./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/derefAfterFree2_false-valid-deref.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d7e02d6a-4ea3-4a99-8d19-bb4ae539d8ed/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d7e02d6a-4ea3-4a99-8d19-bb4ae539d8ed/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d7e02d6a-4ea3-4a99-8d19-bb4ae539d8ed/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d7e02d6a-4ea3-4a99-8d19-bb4ae539d8ed/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/derefAfterFree2_false-valid-deref.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d7e02d6a-4ea3-4a99-8d19-bb4ae539d8ed/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d7e02d6a-4ea3-4a99-8d19-bb4ae539d8ed/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 44834c55142a76240cb3980fc2bb6f5aeaa27c83 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref) --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 18:40:36,588 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 18:40:36,589 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 18:40:36,598 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 18:40:36,598 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 18:40:36,599 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 18:40:36,600 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 18:40:36,601 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 18:40:36,602 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 18:40:36,603 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 18:40:36,603 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 18:40:36,604 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 18:40:36,604 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 18:40:36,605 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 18:40:36,606 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 18:40:36,606 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 18:40:36,607 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 18:40:36,608 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 18:40:36,609 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 18:40:36,610 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 18:40:36,611 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 18:40:36,612 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 18:40:36,613 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 18:40:36,613 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 18:40:36,613 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 18:40:36,614 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 18:40:36,615 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 18:40:36,615 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 18:40:36,616 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 18:40:36,617 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 18:40:36,617 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 18:40:36,617 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 18:40:36,617 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 18:40:36,618 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 18:40:36,618 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 18:40:36,619 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 18:40:36,619 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d7e02d6a-4ea3-4a99-8d19-bb4ae539d8ed/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-02 18:40:36,629 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 18:40:36,629 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 18:40:36,630 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 18:40:36,630 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 18:40:36,630 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 18:40:36,631 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 18:40:36,631 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-02 18:40:36,631 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 18:40:36,631 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 18:40:36,631 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 18:40:36,631 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-02 18:40:36,631 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-02 18:40:36,632 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-02 18:40:36,632 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 18:40:36,632 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 18:40:36,632 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 18:40:36,632 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 18:40:36,632 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 18:40:36,633 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 18:40:36,633 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 18:40:36,633 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 18:40:36,633 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 18:40:36,633 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 18:40:36,633 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 18:40:36,634 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 18:40:36,634 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_d7e02d6a-4ea3-4a99-8d19-bb4ae539d8ed/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 -> 44834c55142a76240cb3980fc2bb6f5aeaa27c83 [2018-12-02 18:40:36,652 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 18:40:36,659 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 18:40:36,661 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 18:40:36,662 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 18:40:36,662 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 18:40:36,663 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d7e02d6a-4ea3-4a99-8d19-bb4ae539d8ed/bin-2019/ukojak/../../sv-benchmarks/c/memsafety-ext3/derefAfterFree2_false-valid-deref.c [2018-12-02 18:40:36,697 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d7e02d6a-4ea3-4a99-8d19-bb4ae539d8ed/bin-2019/ukojak/data/c5156fdcf/6b4447a8116e4fe8b8ca2669dbde551d/FLAGd9e1ece9c [2018-12-02 18:40:37,069 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 18:40:37,069 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d7e02d6a-4ea3-4a99-8d19-bb4ae539d8ed/sv-benchmarks/c/memsafety-ext3/derefAfterFree2_false-valid-deref.c [2018-12-02 18:40:37,072 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d7e02d6a-4ea3-4a99-8d19-bb4ae539d8ed/bin-2019/ukojak/data/c5156fdcf/6b4447a8116e4fe8b8ca2669dbde551d/FLAGd9e1ece9c [2018-12-02 18:40:37,080 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d7e02d6a-4ea3-4a99-8d19-bb4ae539d8ed/bin-2019/ukojak/data/c5156fdcf/6b4447a8116e4fe8b8ca2669dbde551d [2018-12-02 18:40:37,082 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 18:40:37,083 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 18:40:37,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 18:40:37,084 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 18:40:37,086 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 18:40:37,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:40:37" (1/1) ... [2018-12-02 18:40:37,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@706cd72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:37, skipping insertion in model container [2018-12-02 18:40:37,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:40:37" (1/1) ... [2018-12-02 18:40:37,092 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 18:40:37,100 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 18:40:37,183 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:40:37,189 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 18:40:37,197 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:40:37,206 INFO L195 MainTranslator]: Completed translation [2018-12-02 18:40:37,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:37 WrapperNode [2018-12-02 18:40:37,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 18:40:37,207 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 18:40:37,207 