./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test19_false-valid-free.i --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_dec208bd-b155-4dfd-94d0-ead4e27b56e2/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dec208bd-b155-4dfd-94d0-ead4e27b56e2/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dec208bd-b155-4dfd-94d0-ead4e27b56e2/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dec208bd-b155-4dfd-94d0-ead4e27b56e2/bin-2019/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test19_false-valid-free.i -s /tmp/vcloud-vcloud-master/worker/working_dir_dec208bd-b155-4dfd-94d0-ead4e27b56e2/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dec208bd-b155-4dfd-94d0-ead4e27b56e2/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 927b64548732fdfa523149393b95aeee194275ea ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 03:00:43,789 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 03:00:43,790 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 03:00:43,796 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 03:00:43,796 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 03:00:43,797 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 03:00:43,797 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 03:00:43,799 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 03:00:43,800 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 03:00:43,800 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 03:00:43,801 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 03:00:43,801 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 03:00:43,802 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 03:00:43,803 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 03:00:43,803 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 03:00:43,804 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 03:00:43,805 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 03:00:43,806 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 03:00:43,807 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 03:00:43,808 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 03:00:43,809 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 03:00:43,810 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 03:00:43,811 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 03:00:43,812 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 03:00:43,812 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 03:00:43,812 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 03:00:43,813 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 03:00:43,814 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 03:00:43,814 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 03:00:43,815 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 03:00:43,815 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 03:00:43,816 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 03:00:43,816 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 03:00:43,816 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 03:00:43,816 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 03:00:43,817 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 03:00:43,817 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dec208bd-b155-4dfd-94d0-ead4e27b56e2/bin-2019/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2018-12-09 03:00:43,826 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 03:00:43,827 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 03:00:43,828 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 03:00:43,828 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 03:00:43,828 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 03:00:43,828 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 03:00:43,828 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 03:00:43,828 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 03:00:43,829 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 03:00:43,829 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 03:00:43,829 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-09 03:00:43,829 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-09 03:00:43,829 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-09 03:00:43,829 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 03:00:43,829 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 03:00:43,830 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 03:00:43,830 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 03:00:43,830 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 03:00:43,830 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 03:00:43,830 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 03:00:43,830 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 03:00:43,831 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 03:00:43,831 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 03:00:43,831 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 03:00:43,831 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 03:00:43,831 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_dec208bd-b155-4dfd-94d0-ead4e27b56e2/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 -> 927b64548732fdfa523149393b95aeee194275ea [2018-12-09 03:00:43,852 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 03:00:43,859 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 03:00:43,861 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 03:00:43,862 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 03:00:43,862 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 03:00:43,862 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dec208bd-b155-4dfd-94d0-ead4e27b56e2/bin-2019/ukojak/../../sv-benchmarks/c/ldv-memsafety/memleaks_test19_false-valid-free.i [2018-12-09 03:00:43,897 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dec208bd-b155-4dfd-94d0-ead4e27b56e2/bin-2019/ukojak/data/2ef542d6f/6aa3418c5c014410922124fa2726d325/FLAG31a0e2d0b [2018-12-09 03:00:44,373 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 03:00:44,373 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dec208bd-b155-4dfd-94d0-ead4e27b56e2/sv-benchmarks/c/ldv-memsafety/memleaks_test19_false-valid-free.i [2018-12-09 03:00:44,380 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dec208bd-b155-4dfd-94d0-ead4e27b56e2/bin-2019/ukojak/data/2ef542d6f/6aa3418c5c014410922124fa2726d325/FLAG31a0e2d0b [2018-12-09 03:00:44,881 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dec208bd-b155-4dfd-94d0-ead4e27b56e2/bin-2019/ukojak/data/2ef542d6f/6aa3418c5c014410922124fa2726d325 [2018-12-09 03:00:44,884 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 03:00:44,885 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 03:00:44,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 03:00:44,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 03:00:44,888 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 03:00:44,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:00:44" (1/1) ... [2018-12-09 03:00:44,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44bd7056 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:00:44, skipping insertion in model container [2018-12-09 03:00:44,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:00:44" (1/1) ... [2018-12-09 03:00:44,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 03:00:44,920 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 03:00:45,141 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 03:00:45,153 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 03:00:45,187 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 03:00:45,221 INFO L195 MainTranslator]: Completed translation [2018-12-09 03:00:45,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:00:45 WrapperNode [2018-12-09 03:00:45,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 03:00:45,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 03:00:45,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 