./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/derefAfterFree2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d9603687-e63e-49f4-bc45-f5a56bb9fff0/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d9603687-e63e-49f4-bc45-f5a56bb9fff0/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d9603687-e63e-49f4-bc45-f5a56bb9fff0/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d9603687-e63e-49f4-bc45-f5a56bb9fff0/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/derefAfterFree2.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d9603687-e63e-49f4-bc45-f5a56bb9fff0/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d9603687-e63e-49f4-bc45-f5a56bb9fff0/bin/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 0.1.24-cad4683 [2019-10-22 10:14:38,135 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:14:38,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:14:38,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:14:38,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:14:38,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:14:38,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:14:38,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:14:38,149 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:14:38,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:14:38,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:14:38,151 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:14:38,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:14:38,152 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:14:38,153 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:14:38,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:14:38,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:14:38,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:14:38,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:14:38,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:14:38,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:14:38,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:14:38,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:14:38,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:14:38,162 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:14:38,162 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:14:38,163 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:14:38,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:14:38,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:14:38,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:14:38,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:14:38,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:14:38,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:14:38,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:14:38,167 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:14:38,167 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:14:38,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:14:38,167 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:14:38,167 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:14:38,168 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:14:38,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:14:38,169 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d9603687-e63e-49f4-bc45-f5a56bb9fff0/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2019-10-22 10:14:38,179 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:14:38,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:14:38,180 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:14:38,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:14:38,180 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:14:38,180 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:14:38,180 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 10:14:38,180 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:14:38,181 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:14:38,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:14:38,181 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 10:14:38,181 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 10:14:38,181 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 10:14:38,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:14:38,181 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:14:38,182 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:14:38,182 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:14:38,182 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:14:38,182 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:14:38,182 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:14:38,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:14:38,183 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:14:38,183 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:14:38,183 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:14:38,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:14:38,183 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_d9603687-e63e-49f4-bc45-f5a56bb9fff0/bin/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 [2019-10-22 10:14:38,228 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:14:38,237 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:14:38,242 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:14:38,243 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:14:38,243 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:14:38,244 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d9603687-e63e-49f4-bc45-f5a56bb9fff0/bin/ukojak/../../sv-benchmarks/c/memsafety-ext3/derefAfterFree2.c [2019-10-22 10:14:38,293 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d9603687-e63e-49f4-bc45-f5a56bb9fff0/bin/ukojak/data/1fdc867f4/59c3416020e74d49b00ec3907a0b5f01/FLAG43e2d82a3 [2019-10-22 10:14:38,680 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:14:38,682 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d9603687-e63e-49f4-bc45-f5a56bb9fff0/sv-benchmarks/c/memsafety-ext3/derefAfterFree2.c [2019-10-22 10:14:38,687 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d9603687-e63e-49f4-bc45-f5a56bb9fff0/bin/ukojak/data/1fdc867f4/59c3416020e74d49b00ec3907a0b5f01/FLAG43e2d82a3 [2019-10-22 10:14:38,700 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d9603687-e63e-49f4-bc45-f5a56bb9fff0/bin/ukojak/data/1fdc867f4/59c3416020e74d49b00ec3907a0b5f01 [2019-10-22 10:14:38,703 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:14:38,704 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:14:38,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:14:38,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:14:38,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:14:38,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:14:38" (1/1) ... [2019-10-22 10:14:38,713 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77088b30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:38, skipping insertion in model container [2019-10-22 10:14:38,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:14:38" (1/1) ... [2019-10-22 10:14:38,722 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:14:38,736 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:14:38,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:14:38,890 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:14:38,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:14:39,005 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:14:39,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:39 WrapperNode [2019-10-22 10:14:39,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:14:39,006 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:14:39,006 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:14:39,007 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:14:39,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:39" (1/1) ... [2019-10-22 10:14:39,022 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:39" (1/1) ... [2019-10-22 10:14:39,040 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:14:39,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:14:39,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:14:39,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:14:39,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:39" (1/1) ... [2019-10-22 10:14:39,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:39" (1/1) ... [2019-10-22 10:14:39,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:39" (1/1) ... [2019-10-22 10:14:39,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:39" (1/1) ... [2019-10-22 10:14:39,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:39" (1/1) ... [2019-10-22 10:14:39,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:39" (1/1) ... [2019-10-22 10:14:39,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:39" (1/1) ... [2019-10-22 10:14:39,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:14:39,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:14:39,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:14:39,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:14:39,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d9603687-e63e-49f4-bc45-f5a56bb9fff0/bin/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 [2019-10-22 10:14:39,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 10:14:39,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 10:14:39,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:14:39,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:14:39,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 10:14:39,334 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:14:39,334 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-22 10:14:39,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:14:39 BoogieIcfgContainer [2019-10-22 10:14:39,335 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:14:39,336 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:14:39,336 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:14:39,346 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:14:39,346 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:14:39" (1/1) ... [2019-10-22 10:14:39,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:14:39,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:39,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2019-10-22 10:14:39,414 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2019-10-22 10:14:39,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 10:14:39,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:39,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:39,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:39,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2019-10-22 