./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label07.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_c6544ad6-ee52-4fd2-822c-da6de785076a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c6544ad6-ee52-4fd2-822c-da6de785076a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c6544ad6-ee52-4fd2-822c-da6de785076a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c6544ad6-ee52-4fd2-822c-da6de785076a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label07.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c6544ad6-ee52-4fd2-822c-da6de785076a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c6544ad6-ee52-4fd2-822c-da6de785076a/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 6f9a2fcb1012f2ff72c6593976c4936a90359f50 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 13:50:32,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:50:32,690 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:50:32,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:50:32,698 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:50:32,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:50:32,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:50:32,701 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:50:32,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:50:32,703 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:50:32,703 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:50:32,704 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:50:32,704 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:50:32,705 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:50:32,706 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:50:32,706 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:50:32,707 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:50:32,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:50:32,709 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:50:32,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:50:32,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:50:32,712 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:50:32,713 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:50:32,713 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:50:32,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:50:32,715 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:50:32,715 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:50:32,716 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:50:32,716 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:50:32,717 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:50:32,717 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:50:32,718 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:50:32,718 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:50:32,718 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:50:32,719 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:50:32,719 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:50:32,720 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:50:32,720 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:50:32,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:50:32,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:50:32,721 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:50:32,721 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c6544ad6-ee52-4fd2-822c-da6de785076a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 13:50:32,731 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:50:32,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:50:32,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 13:50:32,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 13:50:32,732 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 13:50:32,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:50:32,732 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:50:32,732 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:50:32,733 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:50:32,733 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:50:32,733 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:50:32,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:50:32,733 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:50:32,733 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:50:32,733 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:50:32,734 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:50:32,734 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:50:32,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:50:32,734 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:50:32,734 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:50:32,734 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:50:32,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:50:32,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:50:32,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:50:32,735 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:50:32,735 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 13:50:32,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 13:50:32,735 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:50:32,735 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:50:32,736 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_c6544ad6-ee52-4fd2-822c-da6de785076a/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 -> 6f9a2fcb1012f2ff72c6593976c4936a90359f50 [2019-12-07 13:50:32,833 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:50:32,841 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:50:32,844 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:50:32,845 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:50:32,845 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:50:32,845 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c6544ad6-ee52-4fd2-822c-da6de785076a/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label07.c [2019-12-07 13:50:32,882 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c6544ad6-ee52-4fd2-822c-da6de785076a/bin/uautomizer/data/7a05552a5/b07f08b3496e47e1989504c295ae0a8b/FLAG8aacb0f82 [2019-12-07 13:50:33,246 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:50:33,246 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c6544ad6-ee52-4fd2-822c-da6de785076a/sv-benchmarks/c/eca-rers2012/Problem14_label07.c [2019-12-07 13:50:33,256 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c6544ad6-ee52-4fd2-822c-da6de785076a/bin/uautomizer/data/7a05552a5/b07f08b3496e47e1989504c295ae0a8b/FLAG8aacb0f82 [2019-12-07 13:50:33,265 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c6544ad6-ee52-4fd2-822c-da6de785076a/bin/uautomizer/data/7a05552a5/b07f08b3496e47e1989504c295ae0a8b [2019-12-07 13:50:33,267 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:50:33,268 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:50:33,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:50:33,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:50:33,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:50:33,271 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:50:33" (1/1) ... [2019-12-07 13:50:33,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19876906 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:50:33, skipping insertion in model container [2019-12-07 13:50:33,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:50:33" (1/1) ... [2019-12-07 13:50:33,278 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:50:33,313 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:50:33,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:50:33,579 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:50:33,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:50:33,656 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:50:33,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:50:33 WrapperNode [2019-12-07 13:50:33,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:50:33,657 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:50:33,657 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:50:33,657 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:50:33,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:50:33" (1/1) ... [2019-12-07 13:50:33,676 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:50:33" (1/1) ... [2019-12-07 13:50:33,716 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:50:33,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:50:33,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:50:33,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:50:33,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:50:33" (1/1) ... [2019-12-07 13:50:33,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:50:33" (1/1) ... [2019-12-07 13:50:33,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:50:33" (1/1) ... [2019-12-07 13:50:33,726 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:50:33" (1/1) ... [2019-12-07 13:50:33,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:50:33" (1/1) ... [2019-12-07 13:50:33,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:50:33" (1/1) ... [2019-12-07 13:50:33,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:50:33" (1/1) ... [2019-12-07 13:50:33,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:50:33,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:50:33,765 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:50:33,765 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:50:33,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:50:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6544ad6-ee52-4fd2-822c-da6de785076a/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 13:50:33,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:50:33,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:50:34,564 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:50:34,565 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 13:50:34,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:50:34 BoogieIcfgContainer [2019-12-07 13:50:34,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:50:34,567 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:50:34,567 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:50:34,570 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:50:34,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:50:33" (1/3) ... [2019-12-07 13:50:34,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3478fdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:50:34, skipping insertion in model container [2019-12-07 13:50:34,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:50:33" (2/3) ... [2019-12-07 13:50:34,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3478fdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:50:34, skipping insertion in model container [2019-12-07 13:50:34,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:50:34" (3/3) ... [2019-12-07 13:50:34,573 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label07.c [2019-12-07 13:50:34,580 