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 18:40:37,207 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 18:40:37,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:37" (1/1) ... [2018-12-02 18:40:37,216 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:37" (1/1) ... [2018-12-02 18:40:37,227 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 18:40:37,227 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 18:40:37,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 18:40:37,227 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 18:40:37,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:37" (1/1) ... [2018-12-02 18:40:37,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:37" (1/1) ... [2018-12-02 18:40:37,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:37" (1/1) ... [2018-12-02 18:40:37,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:37" (1/1) ... [2018-12-02 18:40:37,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:37" (1/1) ... [2018-12-02 18:40:37,270 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:37" (1/1) ... [2018-12-02 18:40:37,270 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:37" (1/1) ... [2018-12-02 18:40:37,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 18:40:37,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 18:40:37,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 18:40:37,271 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 18:40:37,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:40:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d7e02d6a-4ea3-4a99-8d19-bb4ae539d8ed/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 18:40:37,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 18:40:37,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 18:40:37,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 18:40:37,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 18:40:37,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 18:40:37,406 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 18:40:37,407 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-02 18:40:37,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:40:37 BoogieIcfgContainer [2018-12-02 18:40:37,407 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 18:40:37,407 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 18:40:37,407 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 18:40:37,415 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 18:40:37,415 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:40:37" (1/1) ... [2018-12-02 18:40:37,422 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:40:37,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:37,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2018-12-02 18:40:37,445 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2018-12-02 18:40:37,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-02 18:40:37,446 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:37,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:37,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:37,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2018-12-02 18:40:37,544 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2018-12-02 18:40:37,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-02 18:40:37,544 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:37,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:37,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:37,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2018-12-02 18:40:37,626 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2018-12-02 18:40:37,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-02 18:40:37,627 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:37,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:37,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:37,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2018-12-02 18:40:37,806 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2018-12-02 18:40:37,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 18:40:37,808 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:37,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:37,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:37,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2018-12-02 18:40:37,869 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2018-12-02 18:40:37,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 18:40:37,870 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:37,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:37,890 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:37,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:37,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2018-12-02 18:40:37,904 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2018-12-02 18:40:37,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 18:40:37,904 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:37,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:37,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:38,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:38,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2018-12-02 18:40:38,007 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2018-12-02 18:40:38,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 18:40:38,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:38,042 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:38,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:38,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 28 states and 43 transitions. [2018-12-02 18:40:38,251 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 43 transitions. [2018-12-02 18:40:38,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 18:40:38,251 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:38,262 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:38,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:38,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2018-12-02 18:40:38,317 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2018-12-02 18:40:38,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-02 18:40:38,318 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:38,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:38,333 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:38,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:38,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2018-12-02 18:40:38,426 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2018-12-02 18:40:38,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 18:40:38,427 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:38,436 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:38,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:38,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2018-12-02 18:40:38,529 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2018-12-02 18:40:38,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 18:40:38,530 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:38,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:38,657 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:39,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:39,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2018-12-02 18:40:39,080 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2018-12-02 18:40:39,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 18:40:39,080 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:39,093 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 18:40:39,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:39,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 36 states and 57 transitions. [2018-12-02 18:40:39,100 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2018-12-02 18:40:39,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 18:40:39,100 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:39,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:39,114 