./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext-properties/test-0158_1-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fece51ad-e0e3-412e-87f3-6185ad71b2a4/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fece51ad-e0e3-412e-87f3-6185ad71b2a4/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fece51ad-e0e3-412e-87f3-6185ad71b2a4/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fece51ad-e0e3-412e-87f3-6185ad71b2a4/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext-properties/test-0158_1-3.i -s /tmp/vcloud-vcloud-master/worker/run_dir_fece51ad-e0e3-412e-87f3-6185ad71b2a4/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fece51ad-e0e3-412e-87f3-6185ad71b2a4/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 816de43cb6e982d6a1f876f61d346a36add599ac ..................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-a4ecdab [2020-11-28 04:44:40,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:44:40,924 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:44:41,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:44:41,011 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:44:41,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:44:41,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:44:41,034 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:44:41,038 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:44:41,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:44:41,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:44:41,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:44:41,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:44:41,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:44:41,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:44:41,058 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:44:41,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:44:41,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:44:41,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:44:41,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:44:41,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:44:41,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:44:41,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:44:41,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:44:41,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:44:41,092 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:44:41,093 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:44:41,094 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:44:41,095 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:44:41,096 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:44:41,097 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:44:41,098 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:44:41,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:44:41,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:44:41,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:44:41,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:44:41,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:44:41,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:44:41,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:44:41,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:44:41,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:44:41,106 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fece51ad-e0e3-412e-87f3-6185ad71b2a4/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2020-11-28 04:44:41,130 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:44:41,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:44:41,132 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:44:41,132 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:44:41,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:44:41,133 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:44:41,133 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 04:44:41,133 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:44:41,133 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:44:41,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:44:41,134 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 04:44:41,134 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 04:44:41,134 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 04:44:41,135 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:44:41,135 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:44:41,135 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:44:41,135 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:44:41,136 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:44:41,136 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:44:41,136 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:44:41,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:44:41,137 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:44:41,137 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:44:41,137 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:44:41,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:44:41,138 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_fece51ad-e0e3-412e-87f3-6185ad71b2a4/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fece51ad-e0e3-412e-87f3-6185ad71b2a4/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 816de43cb6e982d6a1f876f61d346a36add599ac [2020-11-28 04:44:41,446 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:44:41,472 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:44:41,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:44:41,480 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:44:41,480 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:44:41,481 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fece51ad-e0e3-412e-87f3-6185ad71b2a4/bin/ukojak/../../sv-benchmarks/c/list-ext-properties/test-0158_1-3.i [2020-11-28 04:44:41,575 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fece51ad-e0e3-412e-87f3-6185ad71b2a4/bin/ukojak/data/2ab8ac85c/8399164dfe5b487da646428ceb722922/FLAGcd207e5ec [2020-11-28 04:44:42,133 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:44:42,137 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fece51ad-e0e3-412e-87f3-6185ad71b2a4/sv-benchmarks/c/list-ext-properties/test-0158_1-3.i [2020-11-28 04:44:42,166 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fece51ad-e0e3-412e-87f3-6185ad71b2a4/bin/ukojak/data/2ab8ac85c/8399164dfe5b487da646428ceb722922/FLAGcd207e5ec [2020-11-28 04:44:42,412 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fece51ad-e0e3-412e-87f3-6185ad71b2a4/bin/ukojak/data/2ab8ac85c/8399164dfe5b487da646428ceb722922 [2020-11-28 04:44:42,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:44:42,416 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:44:42,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:42,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:44:42,424 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:44:42,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:42" (1/1) ... [2020-11-28 04:44:42,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51725a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:42, skipping insertion in model container [2020-11-28 04:44:42,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:44:42" (1/1) ... [2020-11-28 04:44:42,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:44:42,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:44:42,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:42,828 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:44:42,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:44:42,971 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:44:42,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:42 WrapperNode [2020-11-28 04:44:42,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:44:42,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:42,974 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:44:42,974 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:44:42,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:42" (1/1) ... [2020-11-28 04:44:43,018 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:42" (1/1) ... [2020-11-28 04:44:43,047 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:44:43,049 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:44:43,050 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:44:43,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:44:43,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:42" (1/1) ... [2020-11-28 04:44:43,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:42" (1/1) ... [2020-11-28 04:44:43,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:42" (1/1) ... [2020-11-28 04:44:43,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:42" (1/1) ... [2020-11-28 04:44:43,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:42" (1/1) ... [2020-11-28 04:44:43,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:42" (1/1) ... [2020-11-28 04:44:43,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:42" (1/1) ... [2020-11-28 04:44:43,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:44:43,075 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:44:43,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:44:43,076 