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:50:34,585 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 13:50:34,593 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 13:50:34,612 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:50:34,612 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 13:50:34,612 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:50:34,612 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:50:34,612 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:50:34,612 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:50:34,613 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:50:34,613 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:50:34,628 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2019-12-07 13:50:34,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-07 13:50:34,634 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:50:34,635 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] [2019-12-07 13:50:34,635 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:50:34,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:50:34,639 INFO L82 PathProgramCache]: Analyzing trace with hash 433832817, now seen corresponding path program 1 times [2019-12-07 13:50:34,645 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:50:34,646 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515043231] [2019-12-07 13:50:34,646 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:50:34,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:50:34,816 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 13:50:34,817 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515043231] [2019-12-07 13:50:34,818 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:50:34,818 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 13:50:34,820 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892244794] [2019-12-07 13:50:34,823 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:50:34,823 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:50:34,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:50:34,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:50:34,833 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 4 states. [2019-12-07 13:50:35,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:50:35,901 INFO L93 Difference]: Finished difference Result 866 states and 1574 transitions. [2019-12-07 13:50:35,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:50:35,902 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2019-12-07 13:50:35,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:50:35,915 INFO L225 Difference]: With dead ends: 866 [2019-12-07 13:50:35,916 INFO L226 Difference]: Without dead ends: 538 [2019-12-07 13:50:35,919 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 13:50:35,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-12-07 13:50:35,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 360. [2019-12-07 13:50:35,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2019-12-07 13:50:35,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 510 transitions. [2019-12-07 13:50:35,965 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 510 transitions. Word has length 47 [2019-12-07 13:50:35,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:50:35,966 INFO L462 AbstractCegarLoop]: Abstraction has 360 states and 510 transitions. [2019-12-07 13:50:35,966 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:50:35,966 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 510 transitions. [2019-12-07 13:50:35,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-12-07 13:50:35,970 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:50:35,970 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:50:35,970 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:50:35,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:50:35,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1697201153, now seen corresponding path program 1 times [2019-12-07 13:50:35,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:50:35,971 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122999513] [2019-12-07 13:50:35,971 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:50:36,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:50:36,085 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:50:36,085 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122999513] [2019-12-07 13:50:36,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:50:36,086 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 13:50:36,086 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973750614] [2019-12-07 13:50:36,087 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:50:36,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:50:36,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:50:36,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:50:36,088 INFO L87 Difference]: Start difference. First operand 360 states and 510 transitions. Second operand 4 states. [2019-12-07 13:50:36,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:50:36,910 INFO L93 Difference]: Finished difference Result 1430 states and 2032 transitions. [2019-12-07 13:50:36,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:50:36,911 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 126 [2019-12-07 13:50:36,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:50:36,918 INFO L225 Difference]: With dead ends: 1430 [2019-12-07 13:50:36,918 INFO L226 Difference]: Without dead ends: 1072 [2019-12-07 13:50:36,920 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:50:36,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2019-12-07 13:50:36,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 894. [2019-12-07 13:50:36,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 894 states. [2019-12-07 13:50:36,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1212 transitions. [2019-12-07 13:50:36,949 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1212 transitions. Word has length 126 [2019-12-07 13:50:36,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:50:36,950 INFO L462 AbstractCegarLoop]: Abstraction has 894 states and 1212 transitions. [2019-12-07 13:50:36,950 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:50:36,950 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1212 transitions. [2019-12-07 13:50:36,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-12-07 13:50:36,953 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:50:36,953 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:50:36,953 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:50:36,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:50:36,953 INFO L82 PathProgramCache]: Analyzing trace with hash 704948234, now seen corresponding path program 1 times [2019-12-07 13:50:36,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:50:36,954 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204477876] [2019-12-07 13:50:36,954 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:50:36,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:50:37,181 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:50:37,182 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204477876] [2019-12-07 13:50:37,182 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:50:37,182 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-07 13:50:37,182 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017060712] [2019-12-07 13:50:37,183 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 13:50:37,183 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:50:37,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 13:50:37,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-07 13:50:37,183 INFO L87 Difference]: Start difference. First operand 894 states and 1212 transitions. Second operand 6 states. [2019-12-07 13:50:38,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:50:38,384 INFO L93 Difference]: Finished difference Result 2854 states and 3917 transitions. [2019-12-07 13:50:38,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:50:38,384 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 155 [2019-12-07 13:50:38,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:50:38,392 INFO L225 Difference]: With dead ends: 2854 [2019-12-07 13:50:38,392 INFO L226 Difference]: Without dead ends: 1962 [2019-12-07 13:50:38,393 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2019-12-07 13:50:38,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2019-12-07 13:50:38,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1784. [2019-12-07 13:50:38,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1784 states. [2019-12-07 13:50:38,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2348 transitions. [2019-12-07 13:50:38,421 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2348 transitions. Word has length 155 [2019-12-07 13:50:38,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:50:38,421 INFO L462 AbstractCegarLoop]: Abstraction has 1784 states and 2348 transitions. [2019-12-07 13:50:38,421 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 13:50:38,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2348 transitions. [2019-12-07 13:50:38,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-12-07 13:50:38,424 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:50:38,424 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-12-07 13:50:38,425 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:50:38,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:50:38,425 INFO L82 PathProgramCache]: Analyzing trace with hash -2059303942, now seen corresponding path program 1 times [2019-12-07 13:50:38,425 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:50:38,425 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056124514] [2019-12-07 13:50:38,425 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:50:38,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:50:38,502 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-12-07 13:50:38,503 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056124514] [2019-12-07 13:50:38,503 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:50:38,503 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 13:50:38,503 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562012232] [2019-12-07 13:50:38,503 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:50:38,504 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:50:38,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:50:38,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:50:38,504 INFO L87 Difference]: Start difference. First operand 1784 states and 2348 transitions. Second operand 4 states. [2019-12-07 13:50:39,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:50:39,354 INFO L93 Difference]: Finished difference Result 5702 states and 7593 transitions. [2019-12-07 13:50:39,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:50:39,354 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 221 [2019-12-07 13:50:39,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:50:39,368 