./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memory-alloca/c.03-alloca_true-valid-memsafety.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e78bf63e-a016-4431-b26e-2099fe39e8cc/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e78bf63e-a016-4431-b26e-2099fe39e8cc/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e78bf63e-a016-4431-b26e-2099fe39e8cc/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e78bf63e-a016-4431-b26e-2099fe39e8cc/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memory-alloca/c.03-alloca_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e78bf63e-a016-4431-b26e-2099fe39e8cc/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e78bf63e-a016-4431-b26e-2099fe39e8cc/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fbf9a4dabe36f21a3bd9a13ccbb8820aa048cd2e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 12:49:11,514 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 12:49:11,515 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 12:49:11,521 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 12:49:11,521 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 12:49:11,522 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 12:49:11,523 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 12:49:11,523 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 12:49:11,524 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 12:49:11,525 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 12:49:11,525 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 12:49:11,525 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 12:49:11,526 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 12:49:11,526 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 12:49:11,527 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 12:49:11,527 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 12:49:11,527 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 12:49:11,528 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 12:49:11,529 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 12:49:11,530 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 12:49:11,530 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 12:49:11,531 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 12:49:11,532 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 12:49:11,532 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 12:49:11,532 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 12:49:11,533 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 12:49:11,533 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 12:49:11,534 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 12:49:11,534 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 12:49:11,535 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 12:49:11,535 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 12:49:11,535 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 12:49:11,535 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 12:49:11,535 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 12:49:11,536 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 12:49:11,536 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 12:49:11,536 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e78bf63e-a016-4431-b26e-2099fe39e8cc/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-09 12:49:11,543 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 12:49:11,544 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 12:49:11,544 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 12:49:11,544 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 12:49:11,544 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 12:49:11,545 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 12:49:11,545 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 12:49:11,545 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 12:49:11,545 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 12:49:11,545 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 12:49:11,545 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-09 12:49:11,545 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-09 12:49:11,545 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-09 12:49:11,545 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 12:49:11,545 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 12:49:11,545 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 12:49:11,546 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 12:49:11,546 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 12:49:11,546 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 12:49:11,546 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 12:49:11,546 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 12:49:11,546 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 12:49:11,546 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 12:49:11,546 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 12:49:11,546 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 12:49:11,546 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in 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_e78bf63e-a016-4431-b26e-2099fe39e8cc/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> fbf9a4dabe36f21a3bd9a13ccbb8820aa048cd2e [2018-12-09 12:49:11,564 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 12:49:11,573 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 12:49:11,576 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 12:49:11,577 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 12:49:11,577 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 12:49:11,578 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e78bf63e-a016-4431-b26e-2099fe39e8cc/bin-2019/ukojak/../../sv-benchmarks/c/memory-alloca/c.03-alloca_true-valid-memsafety.i [2018-12-09 12:49:11,622 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e78bf63e-a016-4431-b26e-2099fe39e8cc/bin-2019/ukojak/data/44cdc9582/773b82f036824a86b2aca320a3f7766b/FLAGe4cb364cc [2018-12-09 12:49:12,040 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 12:49:12,041 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e78bf63e-a016-4431-b26e-2099fe39e8cc/sv-benchmarks/c/memory-alloca/c.03-alloca_true-valid-memsafety.i [2018-12-09 12:49:12,046 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e78bf63e-a016-4431-b26e-2099fe39e8cc/bin-2019/ukojak/data/44cdc9582/773b82f036824a86b2aca320a3f7766b/FLAGe4cb364cc [2018-12-09 12:49:12,058 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e78bf63e-a016-4431-b26e-2099fe39e8cc/bin-2019/ukojak/data/44cdc9582/773b82f036824a86b2aca320a3f7766b [2018-12-09 12:49:12,060 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 12:49:12,061 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 12:49:12,062 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 12:49:12,062 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 12:49:12,064 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 12:49:12,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:49:12" (1/1) ... [2018-12-09 12:49:12,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14e9f722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:49:12, skipping insertion in model container [2018-12-09 12:49:12,066 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:49:12" (1/1) ... [2018-12-09 12:49:12,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 12:49:12,089 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 12:49:12,228 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:49:12,235 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 12:49:12,303 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:49:12,322 INFO L195 MainTranslator]: Completed translation [2018-12-09 12:49:12,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:49:12 WrapperNode [2018-12-09 12:49:12,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 12:49:12,323 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 12:49:12,323 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 12:49:12,323 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 12:49:12,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:49:12" (1/1) ... [2018-12-09 12:49:12,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:49:12" (1/1) ... [2018-12-09 12:49:12,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 12:49:12,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 12:49:12,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 12:49:12,348 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 12:49:12,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:49:12" (1/1) ... [2018-12-09 12:49:12,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:49:12" (1/1) ... [2018-12-09 