./Ultimate.py --spec ../../sv-benchmarks/c/MemSafety.prp --file ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ec82bd42-6c31-4d7e-bffc-61816b884527/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ec82bd42-6c31-4d7e-bffc-61816b884527/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ec82bd42-6c31-4d7e-bffc-61816b884527/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ec82bd42-6c31-4d7e-bffc-61816b884527/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ec82bd42-6c31-4d7e-bffc-61816b884527/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ec82bd42-6c31-4d7e-bffc-61816b884527/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 b9633ec6dc7e01a7231c1be5ed310faef61ba6b0 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ec82bd42-6c31-4d7e-bffc-61816b884527/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ec82bd42-6c31-4d7e-bffc-61816b884527/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ec82bd42-6c31-4d7e-bffc-61816b884527/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ec82bd42-6c31-4d7e-bffc-61816b884527/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ec82bd42-6c31-4d7e-bffc-61816b884527/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ec82bd42-6c31-4d7e-bffc-61816b884527/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 b9633ec6dc7e01a7231c1be5ed310faef61ba6b0 .................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: Indexed Sort BitVec undefined --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 08:44:42,180 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:44:42,181 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:44:42,187 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:44:42,188 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:44:42,188 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:44:42,189 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:44:42,190 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:44:42,192 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:44:42,192 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:44:42,193 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:44:42,193 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:44:42,194 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:44:42,195 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:44:42,196 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:44:42,196 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:44:42,197 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:44:42,198 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:44:42,199 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:44:42,200 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:44:42,202 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:44:42,203 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:44:42,204 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:44:42,204 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:44:42,204 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:44:42,206 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:44:42,206 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:44:42,207 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:44:42,207 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:44:42,208 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:44:42,209 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:44:42,209 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:44:42,209 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:44:42,209 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:44:42,210 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:44:42,210 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:44:42,211 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ec82bd42-6c31-4d7e-bffc-61816b884527/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-11-18 08:44:42,219 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:44:42,220 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:44:42,221 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:44:42,221 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:44:42,221 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:44:42,221 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:44:42,222 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 08:44:42,222 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:44:42,222 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:44:42,222 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:44:42,222 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-18 08:44:42,222 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-18 08:44:42,222 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-18 08:44:42,223 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 08:44:42,223 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:44:42,223 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:44:42,223 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 08:44:42,223 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 08:44:42,223 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:44:42,224 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 08:44:42,224 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 08:44:42,224 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:44:42,224 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 08:44:42,224 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 08:44:42,224 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 08:44:42,224 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_ec82bd42-6c31-4d7e-bffc-61816b884527/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 -> b9633ec6dc7e01a7231c1be5ed310faef61ba6b0 [2018-11-18 08:44:42,249 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:44:42,257 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:44:42,259 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:44:42,260 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:44:42,260 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:44:42,261 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ec82bd42-6c31-4d7e-bffc-61816b884527/bin-2019/ukojak/../../sv-benchmarks/c/forester-heap/dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-11-18 08:44:42,296 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ec82bd42-6c31-4d7e-bffc-61816b884527/bin-2019/ukojak/data/57ab9b215/8f6e030516a84d2ba18a0d946a046228/FLAGdbaa5167d [2018-11-18 08:44:42,717 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:44:42,718 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ec82bd42-6c31-4d7e-bffc-61816b884527/sv-benchmarks/c/forester-heap/dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-11-18 08:44:42,725 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ec82bd42-6c31-4d7e-bffc-61816b884527/bin-2019/ukojak/data/57ab9b215/8f6e030516a84d2ba18a0d946a046228/FLAGdbaa5167d [2018-11-18 08:44:42,735 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ec82bd42-6c31-4d7e-bffc-61816b884527/bin-2019/ukojak/data/57ab9b215/8f6e030516a84d2ba18a0d946a046228 [2018-11-18 08:44:42,737 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:44:42,738 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 08:44:42,738 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:44:42,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:44:42,740 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:44:42,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:44:42" (1/1) ... [2018-11-18 08:44:42,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c2995dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:42, skipping insertion in model container [2018-11-18 08:44:42,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:44:42" (1/1) ... [2018-11-18 08:44:42,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:44:42,777 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:44:42,969 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:44:42,977 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:44:43,057 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:44:43,090 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:44:43,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:43 WrapperNode [2018-11-18 08:44:43,090 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:44:43,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 08:44:43,091 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 08:44:43,091 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 08:44:43,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:43" (1/1) ... [2018-11-18 08:44:43,110 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:43" (1/1) ... [2018-11-18 08:44:43,126 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 08:44:43,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:44:43,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:44:43,127 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:44:43,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:43" (1/1) ... [2018-11-18 08:44:43,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:43" (1/1) ... [2018-11-18 08:44:43,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:43" (1/1) ... [2018-11-18 08:44:43,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:43" (1/1) ... [2018-11-18 08:44:43,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:43" (1/1) ... [2018-11-18 08:44:43,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:43" (1/1) ... [2018-11-18 08:44:43,148 