10:14:39,643 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2019-10-22 10:14:39,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 10:14:39,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:39,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:39,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:39,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2019-10-22 10:14:39,761 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2019-10-22 10:14:39,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 10:14:39,761 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:39,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:40,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:40,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2019-10-22 10:14:40,102 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2019-10-22 10:14:40,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 10:14:40,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:40,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:40,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:40,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2019-10-22 10:14:40,208 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2019-10-22 10:14:40,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 10:14:40,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:40,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:40,264 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:40,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:40,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2019-10-22 10:14:40,656 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2019-10-22 10:14:40,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 10:14:40,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:40,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:40,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:40,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 47 transitions. [2019-10-22 10:14:40,821 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2019-10-22 10:14:40,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 10:14:40,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:40,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:40,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:40,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:40,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2019-10-22 10:14:40,909 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2019-10-22 10:14:40,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 10:14:40,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:40,922 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:41,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:41,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 31 states and 49 transitions. [2019-10-22 10:14:41,026 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2019-10-22 10:14:41,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 10:14:41,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:41,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:41,049 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:41,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:41,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 49 transitions. [2019-10-22 10:14:41,211 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2019-10-22 10:14:41,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 10:14:41,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:41,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:41,225 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:41,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:41,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2019-10-22 10:14:41,369 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2019-10-22 10:14:41,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:14:41,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:41,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:41,384 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 10:14:41,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:41,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2019-10-22 10:14:41,519 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2019-10-22 10:14:41,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:14:41,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:41,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:41,579 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:41,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:41,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 37 states and 65 transitions. [2019-10-22 10:14:41,775 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 65 transitions. [2019-10-22 10:14:41,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:14:41,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:41,790 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:41,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:41,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 38 states and 65 transitions. [2019-10-22 10:14:41,963 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 65 transitions. [2019-10-22 10:14:41,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:14:41,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:41,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:41,986 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:42,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:42,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 39 states and 66 transitions. [2019-10-22 10:14:42,128 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2019-10-22 10:14:42,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:14:42,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:42,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:42,181 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:42,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:42,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 78 transitions. [2019-10-22 10:14:42,651 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2019-10-22 10:14:42,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:14:42,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:42,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:42,669 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 10:14:42,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:42,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 43 states and 77 transitions. [2019-10-22 10:14:42,687 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2019-10-22 10:14:42,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:14:42,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:42,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:42,706 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:42,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:42,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 44 states and 77 transitions. [2019-10-22 10:14:42,869 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 77 transitions. [2019-10-22 10:14:42,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:14:42,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:42,880 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 10:14:43,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:43,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 46 states and 78 transitions. [2019-10-22 10:14:43,102 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 78 transitions. [2019-10-22 10:14:43,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:14:43,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:43,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:43,121 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:43,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:43,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 47 states and 78 transitions. [2019-10-22 10:14:43,291 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 78 transitions. [2019-10-22 10:14:43,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:14:43,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:43,307 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:43,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:43,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 48 states and 78 transitions. [2019-10-22 10:14:43,332 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 78 transitions. [2019-10-22 10:14:43,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 10:14:43,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:43,352 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:43,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:43,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 50 states and 85 transitions. [2019-10-22 10:14:43,533 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 85 transitions. [2019-10-22 10:14:43,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 10:14:43,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:43,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:43,624 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:44,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:44,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 54 states and 98 transitions. [2019-10-22 10:14:44,461 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 98 transitions. [2019-10-22 10:14:44,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 10:14:44,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:44,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:44,494 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:44,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:44,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 56 states and 98 transitions. [2019-10-22 10:14:44,740 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 98 transitions. [2019-10-22 10:14:44,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 10:14:44,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:44,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:44,800 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:45,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:45,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 58 states and 108 transitions. [2019-10-22 10:14:45,073 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 108 transitions. [2019-10-22 10:14:45,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 