./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 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_99a1f57e-909b-4abe-afbf-5136af5c01e7/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_99a1f57e-909b-4abe-afbf-5136af5c01e7/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_99a1f57e-909b-4abe-afbf-5136af5c01e7/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_99a1f57e-909b-4abe-afbf-5136af5c01e7/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_99a1f57e-909b-4abe-afbf-5136af5c01e7/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_99a1f57e-909b-4abe-afbf-5136af5c01e7/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 0.2.0-69874e2 [2020-12-01 18:08:14,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:08:14,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:08:14,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:08:14,492 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:08:14,498 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:08:14,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:08:14,505 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:08:14,508 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:08:14,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:08:14,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:08:14,519 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:08:14,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:08:14,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:08:14,525 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:08:14,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:08:14,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:08:14,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:08:14,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:08:14,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:08:14,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:08:14,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:08:14,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:08:14,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:08:14,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:08:14,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:08:14,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:08:14,562 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:08:14,562 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:08:14,564 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:08:14,564 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:08:14,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:08:14,568 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:08:14,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:08:14,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:08:14,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:08:14,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:08:14,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:08:14,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:08:14,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:08:14,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:08:14,578 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_99a1f57e-909b-4abe-afbf-5136af5c01e7/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2020-12-01 18:08:14,621 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:08:14,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:08:14,623 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:08:14,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:08:14,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:08:14,624 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:08:14,624 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 18:08:14,625 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:08:14,625 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:08:14,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:08:14,626 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-01 18:08:14,626 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-01 18:08:14,627 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-01 18:08:14,627 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:08:14,627 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:08:14,627 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:08:14,628 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:08:14,628 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:08:14,628 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:08:14,628 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:08:14,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:08:14,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:08:14,629 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:08:14,629 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:08:14,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:08:14,630 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_99a1f57e-909b-4abe-afbf-5136af5c01e7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_99a1f57e-909b-4abe-afbf-5136af5c01e7/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 816de43cb6e982d6a1f876f61d346a36add599ac [2020-12-01 18:08:14,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:08:14,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:08:14,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:08:15,001 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:08:15,001 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:08:15,002 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_99a1f57e-909b-4abe-afbf-5136af5c01e7/bin/ukojak/../../sv-benchmarks/c/list-ext-properties/test-0158_1-3.i [2020-12-01 18:08:15,087 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_99a1f57e-909b-4abe-afbf-5136af5c01e7/bin/ukojak/data/d3c7102e6/e27e184fe3974968a039747ed47933e5/FLAG27cb7872f [2020-12-01 18:08:15,643 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:08:15,644 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_99a1f57e-909b-4abe-afbf-5136af5c01e7/sv-benchmarks/c/list-ext-properties/test-0158_1-3.i [2020-12-01 18:08:15,668 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_99a1f57e-909b-4abe-afbf-5136af5c01e7/bin/ukojak/data/d3c7102e6/e27e184fe3974968a039747ed47933e5/FLAG27cb7872f [2020-12-01 18:08:15,938 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_99a1f57e-909b-4abe-afbf-5136af5c01e7/bin/ukojak/data/d3c7102e6/e27e184fe3974968a039747ed47933e5 [2020-12-01 18:08:15,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:08:15,943 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:08:15,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:08:15,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:08:15,948 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:08:15,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:08:15" (1/1) ... [2020-12-01 18:08:15,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5175e897 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:15, skipping insertion in model container [2020-12-01 18:08:15,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:08:15" (1/1) ... [2020-12-01 18:08:15,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:08:16,036 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:08:16,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:08:16,519 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:08:16,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:08:16,641 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:08:16,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:16 WrapperNode [2020-12-01 18:08:16,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:08:16,645 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:08:16,645 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:08:16,646 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:08:16,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:16" (1/1) ... [2020-12-01 18:08:16,670 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:16" (1/1) ... [2020-12-01 18:08:16,691 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:08:16,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:08:16,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:08:16,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:08:16,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:16" (1/1) ... [2020-12-01 18:08:16,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:16" (1/1) ... [2020-12-01 18:08:16,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:16" (1/1) ... [2020-12-01 18:08:16,706 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:16" (1/1) ... [2020-12-01 18:08:16,714 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:16" (1/1) ... [2020-12-01 18:08:16,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:16" (1/1) ... [2020-12-01 18:08:16,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:16" (1/1) ... [2020-12-01 18:08:16,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:08:16,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:08:16,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:08:16,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:08:16,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:08:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99a1f57e-909b-4abe-afbf-5136af5c01e7/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 [2020-12-01 18:08:16,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 18:08:16,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 18:08:16,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 18:08:16,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-01 18:08:16,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:08:16,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-01 18:08:16,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 18:08:16,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:08:16,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:08:16,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:08:17,303 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:08:17,303 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-01 18:08:17,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:08:17 BoogieIcfgContainer [2020-12-01 18:08:17,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:08:17,306 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:08:17,306 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:08:17,320 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:08:17,320 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:08:17" (1/1) ... [2020-12-01 18:08:17,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:08:17,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:08:17,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 39 states and 40 transitions. [2020-12-01 18:08:17,374 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2020-12-01 18:08:17,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-12-01 18:08:17,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:08:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:08:17,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:08:17,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:08:17,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 38 states and 39 transitions. [2020-12-01 18:08:17,544 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2020-12-01 18:08:17,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-12-01 18:08:17,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:08:17,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:08:17,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:08:17,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:08:17,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 37 states and 38 transitions. [2020-12-01 18:08:17,733 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2020-12-01 18:08:17,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-01 18:08:17,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:08:17,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:08:17,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:08:17,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:08:17,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 36 states and 37 transitions. [2020-12-01 18:08:17,825 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2020-12-01 18:08:17,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-01 18:08:17,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:08:17,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:08:17,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:08:18,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:08:18,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 35 states and 36 transitions. [2020-12-01 18:08:18,019 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2020-12-01 18:08:18,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 18:08:18,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:08:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:08:18,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:08:18,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:08:18,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 34 states and 35 transitions. [2020-12-01 18:08:18,096 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2020-12-01 18:08:18,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 18:08:18,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:08:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:08:18,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:08:18,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:08:18,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2020-12-01 18:08:18,438 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2020-12-01 18:08:18,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 18:08:18,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:08:18,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:08:18,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:08:18,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:08:18,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 32 states and 33 transitions. [2020-12-01 18:08:18,528 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2020-12-01 18:08:18,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 18:08:18,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:08:18,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:08:18,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:08:18,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:08:18,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 31 states and 32 transitions. [2020-12-01 18:08:18,594 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2020-12-01 18:08:18,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 18:08:18,595 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:08:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:08:18,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:08:18,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:08:18,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 30 states and 31 transitions. [2020-12-01 18:08:18,672 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 31 transitions. [2020-12-01 18:08:18,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 18:08:18,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:08:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:08:18,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:08:18,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:08:18,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2020-12-01 18:08:18,897 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2020-12-01 18:08:18,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 18:08:18,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:08:18,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:08:18,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:08:18,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:08:18,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 28 states and 29 transitions. [2020-12-01 18:08:18,970 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2020-12-01 18:08:18,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 18:08:18,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:08:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:08:18,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:08:19,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:08:19,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 29 states and 31 transitions. [2020-12-01 18:08:19,031 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2020-12-01 18:08:19,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 18:08:19,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:08:19,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:08:19,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:08:19,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:08:19,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 31 states and 33 transitions. [2020-12-01 18:08:19,439 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2020-12-01 18:08:19,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 18:08:19,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:08:19,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:08:19,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:08:19,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:08:19,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 30 states and 32 transitions. [2020-12-01 18:08:19,489 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2020-12-01 18:08:19,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 18:08:19,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:08:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:08:19,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:08:19,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:08:19,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2020-12-01 18:08:19,552 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2020-12-01 18:08:19,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:08:19,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:08:19,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:08:19,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:08:20,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:08:20,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 29 states and 31 transitions. [2020-12-01 18:08:20,745 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2020-12-01 