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:43" (1/1) ... [2018-11-18 08:44:43,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:44:43,151 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:44:43,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:44:43,151 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:44:43,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:44:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ec82bd42-6c31-4d7e-bffc-61816b884527/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 08:44:43,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 08:44:43,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 08:44:43,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 08:44:43,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 08:44:43,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 08:44:43,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 08:44:43,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:44:43,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:44:43,775 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:44:43,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:44:43 BoogieIcfgContainer [2018-11-18 08:44:43,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:44:43,776 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 08:44:43,776 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 08:44:43,782 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 08:44:43,782 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:44:43" (1/1) ... [2018-11-18 08:44:43,790 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:44:43,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:43,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 131 states and 153 transitions. [2018-11-18 08:44:43,814 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 153 transitions. [2018-11-18 08:44:43,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-11-18 08:44:43,816 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:43,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:43,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:43,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:43,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 130 states and 152 transitions. [2018-11-18 08:44:43,957 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 152 transitions. [2018-11-18 08:44:43,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-11-18 08:44:43,957 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:43,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:44,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:44,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 129 states and 151 transitions. [2018-11-18 08:44:44,060 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 151 transitions. [2018-11-18 08:44:44,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-18 08:44:44,060 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:44,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:44,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:44,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 128 states and 150 transitions. [2018-11-18 08:44:44,083 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 150 transitions. [2018-11-18 08:44:44,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-11-18 08:44:44,083 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:44,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:44,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:44,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:44,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 127 states and 149 transitions. [2018-11-18 08:44:44,107 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 149 transitions. [2018-11-18 08:44:44,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-18 08:44:44,107 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:44,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:44,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:44,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:44,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 126 states and 148 transitions. [2018-11-18 08:44:44,129 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 148 transitions. [2018-11-18 08:44:44,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-11-18 08:44:44,130 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:44,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:44,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:44,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:44,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 125 states and 147 transitions. [2018-11-18 08:44:44,175 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2018-11-18 08:44:44,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-18 08:44:44,176 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:44,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:44,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:44,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 124 states and 146 transitions. [2018-11-18 08:44:44,221 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 146 transitions. [2018-11-18 08:44:44,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-18 08:44:44,222 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:44,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:44,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:44,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:44,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 123 states and 145 transitions. [2018-11-18 08:44:44,334 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 145 transitions. [2018-11-18 08:44:44,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 08:44:44,334 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:44,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:44,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:44,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:44,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 122 states and 144 transitions. [2018-11-18 08:44:44,370 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 144 transitions. [2018-11-18 08:44:44,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 08:44:44,370 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:44,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:44,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:44,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 121 states and 143 transitions. [2018-11-18 08:44:44,412 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 143 transitions. [2018-11-18 08:44:44,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 08:44:44,412 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:44,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:44,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:44,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:44,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 120 states and 142 transitions. [2018-11-18 08:44:44,457 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 142 transitions. [2018-11-18 08:44:44,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 08:44:44,458 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:44,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:44,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:44,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 119 states and 141 transitions. [2018-11-18 08:44:44,492 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 141 transitions. [2018-11-18 08:44:44,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 08:44:44,492 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:44,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:44,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:44,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:44,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 122 states and 145 transitions. [2018-11-18 08:44:44,578 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 145 transitions. [2018-11-18 08:44:44,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 08:44:44,578 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:44,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:44,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:44,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 125 states and 151 transitions. [2018-11-18 08:44:44,774 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 151 transitions. [2018-11-18 08:44:44,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 08:44:44,775 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:44,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:44,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:44,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 124 states and 150 transitions. [2018-11-18 08:44:44,820 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 150 transitions. [2018-11-18 08:44:44,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 08:44:44,821 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:44,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:44,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:45,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:45,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 123 states and 149 transitions. [2018-11-18 08:44:45,102 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 149 transitions. [2018-11-18 08:44:45,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 08:44:45,102 