03:00:45,222 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 03:00:45,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:00:45" (1/1) ... [2018-12-09 03:00:45,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:00:45" (1/1) ... [2018-12-09 03:00:45,254 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 03:00:45,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 03:00:45,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 03:00:45,255 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 03:00:45,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:00:45" (1/1) ... [2018-12-09 03:00:45,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:00:45" (1/1) ... [2018-12-09 03:00:45,262 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:00:45" (1/1) ... [2018-12-09 03:00:45,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:00:45" (1/1) ... [2018-12-09 03:00:45,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:00:45" (1/1) ... [2018-12-09 03:00:45,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:00:45" (1/1) ... [2018-12-09 03:00:45,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:00:45" (1/1) ... [2018-12-09 03:00:45,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 03:00:45,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 03:00:45,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 03:00:45,271 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 03:00:45,271 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:00:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dec208bd-b155-4dfd-94d0-ead4e27b56e2/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 03:00:45,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 03:00:45,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-09 03:00:45,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-09 03:00:45,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 03:00:45,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-12-09 03:00:45,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 03:00:45,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 03:00:45,588 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 03:00:45,588 INFO L280 CfgBuilder]: Removed 22 assue(true) statements. [2018-12-09 03:00:45,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:00:45 BoogieIcfgContainer [2018-12-09 03:00:45,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 03:00:45,589 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 03:00:45,589 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 03:00:45,598 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 03:00:45,598 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:00:45" (1/1) ... [2018-12-09 03:00:45,607 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:00:45,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:00:45,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 51 states and 54 transitions. [2018-12-09 03:00:45,637 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 54 transitions. [2018-12-09 03:00:45,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-12-09 03:00:45,640 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:00:45,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:00:45,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:00:45,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:00:45,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 50 states and 53 transitions. [2018-12-09 03:00:45,758 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 53 transitions. [2018-12-09 03:00:45,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-12-09 03:00:45,759 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:00:45,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:00:45,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:00:45,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:00:45,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 49 states and 52 transitions. [2018-12-09 03:00:45,848 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 52 transitions. [2018-12-09 03:00:45,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-09 03:00:45,848 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:00:45,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:00:45,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:00:45,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:00:45,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 48 states and 51 transitions. [2018-12-09 03:00:45,909 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 51 transitions. [2018-12-09 03:00:45,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-12-09 03:00:45,909 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:00:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:00:45,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:00:45,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:00:45,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 47 states and 50 transitions. [2018-12-09 03:00:45,966 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2018-12-09 03:00:45,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 03:00:45,966 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:00:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:00:45,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:00:46,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:00:46,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 46 states and 49 transitions. [2018-12-09 03:00:46,026 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 49 transitions. [2018-12-09 03:00:46,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 03:00:46,026 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:00:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:00:46,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:00:46,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:00:46,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 45 states and 48 transitions. [2018-12-09 03:00:46,276 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 48 transitions. [2018-12-09 03:00:46,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 03:00:46,276 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:00:46,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:00:46,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:00:46,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:00:46,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 44 states and 47 transitions. [2018-12-09 03:00:46,311 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2018-12-09 03:00:46,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 03:00:46,311 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:00:46,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:00:46,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:00:46,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:00:46,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 43 states and 46 transitions. [2018-12-09 03:00:46,512 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2018-12-09 03:00:46,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 03:00:46,512 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:00:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:00:46,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:00:46,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:00:46,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 47 states and 53 transitions. [2018-12-09 03:00:46,933 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2018-12-09 03:00:46,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 03:00:46,933 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:00:46,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:00:47,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:00:47,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:00:47,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 50 states and 57 transitions. [2018-12-09 03:00:47,589 