12:49:12,354 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:49:12" (1/1) ... [2018-12-09 12:49:12,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:49:12" (1/1) ... [2018-12-09 12:49:12,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:49:12" (1/1) ... [2018-12-09 12:49:12,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:49:12" (1/1) ... [2018-12-09 12:49:12,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:49:12" (1/1) ... [2018-12-09 12:49:12,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 12:49:12,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 12:49:12,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 12:49:12,362 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 12:49:12,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:49:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e78bf63e-a016-4431-b26e-2099fe39e8cc/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 [2018-12-09 12:49:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 12:49:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 12:49:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 12:49:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 12:49:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 12:49:12,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 12:49:12,604 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 12:49:12,604 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 12:49:12,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:49:12 BoogieIcfgContainer [2018-12-09 12:49:12,604 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 12:49:12,604 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 12:49:12,604 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 12:49:12,611 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 12:49:12,611 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:49:12" (1/1) ... [2018-12-09 12:49:12,618 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:49:12,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:12,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 51 states and 53 transitions. [2018-12-09 12:49:12,640 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 53 transitions. [2018-12-09 12:49:12,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-12-09 12:49:12,642 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:12,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:12,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:12,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 50 states and 52 transitions. [2018-12-09 12:49:12,758 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 52 transitions. [2018-12-09 12:49:12,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-12-09 12:49:12,758 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:12,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:12,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:12,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 49 states and 51 transitions. [2018-12-09 12:49:12,852 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 51 transitions. [2018-12-09 12:49:12,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-09 12:49:12,852 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:12,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:12,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:12,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:12,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 48 states and 50 transitions. [2018-12-09 12:49:12,946 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 50 transitions. [2018-12-09 12:49:12,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-09 12:49:12,946 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:12,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:13,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:13,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 47 states and 49 transitions. [2018-12-09 12:49:13,115 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 49 transitions. [2018-12-09 12:49:13,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-09 12:49:13,115 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:13,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:13,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:13,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:13,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 46 states and 48 transitions. [2018-12-09 12:49:13,315 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2018-12-09 12:49:13,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-12-09 12:49:13,316 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:13,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:13,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:13,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:13,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 45 states and 47 transitions. [2018-12-09 12:49:13,641 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2018-12-09 12:49:13,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 12:49:13,643 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:13,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:13,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:13,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:13,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 44 states and 46 transitions. [2018-12-09 12:49:13,955 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2018-12-09 12:49:13,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 12:49:13,955 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:13,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:13,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:14,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:14,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 43 states and 45 transitions. [2018-12-09 12:49:14,431 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2018-12-09 12:49:14,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 12:49:14,432 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:14,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:15,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:15,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 44 states and 46 transitions. [2018-12-09 12:49:15,318 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2018-12-09 12:49:15,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 12:49:15,319 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:15,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:15,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:15,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 45 states and 47 transitions. [2018-12-09 12:49:15,993 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2018-12-09 12:49:15,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 12:49:15,993 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:16,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:16,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:16,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 47 states and 50 transitions. [2018-12-09 12:49:16,393 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2018-12-09 12:49:16,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 12:49:16,393 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:16,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:17,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:17,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 49 states and 52 transitions. [2018-12-09 12:49:17,079 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 52 transitions. [2018-12-09 12:49:17,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 12:49:17,080 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:17,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:17,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:17,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 48 states and 51 transitions. [2018-12-09 12:49:17,375 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 51 transitions. [2018-12-09 12:49:17,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 12:49:17,375 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:17,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:18,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:18,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 47 states and 50 transitions. [2018-12-09 12:49:18,779 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2018-12-09 12:49:18,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 12:49:18,780 