INFO L225 Difference]: With dead ends: 5702 [2019-12-07 13:50:39,368 INFO L226 Difference]: Without dead ends: 3920 [2019-12-07 13:50:39,371 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 13:50:39,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3920 states. [2019-12-07 13:50:39,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3920 to 3030. [2019-12-07 13:50:39,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3030 states. [2019-12-07 13:50:39,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3805 transitions. [2019-12-07 13:50:39,414 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3805 transitions. Word has length 221 [2019-12-07 13:50:39,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:50:39,415 INFO L462 AbstractCegarLoop]: Abstraction has 3030 states and 3805 transitions. [2019-12-07 13:50:39,415 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:50:39,415 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3805 transitions. [2019-12-07 13:50:39,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-12-07 13:50:39,417 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:50:39,417 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:50:39,417 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:50:39,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:50:39,418 INFO L82 PathProgramCache]: Analyzing trace with hash 578378333, now seen corresponding path program 1 times [2019-12-07 13:50:39,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:50:39,418 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510211226] [2019-12-07 13:50:39,418 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:50:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:50:39,569 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 148 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-07 13:50:39,570 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510211226] [2019-12-07 13:50:39,570 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674496240] [2019-12-07 13:50:39,570 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6544ad6-ee52-4fd2-822c-da6de785076a/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 13:50:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:50:39,635 INFO L264 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 13:50:39,644 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:50:39,746 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-07 13:50:39,747 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 13:50:39,747 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2019-12-07 13:50:39,747 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376162250] [2019-12-07 13:50:39,748 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:50:39,748 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:50:39,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:50:39,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-12-07 13:50:39,748 INFO L87 Difference]: Start difference. First operand 3030 states and 3805 transitions. Second operand 4 states. [2019-12-07 13:50:41,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:50:41,294 INFO L93 Difference]: Finished difference Result 6265 states and 7839 transitions. [2019-12-07 13:50:41,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:50:41,294 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 235 [2019-12-07 13:50:41,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:50:41,309 INFO L225 Difference]: With dead ends: 6265 [2019-12-07 13:50:41,310 INFO L226 Difference]: Without dead ends: 3208 [2019-12-07 13:50:41,313 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 234 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-12-07 13:50:41,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2019-12-07 13:50:41,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 3030. [2019-12-07 13:50:41,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3030 states. [2019-12-07 13:50:41,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3346 transitions. [2019-12-07 13:50:41,359 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3346 transitions. Word has length 235 [2019-12-07 13:50:41,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:50:41,360 INFO L462 AbstractCegarLoop]: Abstraction has 3030 states and 3346 transitions. [2019-12-07 13:50:41,360 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:50:41,360 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3346 transitions. [2019-12-07 13:50:41,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2019-12-07 13:50:41,363 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:50:41,363 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2019-12-07 13:50:41,564 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:50:41,564 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:50:41,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:50:41,565 INFO L82 PathProgramCache]: Analyzing trace with hash 2124879563, now seen corresponding path program 1 times [2019-12-07 13:50:41,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:50:41,565 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578527298] [2019-12-07 13:50:41,565 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:50:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:50:41,911 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 266 proven. 65 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-12-07 13:50:41,912 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578527298] [2019-12-07 13:50:41,912 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1857624379] [2019-12-07 13:50:41,912 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6544ad6-ee52-4fd2-822c-da6de785076a/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:50:41,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:50:41,990 INFO L264 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:50:41,999 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:50:42,061 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2019-12-07 13:50:42,061 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 13:50:42,061 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-12-07 13:50:42,062 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577503466] [2019-12-07 13:50:42,062 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:50:42,062 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:50:42,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:50:42,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-12-07 13:50:42,063 INFO L87 Difference]: Start difference. First operand 3030 states and 3346 transitions. Second operand 3 states. [2019-12-07 13:50:42,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:50:42,479 INFO L93 Difference]: Finished difference Result 6058 states and 6690 transitions. [2019-12-07 13:50:42,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:50:42,479 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 330 [2019-12-07 13:50:42,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:50:42,489 INFO L225 Difference]: With dead ends: 6058 [2019-12-07 13:50:42,490 INFO L226 Difference]: Without dead ends: 3030 [2019-12-07 13:50:42,492 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 329 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-12-07 13:50:42,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2019-12-07 13:50:42,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 3030. [2019-12-07 13:50:42,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3030 states. [2019-12-07 13:50:42,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3307 transitions. [2019-12-07 13:50:42,525 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3307 transitions. Word has length 330 [2019-12-07 13:50:42,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:50:42,525 INFO L462 AbstractCegarLoop]: Abstraction has 3030 states and 3307 transitions. [2019-12-07 13:50:42,525 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:50:42,525 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3307 transitions. [2019-12-07 13:50:42,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2019-12-07 13:50:42,532 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:50:42,532 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:50:42,733 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:50:42,733 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:50:42,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:50:42,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1046101739, now seen corresponding path program 1 times [2019-12-07 13:50:42,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:50:42,734 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810693544] [2019-12-07 13:50:42,734 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:50:42,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:50:43,176 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 440 proven. 65 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2019-12-07 13:50:43,177 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810693544] [2019-12-07 13:50:43,177 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [408421730] [2019-12-07 13:50:43,177 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6544ad6-ee52-4fd2-822c-da6de785076a/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:50:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:50:43,256 INFO L264 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:50:43,260 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:50:43,362 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2019-12-07 13:50:43,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 13:50:43,363 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-12-07 13:50:43,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591134921] [2019-12-07 13:50:43,363 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:50:43,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:50:43,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:50:43,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-12-07 13:50:43,364 INFO L87 Difference]: Start difference. First operand 3030 states and 3307 transitions. Second operand 3 states. [2019-12-07 13:50:43,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:50:43,702 INFO L93 Difference]: Finished difference Result 4278 states and 4649 transitions. [2019-12-07 13:50:43,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:50:43,703 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 437 [2019-12-07 13:50:43,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:50:43,715 INFO L225 Difference]: With dead ends: 4278 [2019-12-07 13:50:43,715 INFO L226 Difference]: Without dead ends: 4276 [2019-12-07 13:50:43,716 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 436 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-12-07 13:50:43,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4276 states. [2019-12-07 13:50:43,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4276 to 3208. [2019-12-07 13:50:43,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3208 states. [2019-12-07 13:50:43,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 3208 states and 3509 transitions. [2019-12-07 13:50:43,765 INFO L78 Accepts]: Start accepts. Automaton has 3208 states and 3509 transitions. Word has length 437 [2019-12-07 13:50:43,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:50:43,766 INFO L462 AbstractCegarLoop]: Abstraction has 3208 states and 3509 transitions. [2019-12-07 13:50:43,766 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:50:43,766 INFO L276 IsEmpty]: Start isEmpty. Operand 3208 states and 3509 transitions. [2019-12-07 13:50:43,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2019-12-07 13:50:43,772 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:50:43,772 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:50:43,973 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:50:43,973 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:50:43,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:50:43,973 INFO L82 PathProgramCache]: Analyzing trace with hash -97726481, now seen corresponding path program 1 times [2019-12-07 13:50:43,973 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:50:43,974 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985648827] [2019-12-07 13:50:43,974 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:50:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:50:44,416 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 440 proven. 