./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_df26a647-293a-40b7-afca-f8ca768e788e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_df26a647-293a-40b7-afca-f8ca768e788e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_df26a647-293a-40b7-afca-f8ca768e788e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_df26a647-293a-40b7-afca-f8ca768e788e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label20.c -s /tmp/vcloud-vcloud-master/worker/run_dir_df26a647-293a-40b7-afca-f8ca768e788e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_df26a647-293a-40b7-afca-f8ca768e788e/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 e270e5e3415ea982f52c61bbca04c42d8c680c74 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 20:49:34,601 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 20:49:34,603 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 20:49:34,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 20:49:34,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 20:49:34,620 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 20:49:34,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 20:49:34,631 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 20:49:34,635 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 20:49:34,640 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 20:49:34,640 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 20:49:34,642 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 20:49:34,642 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 20:49:34,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 20:49:34,645 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 20:49:34,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 20:49:34,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 20:49:34,647 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 20:49:34,650 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 20:49:34,653 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 20:49:34,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 20:49:34,658 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 20:49:34,660 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 20:49:34,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 20:49:34,664 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 20:49:34,664 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 20:49:34,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 20:49:34,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 20:49:34,666 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 20:49:34,667 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 20:49:34,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 20:49:34,668 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 20:49:34,669 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 20:49:34,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 20:49:34,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 20:49:34,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 20:49:34,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 20:49:34,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 20:49:34,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 20:49:34,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 20:49:34,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 20:49:34,675 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_df26a647-293a-40b7-afca-f8ca768e788e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 20:49:34,699 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 20:49:34,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 20:49:34,710 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 20:49:34,710 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 20:49:34,711 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 20:49:34,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 20:49:34,711 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 20:49:34,711 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 20:49:34,712 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 20:49:34,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 20:49:34,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 20:49:34,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 20:49:34,713 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 20:49:34,713 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 20:49:34,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 20:49:34,714 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 20:49:34,714 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 20:49:34,715 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 20:49:34,715 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 20:49:34,715 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 20:49:34,715 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 20:49:34,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 20:49:34,716 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 20:49:34,716 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 20:49:34,716 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 20:49:34,717 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 20:49:34,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 20:49:34,717 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 20:49:34,717 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_df26a647-293a-40b7-afca-f8ca768e788e/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 -> e270e5e3415ea982f52c61bbca04c42d8c680c74 [2019-11-15 20:49:34,751 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 20:49:34,764 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 20:49:34,768 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 20:49:34,769 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 20:49:34,769 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 20:49:34,770 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_df26a647-293a-40b7-afca-f8ca768e788e/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label20.c [2019-11-15 20:49:34,825 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_df26a647-293a-40b7-afca-f8ca768e788e/bin/uautomizer/data/60e780a9d/4a82de850aa349d9aa0448d05a40737b/FLAGdc414e45e [2019-11-15 20:49:35,334 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 20:49:35,335 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_df26a647-293a-40b7-afca-f8ca768e788e/sv-benchmarks/c/eca-rers2012/Problem14_label20.c [2019-11-15 20:49:35,355 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_df26a647-293a-40b7-afca-f8ca768e788e/bin/uautomizer/data/60e780a9d/4a82de850aa349d9aa0448d05a40737b/FLAGdc414e45e [2019-11-15 20:49:35,629 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_df26a647-293a-40b7-afca-f8ca768e788e/bin/uautomizer/data/60e780a9d/4a82de850aa349d9aa0448d05a40737b [2019-11-15 20:49:35,632 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 20:49:35,633 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 20:49:35,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 20:49:35,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 20:49:35,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 20:49:35,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:49:35" (1/1) ... [2019-11-15 20:49:35,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35ee8f44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:49:35, skipping