./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/getNumbers2_false-valid-deref.c --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_7d347927-967b-4f5e-8a74-b43b50018df5/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7d347927-967b-4f5e-8a74-b43b50018df5/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7d347927-967b-4f5e-8a74-b43b50018df5/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7d347927-967b-4f5e-8a74-b43b50018df5/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/getNumbers2_false-valid-deref.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7d347927-967b-4f5e-8a74-b43b50018df5/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7d347927-967b-4f5e-8a74-b43b50018df5/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 e872a0dffbf376eb2d8b1e3516401a8dafe115a6 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 01:09:58,279 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 01:09:58,280 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 01:09:58,286 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 01:09:58,286 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 01:09:58,286 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 01:09:58,287 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 01:09:58,288 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 01:09:58,289 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 01:09:58,289 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 01:09:58,289 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 01:09:58,290 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 01:09:58,290 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 01:09:58,291 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 01:09:58,291 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 01:09:58,291 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 01:09:58,292 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 01:09:58,293 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 01:09:58,294 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 01:09:58,295 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 01:09:58,295 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 01:09:58,296 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 01:09:58,297 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 01:09:58,297 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 01:09:58,297 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 01:09:58,298 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 01:09:58,298 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 01:09:58,299 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 01:09:58,299 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 01:09:58,300 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 01:09:58,300 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 01:09:58,300 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 01:09:58,301 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 01:09:58,301 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 01:09:58,301 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 01:09:58,302 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 01:09:58,302 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7d347927-967b-4f5e-8a74-b43b50018df5/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-03 01:09:58,309 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 01:09:58,309 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 01:09:58,310 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 01:09:58,310 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 01:09:58,310 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 01:09:58,311 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 01:09:58,311 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-03 01:09:58,311 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 01:09:58,311 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 01:09:58,311 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 01:09:58,311 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-03 01:09:58,311 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-03 01:09:58,311 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-03 01:09:58,312 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 01:09:58,312 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 01:09:58,312 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-03 01:09:58,312 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-03 01:09:58,312 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-03 01:09:58,312 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 01:09:58,312 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 01:09:58,312 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-03 01:09:58,312 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 01:09:58,312 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 01:09:58,313 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-03 01:09:58,313 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 01:09:58,313 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_7d347927-967b-4f5e-8a74-b43b50018df5/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 -> e872a0dffbf376eb2d8b1e3516401a8dafe115a6 [2018-12-03 01:09:58,330 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 01:09:58,338 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 01:09:58,341 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 01:09:58,342 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 01:09:58,342 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 01:09:58,343 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7d347927-967b-4f5e-8a74-b43b50018df5/bin-2019/ukojak/../../sv-benchmarks/c/memsafety-ext3/getNumbers2_false-valid-deref.c [2018-12-03 01:09:58,387 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7d347927-967b-4f5e-8a74-b43b50018df5/bin-2019/ukojak/data/216183c8e/9b9a33e74d9c490cb1f985c7b0d11641/FLAG770ba0c54 [2018-12-03 01:09:58,721 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 01:09:58,721 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7d347927-967b-4f5e-8a74-b43b50018df5/sv-benchmarks/c/memsafety-ext3/getNumbers2_false-valid-deref.c [2018-12-03 01:09:58,725 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7d347927-967b-4f5e-8a74-b43b50018df5/bin-2019/ukojak/data/216183c8e/9b9a33e74d9c490cb1f985c7b0d11641/FLAG770ba0c54 [2018-12-03 01:09:58,733 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7d347927-967b-4f5e-8a74-b43b50018df5/bin-2019/ukojak/data/216183c8e/9b9a33e74d9c490cb1f985c7b0d11641 [2018-12-03 01:09:58,734 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 01:09:58,735 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 01:09:58,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 01:09:58,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 01:09:58,738 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 01:09:58,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:09:58" (1/1) ... [2018-12-03 01:09:58,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e5cabf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:58, skipping insertion in model container [2018-12-03 01:09:58,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:09:58" (1/1) ... [2018-12-03 01:09:58,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 01:09:58,752 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 01:09:58,837 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 01:09:58,844 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 01:09:58,854 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 01:09:58,865 INFO L195 MainTranslator]: Completed translation [2018-12-03 01:09:58,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:58 WrapperNode [2018-12-03 01:09:58,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 