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2018-12-09 03:00:47,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 03:00:47,590 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:00:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:00:47,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:00:47,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:00:47,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 51 states and 59 transitions. [2018-12-09 03:00:47,977 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions. [2018-12-09 03:00:47,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 03:00:47,978 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:00:47,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:00:48,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:00:48,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:00:48,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 52 states and 60 transitions. [2018-12-09 03:00:48,857 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions. [2018-12-09 03:00:48,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 03:00:48,857 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:00:48,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:00:49,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:00:51,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:00:51,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 57 states and 68 transitions. [2018-12-09 03:00:51,294 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions. [2018-12-09 03:00:51,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 03:00:51,295 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:00:51,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:00:51,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:00:51,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:00:51,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 56 states and 67 transitions. [2018-12-09 03:00:51,476 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 67 transitions. [2018-12-09 03:00:51,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 03:00:51,477 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:00:51,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:00:51,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:00:55,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:00:55,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 55 states and 66 transitions. [2018-12-09 03:00:55,675 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2018-12-09 03:00:55,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 03:00:55,676 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:00:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:00:56,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:01:00,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:01:00,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 57 states and 68 transitions. [2018-12-09 03:01:00,569 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions. [2018-12-09 03:01:00,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 03:01:00,574 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:01:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:01:01,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:01:04,220 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 36 [2018-12-09 03:01:05,035 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2018-12-09 03:01:09,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:01:09,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 56 states and 67 transitions. [2018-12-09 03:01:09,823 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 67 transitions. [2018-12-09 03:01:09,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 03:01:09,823 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:01:09,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:01:10,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:01:13,161 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2018-12-09 03:01:14,566 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2018-12-09 03:01:16,892 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2018-12-09 03:01:19,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:01:19,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 59 states and 74 transitions. [2018-12-09 03:01:19,757 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2018-12-09 03:01:19,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 03:01:19,758 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:01:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:01:19,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:01:22,824 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-12-09 03:01:25,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:01:25,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 59 states and 73 transitions. [2018-12-09 03:01:25,959 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2018-12-09 03:01:25,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 03:01:25,960 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:01:25,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:01:26,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:01:27,298 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2018-12-09 03:01:30,911 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 50 [2018-12-09 03:01:32,328 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 40 [2018-12-09 03:01:33,741 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2018-12-09 03:01:43,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:01:43,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 62 states and 79 transitions. [2018-12-09 03:01:43,959 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2018-12-09 03:01:43,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 03:01:43,960 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:01:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:01:44,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:01:55,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:01:55,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2018-12-09 03:01:55,580 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2018-12-09 03:01:55,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 03:01:55,581 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:01:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:01:55,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:01:58,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:01:58,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2018-12-09 03:01:58,294 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2018-12-09 03:01:58,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 03:01:58,295 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:01:58,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:02:01,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:02:04,387 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2018-12-09 03:02:05,982 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2018-12-09 03:02:10,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:02:10,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 67 states and 85 transitions. [2018-12-09 03:02:10,831 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2018-12-09 03:02:10,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 03:02:10,831 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:02:10,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:02:12,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:02:17,627 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2018-12-09 03:02:31,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:02:31,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 65 states and 82 transitions. [2018-12-09 03:02:31,017 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2018-12-09 03:02:31,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 03:02:31,017 