insertion in model container [2019-11-15 20:49:35,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:49:35" (1/1) ... [2019-11-15 20:49:35,654 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 20:49:35,707 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 20:49:36,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:49:36,250 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 20:49:36,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:49:36,404 INFO L192 MainTranslator]: Completed translation [2019-11-15 20:49:36,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:49:36 WrapperNode [2019-11-15 20:49:36,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 20:49:36,406 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 20:49:36,406 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 20:49:36,406 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 20:49:36,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:49:36" (1/1) ... [2019-11-15 20:49:36,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:49:36" (1/1) ... [2019-11-15 20:49:36,518 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 20:49:36,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 20:49:36,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 20:49:36,518 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 20:49:36,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:49:36" (1/1) ... [2019-11-15 20:49:36,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:49:36" (1/1) ... [2019-11-15 20:49:36,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:49:36" (1/1) ... [2019-11-15 20:49:36,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:49:36" (1/1) ... [2019-11-15 20:49:36,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:49:36" (1/1) ... [2019-11-15 20:49:36,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:49:36" (1/1) ... [2019-11-15 20:49:36,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:49:36" (1/1) ... [2019-11-15 20:49:36,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 20:49:36,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 20:49:36,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 20:49:36,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 20:49:36,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:49:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df26a647-293a-40b7-afca-f8ca768e788e/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 20:49:36,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 20:49:36,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 20:49:38,226 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 20:49:38,226 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-15 20:49:38,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:49:38 BoogieIcfgContainer [2019-11-15 20:49:38,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 20:49:38,229 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 20:49:38,229 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 20:49:38,232 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 20:49:38,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 08:49:35" (1/3) ... [2019-11-15 20:49:38,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc7cddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:49:38, skipping insertion in model container [2019-11-15 20:49:38,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:49:36" (2/3) ... [2019-11-15 20:49:38,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc7cddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:49:38, skipping insertion in model container [2019-11-15 20:49:38,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:49:38" (3/3) ... [2019-11-15 20:49:38,235 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label20.c [2019-11-15 20:49:38,245 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 20:49:38,252 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 20:49:38,263 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 20:49:38,291 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 20:49:38,292 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 20:49:38,292 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 20:49:38,292 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 20:49:38,292 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 20:49:38,292 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 20:49:38,292 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 20:49:38,293 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 20:49:38,315 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2019-11-15 20:49:38,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-11-15 20:49:38,326 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:49:38,327 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:49:38,329 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:49:38,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:49:38,335 INFO L82 PathProgramCache]: Analyzing trace with hash -634083006, now seen corresponding path program 1 times [2019-11-15 20:49:38,343 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:49:38,343 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481641695] [2019-11-15 20:49:38,343 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:49:38,344 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:49:38,344 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:49:38,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:49:38,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:49:38,634 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481641695] [2019-11-15 20:49:38,634 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:49:38,635 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 20:49:38,635 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385065732] [2019-11-15 20:49:38,639 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 20:49:38,640 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:49:38,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 20:49:38,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 20:49:38,654 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 4 states. [2019-11-15 20:49:40,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:49:40,844 INFO L93 Difference]: Finished difference Result 850 states and 1558 transitions. [2019-11-15 20:49:40,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 20:49:40,846 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2019-11-15 20:49:40,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:49:40,868 INFO L225 Difference]: With dead ends: 850 [2019-11-15 20:49:40,868 INFO L226 Difference]: Without dead ends: 538 [2019-11-15 20:49:40,873 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 20:49:40,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-11-15 20:49:40,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-11-15 20:49:40,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-11-15 20:49:40,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 826 transitions. [2019-11-15 20:49:40,966 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 826 transitions. Word has length 60 [2019-11-15 20:49:40,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:49:40,966 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 826 transitions. [2019-11-15 20:49:40,967 