./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_60e2267f-2954-4efd-b2f9-808aaceb558d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_60e2267f-2954-4efd-b2f9-808aaceb558d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_60e2267f-2954-4efd-b2f9-808aaceb558d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_60e2267f-2954-4efd-b2f9-808aaceb558d/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_60e2267f-2954-4efd-b2f9-808aaceb558d/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_60e2267f-2954-4efd-b2f9-808aaceb558d/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 [2018-12-09 09:52:29,062 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 09:52:29,063 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 09:52:29,069 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 09:52:29,069 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 09:52:29,070 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 09:52:29,070 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 09:52:29,071 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 09:52:29,072 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 09:52:29,072 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 09:52:29,073 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 09:52:29,073 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 09:52:29,073 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 09:52:29,074 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 09:52:29,074 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 09:52:29,075 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 09:52:29,075 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 09:52:29,076 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 09:52:29,077 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 09:52:29,078 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 09:52:29,079 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 09:52:29,079 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 09:52:29,080 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 09:52:29,081 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 09:52:29,081 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 09:52:29,081 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 09:52:29,082 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 09:52:29,082 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 09:52:29,083 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 09:52:29,083 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 09:52:29,083 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 09:52:29,084 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 09:52:29,084 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 09:52:29,084 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 09:52:29,085 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 09:52:29,085 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 09:52:29,085 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_60e2267f-2954-4efd-b2f9-808aaceb558d/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-09 09:52:29,092 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 09:52:29,093 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 09:52:29,093 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 09:52:29,093 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 09:52:29,094 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 09:52:29,094 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 09:52:29,094 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 09:52:29,094 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 09:52:29,094 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 09:52:29,094 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 09:52:29,094 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-09 09:52:29,094 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-09 09:52:29,094 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-09 09:52:29,094 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 09:52:29,095 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 09:52:29,095 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 09:52:29,095 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 09:52:29,095 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 09:52:29,095 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 09:52:29,095 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 09:52:29,095 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 09:52:29,095 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 09:52:29,095 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 09:52:29,095 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 09:52:29,095 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 09:52:29,096 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_60e2267f-2954-4efd-b2f9-808aaceb558d/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 [2018-12-09 09:52:29,112 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 09:52:29,119 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 09:52:29,121 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 09:52:29,122 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 09:52:29,122 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 09:52:29,122 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_60e2267f-2954-4efd-b2f9-808aaceb558d/bin-2019/ukojak/../../sv-benchmarks/c/memsafety-ext3/getNumbers2_false-valid-deref.c [2018-12-09 09:52:29,157 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_60e2267f-2954-4efd-b2f9-808aaceb558d/bin-2019/ukojak/data/c578a7c92/be9218355c77429caa234e7b6cdb9691/FLAG1ddfbc3e1 [2018-12-09 09:52:29,575 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 09:52:29,575 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_60e2267f-2954-4efd-b2f9-808aaceb558d/sv-benchmarks/c/memsafety-ext3/getNumbers2_false-valid-deref.c [2018-12-09 09:52:29,579 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_60e2267f-2954-4efd-b2f9-808aaceb558d/bin-2019/ukojak/data/c578a7c92/be9218355c77429caa234e7b6cdb9691/FLAG1ddfbc3e1 [2018-12-09 09:52:29,586 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_60e2267f-2954-4efd-b2f9-808aaceb558d/bin-2019/ukojak/data/c578a7c92/be9218355c77429caa234e7b6cdb9691 [2018-12-09 09:52:29,588 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 09:52:29,589 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 09:52:29,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 09:52:29,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 09:52:29,591 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 09:52:29,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:52:29" (1/1) ... [2018-12-09 09:52:29,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14c56171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:52:29, skipping insertion in model container [2018-12-09 09:52:29,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:52:29" (1/1) ... [2018-12-09 09:52:29,597 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 09:52:29,606 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 09:52:29,697 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:52:29,704 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 09:52:29,714 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:52:29,725 INFO L195 MainTranslator]: Completed translation [2018-12-09 09:52:29,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:52:29 WrapperNode [2018-12-09 09:52:29,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 09:52:29,726 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 09:52:29,726 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 09:52:29,726 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 09:52:29,731 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:52:29" (1/1) ... [2018-12-09 09:52:29,737 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:52:29" (1/1) ... [2018-12-09 09:52:29,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 09:52:29,748 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 09:52:29,748 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 09:52:29,748 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 09:52:29,782 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:52:29" (1/1) ... [2018-12-09 09:52:29,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:52:29" (1/1) ... [2018-12-09 09:52:29,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:52:29" (1/1) ... [2018-12-09 09:52:29,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:52:29" (1/1) ... [2018-12-09 09:52:29,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:52:29" (1/1) ... [2018-12-09 09:52:29,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:52:29" (1/1) ... [2018-12-09 09:52:29,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:52:29" (1/1) ... [2018-12-09 