10:14:45,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:45,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:45,095 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:45,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:45,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 59 states and 108 transitions. [2019-10-22 10:14:45,317 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 108 transitions. [2019-10-22 10:14:45,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 10:14:45,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:45,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:45,330 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-22 10:14:45,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:45,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 60 states and 108 transitions. [2019-10-22 10:14:45,504 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 108 transitions. [2019-10-22 10:14:45,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 10:14:45,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:45,534 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:45,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:45,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 62 states and 110 transitions. [2019-10-22 10:14:45,757 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 110 transitions. [2019-10-22 10:14:45,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 10:14:45,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:45,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:45,767 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:46,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:46,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 63 states and 110 transitions. [2019-10-22 10:14:46,012 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 110 transitions. [2019-10-22 10:14:46,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 10:14:46,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:46,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:46,038 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:46,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:46,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 64 states and 110 transitions. [2019-10-22 10:14:46,193 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 110 transitions. [2019-10-22 10:14:46,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 10:14:46,194 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:46,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:46,206 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:46,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:46,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 66 states and 118 transitions. [2019-10-22 10:14:46,456 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 118 transitions. [2019-10-22 10:14:46,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 10:14:46,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:46,468 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-22 10:14:46,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:46,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 67 states and 118 transitions. [2019-10-22 10:14:46,680 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 118 transitions. [2019-10-22 10:14:46,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 10:14:46,681 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:46,799 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:47,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:47,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 71 states and 133 transitions. [2019-10-22 10:14:47,654 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 133 transitions. [2019-10-22 10:14:47,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 10:14:47,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:47,672 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:47,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:47,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 72 states and 133 transitions. [2019-10-22 10:14:47,996 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 133 transitions. [2019-10-22 10:14:47,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 10:14:47,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:48,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:48,021 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:48,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:48,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 73 states and 133 transitions. [2019-10-22 10:14:48,330 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 133 transitions. [2019-10-22 10:14:48,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 10:14:48,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:48,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:48,388 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:48,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:48,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 75 states and 144 transitions. [2019-10-22 10:14:48,693 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 144 transitions. [2019-10-22 10:14:48,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 10:14:48,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:48,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:48,709 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:49,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:49,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 77 states and 149 transitions. [2019-10-22 10:14:49,129 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 149 transitions. [2019-10-22 10:14:49,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 10:14:49,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:49,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:49,156 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:49,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:49,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 80 states and 151 transitions. [2019-10-22 10:14:49,554 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 151 transitions. [2019-10-22 10:14:49,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 10:14:49,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:49,567 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:49,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:49,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 81 states and 151 transitions. [2019-10-22 10:14:49,783 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 151 transitions. [2019-10-22 10:14:49,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 10:14:49,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:49,792 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-22 10:14:49,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:49,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 81 states and 150 transitions. [2019-10-22 10:14:49,889 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 150 transitions. [2019-10-22 10:14:49,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 10:14:49,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:49,898 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-22 10:14:50,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:50,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 82 states and 150 transitions. [2019-10-22 10:14:50,109 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 150 transitions. [2019-10-22 10:14:50,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 10:14:50,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:50,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:50,118 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-22 10:14:50,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:50,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 83 states and 151 transitions. [2019-10-22 10:14:50,305 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 151 transitions. [2019-10-22 10:14:50,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 10:14:50,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:50,321 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:50,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:50,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 84 states and 151 transitions. [2019-10-22 10:14:50,518 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 151 transitions. [2019-10-22 10:14:50,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 10:14:50,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:50,541 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:50,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:50,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 85 states and 151 transitions. [2019-10-22 10:14:50,569 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 151 transitions. [2019-10-22 10:14:50,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-22 10:14:50,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:50,584 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:50,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:50,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 87 states and 160 transitions. [2019-10-22 10:14:50,828 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 160 transitions. [2019-10-22 10:14:50,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:14:50,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:50,939 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:51,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:51,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 91 states and 177 transitions. [2019-10-22 10:14:51,972 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 177 transitions. [2019-10-22 10:14:51,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:14:51,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:51,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:51,990 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:52,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:52,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 92 states and 177 transitions. [2019-10-22 10:14:52,268 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 177 transitions. [2019-10-22 10:14:52,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:14:52,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:52,353 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:52,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:52,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 94 states and 189 transitions. [2019-10-22 10:14:52,789 