 12:53:31,251 INFO L78 Accepts]: Start accepts. Automaton has 1742 states and 1878 transitions. Word has length 200 [2019-12-07 12:53:31,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:53:31,252 INFO L462 AbstractCegarLoop]: Abstraction has 1742 states and 1878 transitions. [2019-12-07 12:53:31,252 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:53:31,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 1878 transitions. [2019-12-07 12:53:31,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2019-12-07 12:53:31,255 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:53:31,255 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:53:31,255 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:53:31,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:53:31,255 INFO L82 PathProgramCache]: Analyzing trace with hash 490719990, now seen corresponding path program 1 times [2019-12-07 12:53:31,255 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:53:31,255 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327997379] [2019-12-07 12:53:31,255 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:53:31,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:53:31,344 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-12-07 12:53:31,344 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327997379] [2019-12-07 12:53:31,344 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:53:31,344 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:53:31,344 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195645626] [2019-12-07 12:53:31,345 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:53:31,345 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:53:31,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:53:31,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:53:31,345 INFO L87 Difference]: Start difference. First operand 1742 states and 1878 transitions. Second operand 3 states. [2019-12-07 12:53:31,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:53:31,564 INFO L93 Difference]: Finished difference Result 1744 states and 1879 transitions. [2019-12-07 12:53:31,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:53:31,564 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 208 [2019-12-07 12:53:31,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:53:31,570 INFO L225 Difference]: With dead ends: 1744 [2019-12-07 12:53:31,570 INFO L226 Difference]: Without dead ends: 1742 [2019-12-07 12:53:31,570 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:53:31,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1742 states. [2019-12-07 12:53:31,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1742 to 1742. [2019-12-07 12:53:31,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1742 states. [2019-12-07 12:53:31,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 1742 states and 1877 transitions. [2019-12-07 12:53:31,587 INFO L78 Accepts]: Start accepts. Automaton has 1742 states and 1877 transitions. Word has length 208 [2019-12-07 12:53:31,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:53:31,587 INFO L462 AbstractCegarLoop]: Abstraction has 1742 states and 1877 transitions. [2019-12-07 12:53:31,587 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:53:31,587 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 1877 transitions. [2019-12-07 12:53:31,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2019-12-07 12:53:31,591 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:53:31,591 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2019-12-07 12:53:31,591 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:53:31,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:53:31,592 INFO L82 PathProgramCache]: Analyzing trace with hash -1524272564, now seen corresponding path program 1 times [2019-12-07 12:53:31,592 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:53:31,592 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411836139] [2019-12-07 12:53:31,592 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:53:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:53:32,246 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 351 proven. 8 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2019-12-07 12:53:32,247 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411836139] [2019-12-07 12:53:32,247 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [705686311] [2019-12-07 12:53:32,247 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0ea092c4-6a46-4b20-b489-0aa8312422ce/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:53:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:53:32,349 INFO L264 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:53:32,364 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:53:32,460 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2019-12-07 12:53:32,460 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 12:53:32,460 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [12] total 14 [2019-12-07 12:53:32,461 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214378457] [2019-12-07 12:53:32,461 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:53:32,461 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:53:32,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:53:32,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2019-12-07 12:53:32,462 INFO L87 Difference]: Start difference. First operand 1742 states and 1877 transitions. Second operand 3 states. [2019-12-07 12:53:32,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:53:32,730 INFO L93 Difference]: Finished difference Result 1742 states and 1877 transitions. [2019-12-07 12:53:32,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:53:32,731 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 283 [2019-12-07 12:53:32,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:53:32,731 INFO L225 Difference]: With dead ends: 1742 [2019-12-07 12:53:32,731 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 12:53:32,732 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 287 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2019-12-07 12:53:32,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 12:53:32,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 12:53:32,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 12:53:32,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 12:53:32,733 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 283 [2019-12-07 12:53:32,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:53:32,733 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:53:32,733 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:53:32,733 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 12:53:32,733 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 12:53:32,934 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:53:32,935 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 12:53:33,159 INFO L246 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-12-07 12:53:33,160 INFO L246 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-12-07 12:53:33,160 INFO L246 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,160 