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:44:43,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:44:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fece51ad-e0e3-412e-87f3-6185ad71b2a4/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 [2020-11-28 04:44:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 04:44:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 04:44:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-28 04:44:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-28 04:44:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:44:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-28 04:44:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 04:44:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:44:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:44:43,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:44:43,654 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:44:43,654 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-11-28 04:44:43,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:43 BoogieIcfgContainer [2020-11-28 04:44:43,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:44:43,657 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:44:43,657 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:44:43,667 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:44:43,667 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:43" (1/1) ... [2020-11-28 04:44:43,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:44:43,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:43,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 39 states and 40 transitions. [2020-11-28 04:44:43,710 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2020-11-28 04:44:43,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-11-28 04:44:43,713 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:43,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:43,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:43,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 38 states and 39 transitions. [2020-11-28 04:44:43,985 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2020-11-28 04:44:43,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-11-28 04:44:43,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:44,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:44,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:44,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 37 states and 38 transitions. [2020-11-28 04:44:44,183 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2020-11-28 04:44:44,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-28 04:44:44,184 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:44,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:44,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:44,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 36 states and 37 transitions. [2020-11-28 04:44:44,260 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2020-11-28 04:44:44,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-28 04:44:44,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:44,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:44,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:44,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:44,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 35 states and 36 transitions. [2020-11-28 04:44:44,511 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2020-11-28 04:44:44,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 04:44:44,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:44,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:44,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:44,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:44,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 34 states and 35 transitions. [2020-11-28 04:44:44,583 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2020-11-28 04:44:44,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 04:44:44,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:44,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:44,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:44,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2020-11-28 04:44:44,757 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2020-11-28 04:44:44,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 04:44:44,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:44,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:44,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:44,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:44,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 32 states and 33 transitions. [2020-11-28 04:44:44,815 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2020-11-28 04:44:44,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 04:44:44,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:44,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:44,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:44,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:44,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 31 states and 32 transitions. [2020-11-28 04:44:44,891 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2020-11-28 04:44:44,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 04:44:44,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:44,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:44,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:44,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 30 states and 31 transitions. [2020-11-28 04:44:44,942 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2020-11-28 04:44:44,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 04:44:44,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:44,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:44,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:45,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:45,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2020-11-28 04:44:45,157 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2020-11-28 04:44:45,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 04:44:45,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:45,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:45,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:45,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:45,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 28 states and 29 transitions. [2020-11-28 04:44:45,223 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2020-11-28 04:44:45,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 04:44:45,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:45,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:45,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:45,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 29 states and 31 transitions. [2020-11-28 04:44:45,296 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2020-11-28 04:44:45,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 04:44:45,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:45,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:45,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:45,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:45,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 31 states and 33 transitions. [2020-11-28 04:44:45,703 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2020-11-28 04:44:45,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 04:44:45,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:45,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:45,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:45,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:45,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 30 states and 32 transitions. [2020-11-28 04:44:45,781 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2020-11-28 04:44:45,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 04:44:45,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:45,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:45,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:45,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:45,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2020-11-28 04:44:45,851 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2020-11-28 04:44:45,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:44:45,852 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:45,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:46,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:47,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:47,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 29 states and 31 transitions. [2020-11-28 04:44:47,040 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2020-11-28 04:44:47,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 04:44:47,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:47,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:47,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:47,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2020-11-28 04:44:47,718 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2020-11-28 04:44:47,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 