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:02:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:02:32,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:02:43,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:02:43,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2018-12-09 03:02:43,751 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2018-12-09 03:02:43,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 03:02:43,752 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:02:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:02:49,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:02:50,606 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2018-12-09 03:02:52,876 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2018-12-09 03:02:54,573 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2018-12-09 03:03:04,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:03:04,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 68 states and 86 transitions. [2018-12-09 03:03:04,223 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions. [2018-12-09 03:03:04,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 03:03:04,224 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:03:04,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:03:04,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:03:10,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:03:10,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 65 states and 83 transitions. [2018-12-09 03:03:10,554 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2018-12-09 03:03:10,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 03:03:10,554 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:03:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:03:12,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:03:36,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:03:36,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 71 states and 91 transitions. [2018-12-09 03:03:36,149 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 91 transitions. [2018-12-09 03:03:36,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 03:03:36,149 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:03:36,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:03:37,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:03:44,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:03:44,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 74 states and 94 transitions. [2018-12-09 03:03:44,210 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 94 transitions. [2018-12-09 03:03:44,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 03:03:44,210 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:03:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:03:47,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:03:54,158 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 52 [2018-12-09 03:03:56,943 WARN L180 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 59 [2018-12-09 03:03:59,553 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-12-09 03:04:01,075 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2018-12-09 03:04:05,451 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2018-12-09 03:04:12,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:04:12,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 70 states and 86 transitions. [2018-12-09 03:04:12,653 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 86 transitions. [2018-12-09 03:04:12,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 03:04:12,654 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:04:12,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:04:13,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:04:18,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:04:18,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 76 states and 93 transitions. [2018-12-09 03:04:18,056 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2018-12-09 03:04:18,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 03:04:18,056 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:04:18,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:04:18,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:04:21,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:04:21,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 79 states and 95 transitions. [2018-12-09 03:04:21,300 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 95 transitions. [2018-12-09 03:04:21,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 03:04:21,301 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:04:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:04:22,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:04:36,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:04:36,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2018-12-09 03:04:36,622 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2018-12-09 03:04:36,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 03:04:36,622 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:04:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:04:45,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:04:50,801 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 49 [2018-12-09 03:05:00,607 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2018-12-09 03:05:17,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:05:17,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 92 states and 111 transitions. [2018-12-09 03:05:17,640 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 111 transitions. [2018-12-09 03:05:17,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 03:05:17,641 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:05:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:05:17,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:05:21,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:05:21,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 95 states and 114 transitions. [2018-12-09 03:05:21,885 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 114 transitions. [2018-12-09 03:05:21,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 03:05:21,885 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:05:21,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:05:22,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:05:24,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:05:24,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 97 states and 115 transitions. [2018-12-09 03:05:24,412 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 115 transitions. [2018-12-09 03:05:24,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 03:05:24,412 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:05:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:05:28,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:05:31,527 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2018-12-09 03:05:32,413 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2018-12-09 03:05:46,844 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2018-12-09 03:05:49,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:05:49,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 105 states and 124 transitions. [2018-12-09 03:05:49,920 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 124 transitions. [2018-12-09 03:05:49,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 03:05:49,920 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:05:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:05:56,705 WARN L180 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 37 [2018-12-09 03:06:18,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:06:28,054 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 97 [2018-12-09 03:06:29,422 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 96 [2018-12-09 03:06:34,054 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2018-12-09 