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 20:49:40,967 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 826 transitions. [2019-11-15 20:49:40,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2019-11-15 20:49:40,981 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:49:40,981 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:49:40,981 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:49:40,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:49:40,982 INFO L82 PathProgramCache]: Analyzing trace with hash 189937085, now seen corresponding path program 1 times [2019-11-15 20:49:40,982 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:49:40,982 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601882059] [2019-11-15 20:49:40,983 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:49:40,983 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:49:40,983 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:49:41,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:49:41,212 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2019-11-15 20:49:41,212 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601882059] [2019-11-15 20:49:41,213 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:49:41,213 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 20:49:41,213 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625563114] [2019-11-15 20:49:41,215 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 20:49:41,215 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:49:41,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 20:49:41,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 20:49:41,216 INFO L87 Difference]: Start difference. First operand 538 states and 826 transitions. Second operand 4 states. [2019-11-15 20:49:42,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:49:42,752 INFO L93 Difference]: Finished difference Result 1964 states and 3003 transitions. [2019-11-15 20:49:42,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 20:49:42,753 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 195 [2019-11-15 20:49:42,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:49:42,763 INFO L225 Difference]: With dead ends: 1964 [2019-11-15 20:49:42,763 INFO L226 Difference]: Without dead ends: 1428 [2019-11-15 20:49:42,767 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 20:49:42,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2019-11-15 20:49:42,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1428. [2019-11-15 20:49:42,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1428 states. [2019-11-15 20:49:42,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 2029 transitions. [2019-11-15 20:49:42,854 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 2029 transitions. Word has length 195 [2019-11-15 20:49:42,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:49:42,855 INFO L462 AbstractCegarLoop]: Abstraction has 1428 states and 2029 transitions. [2019-11-15 20:49:42,855 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 20:49:42,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 2029 transitions. [2019-11-15 20:49:42,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2019-11-15 20:49:42,860 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:49:42,861 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:49:42,861 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:49:42,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:49:42,862 INFO L82 PathProgramCache]: Analyzing trace with hash 20544433, now seen corresponding path program 1 times [2019-11-15 20:49:42,862 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:49:42,862 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745211944] [2019-11-15 20:49:42,862 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:49:42,862 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:49:42,863 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:49:42,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:49:43,006 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2019-11-15 20:49:43,007 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745211944] [2019-11-15 20:49:43,007 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:49:43,008 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 20:49:43,008 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265986745] [2019-11-15 20:49:43,010 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 20:49:43,011 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:49:43,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 20:49:43,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 20:49:43,014 INFO L87 Difference]: Start difference. First operand 1428 states and 2029 transitions. Second operand 4 states. [2019-11-15 20:49:44,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:49:44,426 INFO L93 Difference]: Finished difference Result 4456 states and 6356 transitions. [2019-11-15 20:49:44,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 20:49:44,428 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 198 [2019-11-15 20:49:44,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:49:44,452 INFO L225 Difference]: With dead ends: 4456 [2019-11-15 20:49:44,452 INFO L226 Difference]: Without dead ends: 3030 [2019-11-15 20:49:44,455 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 20:49:44,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2019-11-15 20:49:44,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 2852. [2019-11-15 20:49:44,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2852 states. [2019-11-15 20:49:44,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3755 transitions. [2019-11-15 20:49:44,547 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3755 transitions. Word has length 198 [2019-11-15 20:49:44,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:49:44,548 INFO L462 AbstractCegarLoop]: Abstraction has 2852 states and 3755 transitions. [2019-11-15 20:49:44,548 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 20:49:44,548 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3755 transitions. [2019-11-15 20:49:44,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2019-11-15 20:49:44,555 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:49:44,555 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-15 20:49:44,556 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:49:44,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:49:44,556 INFO L82 PathProgramCache]: Analyzing trace with hash 175097865, now seen corresponding path program 1 times [2019-11-15 20:49:44,556 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:49:44,557 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726320643] [2019-11-15 20:49:44,557 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:49:44,557 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:49:44,557 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:49:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:49:44,911 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 160 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-15 20:49:44,912 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726320643] [2019-11-15 20:49:44,912 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955588356] [2019-11-15 20:49:44,912 