65 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2019-12-07 13:50:44,416 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985648827] [2019-12-07 13:50:44,416 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1971877065] [2019-12-07 13:50:44,416 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6544ad6-ee52-4fd2-822c-da6de785076a/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:50:44,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:50:44,506 INFO L264 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:50:44,509 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:50:44,631 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2019-12-07 13:50:44,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 13:50:44,632 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2019-12-07 13:50:44,632 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723082396] [2019-12-07 13:50:44,632 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:50:44,633 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:50:44,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:50:44,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-12-07 13:50:44,633 INFO L87 Difference]: Start difference. First operand 3208 states and 3509 transitions. Second operand 3 states. [2019-12-07 13:50:44,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:50:44,974 INFO L93 Difference]: Finished difference Result 3744 states and 4103 transitions. [2019-12-07 13:50:44,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:50:44,974 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 468 [2019-12-07 13:50:44,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:50:44,988 INFO L225 Difference]: With dead ends: 3744 [2019-12-07 13:50:44,988 INFO L226 Difference]: Without dead ends: 3742 [2019-12-07 13:50:44,988 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 474 GetRequests, 467 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-12-07 13:50:44,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2019-12-07 13:50:45,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3208. [2019-12-07 13:50:45,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3208 states. [2019-12-07 13:50:45,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 3208 states and 3509 transitions. [2019-12-07 13:50:45,036 INFO L78 Accepts]: Start accepts. Automaton has 3208 states and 3509 transitions. Word has length 468 [2019-12-07 13:50:45,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:50:45,037 INFO L462 AbstractCegarLoop]: Abstraction has 3208 states and 3509 transitions. [2019-12-07 13:50:45,037 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:50:45,037 INFO L276 IsEmpty]: Start isEmpty. Operand 3208 states and 3509 transitions. [2019-12-07 13:50:45,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2019-12-07 13:50:45,043 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:50:45,043 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:50:45,244 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:50:45,244 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:50:45,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:50:45,245 INFO L82 PathProgramCache]: Analyzing trace with hash 1907640015, now seen corresponding path program 1 times [2019-12-07 13:50:45,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:50:45,246 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310252044] [2019-12-07 13:50:45,247 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:50:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:50:45,709 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 440 proven. 65 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2019-12-07 13:50:45,709 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310252044] [2019-12-07 13:50:45,709 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1493064831] [2019-12-07 13:50:45,709 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6544ad6-ee52-4fd2-822c-da6de785076a/bin/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:50:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:50:45,787 INFO L264 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 13:50:45,791 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:50:46,087 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 532 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2019-12-07 13:50:46,087 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 13:50:46,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 11 [2019-12-07 13:50:46,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510394547] [2019-12-07 13:50:46,088 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 13:50:46,088 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:50:46,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 13:50:46,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2019-12-07 13:50:46,088 INFO L87 Difference]: Start difference. First operand 3208 states and 3509 transitions. Second operand 7 states. [2019-12-07 13:50:46,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:50:46,732 INFO L93 Difference]: Finished difference Result 6692 states and 7306 transitions. [2019-12-07 13:50:46,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 13:50:46,732 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 477 [2019-12-07 13:50:46,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:50:46,742 INFO L225 Difference]: With dead ends: 6692 [2019-12-07 13:50:46,742 INFO L226 Difference]: Without dead ends: 3386 [2019-12-07 13:50:46,745 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 483 GetRequests, 472 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2019-12-07 13:50:46,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3386 states. [2019-12-07 13:50:46,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3386 to 3208. [2019-12-07 13:50:46,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3208 states. [2019-12-07 13:50:46,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 3208 states and 3437 transitions. [2019-12-07 13:50:46,775 INFO L78 Accepts]: Start accepts. Automaton has 3208 states and 3437 transitions. Word has length 477 [2019-12-07 13:50:46,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:50:46,775 INFO L462 AbstractCegarLoop]: Abstraction has 3208 states and 3437 transitions. [2019-12-07 13:50:46,775 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 13:50:46,775 INFO L276 IsEmpty]: Start isEmpty. Operand 3208 states and 3437 transitions. [2019-12-07 13:50:46,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 825 [2019-12-07 13:50:46,781 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:50:46,781 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 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] [2019-12-07 13:50:46,982 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:50:46,983 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:50:46,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:50:46,984 INFO L82 PathProgramCache]: Analyzing trace with hash 729403087, now seen corresponding path program 1 times [2019-12-07 13:50:46,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:50:46,985 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845332549] [2019-12-07 13:50:46,985 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:50:47,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:50:48,189 INFO L134 CoverageAnalysis]: Checked inductivity of 1840 backedges. 1361 proven. 0 refuted. 0 times theorem prover too weak. 479 trivial. 0 not checked. [2019-12-07 13:50:48,189 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845332549] [2019-12-07 13:50:48,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:50:48,190 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 13:50:48,190 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397838226] [2019-12-07 13:50:48,190 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 13:50:48,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:50:48,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 13:50:48,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-12-07 13:50:48,191 INFO L87 Difference]: Start difference. First operand 3208 states and 3437 transitions. Second operand 7 states. [2019-12-07 13:50:48,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:50:48,981 INFO L93 Difference]: Finished difference Result 7375 states and 7863 transitions. [2019-12-07 13:50:48,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 13:50:48,982 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 824 [2019-12-07 13:50:48,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:50:48,997 INFO L225 Difference]: With dead ends: 7375 [2019-12-07 13:50:48,997 INFO L226 Difference]: Without dead ends: 4169 [2019-12-07 13:50:49,000 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2019-12-07 13:50:49,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4169 states. [2019-12-07 13:50:49,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4169 to 3386. [2019-12-07 13:50:49,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3386 states. [2019-12-07 13:50:49,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3618 transitions. [2019-12-07 13:50:49,035 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3618 transitions. Word has length 824 [2019-12-07 13:50:49,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:50:49,035 INFO L462 AbstractCegarLoop]: Abstraction has 3386 states and 3618 transitions. [2019-12-07 13:50:49,036 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 13:50:49,036 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3618 transitions. [2019-12-07 13:50:49,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 841 [2019-12-07 13:50:49,041 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:50:49,042 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:50:49,042 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:50:49,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:50:49,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1264885244, now seen corresponding path program 1 times [2019-12-07 13:50:49,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:50:49,042 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088723261] [2019-12-07 13:50:49,043 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:50:49,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:50:49,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2226 backedges. 