01:09:58,865 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 01:09:58,865 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 01:09:58,866 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 01:09:58,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:58" (1/1) ... [2018-12-03 01:09:58,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:58" (1/1) ... [2018-12-03 01:09:58,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 01:09:58,887 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 01:09:58,887 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 01:09:58,887 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 01:09:58,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:58" (1/1) ... [2018-12-03 01:09:58,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:58" (1/1) ... [2018-12-03 01:09:58,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:58" (1/1) ... [2018-12-03 01:09:58,923 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:58" (1/1) ... [2018-12-03 01:09:58,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:58" (1/1) ... [2018-12-03 01:09:58,930 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:58" (1/1) ... [2018-12-03 01:09:58,931 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:58" (1/1) ... [2018-12-03 01:09:58,932 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 01:09:58,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 01:09:58,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 01:09:58,933 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 01:09:58,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7d347927-967b-4f5e-8a74-b43b50018df5/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 [2018-12-03 01:09:58,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-03 01:09:58,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 01:09:58,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 01:09:58,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 01:09:58,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-03 01:09:58,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-03 01:09:59,145 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 01:09:59,146 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-03 01:09:59,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:09:59 BoogieIcfgContainer [2018-12-03 01:09:59,146 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 01:09:59,146 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-03 01:09:59,146 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-03 01:09:59,153 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-03 01:09:59,153 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:09:59" (1/1) ... [2018-12-03 01:09:59,160 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:09:59,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:09:59,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2018-12-03 01:09:59,184 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2018-12-03 01:09:59,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-03 01:09:59,186 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:09:59,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:09:59,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:09:59,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:09:59,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-12-03 01:09:59,295 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-12-03 01:09:59,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-03 01:09:59,295 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:09:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:09:59,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:09:59,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:09:59,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2018-12-03 01:09:59,387 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-12-03 01:09:59,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-03 01:09:59,387 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:09:59,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:09:59,442 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:09:59,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:09:59,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2018-12-03 01:09:59,557 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-12-03 01:09:59,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-03 01:09:59,557 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:09:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:09:59,639 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-03 01:09:59,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:09:59,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2018-12-03 01:09:59,906 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2018-12-03 01:09:59,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-03 01:09:59,907 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:09:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:09:59,932 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-03 01:09:59,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:09:59,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2018-12-03 01:09:59,952 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2018-12-03 01:09:59,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-03 01:09:59,953 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:09:59,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:00,007 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:10:00,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:00,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2018-12-03 01:10:00,138 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2018-12-03 01:10:00,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-03 01:10:00,139 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:00,168 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:10:00,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:00,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 24 states and 26 transitions. [2018-12-03 01:10:00,323 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2018-12-03 01:10:00,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 01:10:00,324 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:00,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:00,356 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:10:00,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:00,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 26 states and 28 transitions. [2018-12-03 01:10:00,543 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2018-12-03 01:10:00,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-03 01:10:00,543 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:00,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:00,592 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:10:00,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:00,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 28 states and 30 transitions. [2018-12-03 01:10:00,798 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2018-12-03 01:10:00,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-03 01:10:00,798 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:00,856 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:10:01,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:01,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 30 states and 32 transitions. [2018-12-03 01:10:01,054 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2018-12-03 01:10:01,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-03 01:10:01,055 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:01,098 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:10:01,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:01,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 