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df26a647-293a-40b7-afca-f8ca768e788e/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 20:49:45,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:49:45,039 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-15 20:49:45,058 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:49:45,188 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-11-15 20:49:45,189 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 20:49:45,189 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2019-11-15 20:49:45,189 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370689515] [2019-11-15 20:49:45,190 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 20:49:45,190 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:49:45,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 20:49:45,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-15 20:49:45,190 INFO L87 Difference]: Start difference. First operand 2852 states and 3755 transitions. Second operand 4 states. [2019-11-15 20:49:46,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:49:46,586 INFO L93 Difference]: Finished difference Result 6414 states and 8515 transitions. [2019-11-15 20:49:46,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 20:49:46,586 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 219 [2019-11-15 20:49:46,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:49:46,603 INFO L225 Difference]: With dead ends: 6414 [2019-11-15 20:49:46,603 INFO L226 Difference]: Without dead ends: 3564 [2019-11-15 20:49:46,606 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 218 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-11-15 20:49:46,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3564 states. [2019-11-15 20:49:46,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3564 to 3208. [2019-11-15 20:49:46,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3208 states. [2019-11-15 20:49:46,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 3208 states and 3992 transitions. [2019-11-15 20:49:46,679 INFO L78 Accepts]: Start accepts. Automaton has 3208 states and 3992 transitions. Word has length 219 [2019-11-15 20:49:46,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:49:46,680 INFO L462 AbstractCegarLoop]: Abstraction has 3208 states and 3992 transitions. [2019-11-15 20:49:46,680 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 20:49:46,680 INFO L276 IsEmpty]: Start isEmpty. Operand 3208 states and 3992 transitions. [2019-11-15 20:49:46,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2019-11-15 20:49:46,689 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:49:46,689 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:49:46,902 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 20:49:46,902 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:49:46,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:49:46,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1374600628, now seen corresponding path program 1 times [2019-11-15 20:49:46,903 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:49:46,903 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383796928] [2019-11-15 20:49:46,903 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:49:46,903 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:49:46,903 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:49:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:49:47,292 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 269 proven. 4 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2019-11-15 20:49:47,292 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383796928] [2019-11-15 20:49:47,292 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1847954744] [2019-11-15 20:49:47,293 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_df26a647-293a-40b7-afca-f8ca768e788e/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 20:49:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:49:47,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-15 20:49:47,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:49:47,571 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 293 proven. 47 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-11-15 20:49:47,571 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-15 20:49:47,571 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2019-11-15 20:49:47,572 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872948642] [2019-11-15 20:49:47,573 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 20:49:47,573 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:49:47,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 20:49:47,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-15 20:49:47,573 INFO L87 Difference]: Start difference. First operand 3208 states and 3992 transitions. Second operand 8 states. [2019-11-15 20:49:51,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:49:51,515 INFO L93 Difference]: Finished difference Result 7044 states and 8759 transitions. [2019-11-15 20:49:51,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-15 20:49:51,516 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 336 [2019-11-15 20:49:51,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:49:51,517 INFO L225 Difference]: With dead ends: 7044 [2019-11-15 20:49:51,517 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 20:49:51,524 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 337 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-11-15 20:49:51,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 20:49:51,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 20:49:51,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 20:49:51,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 20:49:51,526 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 336 [2019-11-15 20:49:51,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:49:51,527 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 20:49:51,527 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 20:49:51,527 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 20:49:51,527 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 20:49:51,728 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 20:49:51,733 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 20:49:51,975 INFO L443 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2019-11-15 20:49:51,975 INFO L443 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2019-11-15 20:49:51,975 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,976 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,976 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,976 INFO L443 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2019-11-15 20:49:51,976 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-15 20:49:51,976 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-15 20:49:51,976 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-15 20:49:51,976 INFO L443 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2019-11-15 20:49:51,976 INFO L443 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2019-11-15 20:49:51,977 INFO L443 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2019-11-15 20:49:51,977 INFO L443 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2019-11-15 20:49:51,977 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,977 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,977 