INFO L246 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,160 INFO L246 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,160 INFO L246 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,160 INFO L246 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,160 INFO L246 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,160 INFO L246 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-12-07 12:53:33,160 INFO L246 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-12-07 12:53:33,160 INFO L246 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2019-12-07 12:53:33,160 INFO L246 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2019-12-07 12:53:33,160 INFO L246 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2019-12-07 12:53:33,160 INFO L246 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2019-12-07 12:53:33,160 INFO L246 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2019-12-07 12:53:33,160 INFO L246 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2019-12-07 12:53:33,160 INFO L246 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-12-07 12:53:33,160 INFO L246 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-12-07 12:53:33,161 INFO L246 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,161 INFO L246 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,161 INFO L246 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,161 INFO L246 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,161 INFO L246 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,161 INFO L246 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,161 INFO L246 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-12-07 12:53:33,161 INFO L246 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-12-07 12:53:33,161 INFO L246 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2019-12-07 12:53:33,161 INFO L246 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2019-12-07 12:53:33,161 INFO L246 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2019-12-07 12:53:33,161 INFO L246 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2019-12-07 12:53:33,161 INFO L246 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2019-12-07 12:53:33,161 INFO L246 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2019-12-07 12:53:33,161 INFO L246 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-12-07 12:53:33,161 INFO L246 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-12-07 12:53:33,161 INFO L246 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-12-07 12:53:33,161 INFO L246 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-12-07 12:53:33,161 INFO L246 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-12-07 12:53:33,162 INFO L246 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-12-07 12:53:33,162 INFO L246 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-12-07 12:53:33,162 INFO L246 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,162 INFO L246 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,162 INFO L246 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,162 INFO L246 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,162 INFO L246 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,162 INFO L246 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-12-07 12:53:33,162 INFO L246 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-12-07 12:53:33,162 INFO L246 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2019-12-07 12:53:33,162 INFO L246 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2019-12-07 12:53:33,162 INFO L246 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2019-12-07 12:53:33,162 INFO L246 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2019-12-07 12:53:33,162 INFO L246 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2019-12-07 12:53:33,162 INFO L246 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2019-12-07 12:53:33,162 INFO L246 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-12-07 12:53:33,163 INFO L242 CegarLoopResult]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse0 (= 1 ~a7~0))) (let ((.cse1 (<= ~a21~0 0)) (.cse2 (not (= ~a16~0 6))) (.cse3 (= ~a17~0 1)) (.cse5 (= ~a16~0 4)) (.cse6 (not .cse0)) (.cse4 (= ~a21~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 (= ~a12~0 8) (= ~a20~0 1)) (and .cse2 .cse3 .cse4) (and .cse5 (<= ~a17~0 0) .cse4) (and .cse4 (= ~a16~0 5)) (and .cse6 .cse4 (= 15 ~a8~0)) (and .cse6 .cse3 .cse4) (and .cse5 .cse6 .cse4)))) [2019-12-07 12:53:33,163 INFO L246 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,163 INFO L246 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,163 INFO L246 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,163 INFO L246 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,163 INFO L246 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,163 INFO L246 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-12-07 12:53:33,163 INFO L246 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2019-12-07 12:53:33,163 INFO L246 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2019-12-07 12:53:33,163 INFO L246 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2019-12-07 12:53:33,163 INFO L246 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2019-12-07 12:53:33,163 INFO L246 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2019-12-07 12:53:33,163 INFO L246 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-12-07 12:53:33,163 INFO L246 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-12-07 12:53:33,163 INFO L246 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-12-07 12:53:33,163 INFO L246 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-12-07 12:53:33,163 INFO L246 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-12-07 12:53:33,164 INFO L246 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-12-07 12:53:33,164 INFO L246 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-12-07 12:53:33,164 INFO L249 CegarLoopResult]: At program point L577(lines 577 594) the Hoare annotation is: true [2019-12-07 12:53:33,164 INFO L246 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,164 INFO L246 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,164 INFO L246 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,164 INFO L246 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,164 INFO L246 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,164 INFO L246 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-12-07 12:53:33,164 INFO L246 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-12-07 12:53:33,164 INFO L246 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-12-07 12:53:33,164 INFO L246 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2019-12-07 12:53:33,164 INFO L246 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2019-12-07 12:53:33,164 INFO L246 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2019-12-07 12:53:33,164 INFO L246 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2019-12-07 12:53:33,164 INFO L246 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2019-12-07 12:53:33,164 INFO L246 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-12-07 