1480 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2019-12-07 13:50:49,440 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088723261] [2019-12-07 13:50:49,440 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:50:49,440 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 13:50:49,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790529689] [2019-12-07 13:50:49,441 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:50:49,441 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:50:49,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:50:49,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:50:49,442 INFO L87 Difference]: Start difference. First operand 3386 states and 3618 transitions. Second operand 3 states. [2019-12-07 13:50:49,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:50:49,772 INFO L93 Difference]: Finished difference Result 7838 states and 8355 transitions. [2019-12-07 13:50:49,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:50:49,773 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 840 [2019-12-07 13:50:49,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:50:49,779 INFO L225 Difference]: With dead ends: 7838 [2019-12-07 13:50:49,779 INFO L226 Difference]: Without dead ends: 4454 [2019-12-07 13:50:49,781 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 13:50:49,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4454 states. [2019-12-07 13:50:49,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4454 to 4276. [2019-12-07 13:50:49,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4276 states. [2019-12-07 13:50:49,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4276 states to 4276 states and 4535 transitions. [2019-12-07 13:50:49,815 INFO L78 Accepts]: Start accepts. Automaton has 4276 states and 4535 transitions. Word has length 840 [2019-12-07 13:50:49,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:50:49,815 INFO L462 AbstractCegarLoop]: Abstraction has 4276 states and 4535 transitions. [2019-12-07 13:50:49,816 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:50:49,816 INFO L276 IsEmpty]: Start isEmpty. Operand 4276 states and 4535 transitions. [2019-12-07 13:50:49,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 901 [2019-12-07 13:50:49,822 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:50:49,823 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:50:49,823 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:50:49,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:50:49,824 INFO L82 PathProgramCache]: Analyzing trace with hash 585090150, now seen corresponding path program 1 times [2019-12-07 13:50:49,824 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:50:49,824 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840143952] [2019-12-07 13:50:49,824 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:50:49,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:50:50,360 INFO L134 CoverageAnalysis]: Checked inductivity of 2320 backedges. 1523 proven. 0 refuted. 0 times theorem prover too weak. 797 trivial. 0 not checked. [2019-12-07 13:50:50,360 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840143952] [2019-12-07 13:50:50,361 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:50:50,361 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 13:50:50,361 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488298939] [2019-12-07 13:50:50,362 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:50:50,362 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:50:50,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:50:50,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:50:50,362 INFO L87 Difference]: Start difference. First operand 4276 states and 4535 transitions. Second operand 4 states. [2019-12-07 13:50:50,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:50:50,864 INFO L93 Difference]: Finished difference Result 9974 states and 10610 transitions. [2019-12-07 13:50:50,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:50:50,864 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 900 [2019-12-07 13:50:50,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:50:50,871 INFO L225 Difference]: With dead ends: 9974 [2019-12-07 13:50:50,871 INFO L226 Difference]: Without dead ends: 5700 [2019-12-07 13:50:50,874 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 13:50:50,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5700 states. [2019-12-07 13:50:50,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5700 to 5344. [2019-12-07 13:50:50,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5344 states. [2019-12-07 13:50:50,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5344 states to 5344 states and 5625 transitions. [2019-12-07 13:50:50,929 INFO L78 Accepts]: Start accepts. Automaton has 5344 states and 5625 transitions. Word has length 900 [2019-12-07 13:50:50,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:50:50,930 INFO L462 AbstractCegarLoop]: Abstraction has 5344 states and 5625 transitions. [2019-12-07 13:50:50,930 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:50:50,930 INFO L276 IsEmpty]: Start isEmpty. Operand 5344 states and 5625 transitions. [2019-12-07 13:50:50,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 925 [2019-12-07 13:50:50,937 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:50:50,938 INFO L410 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:50:50,938 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:50:50,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:50:50,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1229948962, now seen corresponding path program 1 times [2019-12-07 13:50:50,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:50:50,939 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142506722] [2019-12-07 13:50:50,939 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:50:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:50:51,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2393 backedges. 1184 proven. 4 refuted. 0 times theorem prover too weak. 1205 trivial. 0 not checked. [2019-12-07 13:50:51,978 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142506722] [2019-12-07 13:50:51,978 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269795719] [2019-12-07 13:50:51,978 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c6544ad6-ee52-4fd2-822c-da6de785076a/bin/uautomizer/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:50:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:50:52,111 INFO L264 TraceCheckSpWp]: Trace formula consists of 1121 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 13:50:52,116 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:50:52,129 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 13:50:52,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2393 backedges. 1165 proven. 23 refuted. 0 times theorem prover too weak. 1205 trivial. 0 not checked. [2019-12-07 13:50:52,798 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-12-07 13:50:52,799 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2019-12-07 13:50:52,799 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56182684] [2019-12-07 13:50:52,800 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 13:50:52,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:50:52,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 13:50:52,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-12-07 13:50:52,800 INFO L87 Difference]: Start difference. First operand 5344 states and 5625 transitions. Second operand 8 states. [2019-12-07 13:50:53,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:50:53,824 INFO L93 Difference]: Finished difference Result 12022 states and 12614 transitions. [2019-12-07 13:50:53,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-07 13:50:53,824 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 924 [2019-12-07 13:50:53,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:50:53,833 INFO L225 Difference]: With dead ends: 12022 [2019-12-07 13:50:53,833 INFO L226 Difference]: Without dead ends: 6680 [2019-12-07 13:50:53,838 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 932 GetRequests, 922 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2019-12-07 13:50:53,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6680 states. [2019-12-07 13:50:53,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6680 to 5344. [2019-12-07 13:50:53,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5344 states. [2019-12-07 13:50:53,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5344 states to 5344 states and 5624 transitions. [2019-12-07 13:50:53,901 INFO L78 Accepts]: Start accepts. Automaton has 5344 states and 5624 transitions. Word has length 924 [2019-12-07 13:50:53,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:50:53,902 INFO L462 AbstractCegarLoop]: Abstraction has 5344 states and 5624 transitions. [2019-12-07 13:50:53,902 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 13:50:53,902 INFO L276 IsEmpty]: Start isEmpty. Operand 5344 states and 5624 transitions. [2019-12-07 13:50:53,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1091 [2019-12-07 13:50:53,911 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:50:53,911 INFO L410 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 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, 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] [2019-12-07 13:50:54,112 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:50:54,113 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:50:54,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:50:54,114 INFO L82 PathProgramCache]: Analyzing trace with hash -1841080212, now seen corresponding path program 1 times [2019-12-07 13:50:54,114 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:50:54,115 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69893138] [2019-12-07 13:50:54,115 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:50:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:50:54,876 INFO L134 CoverageAnalysis]: Checked inductivity of 3714 backedges. 404 proven. 0 refuted. 0 times theorem prover too weak. 3310 trivial. 