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,977 INFO L443 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2019-11-15 20:49:51,977 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2019-11-15 20:49:51,977 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-15 20:49:51,978 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-15 20:49:51,978 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-15 20:49:51,978 INFO L443 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2019-11-15 20:49:51,978 INFO L443 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2019-11-15 20:49:51,978 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2019-11-15 20:49:51,978 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,978 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,978 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,978 INFO L443 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2019-11-15 20:49:51,979 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-15 20:49:51,979 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-15 20:49:51,979 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-15 20:49:51,979 INFO L443 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2019-11-15 20:49:51,979 INFO L443 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2019-11-15 20:49:51,979 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2019-11-15 20:49:51,979 INFO L443 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2019-11-15 20:49:51,979 INFO L443 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2019-11-15 20:49:51,980 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,980 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,980 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,980 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2019-11-15 20:49:51,980 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-15 20:49:51,980 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-15 20:49:51,980 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-15 20:49:51,980 INFO L443 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2019-11-15 20:49:51,980 INFO L443 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2019-11-15 20:49:51,981 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2019-11-15 20:49:51,981 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,981 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,981 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,981 INFO L443 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2019-11-15 20:49:51,981 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-15 20:49:51,981 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-15 20:49:51,982 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-15 20:49:51,982 INFO L443 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2019-11-15 20:49:51,982 INFO L443 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2019-11-15 20:49:51,982 INFO L443 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2019-11-15 20:49:51,982 INFO L443 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2019-11-15 20:49:51,982 INFO L443 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2019-11-15 20:49:51,982 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,982 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,983 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,983 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2019-11-15 20:49:51,983 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-15 20:49:51,983 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-15 20:49:51,983 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-15 20:49:51,983 INFO L443 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2019-11-15 20:49:51,983 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2019-11-15 20:49:51,984 INFO L443 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2019-11-15 20:49:51,984 INFO L443 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2019-11-15 20:49:51,984 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,984 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,984 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,984 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-15 20:49:51,984 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-15 20:49:51,984 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-15 20:49:51,985 INFO L443 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2019-11-15 20:49:51,985 INFO L443 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2019-11-15 20:49:51,985 INFO L443 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2019-11-15 20:49:51,985 INFO L443 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2019-11-15 20:49:51,985 INFO L443 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2019-11-15 20:49:51,985 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,985 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,985 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,986 INFO L443 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2019-11-15 20:49:51,986 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2019-11-15 20:49:51,986 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 20:49:51,986 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-15 20:49:51,986 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-15 20:49:51,986 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-15 20:49:51,986 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2019-11-15 20:49:51,986 INFO L443 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2019-11-15 20:49:51,987 INFO L443 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2019-11-15 20:49:51,987 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,987 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,987 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,987 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-15 20:49:51,987 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-15 20:49:51,987 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-15 20:49:51,987 INFO L443 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2019-11-15 20:49:51,988 INFO L443 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2019-11-15 20:49:51,988 INFO L443 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2019-11-15 20:49:51,988 INFO L443 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2019-11-15 20:49:51,988 INFO L443 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2019-11-15 20:49:51,988 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,988 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,988 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,988 INFO L443 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2019-11-15 20:49:51,989 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2019-11-15 20:49:51,989 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-15 20:49:51,989 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-15 20:49:51,989 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-15 20:49:51,989 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2019-11-15 20:49:51,989 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-15 20:49:51,989 INFO L443 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2019-11-15 20:49:51,989 INFO L443 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2019-11-15 