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:18,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:18,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:19,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:19,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 46 states and 49 transitions. [2018-12-09 12:49:19,117 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 49 transitions. [2018-12-09 12:49:19,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 12:49:19,117 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:19,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:19,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:19,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 45 states and 48 transitions. [2018-12-09 12:49:19,404 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions. [2018-12-09 12:49:19,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 12:49:19,404 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:19,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:22,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:22,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 50 states and 55 transitions. [2018-12-09 12:49:22,450 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2018-12-09 12:49:22,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 12:49:22,451 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:22,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:22,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:23,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:23,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 55 states and 63 transitions. [2018-12-09 12:49:23,822 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2018-12-09 12:49:23,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 12:49:23,823 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:23,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:23,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:25,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:25,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 60 states and 70 transitions. [2018-12-09 12:49:25,789 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 70 transitions. [2018-12-09 12:49:25,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 12:49:25,790 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:25,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:25,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:25,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 59 states and 69 transitions. [2018-12-09 12:49:25,961 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 69 transitions. [2018-12-09 12:49:25,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 12:49:25,961 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:25,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:25,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:26,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:26,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 58 states and 68 transitions. [2018-12-09 12:49:26,078 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2018-12-09 12:49:26,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 12:49:26,079 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:26,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:26,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:26,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:26,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 57 states and 67 transitions. [2018-12-09 12:49:26,117 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 67 transitions. [2018-12-09 12:49:26,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 12:49:26,117 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:26,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:26,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:26,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 56 states and 66 transitions. [2018-12-09 12:49:26,193 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 66 transitions. [2018-12-09 12:49:26,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 12:49:26,194 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:26,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:26,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:26,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:26,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 55 states and 65 transitions. [2018-12-09 12:49:26,210 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2018-12-09 12:49:26,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 12:49:26,210 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:26,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:26,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:26,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 54 states and 64 transitions. [2018-12-09 12:49:26,239 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2018-12-09 12:49:26,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 12:49:26,239 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:26,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:26,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:26,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:26,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 53 states and 63 transitions. [2018-12-09 12:49:26,280 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 63 transitions. [2018-12-09 12:49:26,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 12:49:26,281 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:26,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:26,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:26,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:26,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 52 states and 62 transitions. [2018-12-09 12:49:26,368 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2018-12-09 12:49:26,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 12:49:26,368 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:26,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:26,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:26,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:26,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 53 states and 64 transitions. [2018-12-09 12:49:26,702 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 64 transitions. [2018-12-09 12:49:26,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 12:49:26,703 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:26,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:27,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:27,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 54 states and 65 transitions. [2018-12-09 12:49:27,081 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 65 transitions. [2018-12-09 12:49:27,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 12:49:27,081 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:27,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:27,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:27,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:27,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 52 states and 62 transitions. [2018-12-09 12:49:27,252 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2018-12-09 12:49:27,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 12:49:27,253 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:27,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:27,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:27,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 50 states and 60 transitions. [2018-12-09 12:49:27,505 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2018-12-09 12:49:27,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 12:49:27,505 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:27,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:27,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:27,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 49 states and 59 transitions. [2018-12-09 12:49:27,527 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2018-12-09 12:49:27,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 12:49:27,528 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:27,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:27,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:27,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:27,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 48 states and 58 transitions. [2018-12-09 12:49:27,599 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2018-12-09 12:49:27,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 12:49:27,599 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:27,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 