0 not checked. [2019-12-07 13:50:54,876 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69893138] [2019-12-07 13:50:54,876 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:50:54,877 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 13:50:54,877 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683577219] [2019-12-07 13:50:54,877 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:50:54,877 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:50:54,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:50:54,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:50:54,878 INFO L87 Difference]: Start difference. First operand 5344 states and 5624 transitions. Second operand 3 states. [2019-12-07 13:50:55,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:50:55,253 INFO L93 Difference]: Finished difference Result 11396 states and 12003 transitions. [2019-12-07 13:50:55,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:50:55,253 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1090 [2019-12-07 13:50:55,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:50:55,254 INFO L225 Difference]: With dead ends: 11396 [2019-12-07 13:50:55,254 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 13:50:55,259 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:50:55,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 13:50:55,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 13:50:55,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 13:50:55,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 13:50:55,260 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1090 [2019-12-07 13:50:55,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:50:55,260 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:50:55,260 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:50:55,260 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 13:50:55,260 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 13:50:55,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 13:50:55,423 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 161 [2019-12-07 13:50:55,558 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 160 [2019-12-07 13:50:55,877 WARN L192 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 30 [2019-12-07 13:50:56,173 WARN L192 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 30 [2019-12-07 13:50:56,175 INFO L246 CegarLoopResult]: For program point L432(lines 432 870) no Hoare annotation was computed. [2019-12-07 13:50:56,175 INFO L246 CegarLoopResult]: For program point L366(lines 366 870) no Hoare annotation was computed. [2019-12-07 13:50:56,175 INFO L246 CegarLoopResult]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,175 INFO L246 CegarLoopResult]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,175 INFO L246 CegarLoopResult]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,175 INFO L246 CegarLoopResult]: For program point L235(lines 235 870) no Hoare annotation was computed. [2019-12-07 13:50:56,175 INFO L246 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2019-12-07 13:50:56,175 INFO L246 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2019-12-07 13:50:56,176 INFO L246 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2019-12-07 13:50:56,176 INFO L246 CegarLoopResult]: For program point L764(lines 764 870) no Hoare annotation was computed. [2019-12-07 13:50:56,176 INFO L246 CegarLoopResult]: For program point L632(lines 632 870) no Hoare annotation was computed. [2019-12-07 13:50:56,176 INFO L246 CegarLoopResult]: For program point L500(lines 500 870) no Hoare annotation was computed. [2019-12-07 13:50:56,176 INFO L246 CegarLoopResult]: For program point L831(lines 831 870) no Hoare annotation was computed. [2019-12-07 13:50:56,176 INFO L246 CegarLoopResult]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,176 INFO L246 CegarLoopResult]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,176 INFO L246 CegarLoopResult]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,176 INFO L246 CegarLoopResult]: For program point L700(lines 700 870) no Hoare annotation was computed. [2019-12-07 13:50:56,176 INFO L246 CegarLoopResult]: For program point L568(lines 568 870) no Hoare annotation was computed. [2019-12-07 13:50:56,176 INFO L246 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2019-12-07 13:50:56,176 INFO L246 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2019-12-07 13:50:56,176 INFO L246 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2019-12-07 13:50:56,176 INFO L246 CegarLoopResult]: For program point L305(lines 305 870) no Hoare annotation was computed. [2019-12-07 13:50:56,176 INFO L246 CegarLoopResult]: For program point L438(lines 438 870) no Hoare annotation was computed. [2019-12-07 13:50:56,176 INFO L246 CegarLoopResult]: For program point L372(lines 372 870) no Hoare annotation was computed. [2019-12-07 13:50:56,176 INFO L246 CegarLoopResult]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,176 INFO L246 CegarLoopResult]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,176 INFO L246 CegarLoopResult]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,176 INFO L246 CegarLoopResult]: For program point L241(lines 241 870) no Hoare annotation was computed. [2019-12-07 13:50:56,177 INFO L246 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2019-12-07 13:50:56,177 INFO L246 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2019-12-07 13:50:56,177 INFO L246 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2019-12-07 13:50:56,177 INFO L246 CegarLoopResult]: For program point L638(lines 638 870) no Hoare annotation was computed. [2019-12-07 13:50:56,177 INFO L246 CegarLoopResult]: For program point L506(lines 506 870) no Hoare annotation was computed. [2019-12-07 13:50:56,177 INFO L246 CegarLoopResult]: For program point L837(lines 837 870) no Hoare annotation was computed. [2019-12-07 13:50:56,177 INFO L246 CegarLoopResult]: For program point L771(lines 771 870) no Hoare annotation was computed. [2019-12-07 13:50:56,177 INFO L246 CegarLoopResult]: For program point L573(lines 573 870) no Hoare annotation was computed. [2019-12-07 13:50:56,177 INFO L246 CegarLoopResult]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,177 INFO L246 CegarLoopResult]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,177 INFO L246 CegarLoopResult]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,177 INFO L246 CegarLoopResult]: For program point L706(lines 706 870) no Hoare annotation was computed. [2019-12-07 13:50:56,177 INFO L246 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2019-12-07 13:50:56,177 INFO L246 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2019-12-07 13:50:56,177 INFO L246 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2019-12-07 13:50:56,177 INFO L246 CegarLoopResult]: For program point L311(lines 311 870) no Hoare annotation was computed. [2019-12-07 13:50:56,177 INFO L246 CegarLoopResult]: For program point L444(lines 444 870) no Hoare annotation was computed. [2019-12-07 13:50:56,178 INFO L246 CegarLoopResult]: For program point L378(lines 378 870) no Hoare annotation was computed. [2019-12-07 13:50:56,178 INFO L246 CegarLoopResult]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,178 INFO L246 CegarLoopResult]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,178 INFO L246 CegarLoopResult]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,178 INFO L246 CegarLoopResult]: For program point L247(lines 247 870) no Hoare annotation was computed. [2019-12-07 13:50:56,178 INFO L246 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2019-12-07 13:50:56,178 INFO L246 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2019-12-07 13:50:56,178 INFO L246 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2019-12-07 13:50:56,178 INFO L246 CegarLoopResult]: For program point L842(lines 842 870) no Hoare annotation was computed. [2019-12-07 13:50:56,178 INFO L246 CegarLoopResult]: For program point L644(lines 644 870) no Hoare annotation was computed. [2019-12-07 13:50:56,178 INFO L246 CegarLoopResult]: For program point L512(lines 512 870) no Hoare annotation was computed. [2019-12-07 13:50:56,178 INFO L246 CegarLoopResult]: For program point L777(lines 777 870) no Hoare annotation was computed. [2019-12-07 13:50:56,179 INFO L246 CegarLoopResult]: For program point L579(lines 579 870) no Hoare annotation was computed. [2019-12-07 13:50:56,179 INFO L246 CegarLoopResult]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,179 INFO L246 CegarLoopResult]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,179 INFO L246 CegarLoopResult]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,179 INFO L246 CegarLoopResult]: For program point L712(lines 712 870) no Hoare annotation was computed. [2019-12-07 13:50:56,179 INFO L246 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2019-12-07 13:50:56,179 INFO L246 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2019-12-07 13:50:56,179 INFO L246 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2019-12-07 13:50:56,179 INFO L246 CegarLoopResult]: For program point L449(lines 449 870) no Hoare annotation was computed. [2019-12-07 13:50:56,179 INFO L246 CegarLoopResult]: For program point L317(lines 317 870) no Hoare annotation was computed. [2019-12-07 13:50:56,179 INFO L246 CegarLoopResult]: For program point L384(lines 384 870) no Hoare annotation was computed. [2019-12-07 13:50:56,179 INFO L246 CegarLoopResult]: For program point L252(lines 252 870) no Hoare annotation was computed. [2019-12-07 13:50:56,180 INFO L246 CegarLoopResult]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,180 INFO L246 CegarLoopResult]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,180 INFO L246 CegarLoopResult]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,180 INFO L246 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2019-12-07 13:50:56,180 INFO L246 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2019-12-07 13:50:56,180 INFO L246 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2019-12-07 13:50:56,180 INFO L246 CegarLoopResult]: For program point L848(lines 848 870) no Hoare annotation was computed. [2019-12-07 13:50:56,180 INFO L246 CegarLoopResult]: For program point L650(lines 650 870) no Hoare annotation was computed. [2019-12-07 13:50:56,180 INFO L246 CegarLoopResult]: For program point L518(lines 518 870) no Hoare annotation was computed. [2019-12-07 13:50:56,180 INFO L246 CegarLoopResult]: For program point L783(lines 783 870) no Hoare annotation was computed. [2019-12-07 13:50:56,180 INFO L246 CegarLoopResult]: For program point L585(lines 585 870) no Hoare annotation was computed. [2019-12-07 13:50:56,180 INFO L246 CegarLoopResult]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,180 INFO L246 CegarLoopResult]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,180 INFO L246 CegarLoopResult]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,180 INFO L246 CegarLoopResult]: For program point L718(lines 718 870) no Hoare annotation was computed. [2019-12-07 13:50:56,180 INFO L246 CegarLoopResult]: For program point L454(lines 454 870) no Hoare annotation