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:45,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:45,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:45,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:45,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 125 states and 152 transitions. [2018-11-18 08:44:45,515 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 152 transitions. [2018-11-18 08:44:45,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 08:44:45,515 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:45,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:45,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:46,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:46,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 127 states and 155 transitions. [2018-11-18 08:44:46,159 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 155 transitions. [2018-11-18 08:44:46,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 08:44:46,160 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:46,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:46,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:46,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:46,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 128 states and 157 transitions. [2018-11-18 08:44:46,301 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 157 transitions. [2018-11-18 08:44:46,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 08:44:46,302 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:46,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:46,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:46,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 129 states and 158 transitions. [2018-11-18 08:44:46,467 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 158 transitions. [2018-11-18 08:44:46,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 08:44:46,467 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:46,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:46,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:46,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:46,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 129 states and 154 transitions. [2018-11-18 08:44:46,481 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 154 transitions. [2018-11-18 08:44:46,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 08:44:46,481 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:46,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:46,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:47,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:47,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 134 states and 162 transitions. [2018-11-18 08:44:47,301 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 162 transitions. [2018-11-18 08:44:47,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 08:44:47,302 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:47,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:47,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:47,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:47,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 136 states and 166 transitions. [2018-11-18 08:44:47,932 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 166 transitions. [2018-11-18 08:44:47,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 08:44:47,932 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:47,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:48,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:48,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 143 states and 177 transitions. [2018-11-18 08:44:48,103 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 177 transitions. [2018-11-18 08:44:48,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 08:44:48,103 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:48,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:48,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:48,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 150 states and 188 transitions. [2018-11-18 08:44:48,356 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 188 transitions. [2018-11-18 08:44:48,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 08:44:48,356 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:48,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:48,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:48,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 149 states and 187 transitions. [2018-11-18 08:44:48,378 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 187 transitions. [2018-11-18 08:44:48,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 08:44:48,378 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:48,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:48,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:48,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:48,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 151 states and 190 transitions. [2018-11-18 08:44:48,472 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 190 transitions. [2018-11-18 08:44:48,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 08:44:48,472 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:48,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:48,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:48,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 150 states and 189 transitions. [2018-11-18 08:44:48,513 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 189 transitions. [2018-11-18 08:44:48,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 08:44:48,514 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:48,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:48,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:48,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:48,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 151 states and 190 transitions. [2018-11-18 08:44:48,590 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 190 transitions. [2018-11-18 08:44:48,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 08:44:48,591 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:48,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:48,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:48,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:48,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 150 states and 189 transitions. [2018-11-18 08:44:48,621 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 189 transitions. [2018-11-18 08:44:48,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 08:44:48,622 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:48,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:49,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:49,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 151 states and 190 transitions. [2018-11-18 08:44:49,519 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 190 transitions. [2018-11-18 08:44:49,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 08:44:49,519 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:49,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:49,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:49,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:49,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 150 states and 187 transitions. [2018-11-18 08:44:49,541 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 187 transitions. [2018-11-18 08:44:49,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 08:44:49,542 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:49,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:49,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:49,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:49,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 149 states and 186 transitions. [2018-11-18 08:44:49,987 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 186 transitions. [2018-11-18 08:44:49,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 08:44:49,987 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:49,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:50,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:50,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:50,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 148 states and 185 transitions. [2018-11-18 08:44:50,023 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 185 transitions. [2018-11-18 08:44:50,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 08:44:50,024 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:50,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:50,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:50,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 147 states and 184 transitions. [2018-11-18 08:44:50,087 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 184 transitions. [2018-11-18 08:44:50,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 08:44:50,087 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:50,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:50,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:50,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:50,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 150 states and 188 transitions. [2018-11-18 08:44:50,112 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 188 transitions. [2018-11-18 08:44:50,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 08:44:50,113 