./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3_false-unreach-call.1.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a4710ee5-2794-45c4-83d6-5b2b5c180e8e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a4710ee5-2794-45c4-83d6-5b2b5c180e8e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a4710ee5-2794-45c4-83d6-5b2b5c180e8e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a4710ee5-2794-45c4-83d6-5b2b5c180e8e/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3_false-unreach-call.1.ufo.UNBOUNDED.pals.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a4710ee5-2794-45c4-83d6-5b2b5c180e8e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a4710ee5-2794-45c4-83d6-5b2b5c180e8e/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d554aa2ddd753c54eae3eaa938a78036ee261f5c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 19:30:49,578 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:30:49,580 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:30:49,591 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:30:49,592 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:30:49,593 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:30:49,594 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:30:49,596 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:30:49,598 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:30:49,598 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:30:49,600 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:30:49,600 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:30:49,601 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:30:49,602 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:30:49,604 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:30:49,604 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:30:49,605 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:30:49,607 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:30:49,609 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:30:49,610 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:30:49,612 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:30:49,613 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:30:49,615 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:30:49,616 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:30:49,616 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:30:49,617 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:30:49,618 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:30:49,618 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:30:49,620 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:30:49,621 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:30:49,621 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:30:49,622 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:30:49,622 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:30:49,622 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:30:49,624 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:30:49,625 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:30:49,625 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a4710ee5-2794-45c4-83d6-5b2b5c180e8e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 19:30:49,641 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:30:49,641 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:30:49,642 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:30:49,642 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 19:30:49,645 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 19:30:49,645 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 19:30:49,646 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:30:49,646 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:30:49,646 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:30:49,646 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:30:49,646 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:30:49,647 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:30:49,647 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:30:49,647 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:30:49,647 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:30:49,647 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:30:49,647 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:30:49,648 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 19:30:49,648 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 19:30:49,648 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:30:49,648 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:30:49,648 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 19:30:49,648 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:30:49,649 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:30:49,649 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:30:49,649 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 19:30:49,649 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:30:49,649 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:30:49,649 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_a4710ee5-2794-45c4-83d6-5b2b5c180e8e/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 ! call(__VERIFIER_error())) ) 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d554aa2ddd753c54eae3eaa938a78036ee261f5c [2018-10-26 19:30:49,704 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:30:49,718 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:30:49,723 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:30:49,724 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:30:49,725 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:30:49,725 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a4710ee5-2794-45c4-83d6-5b2b5c180e8e/bin-2019/ukojak/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.3_false-unreach-call.1.ufo.UNBOUNDED.pals.c [2018-10-26 19:30:49,777 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a4710ee5-2794-45c4-83d6-5b2b5c180e8e/bin-2019/ukojak/data/536a92fc3/09c10e8bc738409a87584f012721855c/FLAG59bb755d8 [2018-10-26 19:30:50,195 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:30:50,196 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a4710ee5-2794-45c4-83d6-5b2b5c180e8e/sv-benchmarks/c/seq-mthreaded/pals_lcr.3_false-unreach-call.1.ufo.UNBOUNDED.pals.c [2018-10-26 19:30:50,204 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a4710ee5-2794-45c4-83d6-5b2b5c180e8e/bin-2019/ukojak/data/536a92fc3/09c10e8bc738409a87584f012721855c/FLAG59bb755d8 [2018-10-26 19:30:50,218 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a4710ee5-2794-45c4-83d6-5b2b5c180e8e/bin-2019/ukojak/data/536a92fc3/09c10e8bc738409a87584f012721855c [2018-10-26 19:30:50,224 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:30:50,225 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 19:30:50,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:30:50,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:30:50,231 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:30:50,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:30:50" (1/1) ... [2018-10-26 19:30:50,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cfad478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:30:50, skipping insertion in model container [2018-10-26 19:30:50,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:30:50" (1/1) ... [2018-10-26 19:30:50,249 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:30:50,282 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:30:50,479 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:30:50,487 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:30:50,529 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:30:50,544 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:30:50,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:30:50 WrapperNode [2018-10-26 19:30:50,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:30:50,545 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:30:50,545 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:30:50,545 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:30:50,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:30:50" (1/1) ... [2018-10-26 19:30:50,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:30:50" (1/1) ... [2018-10-26 19:30:50,592 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:30:50,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:30:50,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:30:50,593 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:30:50,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:30:50" (1/1) ... [2018-10-26 19:30:50,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:30:50" (1/1) ... [2018-10-26 19:30:50,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:30:50" (1/1) ... [2018-10-26 19:30:50,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:30:50" (1/1) ... [2018-10-26 19:30:50,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:30:50" (1/1) ... [2018-10-26 19:30:50,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:30:50" (1/1) ... [2018-10-26 19:30:50,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:30:50" (1/1) ... [2018-10-26 19:30:50,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:30:50,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:30:50,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:30:50,699 