09:52:29,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 09:52:29,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 09:52:29,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 09:52:29,795 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 09:52:29,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:52:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_60e2267f-2954-4efd-b2f9-808aaceb558d/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 09:52:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 09:52:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 09:52:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 09:52:29,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 09:52:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 09:52:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 09:52:29,987 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 09:52:29,987 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-09 09:52:29,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:52:29 BoogieIcfgContainer [2018-12-09 09:52:29,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 09:52:29,988 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 09:52:29,988 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 09:52:29,995 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 09:52:29,995 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:52:29" (1/1) ... [2018-12-09 09:52:30,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:52:30,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:30,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2018-12-09 09:52:30,025 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2018-12-09 09:52:30,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-09 09:52:30,026 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:30,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:30,111 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 09:52:30,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:30,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-12-09 09:52:30,143 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-12-09 09:52:30,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-09 09:52:30,144 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:30,174 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 09:52:30,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:30,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2018-12-09 09:52:30,253 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-12-09 09:52:30,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 09:52:30,254 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:30,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:30,310 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:52:30,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:30,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2018-12-09 09:52:30,434 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-12-09 09:52:30,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-09 09:52:30,434 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:30,521 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-09 09:52:30,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:30,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2018-12-09 09:52:30,784 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2018-12-09 09:52:30,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 09:52:30,785 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:30,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:30,808 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 09:52:30,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:30,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2018-12-09 09:52:30,828 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2018-12-09 09:52:30,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 09:52:30,828 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:30,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:30,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:52:31,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:31,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2018-12-09 09:52:31,007 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2018-12-09 09:52:31,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 09:52:31,008 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:31,039 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:52:31,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:31,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 24 states and 26 transitions. [2018-12-09 09:52:31,196 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2018-12-09 09:52:31,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 09:52:31,197 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:31,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:31,233 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:52:31,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:31,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 26 states and 28 transitions. [2018-12-09 09:52:31,421 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 28 transitions. [2018-12-09 09:52:31,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 09:52:31,421 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:31,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:31,462 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:52:31,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:31,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 28 states and 30 transitions. [2018-12-09 09:52:31,668 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2018-12-09 09:52:31,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 09:52:31,669 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:31,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:31,716 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:52:31,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:31,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 30 states and 32 transitions. [2018-12-09 09:52:31,911 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2018-12-09 09:52:31,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 09:52:31,912 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:31,955 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:52:32,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:32,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 32 states and 34 transitions. [2018-12-09 09:52:32,202 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2018-12-09 09:52:32,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 09:52:32,202 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:32,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:32,247 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:52:32,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:32,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 34 states and 36 transitions. [2018-12-09 09:52:32,488 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2018-12-09 09:52:32,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 09:52:32,488 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:32,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:32,533 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:52:32,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:32,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 36 states and 37 transitions. [2018-12-09 09:52:32,754 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2018-12-09 09:52:32,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 09:52:32,754 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:32,930 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-09 09:52:33,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:33,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 38 states and 41 transitions. [2018-12-09 09:52:33,086 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2018-12-09 09:52:33,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 09:52:33,089 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:33,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:33,157 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-09 09:52:33,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:33,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 40 states and 43 transitions. [2018-12-09 09:52:33,339 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2018-12-09 09:52:33,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 09:52:33,339 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:33,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:33,382 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-09 