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:50,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:50,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:50,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 153 states and 192 transitions. [2018-11-18 08:44:50,235 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 192 transitions. [2018-11-18 08:44:50,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 08:44:50,235 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:50,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:50,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:50,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 155 states and 195 transitions. [2018-11-18 08:44:50,677 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 195 transitions. [2018-11-18 08:44:50,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 08:44:50,677 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:50,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:50,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:51,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:51,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 157 states and 198 transitions. [2018-11-18 08:44:51,333 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 198 transitions. [2018-11-18 08:44:51,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 08:44:51,336 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:51,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:51,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:51,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 158 states and 200 transitions. [2018-11-18 08:44:51,584 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 200 transitions. [2018-11-18 08:44:51,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 08:44:51,585 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:51,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:51,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:51,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:51,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 159 states and 201 transitions. [2018-11-18 08:44:51,915 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 201 transitions. [2018-11-18 08:44:51,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 08:44:51,915 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:51,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:51,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:51,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:51,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 160 states and 202 transitions. [2018-11-18 08:44:51,956 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 202 transitions. [2018-11-18 08:44:51,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 08:44:51,956 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:52,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:52,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:52,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 166 states and 216 transitions. [2018-11-18 08:44:52,439 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 216 transitions. [2018-11-18 08:44:52,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 08:44:52,440 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:52,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:53,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:53,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 170 states and 223 transitions. [2018-11-18 08:44:53,216 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 223 transitions. [2018-11-18 08:44:53,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 08:44:53,216 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:53,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:53,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:53,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 170 states and 222 transitions. [2018-11-18 08:44:53,223 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 222 transitions. [2018-11-18 08:44:53,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 08:44:53,223 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:53,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:53,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:54,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:54,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 180 states and 240 transitions. [2018-11-18 08:44:54,998 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 240 transitions. [2018-11-18 08:44:54,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 08:44:54,998 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:55,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:55,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:55,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:55,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 179 states and 237 transitions. [2018-11-18 08:44:55,019 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 237 transitions. [2018-11-18 08:44:55,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 08:44:55,019 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:55,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:55,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:55,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:55,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 184 states and 243 transitions. [2018-11-18 08:44:55,381 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 243 transitions. [2018-11-18 08:44:55,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 08:44:55,381 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:55,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:57,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:57,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 188 states and 251 transitions. [2018-11-18 08:44:57,114 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 251 transitions. [2018-11-18 08:44:57,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 08:44:57,115 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:57,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:58,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:58,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 190 states and 254 transitions. [2018-11-18 08:44:58,546 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 254 transitions. [2018-11-18 08:44:58,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 08:44:58,546 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:58,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:58,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:58,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 189 states and 253 transitions. [2018-11-18 08:44:58,579 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 253 transitions. [2018-11-18 08:44:58,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 08:44:58,580 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:58,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:44:58,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:44:58,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 190 states and 254 transitions. [2018-11-18 08:44:58,839 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 254 transitions. [2018-11-18 08:44:58,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 08:44:58,839 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:44:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:44:59,255 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:45:02,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:02,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 205 states and 284 transitions. [2018-11-18 08:45:02,798 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 284 transitions. [2018-11-18 08:45:02,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 08:45:02,798 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:02,900 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:45:03,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:03,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 207 states and 286 transitions. [2018-11-18 08:45:03,159 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 286 transitions. [2018-11-18 08:45:03,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 08:45:03,159 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:03,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:03,176 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 08:45:05,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:05,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 221 states and 322 transitions. [2018-11-18 08:45:05,972 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 322 transitions. [2018-11-18 08:45:05,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 08:45:05,973 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:05,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:06,078 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:45:06,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:06,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 223 states and 325 transitions. [2018-11-18 08:45:06,428 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 325 transitions. [2018-11-18 08:45:06,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 08:45:06,429 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:06,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 