./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2_false-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b0ea78a7-fbf8-4fc0-a318-997becf37c7c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b0ea78a7-fbf8-4fc0-a318-997becf37c7c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b0ea78a7-fbf8-4fc0-a318-997becf37c7c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b0ea78a7-fbf8-4fc0-a318-997becf37c7c/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2_false-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b0ea78a7-fbf8-4fc0-a318-997becf37c7c/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b0ea78a7-fbf8-4fc0-a318-997becf37c7c/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6ff697c57265298ce2261966fa58c440777fc865 ............................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:29:49,535 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:29:49,537 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:29:49,545 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:29:49,545 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:29:49,546 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:29:49,546 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:29:49,547 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:29:49,548 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:29:49,549 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:29:49,550 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:29:49,550 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:29:49,550 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:29:49,551 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:29:49,552 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:29:49,553 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:29:49,553 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:29:49,554 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:29:49,556 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:29:49,557 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:29:49,558 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:29:49,559 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:29:49,560 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:29:49,561 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:29:49,561 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:29:49,561 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:29:49,562 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:29:49,563 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:29:49,563 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:29:49,564 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:29:49,564 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:29:49,564 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:29:49,565 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:29:49,565 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:29:49,565 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:29:49,566 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:29:49,566 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b0ea78a7-fbf8-4fc0-a318-997becf37c7c/bin-2019/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2018-11-18 12:29:49,576 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:29:49,576 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:29:49,576 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:29:49,577 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 12:29:49,577 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:29:49,577 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:29:49,577 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:29:49,578 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 12:29:49,578 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:29:49,578 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:29:49,578 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:29:49,578 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:29:49,578 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:29:49,578 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 12:29:49,579 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:29:49,579 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:29:49,579 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:29:49,579 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 12:29:49,579 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 12:29:49,579 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:29:49,579 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:29:49,580 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 12:29:49,580 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:29:49,580 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:29:49,580 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:29:49,580 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 12:29:49,580 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:29:49,580 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:29:49,581 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_b0ea78a7-fbf8-4fc0-a318-997becf37c7c/bin-2019/ukojak 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 ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ff697c57265298ce2261966fa58c440777fc865 [2018-11-18 12:29:49,603 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:29:49,612 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:29:49,615 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:29:49,616 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:29:49,616 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:29:49,617 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b0ea78a7-fbf8-4fc0-a318-997becf37c7c/bin-2019/ukojak/../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2_false-no-overflow.c [2018-11-18 12:29:49,663 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b0ea78a7-fbf8-4fc0-a318-997becf37c7c/bin-2019/ukojak/data/bf18385c6/d6d63e7c8d2549d0965a0096019a0b32/FLAG46aa998a9 [2018-11-18 12:29:49,997 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:29:49,997 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b0ea78a7-fbf8-4fc0-a318-997becf37c7c/sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2_false-no-overflow.c [2018-11-18 12:29:50,002 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b0ea78a7-fbf8-4fc0-a318-997becf37c7c/bin-2019/ukojak/data/bf18385c6/d6d63e7c8d2549d0965a0096019a0b32/FLAG46aa998a9 [2018-11-18 12:29:50,436 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b0ea78a7-fbf8-4fc0-a318-997becf37c7c/bin-2019/ukojak/data/bf18385c6/d6d63e7c8d2549d0965a0096019a0b32 [2018-11-18 12:29:50,438 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:29:50,439 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:29:50,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:29:50,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:29:50,441 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:29:50,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:29:50" (1/1) ... [2018-11-18 12:29:50,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@617ec0df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:29:50, skipping insertion in model container [2018-11-18 12:29:50,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:29:50" (1/1) ... [2018-11-18 12:29:50,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:29:50,461 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:29:50,581 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:29:50,583 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:29:50,595 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:29:50,604 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:29:50,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:29:50 WrapperNode [2018-11-18 12:29:50,605 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:29:50,605 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:29:50,605 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:29:50,605 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:29:50,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:29:50" (1/1) ... [2018-11-18 12:29:50,614 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:29:50" (1/1) ... [2018-11-18 12:29:50,625 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:29:50,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:29:50,625 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:29:50,625 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:29:50,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:29:50" (1/1) ... [2018-11-18 12:29:50,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:29:50" (1/1) ... [2018-11-18 12:29:50,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:29:50" (1/1) ... [2018-11-18 12:29:50,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:29:50" (1/1) ... [2018-11-18 12:29:50,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:29:50" (1/1) ... [2018-11-18 12:29:50,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:29:50" (1/1) ... [2018-11-18 12:29:50,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:29:50" (1/1) ... [2018-11-18 12:29:50,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:29:50,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:29:50,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:29:50,638 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:29:50,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:29:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b0ea78a7-fbf8-4fc0-a318-997becf37c7c/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-11-18 12:29:50,710 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2018-11-18 