09:52:33,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:33,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 41 states and 45 transitions. [2018-12-09 09:52:33,568 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2018-12-09 09:52:33,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 09:52:33,568 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:33,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:33,625 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-09 09:52:33,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:33,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 44 states and 49 transitions. [2018-12-09 09:52:33,985 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2018-12-09 09:52:33,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 09:52:33,985 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:34,029 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-09 09:52:34,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:34,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 45 states and 51 transitions. [2018-12-09 09:52:34,129 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2018-12-09 09:52:34,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 09:52:34,129 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:34,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:34,234 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-09 09:52:34,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:34,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 48 states and 57 transitions. [2018-12-09 09:52:34,819 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2018-12-09 09:52:34,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 09:52:34,820 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:34,872 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-09 09:52:35,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:35,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 50 states and 59 transitions. [2018-12-09 09:52:35,126 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 59 transitions. [2018-12-09 09:52:35,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 09:52:35,126 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:35,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:35,170 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-09 09:52:35,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:35,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 50 states and 58 transitions. [2018-12-09 09:52:35,363 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 58 transitions. [2018-12-09 09:52:35,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-09 09:52:35,363 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:35,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:35,441 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-09 09:52:36,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:36,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 53 states and 62 transitions. [2018-12-09 09:52:36,088 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 62 transitions. [2018-12-09 09:52:36,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 09:52:36,088 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:36,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:36,148 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-09 09:52:36,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:36,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 54 states and 64 transitions. [2018-12-09 09:52:36,256 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 64 transitions. [2018-12-09 09:52:36,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 09:52:36,256 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:36,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:36,501 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-09 09:52:37,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:37,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 57 states and 71 transitions. [2018-12-09 09:52:37,317 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2018-12-09 09:52:37,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 09:52:37,318 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:37,369 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-12-09 09:52:37,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:37,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 59 states and 74 transitions. [2018-12-09 09:52:37,844 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2018-12-09 09:52:37,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 09:52:37,844 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:37,887 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-12-09 09:52:38,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:38,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 60 states and 75 transitions. [2018-12-09 09:52:38,375 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2018-12-09 09:52:38,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 09:52:38,375 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:38,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:38,591 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2018-12-09 09:52:39,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:39,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2018-12-09 09:52:39,549 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2018-12-09 09:52:39,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 09:52:39,549 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:39,611 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-09 09:52:40,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:40,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 66 states and 89 transitions. [2018-12-09 09:52:40,101 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 89 transitions. [2018-12-09 09:52:40,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 09:52:40,101 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:40,134 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2018-12-09 09:52:40,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:40,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 68 states and 91 transitions. [2018-12-09 09:52:40,598 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 91 transitions. [2018-12-09 09:52:40,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 09:52:40,598 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:40,639 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-09 09:52:40,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:40,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 69 states and 92 transitions. [2018-12-09 09:52:40,949 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 92 transitions. [2018-12-09 09:52:40,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-09 09:52:40,949 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:41,005 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-09 09:52:41,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:41,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 69 states and 91 transitions. [2018-12-09 09:52:41,221 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 91 transitions. [2018-12-09 09:52:41,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-09 09:52:41,221 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:41,861 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-09 09:52:43,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:43,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 70 states and 91 transitions. [2018-12-09 09:52:43,021 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 91 transitions. [2018-12-09 09:52:43,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-09 09:52:43,022 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:43,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:43,089 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-09 09:52:43,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:43,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 73 states and 100 transitions. [2018-12-09 09:52:43,615 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 100 transitions. [2018-12-09 09:52:43,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-09 09:52:43,616 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:43,641 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-12-09 09:52:44,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:44,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 75 states and 102 transitions. [2018-12-09 09:52:44,125 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 102 transitions. [2018-12-09 09:52:44,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-09 09:52:44,125 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:44,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:44,172 