12:49:27,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:27,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 50 states and 61 transitions. [2018-12-09 12:49:27,631 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 61 transitions. [2018-12-09 12:49:27,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 12:49:27,632 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:27,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 12:49:27,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:27,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 52 states and 63 transitions. [2018-12-09 12:49:27,653 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 63 transitions. [2018-12-09 12:49:27,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 12:49:27,653 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:27,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 12:49:27,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:27,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 49 states and 58 transitions. [2018-12-09 12:49:27,888 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2018-12-09 12:49:27,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 12:49:27,888 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:27,894 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 12:49:28,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:28,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 44 states and 53 transitions. [2018-12-09 12:49:28,020 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2018-12-09 12:49:28,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 12:49:28,021 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:28,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:28,032 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 12:49:28,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:28,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 51 states and 62 transitions. [2018-12-09 12:49:28,995 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 62 transitions. [2018-12-09 12:49:28,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 12:49:28,995 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:28,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:29,003 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 12:49:29,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:29,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 58 states and 71 transitions. [2018-12-09 12:49:29,684 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 71 transitions. [2018-12-09 12:49:29,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 12:49:29,684 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:29,697 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 12:49:29,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:29,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 60 states and 72 transitions. [2018-12-09 12:49:29,708 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 72 transitions. [2018-12-09 12:49:29,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 12:49:29,709 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:29,719 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 12:49:29,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:29,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 62 states and 73 transitions. [2018-12-09 12:49:29,744 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 73 transitions. [2018-12-09 12:49:29,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 12:49:29,744 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:29,756 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 12:49:30,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:30,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 59 states and 68 transitions. [2018-12-09 12:49:30,064 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 68 transitions. [2018-12-09 12:49:30,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 12:49:30,064 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:30,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:31,122 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 12:49:31,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:31,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 66 states and 76 transitions. [2018-12-09 12:49:31,797 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 76 transitions. [2018-12-09 12:49:31,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 12:49:31,797 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:31,816 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 12:49:32,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:32,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 63 states and 71 transitions. [2018-12-09 12:49:32,105 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2018-12-09 12:49:32,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 12:49:32,105 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:34,957 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:49:38,151 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 92 [2018-12-09 12:49:38,824 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 94 [2018-12-09 12:49:39,164 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 96 [2018-12-09 12:49:40,180 WARN L180 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 103 [2018-12-09 12:49:40,872 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 105 [2018-12-09 12:49:42,010 WARN L180 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2018-12-09 12:49:42,798 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 101 [2018-12-09 12:49:43,656 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 101 [2018-12-09 12:49:44,304 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 103 [2018-12-09 12:49:45,015 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2018-12-09 12:49:45,357 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 100 [2018-12-09 12:49:45,749 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 102 [2018-12-09 12:49:52,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:52,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 76 states and 100 transitions. [2018-12-09 12:49:52,809 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 100 transitions. [2018-12-09 12:49:52,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 12:49:52,809 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:52,825 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 12:49:54,825 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2018-12-09 12:49:55,386 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2018-12-09 12:49:56,428 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2018-12-09 12:49:57,195 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2018-12-09 12:49:57,699 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2018-12-09 12:49:59,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:49:59,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 81 states and 108 transitions. [2018-12-09 12:49:59,784 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 108 transitions. [2018-12-09 12:49:59,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 12:49:59,784 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:49:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:49:59,791 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 12:50:02,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:50:02,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 83 states and 111 transitions. [2018-12-09 12:50:02,736 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 111 transitions. [2018-12-09 12:50:02,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 12:50:02,736 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:50:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:50:02,753 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 12:50:03,117 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2018-12-09 12:50:04,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:50:04,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 83 states and 110 transitions. [2018-12-09 12:50:04,566 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 110 transitions. [2018-12-09 12:50:04,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 12:50:04,567 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:50:04,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:50:04,585 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 12:50:05,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:50:05,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 83 states and 109 transitions. [2018-12-09 12:50:05,537 