08:45:10,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:10,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 237 states and 361 transitions. [2018-11-18 08:45:10,307 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 361 transitions. [2018-11-18 08:45:10,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 08:45:10,307 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:10,350 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 08:45:10,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:10,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 239 states and 363 transitions. [2018-11-18 08:45:10,606 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 363 transitions. [2018-11-18 08:45:10,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 08:45:10,607 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:10,617 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 08:45:10,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:10,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 241 states and 365 transitions. [2018-11-18 08:45:10,936 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 365 transitions. [2018-11-18 08:45:10,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 08:45:10,937 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:10,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:10,946 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 08:45:10,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:10,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 240 states and 364 transitions. [2018-11-18 08:45:10,953 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 364 transitions. [2018-11-18 08:45:10,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 08:45:10,954 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:11,263 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:45:11,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:11,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 242 states and 366 transitions. [2018-11-18 08:45:11,703 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 366 transitions. [2018-11-18 08:45:11,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 08:45:11,703 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:11,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 08:45:12,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:12,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 244 states and 368 transitions. [2018-11-18 08:45:12,150 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 368 transitions. [2018-11-18 08:45:12,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 08:45:12,151 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:12,161 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 08:45:12,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:12,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 246 states and 370 transitions. [2018-11-18 08:45:12,680 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 370 transitions. [2018-11-18 08:45:12,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 08:45:12,680 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:12,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 08:45:13,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:13,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 248 states and 373 transitions. [2018-11-18 08:45:13,117 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 373 transitions. [2018-11-18 08:45:13,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 08:45:13,117 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:13,127 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 08:45:13,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:13,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 250 states and 376 transitions. [2018-11-18 08:45:13,571 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 376 transitions. [2018-11-18 08:45:13,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 08:45:13,571 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:13,582 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 08:45:13,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:13,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 252 states and 378 transitions. [2018-11-18 08:45:13,957 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 378 transitions. [2018-11-18 08:45:13,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-18 08:45:13,958 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:13,967 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 08:45:14,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:14,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 254 states and 380 transitions. [2018-11-18 08:45:14,428 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 380 transitions. [2018-11-18 08:45:14,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 08:45:14,429 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:14,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:45:19,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:19,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 267 states and 410 transitions. [2018-11-18 08:45:19,368 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 410 transitions. [2018-11-18 08:45:19,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 08:45:19,368 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:19,375 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:45:19,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:19,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 269 states and 415 transitions. [2018-11-18 08:45:19,906 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 415 transitions. [2018-11-18 08:45:19,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 08:45:19,906 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:19,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:45:20,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:20,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 271 states and 418 transitions. [2018-11-18 08:45:20,375 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 418 transitions. [2018-11-18 08:45:20,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 08:45:20,375 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:20,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:45:20,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:20,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 273 states and 420 transitions. [2018-11-18 08:45:20,895 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 420 transitions. [2018-11-18 08:45:20,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 08:45:20,896 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:20,903 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:45:20,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:20,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 268 states and 406 transitions. [2018-11-18 08:45:20,912 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 406 transitions. [2018-11-18 08:45:20,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 08:45:20,912 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:20,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:21,379 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:45:22,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:22,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 279 states and 426 transitions. [2018-11-18 08:45:22,440 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 426 transitions. [2018-11-18 08:45:22,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 08:45:22,440 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:22,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 08:45:22,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:22,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 278 states and 425 transitions. [2018-11-18 08:45:22,460 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 425 transitions. [2018-11-18 08:45:22,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 08:45:22,460 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:22,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:22,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 08:45:23,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:23,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 280 states and 428 transitions. [2018-11-18 08:45:23,280 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 428 transitions. [2018-11-18 08:45:23,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 08:45:23,280 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:23,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:23,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 08:45:23,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:23,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 279 states and 427 transitions. [2018-11-18 08:45:23,303 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 427 transitions. [2018-11-18 08:45:23,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-11-18 08:45:23,303 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:23,329 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 08:45:23,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:23,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 280 states and 427 transitions. [2018-11-18 08:45:23,345 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 427 transitions. [2018-11-18 08:45:23,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 08:45:23,346 