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-09 09:52:44,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:44,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 76 states and 103 transitions. [2018-12-09 09:52:44,535 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 103 transitions. [2018-12-09 09:52:44,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 09:52:44,535 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:44,578 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-09 09:52:44,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:44,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 76 states and 102 transitions. [2018-12-09 09:52:44,819 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2018-12-09 09:52:44,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 09:52:44,819 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:44,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:44,965 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-09 09:52:45,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:45,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 77 states and 102 transitions. [2018-12-09 09:52:45,480 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 102 transitions. [2018-12-09 09:52:45,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 09:52:45,481 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:45,566 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-09 09:52:46,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:46,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 80 states and 111 transitions. [2018-12-09 09:52:46,143 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 111 transitions. [2018-12-09 09:52:46,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 09:52:46,144 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:46,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:46,194 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-12-09 09:52:46,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:46,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 81 states and 113 transitions. [2018-12-09 09:52:46,654 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 113 transitions. [2018-12-09 09:52:46,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-09 09:52:46,655 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:46,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:46,678 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-09 09:52:47,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:47,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 83 states and 115 transitions. [2018-12-09 09:52:47,144 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 115 transitions. [2018-12-09 09:52:47,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 09:52:47,145 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:47,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:47,187 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-12-09 09:52:47,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:47,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 83 states and 114 transitions. [2018-12-09 09:52:47,430 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 114 transitions. [2018-12-09 09:52:47,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-09 09:52:47,430 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:47,445 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-12-09 09:52:47,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:47,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 84 states and 114 transitions. [2018-12-09 09:52:47,770 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 114 transitions. [2018-12-09 09:52:47,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 09:52:47,770 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:47,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:47,846 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-09 09:52:48,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:48,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 87 states and 123 transitions. [2018-12-09 09:52:48,448 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 123 transitions. [2018-12-09 09:52:48,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 09:52:48,448 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:48,485 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-12-09 09:52:49,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:49,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 89 states and 125 transitions. [2018-12-09 09:52:49,068 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 125 transitions. [2018-12-09 09:52:49,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-09 09:52:49,068 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:49,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:49,106 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-09 09:52:50,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:50,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 90 states and 126 transitions. [2018-12-09 09:52:50,080 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 126 transitions. [2018-12-09 09:52:50,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 09:52:50,081 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:50,135 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-09 09:52:50,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:50,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 90 states and 125 transitions. [2018-12-09 09:52:50,394 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 125 transitions. [2018-12-09 09:52:50,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-09 09:52:50,394 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:50,529 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-09 09:52:50,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:50,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 91 states and 125 transitions. [2018-12-09 09:52:50,856 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 125 transitions. [2018-12-09 09:52:50,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 09:52:50,856 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:50,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:50,939 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-09 09:52:51,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:51,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 94 states and 134 transitions. [2018-12-09 09:52:51,583 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 134 transitions. [2018-12-09 09:52:51,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 09:52:51,584 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:51,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:51,615 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2018-12-09 09:52:52,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:52,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 96 states and 136 transitions. [2018-12-09 09:52:52,212 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 136 transitions. [2018-12-09 09:52:52,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 09:52:52,212 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:52,250 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-09 09:52:53,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:53,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 97 states and 137 transitions. [2018-12-09 09:52:53,298 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 137 transitions. [2018-12-09 09:52:53,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 09:52:53,298 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:53,368 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-09 09:52:53,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:53,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 97 states and 136 transitions. [2018-12-09 09:52:53,672 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 136 transitions. [2018-12-09 09:52:53,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 09:52:53,672 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:53,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:53,816 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-09 09:52:54,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:54,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 98 states and 136 transitions. [2018-12-09 09:52:54,299 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 136 transitions. [2018-12-09 09:52:54,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 09:52:54,300 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:54,468 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-09 09:52:55,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:55,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 