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:30:50,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:30:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a4710ee5-2794-45c4-83d6-5b2b5c180e8e/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 [2018-10-26 19:30:50,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:30:50,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:30:53,554 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:30:53,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:30:53 BoogieIcfgContainer [2018-10-26 19:30:53,555 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:30:53,555 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 19:30:53,555 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 19:30:53,566 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 19:30:53,566 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:30:53" (1/1) ... [2018-10-26 19:30:53,578 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:30:53,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:30:53,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2018-10-26 19:30:53,616 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2018-10-26 19:30:53,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-26 19:30:53,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:30:53,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:30:54,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:30:54,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:30:54,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2018-10-26 19:30:54,331 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2018-10-26 19:30:54,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-26 19:30:54,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:30:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:30:54,900 WARN L179 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 10 [2018-10-26 19:30:54,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:30:55,336 WARN L179 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 26 [2018-10-26 19:30:55,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:30:55,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2018-10-26 19:30:55,518 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2018-10-26 19:30:55,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-26 19:30:55,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:30:55,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:30:55,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:30:57,640 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-10-26 19:31:02,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:02,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2018-10-26 19:31:02,898 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2018-10-26 19:31:02,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-26 19:31:02,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:03,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:31:03,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:03,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2018-10-26 19:31:03,259 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2018-10-26 19:31:03,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 19:31:03,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:04,007 WARN L179 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 60 [2018-10-26 19:31:04,191 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 42 [2018-10-26 19:31:06,787 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:31:11,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:11,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2018-10-26 19:31:11,246 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2018-10-26 19:31:11,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 19:31:11,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:11,729 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 65 [2018-10-26 19:31:12,704 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:31:12,935 WARN L179 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 75 [2018-10-26 19:31:14,937 WARN L179 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 84 [2018-10-26 19:31:15,267 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-10-26 19:31:15,434 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 68 [2018-10-26 19:31:15,863 WARN L179 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 85 [2018-10-26 19:31:16,489 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2018-10-26 19:31:16,958 WARN L179 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2018-10-26 19:31:17,320 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2018-10-26 19:31:17,840 WARN L179 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2018-10-26 19:31:28,437 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 76 [2018-10-26 19:31:30,779 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 80 [2018-10-26 19:31:31,426 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2018-10-26 19:31:31,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:31,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 50 states and 84 transitions. [2018-10-26 19:31:31,811 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2018-10-26 19:31:31,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 19:31:31,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:31,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:32,795 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:31:37,282 WARN L179 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2018-10-26 19:31:39,664 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2018-10-26 19:31:39,813 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2018-10-26 19:31:40,634 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2018-10-26 19:31:42,442 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2018-10-26 19:31:43,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:43,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 59 states and 95 transitions. [2018-10-26 19:31:43,168 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 95 transitions. [2018-10-26 19:31:43,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 19:31:43,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:31:44,455 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:31:46,031 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2018-10-26 19:31:46,549 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2018-10-26 19:31:46,797 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2018-10-26 19:31:47,935 WARN L179 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 64 [2018-10-26 19:31:57,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:31:57,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 72 states and 123 transitions. [2018-10-26 19:31:57,355 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 123 transitions. [2018-10-26 19:31:57,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 19:31:57,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:31:57,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:02,067 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:32:05,255 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2018-10-26 19:32:05,820 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2018-10-26 19:32:05,984 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 70 [2018-10-26 19:32:07,421 WARN L179 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2018-10-26 19:32:23,662 WARN L179 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-10-26 19:32:25,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:25,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 85 states and 149 transitions. [2018-10-26 19:32:25,415 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 149 transitions. [2018-10-26 19:32:25,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 19:32:25,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:25,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:26,427 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:32:27,720 WARN L179 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2018-10-26 19:32:44,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:44,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 96 states and 178 transitions. [2018-10-26 19:32:44,693 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 178 transitions. [2018-10-26 19:32:44,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 19:32:44,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:45,223 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:32:45,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:45,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 98 states and 186 transitions. [2018-10-26 19:32:45,770 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 186 transitions. [2018-10-26 19:32:45,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 19:32:45,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:45,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:46,791 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:32:48,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:48,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 100 states and 193 transitions. [2018-10-26 19:32:48,858 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 193 transitions. [2018-10-26 19:32:48,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 19:32:48,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:48,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:49,496 