03:07:02,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:07:02,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 113 states and 136 transitions. [2018-12-09 03:07:02,909 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 136 transitions. [2018-12-09 03:07:02,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 03:07:02,909 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:07:02,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:07:08,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:07:13,055 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 76 [2018-12-09 03:07:14,323 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 98 [2018-12-09 03:07:37,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:07:37,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 108 states and 130 transitions. [2018-12-09 03:07:37,781 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 130 transitions. [2018-12-09 03:07:37,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 03:07:37,781 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:07:37,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:07:37,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:07:38,492 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2018-12-09 03:07:39,612 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2018-12-09 03:07:53,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:07:53,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 101 states and 115 transitions. [2018-12-09 03:07:53,398 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 115 transitions. [2018-12-09 03:07:53,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 03:07:53,398 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:07:53,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:07:53,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:08:07,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:08:07,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 87 states and 95 transitions. [2018-12-09 03:08:07,834 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2018-12-09 03:08:07,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 03:08:07,834 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:08:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:08:08,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 03:08:19,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 03:08:19,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 82 states and 90 transitions. [2018-12-09 03:08:19,443 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 90 transitions. [2018-12-09 03:08:19,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 03:08:19,444 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 03:08:19,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 03:08:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 03:08:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 03:08:19,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 03:08:19,540 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 43 iterations. [2018-12-09 03:08:19,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 03:08:19 ImpRootNode [2018-12-09 03:08:19,567 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 03:08:19,567 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 03:08:19,567 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 03:08:19,568 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 03:08:19,568 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:00:45" (3/4) ... [2018-12-09 03:08:19,569 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 03:08:19,604 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_dec208bd-b155-4dfd-94d0-ead4e27b56e2/bin-2019/ukojak/witness.graphml [2018-12-09 03:08:19,604 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 03:08:19,604 INFO L168 Benchmark]: Toolchain (without parser) took 454720.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 951.7 MB in the beginning and 634.4 MB in the end (delta: 317.3 MB). Peak memory consumption was 431.1 MB. Max. memory is 11.5 GB. [2018-12-09 03:08:19,605 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. [2018-12-09 03:08:19,605 INFO L168 Benchmark]: CACSL2BoogieTranslator took 336.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 84.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -100.5 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2018-12-09 03:08:19,605 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 03:08:19,606 INFO L168 Benchmark]: Boogie Preprocessor took 16.27 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 03:08:19,606 INFO L168 Benchmark]: RCFGBuilder took 317.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. [2018-12-09 03:08:19,606 INFO L168 Benchmark]: CodeCheck took 453978.28 ms. Allocated memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.4 MB). Free memory was 1.0 GB in the beginning and 634.4 MB in the end (delta: 374.0 MB). Peak memory consumption was 403.3 MB. Max. memory is 11.5 GB. [2018-12-09 03:08:19,606 INFO L168 Benchmark]: Witness Printer took 36.47 ms. Allocated memory is still 1.1 GB. Free memory is still 634.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 03:08:19,608 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, 63 locations, 25 error locations. UNSAFE Result, 453.9s OverallTime, 43 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -662736704 SDslu, 151036476 SDs, 0 SdLazy, 498261236 SolverSat, 2027509520 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 42.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4908 GetRequests, 3657 SyntacticMatches, 119 SemanticMatches, 1132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 630172 ImplicationChecksByTransitivity, 449.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 75.2s InterpolantComputationTime, 485 NumberOfCodeBlocks, 485 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 423 ConstructedInterpolants, 0 QuantifiedInterpolants, 103843 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 42 InterpolantComputations, 42 PerfectInterpolantSequences, 0/0 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: 1478]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L1135] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L1483] struct A19 a19; [L1455] int ret = - -3; [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); [L1457] a->q = (int *)ldv_malloc(sizeof(int)) [L1458] EXPR a->q VAL [ldv_global_msg_list={9:0}] [L1458] COND FALSE !(!a->q) [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] return malloc(size); [L1440] a->p = (int *)ldv_malloc(sizeof(int)) [L1441] a->p [L1441] COND TRUE a->p [L1442] return 0; [L1460] ret = f19(a) [L1461] COND FALSE !(\read(ret)) [L1451] return __VERIFIER_nondet_int(); [L1464] COND TRUE !g19() [L1447] EXPR a->p VAL [ldv_global_msg_list={9:0}] [L1447] free(a->p) VAL [ldv_global_msg_list={9:0}] [L1447] free(a->p) [L1472] EXPR a->q VAL [ldv_global_msg_list={9:0}] [L1472] free(a->q) VAL [ldv_global_msg_list={9:0}] [L1472] free(a->q) [L1474] return ret; VAL [ldv_global_msg_list={9:0}] [L1484] int ret = probe_unsafe_19(&a19); [L1486] COND TRUE ret==0 [L1478] EXPR a->q VAL [ldv_global_msg_list={9:0}] [L1478] free(a->q) VAL [ldv_global_msg_list={9:0}] [L1478] free(a->q) VAL [ldv_global_msg_list={9:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 336.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 84.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -100.5 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.27 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 317.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. * CodeCheck took 453978.28 ms. Allocated memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.4 MB). Free memory was 1.0 GB in the beginning and 634.4 MB in the end (delta: 374.0 MB). Peak memory consumption was 403.3 MB. Max. memory is 11.5 GB. * Witness Printer took 36.47 ms. Allocated memory is still 1.1 GB. Free memory is still 634.4 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...