20:49:51,990 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,990 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,990 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,990 INFO L443 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2019-11-15 20:49:51,990 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-15 20:49:51,990 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-15 20:49:51,990 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-15 20:49:51,990 INFO L443 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2019-11-15 20:49:51,991 INFO L443 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2019-11-15 20:49:51,991 INFO L443 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2019-11-15 20:49:51,991 INFO L443 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2019-11-15 20:49:51,991 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,991 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,991 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,991 INFO L443 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2019-11-15 20:49:51,991 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-15 20:49:51,992 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-15 20:49:51,992 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-15 20:49:51,992 INFO L443 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2019-11-15 20:49:51,992 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2019-11-15 20:49:51,992 INFO L443 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2019-11-15 20:49:51,992 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2019-11-15 20:49:51,992 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,992 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,993 INFO L443 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2019-11-15 20:49:51,993 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-15 20:49:51,993 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-15 20:49:51,993 INFO L443 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2019-11-15 20:49:51,993 INFO L443 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2019-11-15 20:49:51,993 INFO L443 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2019-11-15 20:49:51,993 INFO L443 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2019-11-15 20:49:51,993 INFO L443 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2019-11-15 20:49:51,994 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,994 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,994 INFO L443 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2019-11-15 20:49:51,994 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-15 20:49:51,994 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-15 20:49:51,994 INFO L443 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2019-11-15 20:49:51,994 INFO L443 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2019-11-15 20:49:51,994 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2019-11-15 20:49:51,994 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,995 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,995 INFO L439 ceAbstractionStarter]: At program point L871(lines 20 872) the Hoare annotation is: (let ((.cse0 (= ~a21~0 9)) (.cse1 (= ~a24~0 1)) (.cse2 (not (= 6 ~a15~0)))) (or (and (not .cse0) .cse1 .cse2) (and .cse1 .cse0 (= ~a15~0 6)) (and .cse1 (< 0 (+ ~a12~0 43))) (and .cse2 (<= (+ ~a12~0 49) 0)))) [2019-11-15 20:49:51,995 INFO L443 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2019-11-15 20:49:51,995 INFO L443 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2019-11-15 20:49:51,996 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-15 20:49:51,996 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-15 20:49:51,996 INFO L443 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2019-11-15 20:49:51,996 INFO L443 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2019-11-15 20:49:51,996 INFO L443 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2019-11-15 20:49:51,996 INFO L443 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2019-11-15 20:49:51,996 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,996 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,997 INFO L446 ceAbstractionStarter]: At program point L874(lines 874 890) the Hoare annotation is: true [2019-11-15 20:49:51,997 INFO L443 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2019-11-15 20:49:51,997 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2019-11-15 20:49:51,997 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-15 20:49:51,997 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-15 20:49:51,997 INFO L443 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2019-11-15 20:49:51,997 INFO L443 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2019-11-15 20:49:51,997 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 184) no Hoare annotation was computed. [2019-11-15 20:49:51,998 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2019-11-15 20:49:51,998 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,998 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,998 INFO L443 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2019-11-15 20:49:51,998 INFO L443 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2019-11-15 20:49:51,998 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-15 20:49:51,998 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-15 20:49:51,998 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 20:49:51,999 INFO L443 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2019-11-15 20:49:51,999 INFO L443 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2019-11-15 20:49:51,999 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,999 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,999 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-15 20:49:51,999 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:51,999 INFO L443 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2019-11-15 20:49:52,000 INFO L439 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse0 (= ~a21~0 9)) (.cse1 (= ~a24~0 1)) (.cse2 (not (= 6 ~a15~0)))) (or (and (not .cse0) .cse1 .cse2) (and .cse1 .cse0 (= ~a15~0 6)) (and .cse1 (< 0 (+ ~a12~0 43))) (and .cse2 (<= (+ ~a12~0 49) 0)))) [2019-11-15 20:49:52,000 INFO L443 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2019-11-15 20:49:52,000 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2019-11-15 20:49:52,000 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-15 20:49:52,000 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-15 20:49:52,000 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-15 20:49:52,000 INFO L443 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2019-11-15 20:49:52,000 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2019-11-15 20:49:52,001 INFO L443 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2019-11-15 20:49:52,001 INFO L443 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2019-11-15 20:49:52,001 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:52,001 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:52,001 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:52,001 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2019-11-15 20:49:52,001 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-15 20:49:52,001 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-15 