12:29:50,710 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2018-11-18 12:29:50,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:29:50,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:29:50,997 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:29:50,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:29:50 BoogieIcfgContainer [2018-11-18 12:29:50,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:29:50,998 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 12:29:50,998 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 12:29:51,005 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 12:29:51,005 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:29:50" (1/1) ... [2018-11-18 12:29:51,012 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:29:51,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:29:51,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 38 states and 48 transitions. [2018-11-18 12:29:51,037 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2018-11-18 12:29:51,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-18 12:29:51,039 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:29:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:29:51,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:29:51,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:29:51,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 47 transitions. [2018-11-18 12:29:51,147 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2018-11-18 12:29:51,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-18 12:29:51,148 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:29:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:29:51,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:29:51,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:29:51,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2018-11-18 12:29:51,202 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2018-11-18 12:29:51,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 12:29:51,205 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:29:51,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:29:51,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:29:51,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:29:51,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 47 states and 67 transitions. [2018-11-18 12:29:51,249 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2018-11-18 12:29:51,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 12:29:51,250 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:29:51,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:29:51,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:29:51,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:29:51,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 59 states and 89 transitions. [2018-11-18 12:29:51,297 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 89 transitions. [2018-11-18 12:29:51,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 12:29:51,298 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:29:51,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:29:51,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:29:51,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:29:51,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 72 states and 117 transitions. [2018-11-18 12:29:51,444 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 117 transitions. [2018-11-18 12:29:51,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 12:29:51,446 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:29:51,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:29:51,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:29:51,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:29:51,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 68 states and 108 transitions. [2018-11-18 12:29:51,500 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 108 transitions. [2018-11-18 12:29:51,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 12:29:51,500 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:29:51,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:29:51,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:29:51,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:29:51,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 66 states and 104 transitions. [2018-11-18 12:29:51,552 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 104 transitions. [2018-11-18 12:29:51,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 12:29:51,553 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:29:51,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:29:51,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:29:51,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:29:51,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 64 states and 100 transitions. [2018-11-18 12:29:51,586 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 100 transitions. [2018-11-18 12:29:51,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 12:29:51,587 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:29:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:29:51,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:29:51,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:29:51,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 66 states and 102 transitions. [2018-11-18 12:29:51,623 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 102 transitions. [2018-11-18 12:29:51,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 12:29:51,624 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:29:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:29:51,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:29:51,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:29:51,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 70 states and 112 transitions. [2018-11-18 12:29:51,802 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 112 transitions. [2018-11-18 12:29:51,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 12:29:51,803 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:29:51,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:29:51,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:29:51,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:29:51,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 62 states and 99 transitions. [2018-11-18 12:29:51,830 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 99 transitions. [2018-11-18 12:29:51,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 12:29:51,831 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:29:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:29:51,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:29:51,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:29:51,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 72 states and 119 transitions. [2018-11-18 12:29:51,922 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 119 transitions. [2018-11-18 12:29:51,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 12:29:51,923 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:29:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:29:51,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:29:51,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:29:51,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 74 states and 121 transitions. [2018-11-18 12:29:51,962 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 121 transitions. [2018-11-18 12:29:51,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 12:29:51,963 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:29:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:29:51,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:29:52,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:29:52,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 76 states and 123 transitions. [2018-11-18 12:29:52,024 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 123 transitions. [2018-11-18 12:29:52,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 12:29:52,025 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:29:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:29:52,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:29:52,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:29:52,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 78 states and 125 transitions. [2018-11-18 12:29:52,056 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 125 transitions. [2018-11-18 12:29:52,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 12:29:52,057 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:29:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:29:52,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:29:52,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:29:52,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 83 states and 137 transitions. [2018-11-18 12:29:52,183 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 137 transitions. [2018-11-18 12:29:52,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 12:29:52,184 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:29:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:29:52,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:29:52,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:29:52,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 85 states and 139 transitions. [2018-11-18 12:29:52,225 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 139 transitions. [2018-11-18 12:29:52,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 12:29:52,226 