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:23,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:23,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 08:45:23,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:23,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 283 states and 430 transitions. [2018-11-18 08:45:23,878 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 430 transitions. [2018-11-18 08:45:23,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 08:45:23,878 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:23,912 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 08:45:23,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:23,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 285 states and 431 transitions. [2018-11-18 08:45:23,933 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 431 transitions. [2018-11-18 08:45:23,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 08:45:23,933 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:23,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:24,075 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 08:45:24,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:24,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 287 states and 434 transitions. [2018-11-18 08:45:24,638 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 434 transitions. [2018-11-18 08:45:24,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 08:45:24,638 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:24,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:24,645 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 08:45:25,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:25,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 287 states and 433 transitions. [2018-11-18 08:45:25,113 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 433 transitions. [2018-11-18 08:45:25,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 08:45:25,113 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:25,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:25,121 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 08:45:25,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:25,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 224 states and 344 transitions. [2018-11-18 08:45:25,642 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 344 transitions. [2018-11-18 08:45:25,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 08:45:25,642 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:25,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:25,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 08:45:26,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:26,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 223 states and 343 transitions. [2018-11-18 08:45:26,092 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 343 transitions. [2018-11-18 08:45:26,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 08:45:26,093 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:26,115 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-18 08:45:26,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:26,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 222 states and 342 transitions. [2018-11-18 08:45:26,130 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 342 transitions. [2018-11-18 08:45:26,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 08:45:26,130 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:27,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:45:34,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:34,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 238 states and 378 transitions. [2018-11-18 08:45:34,656 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 378 transitions. [2018-11-18 08:45:34,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 08:45:34,656 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:34,665 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:45:35,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:35,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 240 states and 381 transitions. [2018-11-18 08:45:35,389 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 381 transitions. [2018-11-18 08:45:35,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 08:45:35,389 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:35,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:35,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:45:35,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:35,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 242 states and 383 transitions. [2018-11-18 08:45:35,960 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 383 transitions. [2018-11-18 08:45:35,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 08:45:35,960 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:35,968 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:45:36,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:36,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 244 states and 385 transitions. [2018-11-18 08:45:36,634 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 385 transitions. [2018-11-18 08:45:36,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-18 08:45:36,635 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:36,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:45:37,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:37,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 246 states and 387 transitions. [2018-11-18 08:45:37,116 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 387 transitions. [2018-11-18 08:45:37,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 08:45:37,116 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:37,542 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:45:42,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:42,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 263 states and 413 transitions. [2018-11-18 08:45:42,520 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 413 transitions. [2018-11-18 08:45:42,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 08:45:42,521 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:42,902 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:45:44,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:44,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 274 states and 427 transitions. [2018-11-18 08:45:44,037 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 427 transitions. [2018-11-18 08:45:44,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 08:45:44,038 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:44,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:44,075 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:45:44,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:44,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 276 states and 430 transitions. [2018-11-18 08:45:44,664 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 430 transitions. [2018-11-18 08:45:44,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-18 08:45:44,664 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:44,700 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:45:45,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:45,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 278 states and 432 transitions. [2018-11-18 08:45:45,243 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 432 transitions. [2018-11-18 08:45:45,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 08:45:45,243 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:46,161 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:45:54,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:54,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 292 states and 467 transitions. [2018-11-18 08:45:54,905 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 467 transitions. [2018-11-18 08:45:54,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 08:45:54,905 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:54,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:55,098 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:45:56,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:56,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 296 states and 474 transitions. [2018-11-18 08:45:56,420 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 474 transitions. [2018-11-18 08:45:56,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 08:45:56,421 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:56,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:56,618 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:45:57,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:57,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 298 states and 478 transitions. [2018-11-18 08:45:57,374 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 478 transitions. [2018-11-18 08:45:57,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 08:45:57,374 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:57,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:57,591 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:45:58,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:58,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 300 states and 482 transitions. [2018-11-18 08:45:58,408 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 482 transitions. [2018-11-18 08:45:58,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 08:45:58,408 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:45:58,606 