12:53:33,164 INFO L246 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,164 INFO L246 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,165 INFO L246 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,165 INFO L246 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,165 INFO L246 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-12-07 12:53:33,165 INFO L246 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,165 INFO L246 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-12-07 12:53:33,165 INFO L246 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-12-07 12:53:33,165 INFO L246 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2019-12-07 12:53:33,165 INFO L246 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2019-12-07 12:53:33,165 INFO L246 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2019-12-07 12:53:33,165 INFO L246 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2019-12-07 12:53:33,165 INFO L246 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2019-12-07 12:53:33,165 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 12:53:33,165 INFO L246 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-12-07 12:53:33,165 INFO L246 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-12-07 12:53:33,165 INFO L246 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-12-07 12:53:33,165 INFO L246 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-12-07 12:53:33,165 INFO L246 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-12-07 12:53:33,165 INFO L246 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-12-07 12:53:33,165 INFO L246 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,166 INFO L242 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (= 1 ~a7~0))) (let ((.cse1 (<= ~a21~0 0)) (.cse2 (not (= ~a16~0 6))) (.cse3 (= ~a17~0 1)) (.cse5 (= ~a16~0 4)) (.cse6 (not .cse0)) (.cse4 (= ~a21~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 (= ~a12~0 8) (= ~a20~0 1)) (and .cse2 .cse3 .cse4) (and .cse5 (<= ~a17~0 0) .cse4) (and .cse4 (= ~a16~0 5)) (and .cse6 .cse4 (= 15 ~a8~0)) (and .cse6 .cse3 .cse4) (and .cse5 .cse6 .cse4)))) [2019-12-07 12:53:33,166 INFO L246 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,166 INFO L246 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,166 INFO L246 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,166 INFO L246 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,166 INFO L246 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-12-07 12:53:33,166 INFO L246 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2019-12-07 12:53:33,166 INFO L246 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2019-12-07 12:53:33,166 INFO L246 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2019-12-07 12:53:33,166 INFO L246 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2019-12-07 12:53:33,166 INFO L246 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2019-12-07 12:53:33,166 INFO L246 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-12-07 12:53:33,166 INFO L246 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-12-07 12:53:33,166 INFO L246 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,166 INFO L246 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,166 INFO L246 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,166 INFO L246 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,166 INFO L246 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,166 INFO L246 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-12-07 12:53:33,167 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 12:53:33,167 INFO L246 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-12-07 12:53:33,167 INFO L246 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-12-07 12:53:33,167 INFO L246 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-12-07 12:53:33,167 INFO L246 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2019-12-07 12:53:33,167 INFO L246 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2019-12-07 12:53:33,167 INFO L246 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2019-12-07 12:53:33,167 INFO L246 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2019-12-07 12:53:33,167 INFO L246 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2019-12-07 12:53:33,167 INFO L246 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-12-07 12:53:33,167 INFO L246 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2019-12-07 12:53:33,167 INFO L246 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-12-07 12:53:33,167 INFO L246 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,167 INFO L246 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,167 INFO L246 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,167 INFO L246 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,167 INFO L246 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-12-07 12:53:33,167 INFO L246 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,167 INFO L246 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,167 INFO L246 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-12-07 12:53:33,168 INFO L246 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-12-07 12:53:33,168 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 12:53:33,168 INFO L246 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2019-12-07 12:53:33,168 INFO L246 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2019-12-07 12:53:33,168 INFO L246 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2019-12-07 12:53:33,168 INFO L246 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2019-12-07 12:53:33,168 INFO L246 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2019-12-07 12:53:33,168 INFO L246 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2019-12-07 12:53:33,168 INFO L246 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-12-07 12:53:33,168 INFO L246 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-12-07 12:53:33,168 INFO L246 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-12-07 12:53:33,168 INFO L246 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-12-07 12:53:33,168 INFO L246 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,168 INFO L246 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,168 INFO L246 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,168 INFO L246 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,168 INFO L246 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,168 INFO L246 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-12-07 12:53:33,168 INFO L246 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,168 INFO L246 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-12-07 12:53:33,168 INFO L246 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-12-07 12:53:33,169 INFO L246 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2019-12-07 12:53:33,169 INFO L246 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2019-12-07 12:53:33,169 INFO L246 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2019-12-07 12:53:33,169 INFO L246 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2019-12-07 12:53:33,169 INFO L246 