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:32:50,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:32:50,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 102 states and 199 transitions. [2018-10-26 19:32:50,063 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 199 transitions. [2018-10-26 19:32:50,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-26 19:32:50,066 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:32:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:32:52,570 WARN L179 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 73 [2018-10-26 19:32:54,167 WARN L179 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 73 [2018-10-26 19:32:54,976 WARN L179 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 80 [2018-10-26 19:32:57,393 WARN L179 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 83 [2018-10-26 19:32:58,203 WARN L179 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 80 [2018-10-26 19:33:00,711 WARN L179 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 78 [2018-10-26 19:33:01,629 WARN L179 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 90 [2018-10-26 19:33:02,571 WARN L179 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 88 [2018-10-26 19:33:03,264 WARN L179 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 72 [2018-10-26 19:33:03,925 WARN L179 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 72 [2018-10-26 19:33:04,017 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:33:04,248 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 68 [2018-10-26 19:33:04,893 WARN L179 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 84 [2018-10-26 19:33:05,798 WARN L179 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 90 [2018-10-26 19:33:06,381 WARN L179 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 101 [2018-10-26 19:33:08,507 WARN L179 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 92 [2018-10-26 19:33:09,225 WARN L179 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 104 [2018-10-26 19:33:10,320 WARN L179 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 91 [2018-10-26 19:33:10,991 WARN L179 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 103 [2018-10-26 19:33:12,637 WARN L179 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 88 [2018-10-26 19:33:14,685 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2018-10-26 19:33:14,994 WARN L179 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 90 [2018-10-26 19:33:15,375 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2018-10-26 19:33:16,143 WARN L179 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 94 [2018-10-26 19:33:16,513 WARN L179 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 96 [2018-10-26 19:33:16,887 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2018-10-26 19:33:17,287 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2018-10-26 19:33:19,467 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2018-10-26 19:33:19,914 WARN L179 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 95 [2018-10-26 19:33:20,238 WARN L179 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 98 [2018-10-26 19:33:22,333 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2018-10-26 19:33:22,807 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2018-10-26 19:33:23,155 WARN L179 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 96 [2018-10-26 19:33:23,482 WARN L179 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 99 [2018-10-26 19:33:23,913 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2018-10-26 19:33:24,339 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2018-10-26 19:33:25,199 WARN L179 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2018-10-26 19:33:26,114 WARN L179 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 110 [2018-10-26 19:33:26,587 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-10-26 19:33:28,683 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-10-26 19:33:29,158 WARN L179 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2018-10-26 19:33:29,531 WARN L179 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2018-10-26 19:33:29,997 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2018-10-26 19:33:30,442 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-10-26 19:33:30,860 WARN L179 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 104 [2018-10-26 19:33:31,593 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-10-26 19:33:32,091 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-10-26 19:33:32,599 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2018-10-26 19:33:33,032 WARN L179 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 100 [2018-10-26 19:33:33,287 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2018-10-26 19:33:33,738 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-10-26 19:33:34,218 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2018-10-26 19:33:34,610 WARN L179 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 101 [2018-10-26 19:33:34,859 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2018-10-26 19:33:35,347 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2018-10-26 19:33:37,453 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2018-10-26 19:33:37,844 WARN L179 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 98 [2018-10-26 19:33:38,152 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2018-10-26 19:33:39,049 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-10-26 19:33:39,403 WARN L179 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 109 [2018-10-26 19:33:39,615 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-10-26 19:33:40,003 WARN L179 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2018-10-26 19:33:40,387 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2018-10-26 19:33:40,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:33:40,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 129 states and 275 transitions. [2018-10-26 19:33:40,472 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 275 transitions. [2018-10-26 19:33:40,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-26 19:33:40,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:33:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:33:41,323 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:33:41,909 WARN L179 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 95 [2018-10-26 19:33:42,209 WARN L179 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 100 [2018-10-26 19:33:42,936 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-10-26 19:33:43,303 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2018-10-26 19:33:43,599 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2018-10-26 19:33:44,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:33:44,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 133 states and 301 transitions. [2018-10-26 19:33:44,635 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 301 transitions. [2018-10-26 19:33:44,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-26 19:33:44,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:33:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:33:47,200 WARN L179 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 64 [2018-10-26 19:33:48,414 WARN L179 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 92 [2018-10-26 19:33:49,646 WARN L179 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 98 [2018-10-26 19:33:51,348 WARN L179 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 94 [2018-10-26 19:33:55,783 WARN L179 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 132 [2018-10-26 19:33:56,955 WARN L179 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 96 [2018-10-26 19:33:58,205 WARN L179 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 100 [2018-10-26 19:33:58,515 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 6 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:33:59,357 WARN L179 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 96 [2018-10-26 19:34:00,322 WARN L179 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 122 [2018-10-26 19:34:00,950 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2018-10-26 19:34:01,492 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-10-26 19:34:03,394 WARN L179 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 98 [2018-10-26 19:34:04,452 WARN L179 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 124 [2018-10-26 19:34:05,674 WARN L179 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2018-10-26 19:34:06,255 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2018-10-26 19:34:07,005 WARN L179 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 101 [2018-10-26 19:34:07,444 WARN L179 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 123 [2018-10-26 19:34:08,941 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-10-26 19:34:09,516 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2018-10-26 19:34:10,672 WARN L179 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 122 [2018-10-26 19:34:24,282 WARN L179 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 126 DAG size of output: 124 [2018-10-26 19:34:25,094 WARN L179 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 145 [2018-10-26 19:34:26,932 WARN L179 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 121 [2018-10-26 19:34:27,615 WARN L179 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-10-26 19:34:28,657 WARN L179 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 127 [2018-10-26 19:34:29,548 