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:45:59,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:45:59,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 302 states and 485 transitions. [2018-11-18 08:45:59,423 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 485 transitions. [2018-11-18 08:45:59,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-18 08:45:59,423 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:45:59,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:45:59,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:45:59,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:45:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:45:59,504 WARN L493 CodeCheckObserver]: This program is UNSAFE, Check terminated with 99 iterations. [2018-11-18 08:45:59,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 08:45:59 ImpRootNode [2018-11-18 08:45:59,534 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 08:45:59,534 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:45:59,534 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:45:59,534 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:45:59,535 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:44:43" (3/4) ... [2018-11-18 08:45:59,538 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 08:45:59,538 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:45:59,538 INFO L168 Benchmark]: Toolchain (without parser) took 76801.13 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 917.0 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -106.8 MB). Peak memory consumption was 810.2 MB. Max. memory is 11.5 GB. [2018-11-18 08:45:59,540 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:45:59,540 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -185.1 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:45:59,540 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.61 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-18 08:45:59,540 INFO L168 Benchmark]: Boogie Preprocessor took 24.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:45:59,541 INFO L168 Benchmark]: RCFGBuilder took 624.59 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: 65.6 MB). Peak memory consumption was 65.6 MB. Max. memory is 11.5 GB. [2018-11-18 08:45:59,541 INFO L168 Benchmark]: CodeCheck took 75758.02 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 769.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.9 MB). Peak memory consumption was 775.5 MB. Max. memory is 11.5 GB. [2018-11-18 08:45:59,541 INFO L168 Benchmark]: Witness Printer took 3.83 ms. Allocated memory is still 1.9 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:45:59,544 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, 154 locations, 67 error locations. UNSAFE Result, 75.7s OverallTime, 99 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 436256768 SDtfs, 368826136 SDslu, -1894063436 SDs, 0 SdLazy, 1632736930 SolverSat, 2017594158 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 46.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15801 GetRequests, 14504 SyntacticMatches, 637 SemanticMatches, 660 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209744 ImplicationChecksByTransitivity, 72.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 9.8s InterpolantComputationTime, 2031 NumberOfCodeBlocks, 2031 NumberOfCodeBlocksAsserted, 99 NumberOfCheckSat, 1900 ConstructedInterpolants, 0 QuantifiedInterpolants, 319799 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 98 InterpolantComputations, 74 PerfectInterpolantSequences, 76/133 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 - UnprovableResult [Line: 985]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 985. Possible FailurePath: [L987] EXPR, FCALL malloc(sizeof(struct TSLL)) [L987] struct TSLL* null = malloc(sizeof(struct TSLL)); [L988] FCALL null->next = ((void*)0) [L989] FCALL null->prev = ((void*)0) [L990] FCALL null->colour = BLACK [L992] EXPR, FCALL malloc(sizeof(struct TSLL)) [L992] struct TSLL* list = malloc(sizeof(struct TSLL)); [L993] FCALL list->next = null [L994] FCALL list->prev = null [L995] FCALL list->colour = BLACK [L997] struct TSLL* end = list; [L1000] COND FALSE !(__VERIFIER_nondet_int()) [L1026] end = null [L1027] end = list [L1030] COND FALSE !(!(null != end)) [L1030] COND FALSE !(0) [L1031] EXPR, FCALL end->colour [L1031] COND FALSE !(!(BLACK == end->colour)) [L1031] COND FALSE !(0) [L1032] COND TRUE null != end [L1034] EXPR, FCALL end->colour [L1034] COND FALSE !(RED == end->colour) [L1041] EXPR, FCALL end->next [L1041] end = end->next [L1032] COND FALSE !(null != end) [L1045] COND TRUE null != list [L1047] EXPR, FCALL list->colour [L1047] COND FALSE !(RED == list->colour) [L1056] EXPR, FCALL list->next [L1056] end = list->next [L1057] free(list) [L1057] free(list) [L1057] FCALL free(list) [L1058] list = end [L1045] COND FALSE !(null != list) [L1062] return 0; * 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 352.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -185.1 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.61 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 624.59 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: 65.6 MB). Peak memory consumption was 65.6 MB. Max. memory is 11.5 GB. * CodeCheck took 75758.02 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 769.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.9 MB). Peak memory consumption was 775.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.83 ms. Allocated memory is still 1.9 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 08:46:00,911 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:46:00,912 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:46:00,920 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:46:00,920 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:46:00,921 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:46:00,922 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:46:00,923 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:46:00,924 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:46:00,925 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:46:00,925 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:46:00,926 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:46:00,926 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:46:00,927 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:46:00,928 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:46:00,928 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:46:00,929 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:46:00,931 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:46:00,932 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:46:00,934 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:46:00,934 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:46:00,935 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:46:00,936 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:46:00,936 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:46:00,937 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:46:00,937 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:46:00,938 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:46:00,938 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:46:00,939 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:46:00,940 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:46:00,940 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:46:00,940 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:46:00,940 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:46:00,941 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:46:00,942 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:46:00,943 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:46:00,943 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ec82bd42-6c31-4d7e-bffc-61816b884527/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2018-11-18 08:46:00,953 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:46:00,953 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:46:00,954 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:46:00,954 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:46:00,955 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:46:00,955 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:46:00,955 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 08:46:00,955 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:46:00,955 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:46:00,955 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:46:00,955 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-11-18 08:46:00,955 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-11-18 08:46:00,956 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-11-18 08:46:00,956 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 08:46:00,956 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 08:46:00,956 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 08:46:00,956 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:46:00,956 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:46:00,956 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 08:46:00,956 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 08:46:00,957 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:46:00,957 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 08:46:00,957 