101 states and 145 transitions. [2018-12-09 09:52:55,688 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 145 transitions. [2018-12-09 09:52:55,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 09:52:55,688 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:55,727 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-12-09 09:52:56,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:56,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 102 states and 147 transitions. [2018-12-09 09:52:56,258 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 147 transitions. [2018-12-09 09:52:56,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 09:52:56,258 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:56,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:56,286 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-12-09 09:52:56,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:56,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 104 states and 149 transitions. [2018-12-09 09:52:56,894 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 149 transitions. [2018-12-09 09:52:56,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 09:52:56,894 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:56,935 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-12-09 09:52:57,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:57,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 104 states and 148 transitions. [2018-12-09 09:52:57,218 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 148 transitions. [2018-12-09 09:52:57,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 09:52:57,218 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:58,309 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-09 09:52:59,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:52:59,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 105 states and 148 transitions. [2018-12-09 09:52:59,348 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 148 transitions. [2018-12-09 09:52:59,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 09:52:59,349 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:52:59,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:52:59,442 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-09 09:53:00,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:53:00,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 108 states and 152 transitions. [2018-12-09 09:53:00,156 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 152 transitions. [2018-12-09 09:53:00,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 09:53:00,156 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:53:00,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:53:00,186 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2018-12-09 09:53:01,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:53:01,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 110 states and 154 transitions. [2018-12-09 09:53:01,033 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 154 transitions. [2018-12-09 09:53:01,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 09:53:01,033 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:53:01,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:53:01,077 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-09 09:53:02,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:53:02,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 111 states and 155 transitions. [2018-12-09 09:53:02,276 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 155 transitions. [2018-12-09 09:53:02,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 09:53:02,277 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:53:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:53:02,358 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-09 09:53:03,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:53:03,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 110 states and 153 transitions. [2018-12-09 09:53:03,106 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 153 transitions. [2018-12-09 09:53:03,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 09:53:03,106 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:53:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:53:03,130 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-09 09:53:03,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 09:53:03,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 59 states and 58 transitions. [2018-12-09 09:53:03,388 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 58 transitions. [2018-12-09 09:53:03,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-09 09:53:03,389 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 09:53:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:53:03,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:53:03,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:53:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:53:03,859 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 63 iterations. [2018-12-09 09:53:03,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 09:53:03 ImpRootNode [2018-12-09 09:53:03,894 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 09:53:03,894 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 09:53:03,894 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 09:53:03,894 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 09:53:03,894 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:52:29" (3/4) ... [2018-12-09 09:53:03,896 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 09:53:03,947 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_60e2267f-2954-4efd-b2f9-808aaceb558d/bin-2019/ukojak/witness.graphml [2018-12-09 09:53:03,947 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 09:53:03,948 INFO L168 Benchmark]: Toolchain (without parser) took 34359.56 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 602.9 MB). Free memory was 962.4 MB in the beginning and 908.8 MB in the end (delta: 53.7 MB). Peak memory consumption was 656.6 MB. Max. memory is 11.5 GB. [2018-12-09 09:53:03,949 INFO L168 Benchmark]: CDTParser took 0.10 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. [2018-12-09 09:53:03,949 INFO L168 Benchmark]: CACSL2BoogieTranslator took 136.09 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 950.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-09 09:53:03,949 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.53 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 945.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 09:53:03,950 INFO L168 Benchmark]: Boogie Preprocessor took 45.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -183.1 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-09 09:53:03,950 INFO L168 Benchmark]: RCFGBuilder took 193.13 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: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-09 09:53:03,950 INFO L168 Benchmark]: CodeCheck took 33905.67 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 466.1 MB). Free memory was 1.1 GB in the beginning and 908.8 MB in the end (delta: 194.6 MB). Peak memory consumption was 660.7 MB. Max. memory is 11.5 GB. [2018-12-09 09:53:03,950 INFO L168 Benchmark]: Witness Printer took 53.72 ms. Allocated memory is still 1.6 GB. Free memory is still 908.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:53:03,952 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, 33.8s OverallTime, 63 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 1637401512 SDslu, 0 SDs, 0 SdLazy, 302261060 SolverSat, 1125156412 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13072 GetRequests, 11845 SyntacticMatches, 759 SemanticMatches, 468 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121283 ImplicationChecksByTransitivity, 31.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.1s 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 0.10 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 136.09 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 950.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.53 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 945.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -183.1 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 193.13 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: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * CodeCheck took 33905.67 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 466.1 MB). Free memory was 1.1 GB in the beginning and 908.8 MB in the end (delta: 194.6 MB). Peak memory consumption was 660.7 MB. Max. memory is 11.5 GB. * Witness Printer took 53.72 ms. Allocated memory is still 1.6 GB. Free memory is still 908.8 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...