WARN L179 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 150 [2018-10-26 19:34:30,746 WARN L179 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-10-26 19:34:31,961 WARN L179 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-10-26 19:34:33,153 WARN L179 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 128 [2018-10-26 19:34:34,028 WARN L179 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 151 [2018-10-26 19:34:34,823 WARN L179 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2018-10-26 19:34:35,508 WARN L179 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-10-26 19:34:36,714 WARN L179 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 129 [2018-10-26 19:34:37,652 WARN L179 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 152 [2018-10-26 19:34:38,441 WARN L179 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2018-10-26 19:34:39,164 WARN L179 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2018-10-26 19:34:40,257 WARN L179 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 148 [2018-10-26 19:34:41,231 WARN L179 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 160 [2018-10-26 19:34:42,040 WARN L179 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2018-10-26 19:34:42,789 WARN L179 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2018-10-26 19:34:43,481 WARN L179 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 140 [2018-10-26 19:34:44,731 WARN L179 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 154 [2018-10-26 19:34:47,012 WARN L179 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2018-10-26 19:34:47,807 WARN L179 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2018-10-26 19:34:48,601 WARN L179 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 135 [2018-10-26 19:34:49,262 WARN L179 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 149 [2018-10-26 19:34:51,540 WARN L179 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-10-26 19:34:52,416 WARN L179 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-10-26 19:34:53,903 WARN L179 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 150 [2018-10-26 19:34:54,859 WARN L179 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-10-26 19:34:55,510 WARN L179 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 130 [2018-10-26 19:34:56,217 WARN L179 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 146 [2018-10-26 19:34:57,051 WARN L179 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-10-26 19:34:57,933 WARN L179 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-10-26 19:34:58,550 WARN L179 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 132 [2018-10-26 19:34:59,274 WARN L179 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 147 [2018-10-26 19:35:00,025 WARN L179 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-10-26 19:35:00,882 WARN L179 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2018-10-26 19:35:01,543 WARN L179 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 129 [2018-10-26 19:35:02,252 WARN L179 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 144 [2018-10-26 19:35:03,063 WARN L179 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2018-10-26 19:35:03,957 WARN L179 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-10-26 19:35:05,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:35:05,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 158 states and 359 transitions. [2018-10-26 19:35:05,964 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 359 transitions. [2018-10-26 19:35:05,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-26 19:35:05,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:35:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:35:11,991 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 9 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:35:13,162 WARN L179 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2018-10-26 19:35:13,895 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-10-26 19:35:14,690 WARN L179 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 121 [2018-10-26 19:35:16,719 WARN L179 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 129 DAG size of output: 127 [2018-10-26 19:35:17,717 WARN L179 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-10-26 19:35:18,483 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2018-10-26 19:35:19,181 WARN L179 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 122 [2018-10-26 19:35:20,240 WARN L179 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 128 [2018-10-26 19:35:21,087 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-10-26 19:35:22,021 WARN L179 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2018-10-26 19:35:23,003 WARN L179 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 143 [2018-10-26 19:35:23,792 WARN L179 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 149 [2018-10-26 19:35:24,825 WARN L179 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2018-10-26 19:35:25,618 WARN L179 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2018-10-26 19:35:34,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:35:34,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 170 states and 376 transitions. [2018-10-26 19:35:34,524 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 376 transitions. [2018-10-26 19:35:34,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-26 19:35:34,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:35:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:35:35,952 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 6 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:35:36,848 WARN L179 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 129 [2018-10-26 19:35:37,367 WARN L179 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 132 [2018-10-26 19:35:38,103 WARN L179 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-10-26 19:35:38,733 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2018-10-26 19:35:39,382 WARN L179 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 124 [2018-10-26 19:35:39,848 WARN L179 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 127 [2018-10-26 19:35:40,442 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2018-10-26 19:35:41,910 WARN L179 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2018-10-26 19:35:42,578 WARN L179 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 127 [2018-10-26 19:35:43,269 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2018-10-26 19:35:43,728 WARN L179 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 121 [2018-10-26 19:35:44,192 WARN L179 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 123 [2018-10-26 19:35:44,858 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-10-26 19:35:45,506 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-10-26 19:35:46,008 WARN L179 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 124 [2018-10-26 19:35:46,489 WARN L179 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 127 [2018-10-26 19:35:47,240 WARN L179 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2018-10-26 19:35:47,860 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2018-10-26 19:35:48,349 WARN L179 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 121 [2018-10-26 19:35:48,832 WARN L179 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 124 [2018-10-26 19:35:49,582 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-10-26 19:35:50,244 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2018-10-26 19:35:50,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:35:50,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 179 states and 408 transitions. [2018-10-26 19:35:50,372 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 408 transitions. [2018-10-26 19:35:50,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-26 19:35:50,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:35:50,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:35:52,258 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 9 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:35:52,631 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2018-10-26 19:35:55,867 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2018-10-26 19:35:56,073 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2018-10-26 19:35:57,578 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 68 [2018-10-26 19:35:58,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:35:58,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 188 states and 422 transitions. [2018-10-26 19:35:58,358 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 422 transitions. [2018-10-26 19:35:58,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-26 19:35:58,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:35:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:35:59,776 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 6 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:36:01,408 WARN L179 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 155 [2018-10-26 19:36:02,383 WARN L179 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-10-26 19:36:02,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:36:02,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 190 states and 432 transitions. [2018-10-26 19:36:02,780 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 432 transitions. [2018-10-26 19:36:02,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-26 