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 08:46:00,957 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:46:00,959 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 08:46:00,959 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-11-18 08:46:00,959 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 08:46:00,960 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 08:46:00,960 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 08:46:00,960 INFO L133 SettingsManager]: * Logic for external solver=AUFBV 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_ec82bd42-6c31-4d7e-bffc-61816b884527/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 -> b9633ec6dc7e01a7231c1be5ed310faef61ba6b0 [2018-11-18 08:46:00,993 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:46:01,002 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:46:01,004 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:46:01,005 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:46:01,006 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:46:01,006 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ec82bd42-6c31-4d7e-bffc-61816b884527/bin-2019/ukojak/../../sv-benchmarks/c/forester-heap/dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-11-18 08:46:01,051 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ec82bd42-6c31-4d7e-bffc-61816b884527/bin-2019/ukojak/data/87656478e/b7998ca03f5846659589cfc505884126/FLAG6fa59a3af [2018-11-18 08:46:01,412 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:46:01,412 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ec82bd42-6c31-4d7e-bffc-61816b884527/sv-benchmarks/c/forester-heap/dll-rb-sentinel_false-unreach-call_false-valid-memtrack.i [2018-11-18 08:46:01,421 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ec82bd42-6c31-4d7e-bffc-61816b884527/bin-2019/ukojak/data/87656478e/b7998ca03f5846659589cfc505884126/FLAG6fa59a3af [2018-11-18 08:46:01,806 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ec82bd42-6c31-4d7e-bffc-61816b884527/bin-2019/ukojak/data/87656478e/b7998ca03f5846659589cfc505884126 [2018-11-18 08:46:01,809 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:46:01,809 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 08:46:01,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:46:01,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:46:01,813 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:46:01,814 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:46:01" (1/1) ... [2018-11-18 08:46:01,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66fbe79c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:01, skipping insertion in model container [2018-11-18 08:46:01,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:46:01" (1/1) ... [2018-11-18 08:46:01,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:46:01,854 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:46:02,065 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:46:02,075 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:46:02,115 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:46:02,193 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:46:02,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:02 WrapperNode [2018-11-18 08:46:02,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:46:02,194 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 08:46:02,194 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 08:46:02,194 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 08:46:02,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:02" (1/1) ... [2018-11-18 08:46:02,212 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:02" (1/1) ... [2018-11-18 08:46:02,231 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 08:46:02,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:46:02,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:46:02,232 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:46:02,238 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:02" (1/1) ... [2018-11-18 08:46:02,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:02" (1/1) ... [2018-11-18 08:46:02,241 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:02" (1/1) ... [2018-11-18 08:46:02,242 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:02" (1/1) ... [2018-11-18 08:46:02,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:02" (1/1) ... [2018-11-18 08:46:02,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:02" (1/1) ... [2018-11-18 08:46:02,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:02" (1/1) ... [2018-11-18 08:46:02,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:46:02,260 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:46:02,260 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:46:02,260 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:46:02,261 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:46:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ec82bd42-6c31-4d7e-bffc-61816b884527/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 08:46:02,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 08:46:02,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 08:46:02,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 08:46:02,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 08:46:02,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 08:46:02,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 08:46:02,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:46:02,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:46:03,004 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:46:03,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:46:03 BoogieIcfgContainer [2018-11-18 08:46:03,005 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:46:03,005 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 08:46:03,005 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 08:46:03,011 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 08:46:03,012 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:46:03" (1/1) ... [2018-11-18 08:46:03,019 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:46:03,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 08:46:03,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 131 states and 153 transitions. [2018-11-18 08:46:03,044 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 153 transitions. [2018-11-18 08:46:03,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-11-18 08:46:03,046 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 08:46:03,075 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.IllegalArgumentException: Indexed Sort BitVec undefined at de.uni_freiburg.informatik.ultimate.logic.SortSymbol.checkArity(SortSymbol.java:153) at de.uni_freiburg.informatik.ultimate.logic.SortSymbol.getSort(SortSymbol.java:177) at de.uni_freiburg.informatik.ultimate.logic.Theory.getSort(Theory.java:1243) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:287) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.TermTransferrer.transferSort(TermTransferrer.java:128) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.TermTransferrer.convertApplicationTerm(TermTransferrer.java:162) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$BuildApplicationTerm.walk(TermTransformer.java:320) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:253) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.cfg.SmtSymbols.transferSymbols(SmtSymbols.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:449) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 08:46:03,077 INFO L168 Benchmark]: Toolchain (without parser) took 1268.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -121.6 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-18 08:46:03,079 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:46:03,079 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -203.0 MB). Peak memory consumption was 39.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:46:03,080 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.46 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: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:46:03,080 INFO L168 Benchmark]: Boogie Preprocessor took 28.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:46:03,081 INFO L168 Benchmark]: RCFGBuilder took 744.73 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: 68.6 MB). Peak memory consumption was 68.6 MB. Max. memory is 11.5 GB. [2018-11-18 08:46:03,081 INFO L168 Benchmark]: CodeCheck took 71.80 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: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2018-11-18 08:46:03,084 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: IllegalArgumentException: Indexed Sort BitVec undefined de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: IllegalArgumentException: Indexed Sort BitVec undefined: de.uni_freiburg.informatik.ultimate.logic.SortSymbol.checkArity(SortSymbol.java:153) * 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 383.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -203.0 MB). Peak memory consumption was 39.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.46 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: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 744.73 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: 68.6 MB). Peak memory consumption was 68.6 MB. Max. memory is 11.5 GB. * CodeCheck took 71.80 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: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...