18:08:20,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:08:20,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:08:20,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:08:20,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:08:21,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:08:21,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2020-12-01 18:08:21,444 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2020-12-01 18:08:21,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 18:08:21,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:08:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:08:21,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:08:23,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:08:23,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2020-12-01 18:08:23,392 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2020-12-01 18:08:23,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 18:08:23,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:08:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:08:23,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:08:24,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:08:24,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2020-12-01 18:08:24,086 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2020-12-01 18:08:24,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 18:08:24,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:08:24,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:08:24,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:08:27,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:08:27,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2020-12-01 18:08:27,063 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2020-12-01 18:08:27,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 18:08:27,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:08:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:08:27,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:08:28,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:08:28,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2020-12-01 18:08:28,005 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2020-12-01 18:08:28,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:08:28,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:08:28,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:08:28,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:08:30,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:08:30,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 34 states and 36 transitions. [2020-12-01 18:08:30,941 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2020-12-01 18:08:30,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 18:08:30,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:08:30,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:08:30,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:08:31,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:08:31,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2020-12-01 18:08:31,892 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2020-12-01 18:08:31,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:08:31,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:08:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:08:32,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:08:35,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:08:35,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2020-12-01 18:08:35,762 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2020-12-01 18:08:35,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:08:35,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:08:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:08:35,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:08:36,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:08:36,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2020-12-01 18:08:36,901 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2020-12-01 18:08:36,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 18:08:36,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:08:36,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:08:36,914 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:08:36,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:08:36,925 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:08:36,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:08:36,975 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:08:36,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 18:08:36,994 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 18:08:37,211 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 26 iterations. [2020-12-01 18:08:37,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:08:37 ImpRootNode [2020-12-01 18:08:37,260 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:08:37,261 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:08:37,261 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:08:37,261 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:08:37,262 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:08:17" (3/4) ... [2020-12-01 18:08:37,264 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 18:08:37,307 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_99a1f57e-909b-4abe-afbf-5136af5c01e7/bin/ukojak/witness.graphml [2020-12-01 18:08:37,309 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:08:37,312 INFO L168 Benchmark]: Toolchain (without parser) took 21368.69 ms. Allocated memory was 113.2 MB in the beginning and 314.6 MB in the end (delta: 201.3 MB). Free memory was 78.9 MB in the beginning and 191.4 MB in the end (delta: -112.5 MB). Peak memory consumption was 87.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:08:37,315 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 113.2 MB. Free memory was 87.7 MB in the beginning and 87.7 MB in the end (delta: 26.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:08:37,316 INFO L168 Benchmark]: CACSL2BoogieTranslator took 699.61 ms. Allocated memory is still 113.2 MB. Free memory was 78.7 MB in the beginning and 77.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 18:08:37,317 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.08 ms. Allocated memory is still 113.2 MB. Free memory was 77.4 MB in the beginning and 75.9 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:08:37,318 INFO L168 Benchmark]: Boogie Preprocessor took 29.29 ms. Allocated memory is still 113.2 MB. Free memory was 75.9 MB in the beginning and 74.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:08:37,320 INFO L168 Benchmark]: RCFGBuilder took 583.76 ms. Allocated memory is still 113.2 MB. Free memory was 74.7 MB in the beginning and 52.2 MB in the end (delta: 22.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:08:37,321 INFO L168 Benchmark]: CodeCheck took 19954.22 ms. Allocated memory was 113.2 MB in the beginning and 314.6 MB in the end (delta: 201.3 MB). Free memory was 52.2 MB in the beginning and 193.5 MB in the end (delta: -141.3 MB). Peak memory consumption was 60.6 MB. Max. memory is 16.1 GB. [2020-12-01 18:08:37,326 INFO L168 Benchmark]: Witness Printer took 48.75 ms. Allocated memory is still 314.6 MB. Free memory was 193.5 MB in the beginning and 191.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:08:37,330 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: 19.8s, OverallIterations: 26, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 10665984 SDtfs, 40713890 SDslu, 10635766 SDs, 0 SdLazy, 258804770 SolverSat, 113007386 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1593 GetRequests, 1332 SyntacticMatches, 21 SemanticMatches, 240 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22488 ImplicationChecksByTransitivity, 17.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 206 NumberOfCodeBlocks, 206 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 167 ConstructedInterpolants, 0 QuantifiedInterpolants, 7973 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 0.18 ms. Allocated memory is still 113.2 MB. Free memory was 87.7 MB in the beginning and 87.7 MB in the end (delta: 26.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 699.61 ms. Allocated memory is still 113.2 MB. Free memory was 78.7 MB in the beginning and 77.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.08 ms. Allocated memory is still 113.2 MB. Free memory was 77.4 MB in the beginning and 75.9 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.29 ms. Allocated memory is still 113.2 MB. Free memory was 75.9 MB in the beginning and 74.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 583.76 ms. Allocated memory is still 113.2 MB. Free memory was 74.7 MB in the beginning and 52.2 MB in the end (delta: 22.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * CodeCheck took 19954.22 ms. Allocated memory was 113.2 MB in the beginning and 314.6 MB in the end (delta: 201.3 MB). Free memory was 52.2 MB in the beginning and 193.5 MB in the end (delta: -141.3 MB). Peak memory consumption was 60.6 MB. Max. memory is 16.1 GB. * Witness Printer took 48.75 ms. Allocated memory is still 314.6 MB. Free memory was 193.5 MB in the beginning and 191.4 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...