19:36:02,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:36:02,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:36:04,788 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 9 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:36:05,283 WARN L179 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 120 [2018-10-26 19:36:05,765 WARN L179 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 132 [2018-10-26 19:36:06,530 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-10-26 19:36:07,313 WARN L179 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2018-10-26 19:36:08,017 WARN L179 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 127 [2018-10-26 19:36:08,823 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2018-10-26 19:36:09,288 WARN L179 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-10-26 19:36:09,732 WARN L179 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 125 [2018-10-26 19:36:10,386 WARN L179 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2018-10-26 19:36:12,630 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-10-26 19:36:12,948 WARN L179 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-10-26 19:36:13,396 WARN L179 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 128 [2018-10-26 19:36:14,176 WARN L179 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2018-10-26 19:36:14,879 WARN L179 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-10-26 19:36:15,467 WARN L179 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 125 [2018-10-26 19:36:16,191 WARN L179 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-10-26 19:36:16,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:36:16,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 199 states and 448 transitions. [2018-10-26 19:36:16,560 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 448 transitions. [2018-10-26 19:36:16,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-26 19:36:16,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:36:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:36:23,688 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 9 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:36:24,262 WARN L179 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 130 [2018-10-26 19:36:25,100 WARN L179 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 143 [2018-10-26 19:36:25,904 WARN L179 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-10-26 19:36:26,745 WARN L179 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2018-10-26 19:36:27,604 WARN L179 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 138 [2018-10-26 19:36:28,435 WARN L179 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2018-10-26 19:36:28,983 WARN L179 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-10-26 19:36:31,261 WARN L179 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 133 [2018-10-26 19:36:32,145 WARN L179 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2018-10-26 19:36:33,161 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2018-10-26 19:36:33,505 WARN L179 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2018-10-26 19:36:33,995 WARN L179 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 135 [2018-10-26 19:36:34,759 WARN L179 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2018-10-26 19:36:35,715 WARN L179 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-10-26 19:36:36,387 WARN L179 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 132 [2018-10-26 19:36:37,249 WARN L179 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2018-10-26 19:36:37,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:36:37,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 208 states and 466 transitions. [2018-10-26 19:36:37,703 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 466 transitions. [2018-10-26 19:36:37,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-26 19:36:37,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:36:37,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:36:43,751 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 16 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:36:50,955 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2018-10-26 19:36:51,134 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2018-10-26 19:36:52,574 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 71 [2018-10-26 19:36:58,564 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-10-26 19:37:00,737 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-10-26 19:37:01,934 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-10-26 19:37:03,068 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2018-10-26 19:37:03,562 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-10-26 19:37:04,797 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-10-26 19:37:05,336 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-10-26 19:37:12,719 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2018-10-26 19:37:13,237 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2018-10-26 19:37:14,420 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2018-10-26 19:37:14,950 WARN L179 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2018-10-26 19:37:16,338 WARN L179 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-10-26 19:37:16,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:16,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 221 states and 516 transitions. [2018-10-26 19:37:16,500 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 516 transitions. [2018-10-26 19:37:16,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-26 19:37:16,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:17,167 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 16 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:37:17,706 WARN L179 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 125 [2018-10-26 19:37:18,167 WARN L179 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2018-10-26 19:37:20,637 WARN L179 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-10-26 19:37:21,361 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2018-10-26 19:37:21,979 WARN L179 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 128 [2018-10-26 19:37:22,444 WARN L179 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 129 [2018-10-26 19:37:24,908 WARN L179 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-10-26 19:37:25,708 WARN L179 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-10-26 19:37:26,052 WARN L179 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-10-26 19:37:26,546 WARN L179 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 132 [2018-10-26 19:37:28,044 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-10-26 19:37:30,205 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2018-10-26 19:37:30,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:30,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 225 states and 522 transitions. [2018-10-26 19:37:30,275 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 522 transitions. [2018-10-26 19:37:30,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-26 19:37:30,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:30,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:31,243 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 16 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:37:31,787 WARN L179 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 134 [2018-10-26 19:37:32,268 WARN L179 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 137 [2018-10-26 19:37:33,082 WARN L179 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-10-26 19:37:33,895 WARN L179 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2018-10-26 19:37:34,529 WARN L179 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 136 [2018-10-26 19:37:35,044 WARN L179 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 139 [2018-10-26 19:37:35,899 WARN L179 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2018-10-26 19:37:36,963 WARN L179 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2018-10-26 19:37:37,466 WARN L179 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 137 [2018-10-26 19:37:37,969 WARN L179 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 139 [2018-10-26 19:37:38,913 WARN L179 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2018-10-26 19:37:39,847 WARN L179 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2018-10-26 19:37:40,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:37:40,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 234 states and 537 transitions. [2018-10-26 19:37:40,082 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 537 transitions. [2018-10-26 19:37:40,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 19:37:40,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:37:40,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:37:46,633 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 8 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:37:52,126 WARN L179 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 70 [2018-10-26 19:38:05,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:38:05,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 238 states and 551 transitions. [2018-10-26 19:38:05,221 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 551 transitions. [2018-10-26 19:38:05,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 19:38:05,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:38:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:38:06,715 