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 109 transitions. [2018-12-09 12:50:05,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 12:50:05,537 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:50:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:50:05,547 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 12:50:07,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:50:07,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 81 states and 105 transitions. [2018-12-09 12:50:07,574 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 105 transitions. [2018-12-09 12:50:07,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 12:50:07,574 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:50:07,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:50:07,593 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 12:50:09,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:50:09,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 83 states and 108 transitions. [2018-12-09 12:50:09,698 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 108 transitions. [2018-12-09 12:50:09,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 12:50:09,698 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:50:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:50:17,695 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:50:18,544 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 101 [2018-12-09 12:50:18,851 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 93 [2018-12-09 12:50:19,997 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 97 [2018-12-09 12:50:20,295 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 91 [2018-12-09 12:50:21,411 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 104 [2018-12-09 12:50:21,968 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 90 [2018-12-09 12:50:23,100 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2018-12-09 12:50:23,661 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 89 [2018-12-09 12:50:26,133 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 91 [2018-12-09 12:50:26,968 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 102 [2018-12-09 12:50:27,551 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 99 [2018-12-09 12:50:28,801 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 112 [2018-12-09 12:50:29,422 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 108 [2018-12-09 12:50:30,712 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 102 [2018-12-09 12:50:31,293 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 98 [2018-12-09 12:50:32,490 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 104 [2018-12-09 12:50:33,084 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 100 [2018-12-09 12:50:34,371 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 103 [2018-12-09 12:50:34,951 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 99 [2018-12-09 12:50:38,785 WARN L180 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 89 [2018-12-09 12:50:40,793 WARN L180 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 102 [2018-12-09 12:50:45,399 WARN L180 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 78 [2018-12-09 12:50:47,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:50:47,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 104 states and 146 transitions. [2018-12-09 12:50:47,961 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 146 transitions. [2018-12-09 12:50:47,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 12:50:47,961 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:50:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:50:47,979 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 12:50:49,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:50:49,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 105 states and 147 transitions. [2018-12-09 12:50:49,418 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 147 transitions. [2018-12-09 12:50:49,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 12:50:49,419 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:50:49,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:50:49,443 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 12:50:51,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:50:51,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 107 states and 148 transitions. [2018-12-09 12:50:51,881 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 148 transitions. [2018-12-09 12:50:51,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 12:50:51,882 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:50:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:50:51,891 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 12:50:52,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:50:52,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 105 states and 145 transitions. [2018-12-09 12:50:52,655 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 145 transitions. [2018-12-09 12:50:52,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 12:50:52,655 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:50:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:50:52,672 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 12:50:53,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:50:53,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 91 states and 126 transitions. [2018-12-09 12:50:53,216 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 126 transitions. [2018-12-09 12:50:53,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 12:50:53,216 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:50:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:50:53,904 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 59 [2018-12-09 12:50:54,615 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 63 [2018-12-09 12:50:55,296 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 67 [2018-12-09 12:50:56,558 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 65 [2018-12-09 12:50:57,310 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 70 [2018-12-09 12:50:58,044 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 67 [2018-12-09 12:50:58,840 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 70 [2018-12-09 12:50:59,682 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 67 [2018-12-09 12:51:00,412 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 71 [2018-12-09 12:51:01,231 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 67 [2018-12-09 12:51:02,528 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 65 [2018-12-09 12:51:03,343 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 62 [2018-12-09 12:51:04,041 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 59 [2018-12-09 12:51:05,396 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 52 [2018-12-09 12:51:06,188 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:51:09,531 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 95 [2018-12-09 12:51:10,320 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 101 [2018-12-09 12:51:14,776 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 104 [2018-12-09 12:51:23,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:51:23,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 98 states and 139 transitions. [2018-12-09 12:51:23,895 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 139 transitions. [2018-12-09 12:51:23,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 12:51:23,895 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:51:23,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:51:23,910 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 12:51:25,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:51:25,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 86 states and 125 transitions. [2018-12-09 12:51:25,959 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 125 transitions. [2018-12-09 12:51:25,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 12:51:25,959 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:51:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:51:25,977 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 12:51:26,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:51:26,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 74 states and 112 transitions. [2018-12-09 12:51:26,937 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 112 transitions. [2018-12-09 12:51:26,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 12:51:26,937 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:51:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:51:41,438 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 12:51:42,396 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 