32 states and 34 transitions. [2018-12-03 01:10:01,316 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2018-12-03 01:10:01,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-03 01:10:01,316 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:01,356 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:10:01,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:01,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 34 states and 36 transitions. [2018-12-03 01:10:01,581 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2018-12-03 01:10:01,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-03 01:10:01,581 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:01,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:01,628 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:10:01,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:01,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 36 states and 37 transitions. [2018-12-03 01:10:01,814 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2018-12-03 01:10:01,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-03 01:10:01,814 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:01,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:01,964 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-03 01:10:02,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:02,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 38 states and 41 transitions. [2018-12-03 01:10:02,137 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2018-12-03 01:10:02,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-03 01:10:02,140 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:02,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:02,215 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-03 01:10:02,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:02,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 40 states and 43 transitions. [2018-12-03 01:10:02,384 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2018-12-03 01:10:02,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-03 01:10:02,385 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:02,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:02,452 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-03 01:10:02,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:02,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 41 states and 45 transitions. [2018-12-03 01:10:02,649 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2018-12-03 01:10:02,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-03 01:10:02,650 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:02,720 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-03 01:10:03,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:03,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 44 states and 49 transitions. [2018-12-03 01:10:03,123 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2018-12-03 01:10:03,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-03 01:10:03,123 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:03,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:03,186 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-03 01:10:03,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:03,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 45 states and 51 transitions. [2018-12-03 01:10:03,288 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2018-12-03 01:10:03,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-03 01:10:03,288 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:03,409 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-03 01:10:03,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:03,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 48 states and 57 transitions. [2018-12-03 01:10:03,867 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2018-12-03 01:10:03,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-03 01:10:03,867 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:03,922 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-03 01:10:04,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:04,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 50 states and 59 transitions. [2018-12-03 01:10:04,290 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 59 transitions. [2018-12-03 01:10:04,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-03 01:10:04,291 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:04,350 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-03 01:10:04,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:04,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 50 states and 58 transitions. [2018-12-03 01:10:04,598 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 58 transitions. [2018-12-03 01:10:04,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-03 01:10:04,599 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:04,729 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-03 01:10:05,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:05,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 53 states and 62 transitions. [2018-12-03 01:10:05,514 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 62 transitions. [2018-12-03 01:10:05,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-03 01:10:05,514 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:05,576 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-03 01:10:05,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:05,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 54 states and 64 transitions. [2018-12-03 01:10:05,689 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2018-12-03 01:10:05,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-03 01:10:05,689 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:05,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:05,919 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-03 01:10:08,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:08,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 57 states and 71 transitions. [2018-12-03 01:10:08,057 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2018-12-03 01:10:08,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-03 01:10:08,057 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:08,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:08,099 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-12-03 01:10:08,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:08,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 59 states and 74 transitions. [2018-12-03 01:10:08,629 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2018-12-03 01:10:08,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-03 01:10:08,629 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:08,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:08,704 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-12-03 01:10:09,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:09,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 60 states and 75 transitions. [2018-12-03 01:10:09,288 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2018-12-03 01:10:09,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-03 01:10:09,289 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:09,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:09,508 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-12-03 01:10:13,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:13,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2018-12-03 01:10:13,094 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2018-12-03 01:10:13,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-03 01:10:13,094 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:13,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:13,160 