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 8 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:38:15,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:38:15,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 245 states and 564 transitions. [2018-10-26 19:38:15,888 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 564 transitions. [2018-10-26 19:38:15,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 19:38:15,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:38:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:38:21,227 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 16 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:38:26,197 WARN L179 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 138 [2018-10-26 19:38:27,386 WARN L179 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 142 [2018-10-26 19:38:28,434 WARN L179 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2018-10-26 19:38:29,358 WARN L179 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-10-26 19:38:30,049 WARN L179 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 140 [2018-10-26 19:38:30,617 WARN L179 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 144 [2018-10-26 19:38:31,667 WARN L179 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-10-26 19:38:32,584 WARN L179 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-10-26 19:38:33,185 WARN L179 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 141 [2018-10-26 19:38:33,706 WARN L179 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 145 [2018-10-26 19:38:34,656 WARN L179 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-10-26 19:38:35,599 WARN L179 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-10-26 19:38:39,453 WARN L179 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 85 [2018-10-26 19:38:39,837 WARN L179 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2018-10-26 19:38:41,354 WARN L179 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2018-10-26 19:38:42,594 WARN L179 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 155 [2018-10-26 19:38:43,523 WARN L179 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-10-26 19:38:43,878 WARN L179 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 83 [2018-10-26 19:38:44,454 WARN L179 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 151 [2018-10-26 19:38:45,874 WARN L179 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2018-10-26 19:38:46,206 WARN L179 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 84 [2018-10-26 19:38:46,760 WARN L179 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 152 [2018-10-26 19:38:48,209 WARN L179 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2018-10-26 19:38:48,539 WARN L179 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 81 [2018-10-26 19:38:49,114 WARN L179 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 149 [2018-10-26 19:38:50,481 WARN L179 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-10-26 19:38:50,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:38:50,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 261 states and 616 transitions. [2018-10-26 19:38:50,502 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 616 transitions. [2018-10-26 19:38:50,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 19:38:50,502 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:38:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:38:53,488 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 16 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:38:56,219 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2018-10-26 19:39:04,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:39:04,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 274 states and 650 transitions. [2018-10-26 19:39:04,553 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 650 transitions. [2018-10-26 19:39:04,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 19:39:04,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:39:04,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:39:05,220 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 16 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:39:05,645 WARN L179 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 127 [2018-10-26 19:39:06,043 WARN L179 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 132 [2018-10-26 19:39:06,692 WARN L179 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2018-10-26 19:39:07,407 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2018-10-26 19:39:07,953 WARN L179 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 130 [2018-10-26 19:39:08,345 WARN L179 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 135 [2018-10-26 19:39:09,034 WARN L179 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-10-26 19:39:09,764 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-10-26 19:39:10,187 WARN L179 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 131 [2018-10-26 19:39:10,595 WARN L179 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 135 [2018-10-26 19:39:11,414 WARN L179 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2018-10-26 19:39:13,378 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-10-26 19:39:13,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:39:13,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 283 states and 668 transitions. [2018-10-26 19:39:13,444 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 668 transitions. [2018-10-26 19:39:13,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 19:39:13,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:39:13,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:39:14,851 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 8 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:39:15,149 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 45 [2018-10-26 19:39:21,585 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2018-10-26 19:39:23,541 WARN L179 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2018-10-26 19:39:26,638 WARN L179 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2018-10-26 19:39:27,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:39:27,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 290 states and 684 transitions. [2018-10-26 19:39:27,096 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 684 transitions. [2018-10-26 19:39:27,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 19:39:27,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:39:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:39:29,951 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 8 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:39:41,577 WARN L179 SmtUtils]: Spent 10.08 s on a formula simplification. DAG size of input: 43 DAG size of output: 36 [2018-10-26 19:39:43,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:39:43,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 292 states and 690 transitions. [2018-10-26 19:39:43,385 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 690 transitions. [2018-10-26 19:39:43,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 19:39:43,386 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:39:43,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:39:44,041 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 16 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:39:45,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:39:45,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 294 states and 694 transitions. [2018-10-26 19:39:45,930 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 694 transitions. [2018-10-26 19:39:45,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 19:39:45,930 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:39:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:39:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:39:46,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:39:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:39:46,858 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 34 iterations. [2018-10-26 19:39:46,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 07:39:46 ImpRootNode [2018-10-26 19:39:46,938 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 19:39:46,939 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 19:39:46,939 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 19:39:46,939 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 19:39:46,940 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:30:53" (3/4) ... [2018-10-26 19:39:46,942 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-26 19:39:47,088 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a4710ee5-2794-45c4-83d6-5b2b5c180e8e/bin-2019/ukojak/witness.graphml [2018-10-26 19:39:47,089 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 19:39:47,089 INFO L168 Benchmark]: Toolchain (without parser) took 536865.15 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 262.1 MB). Free memory was 962.4 MB in the beginning and 846.0 MB in the end (delta: 116.4 MB). Peak memory consumption was 378.5 MB. Max. memory is 11.5 GB. [2018-10-26 19:39:47,090 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:39:47,092 INFO L168 Benchmark]: CACSL2BoogieTranslator took 317.94 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 946.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-26 19:39:47,092 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.20 ms. Allocated memory is still 1.0 GB. Free memory is still 946.