was computed. [2019-12-07 13:50:56,180 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 13:50:56,180 INFO L246 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2019-12-07 13:50:56,180 INFO L246 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2019-12-07 13:50:56,180 INFO L246 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2019-12-07 13:50:56,181 INFO L246 CegarLoopResult]: For program point L323(lines 323 870) no Hoare annotation was computed. [2019-12-07 13:50:56,181 INFO L246 CegarLoopResult]: For program point L390(lines 390 870) no Hoare annotation was computed. [2019-12-07 13:50:56,181 INFO L246 CegarLoopResult]: For program point L258(lines 258 870) no Hoare annotation was computed. [2019-12-07 13:50:56,181 INFO L246 CegarLoopResult]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,181 INFO L246 CegarLoopResult]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,181 INFO L246 CegarLoopResult]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,181 INFO L246 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2019-12-07 13:50:56,181 INFO L246 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2019-12-07 13:50:56,181 INFO L246 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2019-12-07 13:50:56,181 INFO L246 CegarLoopResult]: For program point L854(lines 854 870) no Hoare annotation was computed. [2019-12-07 13:50:56,181 INFO L246 CegarLoopResult]: For program point L656(lines 656 870) no Hoare annotation was computed. [2019-12-07 13:50:56,181 INFO L246 CegarLoopResult]: For program point L524(lines 524 870) no Hoare annotation was computed. [2019-12-07 13:50:56,181 INFO L246 CegarLoopResult]: For program point L789(lines 789 870) no Hoare annotation was computed. [2019-12-07 13:50:56,181 INFO L246 CegarLoopResult]: For program point L591(lines 591 870) no Hoare annotation was computed. [2019-12-07 13:50:56,181 INFO L246 CegarLoopResult]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,181 INFO L246 CegarLoopResult]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,181 INFO L246 CegarLoopResult]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,181 INFO L246 CegarLoopResult]: For program point L724(lines 724 870) no Hoare annotation was computed. [2019-12-07 13:50:56,181 INFO L246 CegarLoopResult]: For program point L460(lines 460 870) no Hoare annotation was computed. [2019-12-07 13:50:56,181 INFO L246 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2019-12-07 13:50:56,182 INFO L246 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2019-12-07 13:50:56,182 INFO L246 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2019-12-07 13:50:56,182 INFO L246 CegarLoopResult]: For program point L329(lines 329 870) no Hoare annotation was computed. [2019-12-07 13:50:56,182 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 13:50:56,182 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2019-12-07 13:50:56,182 INFO L246 CegarLoopResult]: For program point L396(lines 396 870) no Hoare annotation was computed. [2019-12-07 13:50:56,182 INFO L246 CegarLoopResult]: For program point L264(lines 264 870) no Hoare annotation was computed. [2019-12-07 13:50:56,182 INFO L246 CegarLoopResult]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,182 INFO L246 CegarLoopResult]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,182 INFO L246 CegarLoopResult]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,182 INFO L246 CegarLoopResult]: For program point L859(lines 859 870) no Hoare annotation was computed. [2019-12-07 13:50:56,182 INFO L246 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2019-12-07 13:50:56,182 INFO L246 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2019-12-07 13:50:56,182 INFO L246 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2019-12-07 13:50:56,182 INFO L246 CegarLoopResult]: For program point L662(lines 662 870) no Hoare annotation was computed. [2019-12-07 13:50:56,182 INFO L246 CegarLoopResult]: For program point L530(lines 530 870) no Hoare annotation was computed. [2019-12-07 13:50:56,182 INFO L246 CegarLoopResult]: For program point L795(lines 795 870) no Hoare annotation was computed. [2019-12-07 13:50:56,182 INFO L246 CegarLoopResult]: For program point L597(lines 597 870) no Hoare annotation was computed. [2019-12-07 13:50:56,183 INFO L246 CegarLoopResult]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,183 INFO L246 CegarLoopResult]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,183 INFO L246 CegarLoopResult]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,183 INFO L246 CegarLoopResult]: For program point L730(lines 730 870) no Hoare annotation was computed. [2019-12-07 13:50:56,183 INFO L246 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2019-12-07 13:50:56,183 INFO L246 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2019-12-07 13:50:56,183 INFO L246 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2019-12-07 13:50:56,183 INFO L246 CegarLoopResult]: For program point L467(lines 467 870) no Hoare annotation was computed. [2019-12-07 13:50:56,183 INFO L246 CegarLoopResult]: For program point L335(lines 335 870) no Hoare annotation was computed. [2019-12-07 13:50:56,183 INFO L246 CegarLoopResult]: For program point L269(lines 269 870) no Hoare annotation was computed. [2019-12-07 13:50:56,183 INFO L246 CegarLoopResult]: For program point L402(lines 402 870) no Hoare annotation was computed. [2019-12-07 13:50:56,183 INFO L246 CegarLoopResult]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,183 INFO L246 CegarLoopResult]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,183 INFO L246 CegarLoopResult]: For program point L865(lines 865 870) no Hoare annotation was computed. [2019-12-07 13:50:56,183 INFO L246 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2019-12-07 13:50:56,183 INFO L246 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2019-12-07 13:50:56,183 INFO L246 CegarLoopResult]: For program point L668(lines 668 870) no Hoare annotation was computed. [2019-12-07 13:50:56,183 INFO L246 CegarLoopResult]: For program point L536(lines 536 870) no Hoare annotation was computed. [2019-12-07 13:50:56,183 INFO L246 CegarLoopResult]: For program point L801(lines 801 870) no Hoare annotation was computed. [2019-12-07 13:50:56,183 INFO L246 CegarLoopResult]: For program point L735(lines 735 870) no Hoare annotation was computed. [2019-12-07 13:50:56,183 INFO L246 CegarLoopResult]: For program point L603(lines 603 870) no Hoare annotation was computed. [2019-12-07 13:50:56,184 INFO L246 CegarLoopResult]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,184 INFO L246 CegarLoopResult]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,184 INFO L246 CegarLoopResult]: For program point L472(lines 472 870) no Hoare annotation was computed. [2019-12-07 13:50:56,184 INFO L246 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2019-12-07 13:50:56,184 INFO L246 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2019-12-07 13:50:56,184 INFO L246 CegarLoopResult]: For program point L341(lines 341 870) no Hoare annotation was computed. [2019-12-07 13:50:56,184 INFO L246 CegarLoopResult]: For program point L275(lines 275 870) no Hoare annotation was computed. [2019-12-07 13:50:56,184 INFO L246 CegarLoopResult]: For program point L408(lines 408 870) no Hoare annotation was computed. [2019-12-07 13:50:56,184 INFO L246 CegarLoopResult]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,184 INFO L246 CegarLoopResult]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,184 INFO L242 CegarLoopResult]: At program point L871(lines 20 872) the Hoare annotation is: (let ((.cse0 (not (= ~a21~0 9))) (.cse1 (= ~a24~0 1)) (.cse2 (<= ~a15~0 8))) (or (and .cse0 .cse1 (= ~a15~0 5)) (and .cse0 (not (= ~a21~0 6)) .cse1) (and (<= (+ ~a12~0 43) 0) .cse2) (and (<= 12 ~a12~0) .cse1) (and (<= 6 ~a15~0) .cse1 .cse2))) [2019-12-07 13:50:56,184 INFO L246 CegarLoopResult]: For program point L541(lines 541 870) no Hoare annotation was computed. [2019-12-07 13:50:56,185 INFO L246 CegarLoopResult]: For program point L211(lines 211 870) no Hoare annotation was computed. [2019-12-07 13:50:56,185 INFO L246 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2019-12-07 13:50:56,185 INFO L246 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2019-12-07 13:50:56,185 INFO L246 CegarLoopResult]: For program point L674(lines 674 870) no Hoare annotation was computed. [2019-12-07 13:50:56,185 INFO L246 CegarLoopResult]: For program point L807(lines 807 870) no Hoare annotation was computed. [2019-12-07 13:50:56,185 INFO L246 CegarLoopResult]: For program point L741(lines 741 870) no Hoare annotation was computed. [2019-12-07 13:50:56,185 INFO L246 CegarLoopResult]: For program point L609(lines 609 870) no Hoare annotation was computed. [2019-12-07 13:50:56,185 INFO L246 CegarLoopResult]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,185 INFO L246 CegarLoopResult]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,185 INFO L249 CegarLoopResult]: At program point L874(lines 874 890) the Hoare annotation is: true [2019-12-07 13:50:56,185 INFO L246 CegarLoopResult]: For program point L478(lines 478 870) no Hoare annotation was computed. [2019-12-07 13:50:56,185 INFO L246 CegarLoopResult]: For program point L280(lines 280 870) no Hoare annotation was computed. [2019-12-07 13:50:56,185 INFO L246 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2019-12-07 13:50:56,185 INFO L246 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2019-12-07 13:50:56,185 INFO L246 CegarLoopResult]: For program point L677(lines 677 870) no Hoare annotation was computed. [2019-12-07 13:50:56,186 INFO L246 CegarLoopResult]: For program point L347(lines 347 870) no Hoare annotation was computed. [2019-12-07 13:50:56,186 INFO L246 CegarLoopResult]: For program point L414(lines 414 870) no Hoare annotation was computed. [2019-12-07 13:50:56,186 INFO L246 CegarLoopResult]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,186 INFO L246 CegarLoopResult]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,186 INFO L246 CegarLoopResult]: For program point L547(lines 547 870) no Hoare annotation was computed. [2019-12-07 13:50:56,186 INFO L246 CegarLoopResult]: For program point L217(lines 217 870) no Hoare annotation was computed. [2019-12-07 13:50:56,186 INFO L246 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2019-12-07 13:50:56,186 INFO L246 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2019-12-07 13:50:56,186 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 13:50:56,186 INFO L246 CegarLoopResult]: For program point L747(lines 747 870) no Hoare annotation was computed. [2019-12-07 13:50:56,186 INFO L246 CegarLoopResult]: For program point L615(lines 615 870) no Hoare annotation was computed. [2019-12-07 13:50:56,186 INFO L246 CegarLoopResult]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,186 INFO L246 CegarLoopResult]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,186 INFO L246 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-12-07 13:50:56,186 INFO L246 