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:39,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:39,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2018-12-02 18:40:39,244 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2018-12-02 18:40:39,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 18:40:39,244 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:39,268 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:39,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:39,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2018-12-02 18:40:39,362 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2018-12-02 18:40:39,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 18:40:39,363 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:39,374 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 18:40:39,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:39,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2018-12-02 18:40:39,442 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2018-12-02 18:40:39,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-02 18:40:39,442 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:39,453 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:39,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:39,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 43 states and 67 transitions. [2018-12-02 18:40:39,664 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 67 transitions. [2018-12-02 18:40:39,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 18:40:39,665 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:39,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:39,675 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:39,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:39,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 45 states and 73 transitions. [2018-12-02 18:40:39,788 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 73 transitions. [2018-12-02 18:40:39,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 18:40:39,788 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:39,796 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:39,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:39,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 46 states and 73 transitions. [2018-12-02 18:40:39,896 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 73 transitions. [2018-12-02 18:40:39,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 18:40:39,897 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:39,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:40,021 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:40,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:40,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 50 states and 84 transitions. [2018-12-02 18:40:40,504 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 84 transitions. [2018-12-02 18:40:40,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 18:40:40,505 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:40,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:40,539 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:40,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:40,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 52 states and 93 transitions. [2018-12-02 18:40:40,712 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 93 transitions. [2018-12-02 18:40:40,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 18:40:40,712 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:40,724 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:40,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:40,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 55 states and 95 transitions. [2018-12-02 18:40:40,953 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 95 transitions. [2018-12-02 18:40:40,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 18:40:40,953 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:40,961 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-02 18:40:41,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:41,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 56 states and 94 transitions. [2018-12-02 18:40:41,054 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 94 transitions. [2018-12-02 18:40:41,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 18:40:41,055 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:41,065 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:41,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:41,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 57 states and 94 transitions. [2018-12-02 18:40:41,235 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 94 transitions. [2018-12-02 18:40:41,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 18:40:41,236 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:41,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:41,244 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:41,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:41,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 58 states and 94 transitions. [2018-12-02 18:40:41,311 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 94 transitions. [2018-12-02 18:40:41,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-02 18:40:41,311 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:41,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:41,326 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:41,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:41,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 61 states and 97 transitions. [2018-12-02 18:40:41,593 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 97 transitions. [2018-12-02 18:40:41,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 18:40:41,593 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:41,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:41,599 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:41,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:41,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 63 states and 104 transitions. [2018-12-02 18:40:41,731 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 104 transitions. [2018-12-02 18:40:41,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 18:40:41,731 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:41,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:41,738 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:41,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:41,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 64 states and 104 transitions. [2018-12-02 18:40:41,881 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 104 transitions. [2018-12-02 18:40:41,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 18:40:41,881 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:41,888 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:42,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:42,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 65 states and 104 transitions. [2018-12-02 18:40:42,004 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 104 transitions. [2018-12-02 18:40:42,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 18:40:42,004 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:42,165 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:43,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:43,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 69 states and 117 transitions. [2018-12-02 18:40:43,196 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 117 transitions. [2018-12-02 18:40:43,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 18:40:43,197 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:43,254 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:43,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:43,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 71 states and 127 transitions. [2018-12-02 18:40:43,426 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 