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:39:47,092 INFO L168 Benchmark]: Boogie Preprocessor took 106.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 946.2 MB in the beginning and 1.2 GB in the end (delta: -213.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2018-10-26 19:39:47,092 INFO L168 Benchmark]: RCFGBuilder took 2855.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 117.5 MB). Peak memory consumption was 117.5 MB. Max. memory is 11.5 GB. [2018-10-26 19:39:47,093 INFO L168 Benchmark]: CodeCheck took 533383.05 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 93.3 MB). Free memory was 1.0 GB in the beginning and 863.4 MB in the end (delta: 178.5 MB). Peak memory consumption was 271.8 MB. Max. memory is 11.5 GB. [2018-10-26 19:39:47,094 INFO L168 Benchmark]: Witness Printer took 149.74 ms. Allocated memory is still 1.3 GB. Free memory was 863.4 MB in the beginning and 846.0 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2018-10-26 19:39:47,095 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 1 procedures, 63 locations, 1 error locations. UNSAFE Result, 533.2s OverallTime, 34 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 118476364 SDslu, 396250496 SDs, 0 SdLazy, -520467032 SolverSat, 687290524 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 102.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12955 GetRequests, 11377 SyntacticMatches, 786 SemanticMatches, 792 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 411893 ImplicationChecksByTransitivity, 518.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 92.6s InterpolantComputationTime, 1108 NumberOfCodeBlocks, 1108 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1023 ConstructedInterpolants, 0 QuantifiedInterpolants, 1439072 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 4 PerfectInterpolantSequences, 247/1451 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: 330]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L71] unsigned char r1 ; [L73] char p1_old ; [L74] char p1_new ; [L75] char id1 ; [L76] char st1 ; [L78] _Bool mode1 ; [L80] char p2_old ; [L81] char p2_new ; [L82] char id2 ; [L83] char st2 ; [L85] _Bool mode2 ; [L87] char p3_old ; [L88] char p3_new ; [L89] char id3 ; [L90] char st3 ; [L92] _Bool mode3 ; [L70] msg_t nomsg = (msg_t )-1; [L72] port_t p1 ; [L77] msg_t send1 ; [L79] port_t p2 ; [L84] msg_t send2 ; [L86] port_t p3 ; [L91] msg_t send3 ; [L174] void (*nodes[3])(void) = { & node1, & node2, & node3}; [L278] int c1 ; [L279] int i2 ; [L282] c1 = 0 [L283] r1 = __VERIFIER_nondet_uchar() [L284] id1 = __VERIFIER_nondet_char() [L285] st1 = __VERIFIER_nondet_char() [L286] send1 = __VERIFIER_nondet_char() [L287] mode1 = __VERIFIER_nondet_bool() [L288] id2 = __VERIFIER_nondet_char() [L289] st2 = __VERIFIER_nondet_char() [L290] send2 = __VERIFIER_nondet_char() [L291] mode2 = __VERIFIER_nondet_bool() [L292] id3 = __VERIFIER_nondet_char() [L293] st3 = __VERIFIER_nondet_char() [L294] send3 = __VERIFIER_nondet_char() [L295] mode3 = __VERIFIER_nondet_bool() [L296] CALL, EXPR init() [L177] int tmp ; [L180] COND TRUE (int )r1 == 0 [L181] COND TRUE (int )id1 >= 0 [L182] COND TRUE (int )st1 == 0 [L183] COND TRUE (int )send1 == (int )id1 [L184] COND TRUE (int )mode1 == 0 [L185] COND TRUE (int )id2 >= 0 [L186] COND TRUE (int )st2 == 0 [L187] COND TRUE (int )send2 == (int )id2 [L188] COND TRUE (int )mode2 == 0 [L189] COND TRUE (int )id3 >= 0 [L190] COND TRUE (int )st3 == 0 [L191] COND TRUE (int )send3 == (int )id3 [L192] COND TRUE (int )mode3 == 0 [L193] COND TRUE (int )id1 != (int )id2 [L194] COND TRUE (int )id1 != (int )id3 [L195] COND TRUE (int )id2 != (int )id3 [L196] tmp = 1 [L245] RET return (tmp); [L296] EXPR init() [L296] i2 = init() [L298] p1_old = nomsg [L299] p1_new = nomsg [L300] p2_old = nomsg [L301] p2_new = nomsg [L302] p3_old = nomsg [L303] p3_new = nomsg [L304] i2 = 0 VAL [id1=127, id2=126, id3=124, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=0, send1=127, send2=126, send3=124, st1=0, st2=0, st3=0] [L305] COND TRUE 1 [L307] CALL node1() [L95] msg_t m1 ; [L98] m1 = nomsg [L99] COND FALSE !(\read(mode1)) [L118] COND TRUE, EXPR send1 != nomsg && p1_new == nomsg ? send1 : p1_new [L118] p1_new = send1 != nomsg && p1_new == nomsg ? send1 : p1_new [L119] RET mode1 = (_Bool)1 [L307] node1() [L308] CALL node2() [L126] msg_t m2 ; [L129] m2 = nomsg [L130] COND FALSE !(\read(mode2)) [L143] COND TRUE, EXPR send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L143] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L144] RET mode2 = (_Bool)1 [L308] node2() [L309] CALL node3() [L151] msg_t m3 ; [L154] m3 = nomsg [L155] COND FALSE !(\read(mode3)) [L168] COND TRUE, EXPR send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L168] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L169] RET mode3 = (_Bool)1 [L309] node3() [L310] p1_old = p1_new [L311] p1_new = nomsg [L312] p2_old = p2_new [L313] p2_new = nomsg [L314] p3_old = p3_new [L315] p3_new = nomsg [L316] CALL, EXPR check() [L250] int tmp ; VAL [id1=127, id2=126, id3=124, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=127, p2=0, p2_new=-1, p2_old=126, p3=0, p3_new=-1, p3_old=124, r1=0, send1=127, send2=126, send3=124, st1=0, st2=0, st3=0] [L253] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 VAL [id1=127, id2=126, id3=124, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=127, p2=0, p2_new=-1, p2_old=126, p3=0, p3_new=-1, p3_old=124, r1=0, send1=127, send2=126, send3=124, st1=0, st2=0, st3=0] [L254] COND FALSE !((int )r1 >= 3) VAL [id1=127, id2=126, id3=124, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=127, p2=0, p2_new=-1, p2_old=126, p3=0, p3_new=-1, p3_old=124, r1=0, send1=127, send2=126, send3=124, st1=0, st2=0, st3=0] [L257] COND TRUE ((int )st1 + (int )st2) + (int )st3 == 0 VAL [id1=127, id2=126, id3=124, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=127, p2=0, p2_new=-1, p2_old=126, p3=0, p3_new=-1, p3_old=124, r1=0, send1=127, send2=126, send3=124, st1=0, st2=0, st3=0] [L259] COND TRUE (int )r1 < 3 [L260] tmp = 1 VAL [id1=127, id2=126, id3=124, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=127, p2=0, p2_new=-1, p2_old=126, p3=0, p3_new=-1, p3_old=124, r1=0, send1=127, send2=126, send3=124, st1=0, st2=0, st3=0] [L273] RET return (tmp); [L316] EXPR check() [L316] c1 = check() [L317] CALL assert(c1) [L328] COND FALSE, RET !(! arg) VAL [id1=127, id2=126, id3=124, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=127, p2=0, p2_new=-1, p2_old=126, p3=0, p3_new=-1, p3_old=124, r1=0, send1=127, send2=126, send3=124, st1=0, st2=0, st3=0] [L317] assert(c1) [L305] COND TRUE 1 [L307] CALL node1() [L95] msg_t m1 ; [L98] m1 = nomsg [L99] COND TRUE \read(mode1) [L100] COND FALSE !(r1 == 255) [L103] r1 = r1 + 1 [L104] m1 = p3_old [L105] p3_old = nomsg [L106] COND TRUE (int )m1 != (int )nomsg [L107] COND FALSE !((int )m1 > (int )id1) [L110] COND FALSE !((int )m1 == (int )id1) [L113] send1 = m1 [L116] RET mode1 = (_Bool)0 [L307] node1() [L308] CALL node2() [L126] msg_t m2 ; [L129] m2 = nomsg [L130] COND TRUE \read(mode2) [L131] m2 = p1_old [L132] p1_old = nomsg [L133] COND TRUE (int )m2 != (int )nomsg [L134] COND TRUE (int )m2 > (int )id2 [L135] send2 = m2 [L141] RET mode2 = (_Bool)0 [L308] node2() [L309] CALL node3() [L151] msg_t m3 ; [L154] m3 = nomsg [L155] COND TRUE \read(mode3) [L156] m3 = p2_old [L157] p2_old = nomsg [L158] COND TRUE (int )m3 != (int )nomsg [L159] COND TRUE (int )m3 > (int )id3 [L160] send3 = m3 [L166] RET mode3 = (_Bool)0 [L309] node3() [L310] p1_old = p1_new [L311] p1_new = nomsg [L312] p2_old = p2_new [L313] p2_new = nomsg [L314] p3_old = p3_new [L315] p3_new = nomsg [L316] CALL, EXPR check() [L250] int tmp ; VAL [id1=127, id2=126, id3=124, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=124, send2=127, send3=126, st1=0, st2=0, st3=0] [L253] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 VAL [id1=127, id2=126, id3=124, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=124, send2=127, send3=126, st1=0, st2=0, st3=0] [L254] COND FALSE !((int )r1 >= 3) VAL [id1=127, id2=126, id3=124, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=124, send2=127, send3=126, st1=0, st2=0, st3=0] [L257] COND TRUE ((int )st1 + (int )st2) + (int )st3 == 0 VAL [id1=127, id2=126, id3=124, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=124, send2=127, send3=126, st1=0, st2=0, st3=0] [L259] COND TRUE (int )r1 < 3 [L260] tmp = 1 VAL [id1=127, id2=126, id3=124, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=124, send2=127, send3=126, st1=0, st2=0, st3=0] [L273] RET return (tmp); [L316] EXPR check() [L316] c1 = check() [L317] CALL assert(c1) [L328] COND FALSE, RET !(! arg) VAL [id1=127, id2=126, id3=124, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=1, send1=124, send2=127, send3=126, st1=0, st2=0, st3=0] [L317] assert(c1) [L305] COND TRUE 1 [L307] CALL node1() [L95] msg_t m1 ; [L98] m1 = nomsg [L99] COND FALSE !(\read(mode1)) [L118] COND TRUE, EXPR send1 != nomsg && p1_new == nomsg ? send1 : p1_new [L118] p1_new = send1 != nomsg && p1_new == nomsg ? send1 : p1_new [L119] RET mode1 = (_Bool)1 [L307] node1() [L308] CALL node2() [L126] msg_t m2 ; [L129] m2 = nomsg [L130] COND FALSE !(\read(mode2)) [L143] COND TRUE, EXPR send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L143] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L144] RET mode2 = (_Bool)1 [L308] node2() [L309] CALL node3() [L151] msg_t m3 ; [L154] m3 = nomsg [L155] COND FALSE !