CegarLoopResult]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,186 INFO L246 CegarLoopResult]: For program point L814(lines 814 870) no Hoare annotation was computed. [2019-12-07 13:50:56,186 INFO L242 CegarLoopResult]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse0 (not (= ~a21~0 9))) (.cse1 (= ~a24~0 1)) (.cse2 (<= ~a15~0 8))) (or (and .cse0 .cse1 (= ~a15~0 5)) (and .cse0 (not (= ~a21~0 6)) .cse1) (and (<= (+ ~a12~0 43) 0) .cse2) (and (<= 12 ~a12~0) .cse1) (and (<= 6 ~a15~0) .cse1 .cse2))) [2019-12-07 13:50:56,186 INFO L246 CegarLoopResult]: For program point L484(lines 484 870) no Hoare annotation was computed. [2019-12-07 13:50:56,186 INFO L246 CegarLoopResult]: For program point L286(lines 286 870) no Hoare annotation was computed. [2019-12-07 13:50:56,187 INFO L246 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2019-12-07 13:50:56,187 INFO L246 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2019-12-07 13:50:56,187 INFO L246 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2019-12-07 13:50:56,187 INFO L246 CegarLoopResult]: For program point L683(lines 683 870) no Hoare annotation was computed. [2019-12-07 13:50:56,187 INFO L246 CegarLoopResult]: For program point L353(lines 353 870) no Hoare annotation was computed. [2019-12-07 13:50:56,187 INFO L246 CegarLoopResult]: For program point L552(lines 552 870) no Hoare annotation was computed. [2019-12-07 13:50:56,187 INFO L246 CegarLoopResult]: For program point L420(lines 420 870) no Hoare annotation was computed. [2019-12-07 13:50:56,187 INFO L246 CegarLoopResult]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,187 INFO L246 CegarLoopResult]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,187 INFO L246 CegarLoopResult]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,187 INFO L246 CegarLoopResult]: For program point L223(lines 223 870) no Hoare annotation was computed. [2019-12-07 13:50:56,187 INFO L246 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2019-12-07 13:50:56,187 INFO L246 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2019-12-07 13:50:56,187 INFO L246 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2019-12-07 13:50:56,187 INFO L246 CegarLoopResult]: For program point L752(lines 752 870) no Hoare annotation was computed. [2019-12-07 13:50:56,187 INFO L246 CegarLoopResult]: For program point L885(line 885) no Hoare annotation was computed. [2019-12-07 13:50:56,187 INFO L246 CegarLoopResult]: For program point L819(lines 819 870) no Hoare annotation was computed. [2019-12-07 13:50:56,187 INFO L246 CegarLoopResult]: For program point L621(lines 621 870) no Hoare annotation was computed. [2019-12-07 13:50:56,187 INFO L246 CegarLoopResult]: For program point L555(lines 555 870) no Hoare annotation was computed. [2019-12-07 13:50:56,187 INFO L246 CegarLoopResult]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,188 INFO L246 CegarLoopResult]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,188 INFO L246 CegarLoopResult]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,188 INFO L246 CegarLoopResult]: For program point L688(lines 688 870) no Hoare annotation was computed. [2019-12-07 13:50:56,188 INFO L246 CegarLoopResult]: For program point L490(lines 490 870) no Hoare annotation was computed. [2019-12-07 13:50:56,188 INFO L246 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2019-12-07 13:50:56,188 INFO L246 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2019-12-07 13:50:56,188 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 13:50:56,188 INFO L246 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2019-12-07 13:50:56,188 INFO L246 CegarLoopResult]: For program point L359(lines 359 870) no Hoare annotation was computed. [2019-12-07 13:50:56,188 INFO L246 CegarLoopResult]: For program point L293(lines 293 870) no Hoare annotation was computed. [2019-12-07 13:50:56,188 INFO L246 CegarLoopResult]: For program point L426(lines 426 870) no Hoare annotation was computed. [2019-12-07 13:50:56,188 INFO L246 CegarLoopResult]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,188 INFO L246 CegarLoopResult]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,188 INFO L246 CegarLoopResult]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,188 INFO L246 CegarLoopResult]: For program point L229(lines 229 870) no Hoare annotation was computed. [2019-12-07 13:50:56,188 INFO L246 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2019-12-07 13:50:56,188 INFO L246 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2019-12-07 13:50:56,188 INFO L246 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2019-12-07 13:50:56,188 INFO L246 CegarLoopResult]: For program point L758(lines 758 870) no Hoare annotation was computed. [2019-12-07 13:50:56,188 INFO L246 CegarLoopResult]: For program point L626(lines 626 870) no Hoare annotation was computed. [2019-12-07 13:50:56,188 INFO L246 CegarLoopResult]: For program point L825(lines 825 870) no Hoare annotation was computed. [2019-12-07 13:50:56,189 INFO L246 CegarLoopResult]: For program point L561(lines 561 870) no Hoare annotation was computed. [2019-12-07 13:50:56,189 INFO L246 CegarLoopResult]: For program point L495(lines 495 870) no Hoare annotation was computed. [2019-12-07 13:50:56,189 INFO L246 CegarLoopResult]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,189 INFO L246 CegarLoopResult]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,189 INFO L246 CegarLoopResult]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2019-12-07 13:50:56,189 INFO L246 CegarLoopResult]: For program point L694(lines 694 870) no Hoare annotation was computed. [2019-12-07 13:50:56,189 INFO L246 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2019-12-07 13:50:56,189 INFO L246 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2019-12-07 13:50:56,189 INFO L246 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2019-12-07 13:50:56,189 INFO L246 CegarLoopResult]: For program point L299(lines 299 870) no Hoare annotation was computed. [2019-12-07 13:50:56,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:50:56 BoogieIcfgContainer [2019-12-07 13:50:56,204 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:50:56,205 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:50:56,205 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:50:56,205 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:50:56,206 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:50:34" (3/4) ... [2019-12-07 13:50:56,208 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 13:50:56,230 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 13:50:56,231 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 13:50:56,345 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c6544ad6-ee52-4fd2-822c-da6de785076a/bin/uautomizer/witness.graphml [2019-12-07 13:50:56,345 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:50:56,347 INFO L168 Benchmark]: Toolchain (without parser) took 23078.83 ms. Allocated memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: 1.3 GB). Free memory was 936.5 MB in the beginning and 1.7 GB in the end (delta: -764.5 MB). Peak memory consumption was 522.1 MB. Max. memory is 11.5 GB. [2019-12-07 13:50:56,347 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:50:56,347 INFO L168 Benchmark]: CACSL2BoogieTranslator took 388.06 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 936.5 MB in the beginning and 1.1 GB in the end (delta: -144.7 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2019-12-07 13:50:56,348 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.28 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 13:50:56,348 INFO L168 Benchmark]: Boogie Preprocessor took 48.75 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 13:50:56,348 INFO L168 Benchmark]: RCFGBuilder took 801.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 932.9 MB in the end (delta: 132.2 MB). Peak memory consumption was 132.2 MB. Max. memory is 11.5 GB. [2019-12-07 13:50:56,348 INFO L168 Benchmark]: TraceAbstraction took 21637.26 ms. Allocated memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 932.9 MB in the beginning and 1.7 GB in the end (delta: -806.4 MB). Peak memory consumption was 366.5 MB. Max. memory is 11.5 GB. [2019-12-07 13:50:56,349 INFO L168 Benchmark]: Witness Printer took 140.58 ms. Allocated memory is still 2.3 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 38.2 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. [2019-12-07 13:50:56,350 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 388.06 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 936.5 MB in the beginning and 1.1 GB in the end (delta: -144.7 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.28 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.75 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 801.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 932.9 MB in the end (delta: 132.2 MB). Peak memory consumption was 132.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 21637.26 ms. Allocated memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 932.9 MB in the beginning and 1.7 GB in the end (delta: -806.4 MB). Peak memory consumption was 366.5 MB. Max. memory is 11.5 GB. * Witness Printer took 140.58 ms. Allocated memory is still 2.3 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 38.2 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: 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: 880]: Loop Invariant Derived loop invariant: (((((!(a21 == 9) && a24 == 1) && a15 == 5) || ((!(a21 == 9) && !(a21 == 6)) && a24 == 1)) || (a12 + 43 <= 0 && a15 <= 8)) || (12 <= a12 && a24 == 1)) || ((6 <= a15 && a24 == 1) && a15 <= 8) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((((!(a21 == 9) && a24 == 1) && a15 == 5) || ((!(a21 == 9) && !(a21 == 6)) && a24 == 1)) || (a12 + 43 <= 0 && a15 <= 8)) || (12 <= a12 && a24 == 1)) || ((6 <= a15 && a24 == 1) && a15 <= 8) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. Result: SAFE, OverallTime: 20.6s, OverallIterations: 14, TraceHistogramMax: 10, AutomataDifference: 10.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, HoareTripleCheckerStatistics: 954 SDtfs, 3884 SDslu, 170 SDs, 0 SdLazy, 11885 SolverSat, 1464 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2944 GetRequests, 2872 SyntacticMatches, 8 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5344occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 14 MinimizatonAttempts, 6035 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 80 NumberOfFragments, 101 HoareAnnotationTreeSize, 3 FomulaSimplifications, 28394 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 8518 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 9945 NumberOfCodeBlocks, 9945 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 9925 ConstructedInterpolants, 0 QuantifiedInterpolants, 19713740 SizeOfPredicates, 15 NumberOfNonLiveVariables, 3632 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 20 InterpolantComputations, 13 PerfectInterpolantSequences, 20141/20432 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...