96 [2018-12-09 12:51:44,105 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 95 [2018-12-09 12:51:46,758 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 68 [2018-12-09 12:51:47,466 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 90 [2018-12-09 12:51:48,819 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 74 [2018-12-09 12:51:49,804 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 101 [2018-12-09 12:51:51,677 WARN L180 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 83 [2018-12-09 12:51:53,162 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 113 [2018-12-09 12:51:55,279 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 80 [2018-12-09 12:51:56,231 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2018-12-09 12:51:57,618 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2018-12-09 12:51:58,351 WARN L180 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 79 [2018-12-09 12:51:59,127 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 100 [2018-12-09 12:52:01,262 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 99 [2018-12-09 12:52:04,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:52:04,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 85 states and 128 transitions. [2018-12-09 12:52:04,933 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 128 transitions. [2018-12-09 12:52:04,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 12:52:04,933 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:52:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:52:10,435 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 12:52:10,860 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 110 [2018-12-09 12:52:11,282 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 104 [2018-12-09 12:52:12,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:52:12,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 86 states and 130 transitions. [2018-12-09 12:52:12,630 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 130 transitions. [2018-12-09 12:52:12,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 12:52:12,631 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:52:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:52:18,712 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 12:52:19,091 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 103 [2018-12-09 12:52:19,456 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 98 [2018-12-09 12:52:21,055 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 107 [2018-12-09 12:52:21,402 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 97 [2018-12-09 12:52:23,060 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 106 [2018-12-09 12:52:23,405 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 96 [2018-12-09 12:52:24,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:52:24,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 89 states and 133 transitions. [2018-12-09 12:52:24,683 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 133 transitions. [2018-12-09 12:52:24,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 12:52:24,683 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:52:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:52:37,461 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 29 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:52:38,824 WARN L180 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 103 [2018-12-09 12:52:39,559 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 105 [2018-12-09 12:52:41,278 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 107 [2018-12-09 12:52:42,193 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 108 [2018-12-09 12:52:43,861 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2018-12-09 12:52:44,879 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 94 [2018-12-09 12:52:47,457 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2018-12-09 12:52:50,015 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 93 [2018-12-09 12:52:52,087 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 97 [2018-12-09 12:52:53,849 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 98 [2018-12-09 12:52:54,732 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 99 [2018-12-09 12:52:56,752 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 110 [2018-12-09 12:52:57,186 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 109 [2018-12-09 12:52:59,059 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 103 [2018-12-09 12:52:59,420 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 99 [2018-12-09 12:53:01,334 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 107 [2018-12-09 12:53:01,747 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 107 [2018-12-09 12:53:03,689 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 109 [2018-12-09 12:53:04,636 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 111 [2018-12-09 12:53:10,761 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 87 [2018-12-09 12:53:15,595 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 116 [2018-12-09 12:53:17,995 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 107 [2018-12-09 12:53:21,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:53:21,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 104 states and 164 transitions. [2018-12-09 12:53:21,778 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 164 transitions. [2018-12-09 12:53:21,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 12:53:21,779 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:53:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:53:22,763 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 56 [2018-12-09 12:53:24,691 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 61 [2018-12-09 12:53:26,683 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 61 [2018-12-09 12:53:27,988 WARN L180 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 66 [2018-12-09 12:53:29,595 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 63 [2018-12-09 12:53:30,724 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 66 [2018-12-09 12:53:32,828 WARN L180 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 64 [2018-12-09 12:53:34,137 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 66 [2018-12-09 12:53:36,133 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 61 [2018-12-09 12:53:37,137 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 59 [2018-12-09 12:53:38,218 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 56 [2018-12-09 12:53:39,154 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 49 [2018-12-09 12:53:39,392 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 12:53:42,420 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 99 [2018-12-09 12:53:43,542 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 108 [2018-12-09 12:53:45,515 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 98 [2018-12-09 12:53:46,583 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 107 [2018-12-09 12:53:50,263 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 111 [2018-12-09 12:53:59,134 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 58 [2018-12-09 12:54:01,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:54:01,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 110 states and 174 transitions. [2018-12-09 12:54:01,800 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 174 transitions. [2018-12-09 12:54:01,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 12:54:01,801 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:54:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:54:14,859 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 12:54:16,560 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 110 [2018-12-09 12:54:17,741 WARN L180 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 102 [2018-12-09 12:54:20,646 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 109 [2018-12-09 12:54:21,089 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 96 [2018-12-09 12:54:23,248 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 114 [2018-12-09 12:54:23,769 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 100 [2018-12-09 12:54:28,192 WARN L180 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 86 [2018-12-09 12:54:30,681 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 111 [2018-12-09 12:54:31,148 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 114 [2018-12-09 12:54:33,622 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 119 [2018-12-09 12:54:34,133 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 122 [2018-12-09 12:54:36,372 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 111 [2018-12-09 12:54:36,802 