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-03 01:10:13,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:13,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 66 states and 89 transitions. [2018-12-03 01:10:13,669 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 89 transitions. [2018-12-03 01:10:13,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-03 01:10:13,669 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:13,726 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-03 01:10:14,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:14,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 67 states and 91 transitions. [2018-12-03 01:10:14,098 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 91 transitions. [2018-12-03 01:10:14,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-03 01:10:14,099 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:14,134 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2018-12-03 01:10:14,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:14,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 69 states and 93 transitions. [2018-12-03 01:10:14,533 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2018-12-03 01:10:14,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-03 01:10:14,533 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:14,592 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-03 01:10:14,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:14,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 69 states and 92 transitions. [2018-12-03 01:10:14,813 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 92 transitions. [2018-12-03 01:10:14,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-03 01:10:14,813 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:14,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:15,604 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-03 01:10:16,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:16,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 70 states and 92 transitions. [2018-12-03 01:10:16,753 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2018-12-03 01:10:16,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-03 01:10:16,753 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:16,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:16,823 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-03 01:10:17,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:17,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 73 states and 101 transitions. [2018-12-03 01:10:17,352 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2018-12-03 01:10:17,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-03 01:10:17,352 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:17,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:17,381 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-12-03 01:10:17,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:17,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 75 states and 103 transitions. [2018-12-03 01:10:17,904 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2018-12-03 01:10:17,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-03 01:10:17,904 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:17,948 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-03 01:10:18,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:18,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 76 states and 104 transitions. [2018-12-03 01:10:18,308 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 104 transitions. [2018-12-03 01:10:18,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-03 01:10:18,308 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:18,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:18,349 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-03 01:10:18,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:18,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 76 states and 103 transitions. [2018-12-03 01:10:18,597 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 103 transitions. [2018-12-03 01:10:18,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-03 01:10:18,597 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:18,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:18,741 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-03 01:10:19,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:19,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 77 states and 103 transitions. [2018-12-03 01:10:19,160 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 103 transitions. [2018-12-03 01:10:19,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-03 01:10:19,160 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:19,273 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-03 01:10:19,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:19,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 80 states and 112 transitions. [2018-12-03 01:10:19,876 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 112 transitions. [2018-12-03 01:10:19,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-03 01:10:19,877 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:19,927 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-12-03 01:10:20,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:20,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 81 states and 114 transitions. [2018-12-03 01:10:20,468 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 114 transitions. [2018-12-03 01:10:20,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-03 01:10:20,469 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:20,517 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-03 01:10:21,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:21,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 83 states and 116 transitions. [2018-12-03 01:10:21,004 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 116 transitions. [2018-12-03 01:10:21,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-03 01:10:21,004 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:21,051 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-12-03 01:10:21,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:21,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 83 states and 115 transitions. [2018-12-03 01:10:21,304 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 115 transitions. [2018-12-03 01:10:21,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-03 01:10:21,304 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:21,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:21,318 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-12-03 01:10:21,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:21,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 84 states and 115 transitions. [2018-12-03 01:10:21,631 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 115 transitions. [2018-12-03 01:10:21,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-03 01:10:21,631 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:21,705 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-03 01:10:22,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:22,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 87 states and 124 transitions. [2018-12-03 01:10:22,862 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 124 transitions. [2018-12-03 01:10:22,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-03 01:10:22,863 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:22,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:22,886 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-12-03 01:10:23,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:23,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 89 states and 126 transitions. [2018-12-03 01:10:23,491 