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 189 transitions. [2019-10-22 10:14:52,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:14:52,790 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:52,807 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:53,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:53,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 96 states and 192 transitions. [2019-10-22 10:14:53,170 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 192 transitions. [2019-10-22 10:14:53,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:14:53,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:53,180 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-10-22 10:14:53,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:53,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 97 states and 192 transitions. [2019-10-22 10:14:53,398 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 192 transitions. [2019-10-22 10:14:53,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:14:53,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:53,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:53,408 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:53,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:53,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 98 states and 192 transitions. [2019-10-22 10:14:53,676 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 192 transitions. [2019-10-22 10:14:53,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:14:53,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:53,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:53,693 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:54,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:54,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 100 states and 193 transitions. [2019-10-22 10:14:54,216 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 193 transitions. [2019-10-22 10:14:54,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:14:54,216 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:54,231 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:54,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:54,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 102 states and 193 transitions. [2019-10-22 10:14:54,555 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 193 transitions. [2019-10-22 10:14:54,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:14:54,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:54,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:54,563 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-10-22 10:14:54,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:54,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 102 states and 192 transitions. [2019-10-22 10:14:54,674 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 192 transitions. [2019-10-22 10:14:54,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:14:54,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:54,690 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:54,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:54,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 104 states and 193 transitions. [2019-10-22 10:14:54,865 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 193 transitions. [2019-10-22 10:14:54,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:14:54,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:54,881 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:55,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:55,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 106 states and 195 transitions. [2019-10-22 10:14:55,261 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 195 transitions. [2019-10-22 10:14:55,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 10:14:55,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:55,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:55,278 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:14:55,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:55,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 107 states and 195 transitions. [2019-10-22 10:14:55,516 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 195 transitions. [2019-10-22 10:14:55,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 10:14:55,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:55,681 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-10-22 10:14:56,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:56,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 119 states and 204 transitions. [2019-10-22 10:14:56,775 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 204 transitions. [2019-10-22 10:14:56,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 10:14:56,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:56,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:56,908 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-10-22 10:14:59,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:59,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 144 states and 232 transitions. [2019-10-22 10:14:59,006 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 232 transitions. [2019-10-22 10:14:59,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 10:14:59,007 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:59,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:59,016 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-10-22 10:14:59,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:14:59,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 143 states and 230 transitions. [2019-10-22 10:14:59,848 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 230 transitions. [2019-10-22 10:14:59,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 10:14:59,848 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:14:59,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:14:59,969 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:00,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:00,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 145 states and 241 transitions. [2019-10-22 10:15:00,851 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 241 transitions. [2019-10-22 10:15:00,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-22 10:15:00,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:15:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:15:00,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:15:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:15:00,968 WARN L489 CodeCheckObserver]: This program is UNSAFE, Check terminated with 61 iterations. [2019-10-22 10:15:01,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:15:01 ImpRootNode [2019-10-22 10:15:01,020 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:15:01,021 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:15:01,021 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:15:01,021 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:15:01,021 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:14:39" (3/4) ... [2019-10-22 10:15:01,035 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 10:15:01,120 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d9603687-e63e-49f4-bc45-f5a56bb9fff0/bin/ukojak/witness.graphml [2019-10-22 10:15:01,122 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:15:01,124 INFO L168 Benchmark]: Toolchain (without parser) took 22419.39 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 472.4 MB). Free memory was 951.2 MB in the beginning and 1.2 GB in the end (delta: -280.6 MB). Peak memory consumption was 191.8 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:01,124 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:15:01,125 INFO L168 Benchmark]: CACSL2BoogieTranslator took 301.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 951.2 MB in the beginning and 1.1 GB in the end (delta: -183.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:01,125 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.55 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. [2019-10-22 10:15:01,125 INFO L168 Benchmark]: Boogie Preprocessor took 22.92 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. [2019-10-22 10:15:01,126 INFO L168 Benchmark]: RCFGBuilder took 272.12 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: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:01,126 INFO L168 Benchmark]: CodeCheck took 21684.56 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 327.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -125.4 MB). Peak memory consumption was 202.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:01,127 INFO L168 Benchmark]: Witness Printer took 101.67 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:01,129 INFO L335 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, 16 locations, 6 error locations. Result: UNSAFE, OverallTime: 21.6s, OverallIterations: 61, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 103241340 SDslu, 0 SDs, 0 SdLazy, 1166830174 SolverSat, 251143290 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 31.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9313 GetRequests, 8372 SyntacticMatches, 587 SemanticMatches, 354 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64804 ImplicationChecksByTransitivity, 18.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 997 NumberOfCodeBlocks, 997 NumberOfCodeBlocksAsserted, 61 NumberOfCheckSat, 907 ConstructedInterpolants, 0 QuantifiedInterpolants, 187453 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 60 InterpolantComputations, 19 PerfectInterpolantSequences, 439/1520 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 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) [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 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 301.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 951.2 MB in the beginning and 1.1 GB in the end (delta: -183.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.55 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. * Boogie Preprocessor took 22.92 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 272.12 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: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * CodeCheck took 21684.56 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 327.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -125.4 MB). Peak memory consumption was 202.3 MB. Max. memory is 11.5 GB. * Witness Printer took 101.67 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...