127 transitions. [2018-12-02 18:40:43,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 18:40:43,427 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:43,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:43,438 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:43,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:43,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 72 states and 127 transitions. [2018-12-02 18:40:43,622 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 127 transitions. [2018-12-02 18:40:43,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 18:40:43,622 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:43,630 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-02 18:40:43,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:43,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 73 states and 126 transitions. [2018-12-02 18:40:43,741 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 126 transitions. [2018-12-02 18:40:43,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 18:40:43,741 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:43,747 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:43,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:43,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 74 states and 126 transitions. [2018-12-02 18:40:43,819 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 126 transitions. [2018-12-02 18:40:43,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 18:40:43,819 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:43,830 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:44,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:44,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 77 states and 129 transitions. [2018-12-02 18:40:44,212 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 129 transitions. [2018-12-02 18:40:44,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 18:40:44,212 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:44,221 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:44,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:44,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 80 states and 131 transitions. [2018-12-02 18:40:44,516 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 131 transitions. [2018-12-02 18:40:44,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 18:40:44,516 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:44,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:44,525 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:44,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:44,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 83 states and 133 transitions. [2018-12-02 18:40:44,988 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 133 transitions. [2018-12-02 18:40:44,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 18:40:44,989 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:44,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:45,000 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:45,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:45,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 85 states and 141 transitions. [2018-12-02 18:40:45,204 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 141 transitions. [2018-12-02 18:40:45,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 18:40:45,205 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:45,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:45,210 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:45,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:45,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 86 states and 141 transitions. [2018-12-02 18:40:45,365 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 141 transitions. [2018-12-02 18:40:45,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 18:40:45,366 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:45,374 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:45,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:45,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 87 states and 141 transitions. [2018-12-02 18:40:45,528 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 141 transitions. [2018-12-02 18:40:45,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 18:40:45,528 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:45,535 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:45,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:45,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 88 states and 141 transitions. [2018-12-02 18:40:45,680 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 141 transitions. [2018-12-02 18:40:45,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 18:40:45,680 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:45,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:45,883 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:47,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:47,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 92 states and 156 transitions. [2018-12-02 18:40:47,050 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 156 transitions. [2018-12-02 18:40:47,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 18:40:47,050 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:47,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:47,069 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:47,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:47,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 95 states and 158 transitions. [2018-12-02 18:40:47,411 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 158 transitions. [2018-12-02 18:40:47,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 18:40:47,411 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:47,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:47,479 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:47,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:47,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 97 states and 169 transitions. [2018-12-02 18:40:47,664 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 169 transitions. [2018-12-02 18:40:47,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 18:40:47,664 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:47,673 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:48,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:48,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 100 states and 177 transitions. [2018-12-02 18:40:48,387 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 177 transitions. [2018-12-02 18:40:48,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 18:40:48,387 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:48,402 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-02 18:40:48,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:48,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 101 states and 176 transitions. [2018-12-02 18:40:48,736 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 176 transitions. [2018-12-02 18:40:48,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 18:40:48,737 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:48,742 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:48,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:48,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 102 states and 176 transitions. [2018-12-02 18:40:48,852 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 176 transitions. [2018-12-02 18:40:48,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 18:40:48,852 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:48,861 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:49,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:49,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 103 states and 176 transitions. [2018-12-02 18:40:49,083 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 176 transitions. [2018-12-02 