04:44:47,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:47,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:47,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:49,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:49,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2020-11-28 04:44:49,821 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2020-11-28 04:44:49,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 04:44:49,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:49,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:50,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:50,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2020-11-28 04:44:50,466 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2020-11-28 04:44:50,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 04:44:50,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:50,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:50,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:53,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:53,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2020-11-28 04:44:53,864 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2020-11-28 04:44:53,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 04:44:53,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:53,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:53,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:54,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:54,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2020-11-28 04:44:54,781 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2020-11-28 04:44:54,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 04:44:54,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:54,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:54,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:57,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:57,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 34 states and 36 transitions. [2020-11-28 04:44:57,746 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2020-11-28 04:44:57,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-28 04:44:57,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:57,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:44:59,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:44:59,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2020-11-28 04:44:59,004 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2020-11-28 04:44:59,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 04:44:59,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:44:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:44:59,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:45:02,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:02,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2020-11-28 04:45:02,946 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2020-11-28 04:45:02,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 04:45:02,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:02,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:02,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:45:04,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:04,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2020-11-28 04:45:04,021 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2020-11-28 04:45:04,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-28 04:45:04,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:04,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:45:04,035 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:45:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:45:04,046 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:45:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:45:04,107 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:45:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:45:04,127 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:45:04,166 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 26 iterations. [2020-11-28 04:45:04,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:45:04 ImpRootNode [2020-11-28 04:45:04,217 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:45:04,217 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:45:04,218 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:45:04,218 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:45:04,218 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:44:43" (3/4) ... [2020-11-28 04:45:04,220 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:45:04,293 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fece51ad-e0e3-412e-87f3-6185ad71b2a4/bin/ukojak/witness.graphml [2020-11-28 04:45:04,293 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:45:04,295 INFO L168 Benchmark]: Toolchain (without parser) took 21877.68 ms. Allocated memory was 81.8 MB in the beginning and 281.0 MB in the end (delta: 199.2 MB). Free memory was 49.9 MB in the beginning and 203.8 MB in the end (delta: -153.9 MB). Peak memory consumption was 45.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:04,296 INFO L168 Benchmark]: CDTParser took 0.62 ms. Allocated memory is still 81.8 MB. Free memory was 43.5 MB in the beginning and 43.5 MB in the end (delta: 34.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:45:04,297 INFO L168 Benchmark]: CACSL2BoogieTranslator took 554.51 ms. Allocated memory is still 81.8 MB. Free memory was 49.7 MB in the beginning and 47.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:04,298 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.37 ms. Allocated memory is still 81.8 MB. Free memory was 47.8 MB in the beginning and 45.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:04,299 INFO L168 Benchmark]: Boogie Preprocessor took 26.08 ms. Allocated memory is still 81.8 MB. Free memory was 45.7 MB in the beginning and 44.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:04,300 INFO L168 Benchmark]: RCFGBuilder took 580.99 ms. Allocated memory was 81.8 MB in the beginning and 107.0 MB in the end (delta: 25.2 MB). Free memory was 44.3 MB in the beginning and 77.6 MB in the end (delta: -33.3 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:04,301 INFO L168 Benchmark]: CodeCheck took 20559.90 ms. Allocated memory was 107.0 MB in the beginning and 281.0 MB in the end (delta: 174.1 MB). Free memory was 77.6 MB in the beginning and 205.9 MB in the end (delta: -128.3 MB). Peak memory consumption was 45.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:04,301 INFO L168 Benchmark]: Witness Printer took 75.84 ms. Allocated memory is still 281.0 MB. Free memory was 205.9 MB in the beginning and 203.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:04,307 INFO L339 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, 39 locations, 21 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 20.4s, OverallIterations: 26, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 10665984 SDtfs, 39665314 SDslu, 10635766 SDs, 0 SdLazy, 254607842 SolverSat, 111958746 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1550 GetRequests, 1294 SyntacticMatches, 22 SemanticMatches, 234 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21204 ImplicationChecksByTransitivity, 18.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 167 ConstructedInterpolants, 0 QuantifiedInterpolants, 7941 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 PerfectInterpolantSequences, 0/0 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: 545]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L526-L533] union { void *p0; struct { char c[2]; int p1; int p2; } str; } data; [L534] data.p0 = malloc(37U) [L535] EXPR data.p0 [L535] void *ptr = data.p0; [L536] COND FALSE !(__VERIFIER_nondet_int()) [L539] data.str.p2 = 30 [L541] EXPR data.str.p2 [L541] COND FALSE !(25 > data.str.p2) [L544] EXPR data.p0 [L544] free(data.p0) [L544] free(data.p0) [L544] free(data.p0) [L545] free(ptr) [L545] free(ptr) [L545] free(ptr) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62 ms. Allocated memory is still 81.8 MB. Free memory was 43.5 MB in the beginning and 43.5 MB in the end (delta: 34.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 554.51 ms. Allocated memory is still 81.8 MB. Free memory was 49.7 MB in the beginning and 47.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 73.37 ms. Allocated memory is still 81.8 MB. Free memory was 47.8 MB in the beginning and 45.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.08 ms. Allocated memory is still 81.8 MB. Free memory was 45.7 MB in the beginning and 44.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 580.99 ms. Allocated memory was 81.8 MB in the beginning and 107.0 MB in the end (delta: 25.2 MB). Free memory was 44.3 MB in the beginning and 77.6 MB in the end (delta: -33.3 MB). Peak memory consumption was 18.5 MB. Max. memory is 16.1 GB. * CodeCheck took 20559.90 ms. Allocated memory was 107.0 MB in the beginning and 281.0 MB in the end (delta: 174.1 MB). Free memory was 77.6 MB in the beginning and 205.9 MB in the end (delta: -128.3 MB). Peak memory consumption was 45.6 MB. Max. memory is 16.1 GB. * Witness Printer took 75.84 ms. Allocated memory is still 281.0 MB. Free memory was 205.9 MB in the beginning and 203.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...