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 111 [2018-12-09 12:54:53,817 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2018-12-09 12:54:58,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:54:58,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 122 states and 199 transitions. [2018-12-09 12:54:58,032 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 199 transitions. [2018-12-09 12:54:58,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 12:54:58,032 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:54:58,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:54:59,068 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 59 [2018-12-09 12:55:10,145 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 64 [2018-12-09 12:55:12,126 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 65 [2018-12-09 12:55:13,409 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 51 [2018-12-09 12:55:13,989 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 12:55:16,368 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 109 [2018-12-09 12:55:17,740 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 99 [2018-12-09 12:55:18,170 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 108 [2018-12-09 12:55:24,313 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 100 [2018-12-09 12:55:29,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:29,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 40 states and 53 transitions. [2018-12-09 12:55:29,043 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2018-12-09 12:55:29,043 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 12:55:29,043 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 67 iterations. [2018-12-09 12:55:29,049 INFO L779 CodeCheckObserver]: All specifications hold 31 specifications checked. All of them hold [2018-12-09 12:55:29,270 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 86 [2018-12-09 12:55:29,400 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2018-12-09 12:55:29,578 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2018-12-09 12:55:29,750 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 91 [2018-12-09 12:55:29,890 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 91 [2018-12-09 12:55:30,030 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 86 [2018-12-09 12:55:30,235 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2018-12-09 12:55:30,515 WARN L180 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2018-12-09 12:55:30,656 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 91 [2018-12-09 12:55:31,365 WARN L180 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2018-12-09 12:55:32,488 WARN L180 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 116 DAG size of output: 111 [2018-12-09 12:55:32,961 WARN L180 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 119 [2018-12-09 12:55:32,962 INFO L583 CodeCheckObserver]: Invariant with dag size 86 [2018-12-09 12:55:32,967 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:32,968 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:32,968 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:32,968 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:32,969 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 12:55:32,969 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 12:55:32,969 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:32,969 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 12:55:32,969 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 12:55:32,975 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:32,975 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:32,975 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:32,975 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:32,975 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 12:55:32,976 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 12:55:32,976 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:32,976 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 12:55:32,976 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 12:55:32,977 INFO L583 CodeCheckObserver]: Invariant with dag size 45 [2018-12-09 12:55:32,978 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:32,978 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:32,978 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 12:55:32,978 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:32,978 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:32,978 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:32,980 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:32,980 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:32,980 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 12:55:32,980 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:32,980 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:32,980 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:32,981 INFO L583 CodeCheckObserver]: Invariant with dag size 3 [2018-12-09 12:55:32,981 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:32,981 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:32,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 12:55:32 ImpRootNode [2018-12-09 12:55:32,981 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 12:55:32,982 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 12:55:32,982 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 12:55:32,982 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 12:55:32,982 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:49:12" (3/4) ... [2018-12-09 12:55:32,985 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 12:55:32,991 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-12-09 12:55:32,991 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 12:55:32,991 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 12:55:33,007 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((0 < z_ref + 1 && (y_ref == z_ref || !(y_ref == z_ref))) && !(x_ref == z_ref)) && 0 < x_ref + 1) && \valid[y_ref] == 1) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (sizeof(int)) := 1][__builtin_alloca (sizeof(int)) := 1][__builtin_alloca (sizeof(int))]) && !(x_ref == c)) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (sizeof(int)) := 1][__builtin_alloca (sizeof(int)) := 1][__builtin_alloca (sizeof(int)) := 1][__builtin_alloca (sizeof(int))]) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (sizeof(int)) := 1][__builtin_alloca (sizeof(int))]) && 0 < y_ref + 1) && 1 == \valid[c]) && \valid[z_ref] == 1) && (y_ref == c || !(y_ref == c))) && !(z_ref == c)) && \valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (sizeof(int)) := \valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int))]][__builtin_alloca (sizeof(int)) := \valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int))]][__builtin_alloca (sizeof(int)) := \valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int))]][__builtin_alloca (sizeof(int)) := \valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int))]]) && 0 < c + 1) && \valid[x_ref] == 1) && x_ref + 4 <= unknown-#length-unknown[x_ref]) && c + 4 <= unknown-#length-unknown[c]) && \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (sizeof(int))] == \valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int))]) && z_ref + 4 <= unknown-#length-unknown[z_ref]) && y_ref + 4 <= unknown-#length-unknown[y_ref] [2018-12-09 12:55:33,007 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (sizeof(int)) := \valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int))]][__builtin_alloca (sizeof(int)) := \valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int))]][__builtin_alloca (sizeof(int)) := \valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int))]][__builtin_alloca (sizeof(int)) := \valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int))]] && 0 < c + 1) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (sizeof(int)) := 1][__builtin_alloca (sizeof(int)) := 1][__builtin_alloca (sizeof(int))]) && c + 4 <= unknown-#length-unknown[c]) && \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (sizeof(int))] == \valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int))]) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (sizeof(int)) := 1][__builtin_alloca (sizeof(int)) := 1][__builtin_alloca (sizeof(int)) := 1][__builtin_alloca (sizeof(int))]) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (sizeof(int)) := 1][__builtin_alloca (sizeof(int))]) && 1 == \valid[c] [2018-12-09 12:55:33,007 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2018-12-09 12:55:33,018 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e78bf63e-a016-4431-b26e-2099fe39e8cc/bin-2019/ukojak/witness.graphml [2018-12-09 12:55:33,018 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 12:55:33,018 INFO L168 Benchmark]: Toolchain (without parser) took 380957.