(\read(mode3)) [L168] COND TRUE, EXPR send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L168] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L169] RET mode3 = (_Bool)1 [L309] node3() [L310] p1_old = p1_new [L311] p1_new = nomsg [L312] p2_old = p2_new [L313] p2_new = nomsg [L314] p3_old = p3_new [L315] p3_new = nomsg [L316] CALL, EXPR check() [L250] int tmp ; VAL [id1=127, id2=126, id3=124, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=124, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=126, r1=1, send1=124, send2=127, send3=126, st1=0, st2=0, st3=0] [L253] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 VAL [id1=127, id2=126, id3=124, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=124, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=126, r1=1, send1=124, send2=127, send3=126, st1=0, st2=0, st3=0] [L254] COND FALSE !((int )r1 >= 3) VAL [id1=127, id2=126, id3=124, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=124, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=126, r1=1, send1=124, send2=127, send3=126, st1=0, st2=0, st3=0] [L257] COND TRUE ((int )st1 + (int )st2) + (int )st3 == 0 VAL [id1=127, id2=126, id3=124, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=124, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=126, r1=1, send1=124, send2=127, send3=126, st1=0, st2=0, st3=0] [L259] COND TRUE (int )r1 < 3 [L260] tmp = 1 VAL [id1=127, id2=126, id3=124, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=124, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=126, r1=1, send1=124, send2=127, send3=126, st1=0, st2=0, st3=0] [L273] RET return (tmp); [L316] EXPR check() [L316] c1 = check() [L317] CALL assert(c1) [L328] COND FALSE, RET !(! arg) VAL [id1=127, id2=126, id3=124, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=124, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=126, r1=1, send1=124, send2=127, send3=126, st1=0, st2=0, st3=0] [L317] assert(c1) [L305] COND TRUE 1 [L307] CALL node1() [L95] msg_t m1 ; [L98] m1 = nomsg [L99] COND TRUE \read(mode1) [L100] COND FALSE !(r1 == 255) [L103] r1 = r1 + 1 [L104] m1 = p3_old [L105] p3_old = nomsg [L106] COND TRUE (int )m1 != (int )nomsg [L107] COND FALSE !((int )m1 > (int )id1) [L110] COND FALSE !((int )m1 == (int )id1) [L113] send1 = m1 [L116] RET mode1 = (_Bool)0 [L307] node1() [L308] CALL node2() [L126] msg_t m2 ; [L129] m2 = nomsg [L130] COND TRUE \read(mode2) [L131] m2 = p1_old [L132] p1_old = nomsg [L133] COND TRUE (int )m2 != (int )nomsg [L134] COND FALSE !((int )m2 > (int )id2) [L137] COND FALSE !((int )m2 == (int )id2) [L141] RET mode2 = (_Bool)0 [L308] node2() [L309] CALL node3() [L151] msg_t m3 ; [L154] m3 = nomsg [L155] COND TRUE \read(mode3) [L156] m3 = p2_old [L157] p2_old = nomsg [L158] COND TRUE (int )m3 != (int )nomsg [L159] COND TRUE (int )m3 > (int )id3 [L160] send3 = m3 [L166] RET mode3 = (_Bool)0 [L309] node3() [L310] p1_old = p1_new [L311] p1_new = nomsg [L312] p2_old = p2_new [L313] p2_new = nomsg [L314] p3_old = p3_new [L315] p3_new = nomsg [L316] CALL, EXPR check() [L250] int tmp ; VAL [id1=127, id2=126, id3=124, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L253] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 VAL [id1=127, id2=126, id3=124, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L254] COND FALSE !((int )r1 >= 3) VAL [id1=127, id2=126, id3=124, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L257] COND TRUE ((int )st1 + (int )st2) + (int )st3 == 0 VAL [id1=127, id2=126, id3=124, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L259] COND TRUE (int )r1 < 3 [L260] tmp = 1 VAL [id1=127, id2=126, id3=124, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L273] RET return (tmp); [L316] EXPR check() [L316] c1 = check() [L317] CALL assert(c1) [L328] COND FALSE, RET !(! arg) VAL [id1=127, id2=126, id3=124, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L317] assert(c1) [L305] COND TRUE 1 [L307] CALL node1() [L95] msg_t m1 ; [L98] m1 = nomsg [L99] COND FALSE !(\read(mode1)) [L118] COND TRUE, EXPR send1 != nomsg && p1_new == nomsg ? send1 : p1_new [L118] p1_new = send1 != nomsg && p1_new == nomsg ? send1 : p1_new [L119] RET mode1 = (_Bool)1 [L307] node1() [L308] CALL node2() [L126] msg_t m2 ; [L129] m2 = nomsg [L130] COND FALSE !(\read(mode2)) [L143] COND TRUE, EXPR send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L143] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L144] RET mode2 = (_Bool)1 [L308] node2() [L309] CALL node3() [L151] msg_t m3 ; [L154] m3 = nomsg [L155] COND FALSE !(\read(mode3)) [L168] COND TRUE, EXPR send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L168] p3_new = send3 != nomsg && p3_new == nomsg ? send3 : p3_new [L169] RET mode3 = (_Bool)1 [L309] node3() [L310] p1_old = p1_new [L311] p1_new = nomsg [L312] p2_old = p2_new [L313] p2_new = nomsg [L314] p3_old = p3_new [L315] p3_new = nomsg [L316] CALL, EXPR check() [L250] int tmp ; VAL [id1=127, id2=126, id3=124, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=126, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=127, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L253] COND TRUE ((int )st1 + (int )st2) + (int )st3 <= 1 VAL [id1=127, id2=126, id3=124, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=126, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=127, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L254] COND FALSE !((int )r1 >= 3) VAL [id1=127, id2=126, id3=124, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=126, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=127, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L257] COND TRUE ((int )st1 + (int )st2) + (int )st3 == 0 VAL [id1=127, id2=126, id3=124, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=126, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=127, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L259] COND TRUE (int )r1 < 3 [L260] tmp = 1 VAL [id1=127, id2=126, id3=124, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=126, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=127, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L273] RET return (tmp); [L316] EXPR check() [L316] c1 = check() [L317] CALL assert(c1) [L328] COND FALSE, RET !(! arg) VAL [id1=127, id2=126, id3=124, mode1=1, mode2=1, mode3=1, nomsg=-1, p1=0, p1_new=-1, p1_old=126, p2=0, p2_new=-1, p2_old=127, p3=0, p3_new=-1, p3_old=127, r1=2, send1=126, send2=127, send3=127, st1=0, st2=0, st3=0] [L317] assert(c1) [L305] COND TRUE 1 [L307] CALL node1() [L95] msg_t m1 ; [L98] m1 = nomsg [L99] COND TRUE \read(mode1) [L100] COND FALSE !(r1 == 255) [L103] r1 = r1 + 1 [L104] m1 = p3_old [L105] p3_old = nomsg [L106] COND TRUE (int )m1 != (int )nomsg [L107] COND FALSE !((int )m1 > (int )id1) [L110] COND TRUE (int )m1 == (int )id1 [L111] st1 = (char)1 [L116] RET mode1 = (_Bool)0 [L307] node1() [L308] CALL node2() [L126] msg_t m2 ; [L129] m2 = nomsg [L130] COND TRUE \read(mode2) [L131] m2 = p1_old [L132] p1_old = nomsg [L133] COND TRUE (int )m2 != (int )nomsg [L134] COND FALSE !((int )m2 > (int )id2) [L137] COND TRUE (int )m2 == (int )id2 [L138] st2 = (char)1 [L141] RET mode2 = (_Bool)0 [L308] node2() [L309] CALL node3() [L151] msg_t m3 ; [L154] m3 = nomsg [L155] COND TRUE \read(mode3) [L156] m3 = p2_old [L157] p2_old = nomsg [L158] COND TRUE (int )m3 != (int )nomsg [L159] COND TRUE (int )m3 > (int )id3 [L160] send3 = m3 [L166] RET mode3 = (_Bool)0 [L309] node3() [L310] p1_old = p1_new [L311] p1_new = nomsg [L312] p2_old = p2_new [L313] p2_new = nomsg [L314] p3_old = p3_new [L315] p3_new = nomsg [L316] CALL, EXPR check() [L250] int tmp ; VAL [id1=127, id2=126, id3=124, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=126, send2=127, send3=127, st1=1, st2=1, st3=0] [L253] COND FALSE !(((int )st1 + (int )st2) + (int )st3 <= 1) [L271] tmp = 0 VAL [id1=127, id2=126, id3=124, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=126, send2=127, send3=127, st1=1, st2=1, st3=0] [L273] RET return (tmp); [L316] EXPR check() [L316] c1 = check() [L317] CALL assert(c1) [L328] COND TRUE ! arg VAL [id1=127, id2=126, id3=124, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=126, send2=127, send3=127, st1=1, st2=1, st3=0] [L330] __VERIFIER_error() VAL [id1=127, id2=126, id3=124, mode1=0, mode2=0, mode3=0, nomsg=-1, p1=0, p1_new=-1, p1_old=-1, p2=0, p2_new=-1, p2_old=-1, p3=0, p3_new=-1, p3_old=-1, r1=3, send1=126, send2=127, send3=127, st1=1, st2=1, st3=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 317.94 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 946.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.20 ms. Allocated memory is still 1.0 GB. Free memory is still 946.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 106.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 946.2 MB in the beginning and 1.2 GB in the end (delta: -213.2 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2855.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 117.5 MB). Peak memory consumption was 117.5 MB. Max. memory is 11.5 GB. * CodeCheck took 533383.05 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 93.3 MB). Free memory was 1.0 GB in the beginning and 863.4 MB in the end (delta: 178.5 MB). Peak memory consumption was 271.8 MB. Max. memory is 11.5 GB. * Witness Printer took 149.74 ms. Allocated memory is still 1.3 GB. Free memory was 863.4 MB in the beginning and 846.0 MB in the end (delta: 17.5 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...