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2018-12-03 01:10:23,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-03 01:10:23,491 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:23,542 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-03 01:10:23,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:23,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 90 states and 127 transitions. [2018-12-03 01:10:23,938 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 127 transitions. [2018-12-03 01:10:23,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-03 01:10:23,939 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:23,981 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-03 01:10:24,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:24,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 90 states and 126 transitions. [2018-12-03 01:10:24,481 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 126 transitions. [2018-12-03 01:10:24,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-03 01:10:24,482 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:24,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:24,671 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-03 01:10:24,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:24,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 91 states and 126 transitions. [2018-12-03 01:10:24,992 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 126 transitions. [2018-12-03 01:10:24,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-03 01:10:24,993 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:25,070 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-03 01:10:25,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:25,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 94 states and 135 transitions. [2018-12-03 01:10:25,724 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 135 transitions. [2018-12-03 01:10:25,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-03 01:10:25,724 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:25,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:25,778 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-03 01:10:26,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:26,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 95 states and 137 transitions. [2018-12-03 01:10:26,295 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 137 transitions. [2018-12-03 01:10:26,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-03 01:10:26,295 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:26,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:26,318 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-12-03 01:10:26,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:26,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 97 states and 139 transitions. [2018-12-03 01:10:26,819 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 139 transitions. [2018-12-03 01:10:26,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-03 01:10:26,819 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:26,860 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-03 01:10:27,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:27,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 97 states and 138 transitions. [2018-12-03 01:10:27,135 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 138 transitions. [2018-12-03 01:10:27,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-03 01:10:27,135 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:27,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:27,275 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-03 01:10:27,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:27,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 98 states and 138 transitions. [2018-12-03 01:10:27,642 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 138 transitions. [2018-12-03 01:10:27,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-03 01:10:27,643 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:27,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:27,733 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-03 01:10:28,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:28,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 101 states and 147 transitions. [2018-12-03 01:10:28,433 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 147 transitions. [2018-12-03 01:10:28,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-03 01:10:28,433 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:28,475 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-12-03 01:10:29,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:29,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 102 states and 149 transitions. [2018-12-03 01:10:29,005 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 149 transitions. [2018-12-03 01:10:29,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-03 01:10:29,005 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:29,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:29,049 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-12-03 01:10:29,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:29,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 104 states and 151 transitions. [2018-12-03 01:10:29,584 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 151 transitions. [2018-12-03 01:10:29,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-03 01:10:29,584 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:29,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:29,626 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-12-03 01:10:29,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:29,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 104 states and 150 transitions. [2018-12-03 01:10:29,910 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 150 transitions. [2018-12-03 01:10:29,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-03 01:10:29,911 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:30,977 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-03 01:10:32,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:32,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 105 states and 150 transitions. [2018-12-03 01:10:32,006 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 150 transitions. [2018-12-03 01:10:32,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-03 01:10:32,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:32,098 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-03 01:10:32,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:32,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 108 states and 154 transitions. [2018-12-03 01:10:32,805 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 154 transitions. [2018-12-03 01:10:32,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-03 01:10:32,805 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:32,855 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-03 01:10:33,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:33,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 109 states and 156 transitions. [2018-12-03 01:10:33,406 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 156 transitions. [2018-12-03 01:10:33,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-03 01:10:33,406 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:33,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:33,440 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2018-12-03 01:10:34,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:34,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 111 states and 158 transitions. [2018-12-03 01:10:34,022 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 158 transitions. [2018-12-03 