18:40:49,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 18:40:49,084 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:49,095 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:49,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:49,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 106 states and 178 transitions. [2018-12-02 18:40:49,474 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 178 transitions. [2018-12-02 18:40:49,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 18:40:49,474 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:49,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:49,486 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:49,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:49,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 109 states and 180 transitions. [2018-12-02 18:40:49,825 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 180 transitions. [2018-12-02 18:40:49,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 18:40:49,826 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:49,928 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-12-02 18:40:52,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:52,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 128 states and 204 transitions. [2018-12-02 18:40:52,861 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 204 transitions. [2018-12-02 18:40:52,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 18:40:52,862 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:52,883 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-12-02 18:40:53,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:53,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 132 states and 204 transitions. [2018-12-02 18:40:53,486 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 204 transitions. [2018-12-02 18:40:53,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 18:40:53,486 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:53,495 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-02 18:40:53,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:53,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 131 states and 202 transitions. [2018-12-02 18:40:53,896 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 202 transitions. [2018-12-02 18:40:53,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 18:40:53,896 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:53,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:53,906 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-02 18:40:54,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:54,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 132 states and 202 transitions. [2018-12-02 18:40:54,109 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 202 transitions. [2018-12-02 18:40:54,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 18:40:54,109 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:54,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:40:54,184 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:40:55,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:40:55,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 135 states and 214 transitions. [2018-12-02 18:40:55,320 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 214 transitions. [2018-12-02 18:40:55,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-02 18:40:55,320 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:40:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:40:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:40:55,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:40:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:40:55,382 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 55 iterations. [2018-12-02 18:40:55,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 06:40:55 ImpRootNode [2018-12-02 18:40:55,401 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 18:40:55,402 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 18:40:55,402 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 18:40:55,402 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 18:40:55,402 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:40:37" (3/4) ... [2018-12-02 18:40:55,404 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 18:40:55,437 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d7e02d6a-4ea3-4a99-8d19-bb4ae539d8ed/bin-2019/ukojak/witness.graphml [2018-12-02 18:40:55,437 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 18:40:55,438 INFO L168 Benchmark]: Toolchain (without parser) took 18355.37 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 286.3 MB). Free memory was 954.4 MB in the beginning and 1.2 GB in the end (delta: -249.0 MB). Peak memory consumption was 37.3 MB. Max. memory is 11.5 GB. [2018-12-02 18:40:55,439 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:40:55,439 INFO L168 Benchmark]: CACSL2BoogieTranslator took 123.04 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 18:40:55,439 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.03 ms. Allocated memory is still 1.0 GB. Free memory is still 943.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:40:55,439 INFO L168 Benchmark]: Boogie Preprocessor took 44.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -160.6 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-12-02 18:40:55,440 INFO L168 Benchmark]: RCFGBuilder took 135.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-12-02 18:40:55,440 INFO L168 Benchmark]: CodeCheck took 17994.24 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 179.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -113.4 MB). Peak memory consumption was 66.4 MB. Max. memory is 11.5 GB. [2018-12-02 18:40:55,440 INFO L168 Benchmark]: Witness Printer took 35.67 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:40:55,442 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, 17 locations, 5 error locations. UNSAFE Result, 17.9s OverallTime, 55 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 899835522 SDslu, 0 SDs, 0 SdLazy, -1056841392 SolverSat, -1175088834 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8208 GetRequests, 7257 SyntacticMatches, 593 SemanticMatches, 358 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69259 ImplicationChecksByTransitivity, 16.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 908 NumberOfCodeBlocks, 908 NumberOfCodeBlocksAsserted, 55 NumberOfCheckSat, 825 ConstructedInterpolants, 0 QuantifiedInterpolants, 121273 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 54 InterpolantComputations, 15 PerfectInterpolantSequences, 357/1396 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 9]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L6] int* p = malloc(10 * sizeof(int)); [L8] int i = 0; [L8] COND TRUE i < 10 [L9] p[i] = 1 [L10] COND FALSE !(i == 5) [L8] i++ [L8] COND TRUE i < 10 [L9] p[i] = 1 [L10] COND FALSE !(i == 5) [L8] i++ [L8] COND TRUE i < 10 [L9] p[i] = 1 [L10] COND FALSE !(i == 5) [L8] i++ [L8] COND TRUE i < 10 [L9] p[i] = 1 [L10] COND FALSE !(i == 5) [L8] i++ [L8] COND TRUE i < 10 [L9] p[i] = 1 [L10] COND FALSE !(i == 5) [L8] i++ [L8] COND TRUE i < 10 [L9] p[i] = 1 [L10] COND TRUE i == 5 [L11] free(p) [L11] free(p) [L8] i++ [L8] COND TRUE i < 10 [L9] p[i] = 1 * 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 123.04 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.03 ms. Allocated memory is still 1.0 GB. Free memory is still 943.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 106.4 MB). Free memory was 943.6 MB in the beginning and 1.1 GB in the end (delta: -160.6 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 135.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * CodeCheck took 17994.24 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 179.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -113.4 MB). Peak memory consumption was 66.4 MB. Max. memory is 11.5 GB. * Witness Printer took 35.67 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...