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2019-12-07 12:53:33,169 INFO L246 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2019-12-07 12:53:33,169 INFO L246 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-12-07 12:53:33,169 INFO L246 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-12-07 12:53:33,169 INFO L246 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-12-07 12:53:33,169 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 12:53:33,169 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 455) no Hoare annotation was computed. [2019-12-07 12:53:33,169 INFO L246 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-12-07 12:53:33,169 INFO L246 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-12-07 12:53:33,169 INFO L246 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-12-07 12:53:33,169 INFO L246 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,169 INFO L246 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,169 INFO L246 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,169 INFO L246 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,170 INFO L246 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,170 INFO L246 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 12:53:33,170 INFO L246 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-12-07 12:53:33,170 INFO L246 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2019-12-07 12:53:33,170 INFO L246 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2019-12-07 12:53:33,170 INFO L246 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2019-12-07 12:53:33,170 INFO L246 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2019-12-07 12:53:33,170 INFO L246 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2019-12-07 12:53:33,170 INFO L246 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2019-12-07 12:53:33,170 INFO L246 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-12-07 12:53:33,170 INFO L246 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-12-07 12:53:33,170 INFO L246 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-12-07 12:53:33,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:53:33 BoogieIcfgContainer [2019-12-07 12:53:33,185 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:53:33,185 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:53:33,185 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:53:33,185 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:53:33,185 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:53:24" (3/4) ... [2019-12-07 12:53:33,188 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 12:53:33,202 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 12:53:33,203 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 12:53:33,295 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0ea092c4-6a46-4b20-b489-0aa8312422ce/bin/uautomizer/witness.graphml [2019-12-07 12:53:33,295 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:53:33,296 INFO L168 Benchmark]: Toolchain (without parser) took 10033.85 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 302.5 MB). Free memory was 933.8 MB in the beginning and 1.0 GB in the end (delta: -89.2 MB). Peak memory consumption was 213.3 MB. Max. memory is 11.5 GB. [2019-12-07 12:53:33,297 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:53:33,297 INFO L168 Benchmark]: CACSL2BoogieTranslator took 348.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 933.8 MB in the beginning and 1.1 GB in the end (delta: -149.8 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2019-12-07 12:53:33,297 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:53:33,297 INFO L168 Benchmark]: Boogie Preprocessor took 37.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:53:33,298 INFO L168 Benchmark]: RCFGBuilder took 670.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 962.1 MB in the end (delta: 110.8 MB). Peak memory consumption was 110.8 MB. Max. memory is 11.5 GB. [2019-12-07 12:53:33,298 INFO L168 Benchmark]: TraceAbstraction took 8814.62 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 194.5 MB). Free memory was 962.1 MB in the beginning and 1.0 GB in the end (delta: -83.2 MB). Peak memory consumption was 111.3 MB. Max. memory is 11.5 GB. [2019-12-07 12:53:33,298 INFO L168 Benchmark]: Witness Printer took 110.16 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2019-12-07 12:53:33,299 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 348.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.0 MB). Free memory was 933.8 MB in the beginning and 1.1 GB in the end (delta: -149.8 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.16 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 670.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 962.1 MB in the end (delta: 110.8 MB). Peak memory consumption was 110.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8814.62 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 194.5 MB). Free memory was 962.1 MB in the beginning and 1.0 GB in the end (delta: -83.2 MB). Peak memory consumption was 111.3 MB. Max. memory is 11.5 GB. * Witness Printer took 110.16 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 22.2 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 455]: 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: 30]: Loop Invariant Derived loop invariant: ((((((((1 == a7 && a21 <= 0) && !(a16 == 6)) || (((1 == a7 && a21 <= 0) && a12 == 8) && a20 == 1)) || ((!(a16 == 6) && a17 == 1) && a21 == 1)) || ((a16 == 4 && a17 <= 0) && a21 == 1)) || (a21 == 1 && a16 == 5)) || ((!(1 == a7) && a21 == 1) && 15 == a8)) || ((!(1 == a7) && a17 == 1) && a21 == 1)) || ((a16 == 4 && !(1 == a7)) && a21 == 1) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((1 == a7 && a21 <= 0) && !(a16 == 6)) || (((1 == a7 && a21 <= 0) && a12 == 8) && a20 == 1)) || ((!(a16 == 6) && a17 == 1) && a21 == 1)) || ((a16 == 4 && a17 <= 0) && a21 == 1)) || (a21 == 1 && a16 == 5)) || ((!(1 == a7) && a21 == 1) && 15 == a8)) || ((!(1 == a7) && a17 == 1) && a21 == 1)) || ((a16 == 4 && !(1 == a7)) && a21 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Result: SAFE, OverallTime: 8.5s, OverallIterations: 12, TraceHistogramMax: 7, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 887 SDtfs, 2590 SDslu, 128 SDs, 0 SdLazy, 5907 SolverSat, 779 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 357 GetRequests, 306 SyntacticMatches, 7 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1742occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 1094 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 39 NumberOfFragments, 173 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1622 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 120 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1960 NumberOfCodeBlocks, 1960 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1947 ConstructedInterpolants, 0 QuantifiedInterpolants, 1696138 SizeOfPredicates, 1 NumberOfNonLiveVariables, 514 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 13 InterpolantComputations, 12 PerfectInterpolantSequences, 1511/1519 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...