01:10:34,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-03 01:10:34,022 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:34,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:34,065 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-03 01:10:34,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:34,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 110 states and 156 transitions. [2018-12-03 01:10:34,707 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 156 transitions. [2018-12-03 01:10:34,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-03 01:10:34,707 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:10:34,746 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-03 01:10:34,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 01:10:34,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 59 states and 58 transitions. [2018-12-03 01:10:34,988 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 58 transitions. [2018-12-03 01:10:34,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-03 01:10:34,988 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 01:10:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 01:10:35,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 01:10:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 01:10:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 01:10:35,491 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 63 iterations. [2018-12-03 01:10:35,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:10:35 ImpRootNode [2018-12-03 01:10:35,533 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-03 01:10:35,534 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 01:10:35,534 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 01:10:35,534 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 01:10:35,534 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:09:59" (3/4) ... [2018-12-03 01:10:35,535 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-03 01:10:35,586 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7d347927-967b-4f5e-8a74-b43b50018df5/bin-2019/ukojak/witness.graphml [2018-12-03 01:10:35,586 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 01:10:35,587 INFO L168 Benchmark]: Toolchain (without parser) took 36851.95 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 535.3 MB). Free memory was 962.4 MB in the beginning and 796.6 MB in the end (delta: 165.8 MB). Peak memory consumption was 701.1 MB. Max. memory is 11.5 GB. [2018-12-03 01:10:35,588 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 01:10:35,588 INFO L168 Benchmark]: CACSL2BoogieTranslator took 129.42 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-03 01:10:35,588 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.31 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 946.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-03 01:10:35,588 INFO L168 Benchmark]: Boogie Preprocessor took 45.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -144.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-03 01:10:35,589 INFO L168 Benchmark]: RCFGBuilder took 213.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2018-12-03 01:10:35,589 INFO L168 Benchmark]: CodeCheck took 36387.24 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 432.0 MB). Free memory was 1.1 GB in the beginning and 796.6 MB in the end (delta: 268.1 MB). Peak memory consumption was 700.1 MB. Max. memory is 11.5 GB. [2018-12-03 01:10:35,589 INFO L168 Benchmark]: Witness Printer took 52.65 ms. Allocated memory is still 1.6 GB. Free memory is still 796.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 01:10:35,591 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, 28 locations, 9 error locations. UNSAFE Result, 36.3s OverallTime, 63 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 1637376912 SDslu, 0 SDs, 0 SdLazy, 302285660 SolverSat, 1125172812 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13100 GetRequests, 11871 SyntacticMatches, 761 SemanticMatches, 468 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121717 ImplicationChecksByTransitivity, 33.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 2071 NumberOfCodeBlocks, 2071 NumberOfCodeBlocksAsserted, 63 NumberOfCheckSat, 1955 ConstructedInterpolants, 0 QuantifiedInterpolants, 370897 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 62 InterpolantComputations, 40 PerfectInterpolantSequences, 6684/7491 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 26]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L1] int array[10]; [L5] int i = 0; VAL [array={14:0}] [L5] COND TRUE i < 10 VAL [array={14:0}] [L6] array[i] = i [L5] ++i VAL [array={14:0}] [L5] COND TRUE i < 10 VAL [array={14:0}] [L6] array[i] = i [L5] ++i VAL [array={14:0}] [L5] COND TRUE i < 10 VAL [array={14:0}] [L6] array[i] = i [L5] ++i VAL [array={14:0}] [L5] COND TRUE i < 10 VAL [array={14:0}] [L6] array[i] = i [L5] ++i VAL [array={14:0}] [L5] COND TRUE i < 10 VAL [array={14:0}] [L6] array[i] = i [L5] ++i VAL [array={14:0}] [L5] COND TRUE i < 10 VAL [array={14:0}] [L6] array[i] = i [L5] ++i VAL [array={14:0}] [L5] COND TRUE i < 10 VAL [array={14:0}] [L6] array[i] = i [L5] ++i VAL [array={14:0}] [L5] COND TRUE i < 10 VAL [array={14:0}] [L6] array[i] = i [L5] ++i VAL [array={14:0}] [L5] COND TRUE i < 10 VAL [array={14:0}] [L6] array[i] = i [L5] ++i VAL [array={14:0}] [L5] COND TRUE i < 10 VAL [array={14:0}] [L6] array[i] = i [L5] ++i VAL [array={14:0}] [L5] COND FALSE !(i < 10) [L9] return array; [L13] int* numbers = getNumbers(); [L15] int numbers2[10]; [L17] int i = 0; VAL [array={14:0}] [L17] COND TRUE i < 10 VAL [array={14:0}] [L18] EXPR numbers[i] VAL [array={14:0}] [L18] numbers2[i] = numbers[i] [L17] ++i VAL [array={14:0}] [L17] COND TRUE i < 10 VAL [array={14:0}] [L18] EXPR numbers[i] VAL [array={14:0}] [L18] numbers2[i] = numbers[i] [L17] ++i VAL [array={14:0}] [L17] COND TRUE i < 10 VAL [array={14:0}] [L18] EXPR numbers[i] VAL [array={14:0}] [L18] numbers2[i] = numbers[i] [L17] ++i VAL [array={14:0}] [L17] COND TRUE i < 10 VAL [array={14:0}] [L18] EXPR numbers[i] VAL [array={14:0}] [L18] numbers2[i] = numbers[i] [L17] ++i VAL [array={14:0}] [L17] COND TRUE i < 10 VAL [array={14:0}] [L18] EXPR numbers[i] VAL [array={14:0}] [L18] numbers2[i] = numbers[i] [L17] ++i VAL [array={14:0}] [L17] COND TRUE i < 10 VAL [array={14:0}] [L18] EXPR numbers[i] VAL [array={14:0}] [L18] numbers2[i] = numbers[i] [L17] ++i VAL [array={14:0}] [L17] COND TRUE i < 10 VAL [array={14:0}] [L18] EXPR numbers[i] VAL [array={14:0}] [L18] numbers2[i] = numbers[i] [L17] ++i VAL [array={14:0}] [L17] COND TRUE i < 10 VAL [array={14:0}] [L18] EXPR numbers[i] VAL [array={14:0}] [L18] numbers2[i] = numbers[i] [L17] ++i VAL [array={14:0}] [L17] COND TRUE i < 10 VAL [array={14:0}] [L18] EXPR numbers[i] VAL [array={14:0}] [L18] numbers2[i] = numbers[i] [L17] ++i VAL [array={14:0}] [L17] COND TRUE i < 10 VAL [array={14:0}] [L18] EXPR numbers[i] VAL [array={14:0}] [L18] numbers2[i] = numbers[i] [L17] ++i VAL [array={14:0}] [L17] COND FALSE !(i < 10) [L21] return numbers2; [L21] return numbers2; [L25] int *numbers = getNumbers2(); [L26] numbers[0] = 100 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 129.42 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.31 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 946.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -144.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 213.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * CodeCheck took 36387.24 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 432.0 MB). Free memory was 1.1 GB in the beginning and 796.6 MB in the end (delta: 268.1 MB). Peak memory consumption was 700.1 MB. Max. memory is 11.5 GB. * Witness Printer took 52.65 ms. Allocated memory is still 1.6 GB. Free memory is still 796.6 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...