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 951.7 MB in the beginning and 699.9 MB in the end (delta: 251.8 MB). Peak memory consumption was 411.2 MB. Max. memory is 11.5 GB. [2018-12-09 12:55:33,019 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:55:33,019 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -162.9 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2018-12-09 12:55:33,019 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 12:55:33,019 INFO L168 Benchmark]: Boogie Preprocessor took 13.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:55:33,019 INFO L168 Benchmark]: RCFGBuilder took 242.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2018-12-09 12:55:33,019 INFO L168 Benchmark]: CodeCheck took 380377.08 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 34.1 MB). Free memory was 1.1 GB in the beginning and 706.5 MB in the end (delta: 375.0 MB). Peak memory consumption was 417.7 MB. Max. memory is 11.5 GB. [2018-12-09 12:55:33,020 INFO L168 Benchmark]: Witness Printer took 36.08 ms. Allocated memory is still 1.2 GB. Free memory was 706.5 MB in the beginning and 699.9 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-09 12:55:33,021 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, 58 locations, 31 error locations. SAFE Result, 376.4s OverallTime, 67 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 1749207276 SDslu, 327226368 SDs, 0 SdLazy, 398794162 SolverSat, 104453774 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 51.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10630 GetRequests, 9084 SyntacticMatches, 582 SemanticMatches, 964 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 628955 ImplicationChecksByTransitivity, 371.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 111.7s InterpolantComputationTime, 1206 NumberOfCodeBlocks, 1206 NumberOfCodeBlocksAsserted, 66 NumberOfCheckSat, 1140 ConstructedInterpolants, 0 QuantifiedInterpolants, 1254078 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 66 InterpolantComputations, 56 PerfectInterpolantSequences, 352/511 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 - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 560]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 550]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 551]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 552]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 554]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 556]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 549]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 558]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 558]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 547]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 556]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 556]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 548]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 556]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 31 specifications checked. All of them hold - InvariantResult [Line: 549]: Loop Invariant [2018-12-09 12:55:33,023 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:33,023 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:33,023 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:33,023 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:33,023 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 12:55:33,023 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 12:55:33,023 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:33,023 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 12:55:33,024 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 12:55:33,025 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:33,025 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:33,025 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:33,025 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:33,025 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 12:55:33,025 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 12:55:33,025 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:33,025 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 12:55:33,026 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((((((((((((((((((((0 < z_ref + 1 && (y_ref == z_ref || !(y_ref == z_ref))) && !(x_ref == z_ref)) && 0 < x_ref + 1) && \valid[y_ref] == 1) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (sizeof(int)) := 1][__builtin_alloca (sizeof(int)) := 1][__builtin_alloca (sizeof(int))]) && !(x_ref == c)) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (sizeof(int)) := 1][__builtin_alloca (sizeof(int)) := 1][__builtin_alloca (sizeof(int)) := 1][__builtin_alloca (sizeof(int))]) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (sizeof(int)) := 1][__builtin_alloca (sizeof(int))]) && 0 < y_ref + 1) && 1 == \valid[c]) && \valid[z_ref] == 1) && (y_ref == c || !(y_ref == c))) && !(z_ref == c)) && \valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (sizeof(int)) := \valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int))]][__builtin_alloca (sizeof(int)) := \valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int))]][__builtin_alloca (sizeof(int)) := \valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int))]][__builtin_alloca (sizeof(int)) := \valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int))]]) && 0 < c + 1) && \valid[x_ref] == 1) && x_ref + 4 <= unknown-#length-unknown[x_ref]) && c + 4 <= unknown-#length-unknown[c]) && \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (sizeof(int))] == \valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int))]) && z_ref + 4 <= unknown-#length-unknown[z_ref]) && y_ref + 4 <= unknown-#length-unknown[y_ref] - InvariantResult [Line: 550]: Loop Invariant [2018-12-09 12:55:33,026 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:33,027 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:33,027 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 12:55:33,027 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:33,027 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:33,027 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:33,028 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:33,028 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:33,028 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-12-09 12:55:33,028 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:33,028 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:33,028 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: ((((((\valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0] == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (sizeof(int)) := \valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int))]][__builtin_alloca (sizeof(int)) := \valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int))]][__builtin_alloca (sizeof(int)) := \valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int))]][__builtin_alloca (sizeof(int)) := \valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int))]] && 0 < c + 1) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (sizeof(int)) := 1][__builtin_alloca (sizeof(int)) := 1][__builtin_alloca (sizeof(int))]) && c + 4 <= unknown-#length-unknown[c]) && \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (sizeof(int))] == \valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int))]) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (sizeof(int)) := 1][__builtin_alloca (sizeof(int)) := 1][__builtin_alloca (sizeof(int)) := 1][__builtin_alloca (sizeof(int))]) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (sizeof(int)) := 1][__builtin_alloca (sizeof(int))]) && 1 == \valid[c] - InvariantResult [Line: 560]: Loop Invariant [2018-12-09 12:55:33,028 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2018-12-09 12:55:33,029 WARN L1298 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 260.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -162.9 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 242.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. * CodeCheck took 380377.08 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 34.1 MB). Free memory was 1.1 GB in the beginning and 706.5 MB in the end (delta: 375.0 MB). Peak memory consumption was 417.7 MB. Max. memory is 11.5 GB. * Witness Printer took 36.08 ms. Allocated memory is still 1.2 GB. Free memory was 706.5 MB in the beginning and 699.9 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid RESULT: Ultimate proved your program to be correct! Received shutdown request...