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:29:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:29:52,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:29:52,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:29:52,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 93 states and 154 transitions. [2018-11-18 12:29:52,315 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 154 transitions. [2018-11-18 12:29:52,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 12:29:52,316 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:29:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:29:52,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:29:52,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:29:52,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 91 states and 150 transitions. [2018-11-18 12:29:52,346 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 150 transitions. [2018-11-18 12:29:52,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 12:29:52,347 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:29:52,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:29:52,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:29:52,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:29:52,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 89 states and 146 transitions. [2018-11-18 12:29:52,376 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 146 transitions. [2018-11-18 12:29:52,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 12:29:52,376 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:29:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:29:52,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:29:52,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:29:52,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 91 states and 148 transitions. [2018-11-18 12:29:52,416 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 148 transitions. [2018-11-18 12:29:52,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 12:29:52,417 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:29:52,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:29:52,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:29:52,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:29:52,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 91 states and 147 transitions. [2018-11-18 12:29:52,481 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 147 transitions. [2018-11-18 12:29:52,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 12:29:52,481 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:29:52,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:29:52,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:29:52,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:29:52,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 83 states and 134 transitions. [2018-11-18 12:29:52,525 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 134 transitions. [2018-11-18 12:29:52,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 12:29:52,525 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:29:52,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:29:52,577 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:29:52,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:29:52,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 87 states and 149 transitions. [2018-11-18 12:29:52,830 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 149 transitions. [2018-11-18 12:29:52,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 12:29:52,830 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:29:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:29:52,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:29:52,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:29:52,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 85 states and 145 transitions. [2018-11-18 12:29:52,859 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 145 transitions. [2018-11-18 12:29:52,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 12:29:52,860 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:29:52,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:29:52,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:29:52,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:29:52,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 83 states and 141 transitions. [2018-11-18 12:29:52,884 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 141 transitions. [2018-11-18 12:29:52,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 12:29:52,885 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:29:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:29:52,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:29:52,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:29:52,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 85 states and 143 transitions. [2018-11-18 12:29:52,905 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 143 transitions. [2018-11-18 12:29:52,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 12:29:52,905 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:29:52,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:29:52,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:29:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:29:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:29:52,937 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 28 iterations. [2018-11-18 12:29:52,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 12:29:52 ImpRootNode [2018-11-18 12:29:52,956 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 12:29:52,957 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:29:52,957 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:29:52,957 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:29:52,957 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:29:50" (3/4) ... [2018-11-18 12:29:52,960 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 12:29:52,990 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b0ea78a7-fbf8-4fc0-a318-997becf37c7c/bin-2019/ukojak/witness.graphml [2018-11-18 12:29:52,990 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:29:52,991 INFO L168 Benchmark]: Toolchain (without parser) took 2552.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 195.0 MB). Free memory was 958.5 MB in the beginning and 1.2 GB in the end (delta: -197.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:29:52,992 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:29:52,993 INFO L168 Benchmark]: CACSL2BoogieTranslator took 165.71 ms. Allocated memory is still 1.0 GB. Free memory was 958.5 MB in the beginning and 947.6 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:29:52,993 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.58 ms. Allocated memory is still 1.0 GB. Free memory was 947.6 MB in the beginning and 944.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:29:52,993 INFO L168 Benchmark]: Boogie Preprocessor took 12.72 ms. Allocated memory is still 1.0 GB. Free memory is still 944.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:29:52,994 INFO L168 Benchmark]: RCFGBuilder took 359.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 944.9 MB in the beginning and 1.1 GB in the end (delta: -150.9 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:29:52,994 INFO L168 Benchmark]: CodeCheck took 1958.37 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -60.6 MB). Peak memory consumption was 6.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:29:52,995 INFO L168 Benchmark]: Witness Printer took 33.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:29:52,997 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 50 locations, 6 error locations. UNSAFE Result, 1.9s OverallTime, 28 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1707726684 SDtfs, 1921922004 SDslu, -1473043612 SDs, 0 SdLazy, 1449431672 SolverSat, 403783628 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4452 GetRequests, 4120 SyntacticMatches, 278 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1254 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 462 NumberOfCodeBlocks, 462 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 416 ConstructedInterpolants, 0 QuantifiedInterpolants, 24488 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 26 PerfectInterpolantSequences, 0/3 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 81]: integer overflow possible integer overflow possible We found a FailurePath: [L53] int d = 1; [L54] int x = __VERIFIER_nondet_int(); [L56] COND TRUE __VERIFIER_nondet_int() [L57] EXPR d - 1 [L57] d = d - 1 [L61] COND FALSE !(__VERIFIER_nondet_int()) [L64] COND FALSE !(__VERIFIER_nondet_int()) [L67] COND FALSE !(__VERIFIER_nondet_int()) [L70] COND FALSE !(__VERIFIER_nondet_int()) [L76] COND TRUE __VERIFIER_nondet_int() [L77] EXPR d - 1 [L77] d = d - 1 [L80] COND TRUE x > 0 [L81] x - d * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 165.71 ms. Allocated memory is still 1.0 GB. Free memory was 958.5 MB in the beginning and 947.6 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.58 ms. Allocated memory is still 1.0 GB. Free memory was 947.6 MB in the beginning and 944.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.72 ms. Allocated memory is still 1.0 GB. Free memory is still 944.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 359.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 944.9 MB in the beginning and 1.1 GB in the end (delta: -150.9 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. * CodeCheck took 1958.37 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -60.6 MB). Peak memory consumption was 6.0 MB. Max. memory is 11.5 GB. * Witness Printer took 33.80 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...