20:49:52,002 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-15 20:49:52,002 INFO L443 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2019-11-15 20:49:52,002 INFO L443 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2019-11-15 20:49:52,002 INFO L443 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2019-11-15 20:49:52,002 INFO L443 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2019-11-15 20:49:52,002 INFO L443 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2019-11-15 20:49:52,002 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:52,002 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:52,003 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:52,003 INFO L443 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2019-11-15 20:49:52,003 INFO L443 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2019-11-15 20:49:52,003 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-15 20:49:52,003 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-15 20:49:52,003 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 20:49:52,003 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-15 20:49:52,003 INFO L443 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2019-11-15 20:49:52,004 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2019-11-15 20:49:52,004 INFO L443 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2019-11-15 20:49:52,004 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:52,004 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:52,004 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:52,004 INFO L443 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2019-11-15 20:49:52,004 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-15 20:49:52,004 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-15 20:49:52,005 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-15 20:49:52,005 INFO L443 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2019-11-15 20:49:52,005 INFO L443 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2019-11-15 20:49:52,005 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2019-11-15 20:49:52,005 INFO L443 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2019-11-15 20:49:52,005 INFO L443 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2019-11-15 20:49:52,005 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:52,005 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:52,006 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2019-11-15 20:49:52,006 INFO L443 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2019-11-15 20:49:52,006 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-15 20:49:52,006 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-15 20:49:52,006 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-15 20:49:52,006 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2019-11-15 20:49:52,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 08:49:52 BoogieIcfgContainer [2019-11-15 20:49:52,025 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 20:49:52,026 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 20:49:52,026 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 20:49:52,026 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 20:49:52,026 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:49:38" (3/4) ... [2019-11-15 20:49:52,030 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 20:49:52,075 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-15 20:49:52,077 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-15 20:49:52,345 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_df26a647-293a-40b7-afca-f8ca768e788e/bin/uautomizer/witness.graphml [2019-11-15 20:49:52,346 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 20:49:52,348 INFO L168 Benchmark]: Toolchain (without parser) took 16714.22 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 431.5 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -208.9 MB). Peak memory consumption was 222.6 MB. Max. memory is 11.5 GB. [2019-11-15 20:49:52,348 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:49:52,349 INFO L168 Benchmark]: CACSL2BoogieTranslator took 768.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -186.1 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. [2019-11-15 20:49:52,349 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-11-15 20:49:52,350 INFO L168 Benchmark]: Boogie Preprocessor took 119.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-11-15 20:49:52,350 INFO L168 Benchmark]: RCFGBuilder took 1590.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 988.9 MB in the end (delta: 129.1 MB). Peak memory consumption was 129.1 MB. Max. memory is 11.5 GB. [2019-11-15 20:49:52,351 INFO L168 Benchmark]: TraceAbstraction took 13796.25 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 259.0 MB). Free memory was 988.9 MB in the beginning and 1.2 GB in the end (delta: -190.4 MB). Peak memory consumption was 68.6 MB. Max. memory is 11.5 GB. [2019-11-15 20:49:52,351 INFO L168 Benchmark]: Witness Printer took 320.22 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2019-11-15 20:49:52,354 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 768.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 172.5 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -186.1 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 112.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 119.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1590.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 988.9 MB in the end (delta: 129.1 MB). Peak memory consumption was 129.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13796.25 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 259.0 MB). Free memory was 988.9 MB in the beginning and 1.2 GB in the end (delta: -190.4 MB). Peak memory consumption was 68.6 MB. Max. memory is 11.5 GB. * Witness Printer took 320.22 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 184]: 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) && !(6 == a15)) || ((a24 == 1 && a21 == 9) && a15 == 6)) || (a24 == 1 && 0 < a12 + 43)) || (!(6 == a15) && a12 + 49 <= 0) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((!(a21 == 9) && a24 == 1) && !(6 == a15)) || ((a24 == 1 && a21 == 9) && a15 == 6)) || (a24 == 1 && 0 < a12 + 43)) || (!(6 == a15) && a12 + 49 <= 0) - 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: 13.7s, OverallIterations: 5, TraceHistogramMax: 4, AutomataDifference: 10.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 352 SDtfs, 2346 SDslu, 86 SDs, 0 SdLazy, 6429 SolverSat, 1527 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 583 GetRequests, 558 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3208occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 534 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 60 NumberOfFragments, 85 HoareAnnotationTreeSize, 3 FomulaSimplifications, 874 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 248 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1563 NumberOfCodeBlocks, 1563 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1556 ConstructedInterpolants, 0 QuantifiedInterpolants, 1290089 SizeOfPredicates, 8 NumberOfNonLiveVariables, 742 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 1530/1585 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...