./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e70d4553-88a6-456a-81b5-da1fdeba73fe/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e70d4553-88a6-456a-81b5-da1fdeba73fe/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e70d4553-88a6-456a-81b5-da1fdeba73fe/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e70d4553-88a6-456a-81b5-da1fdeba73fe/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_e70d4553-88a6-456a-81b5-da1fdeba73fe/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e70d4553-88a6-456a-81b5-da1fdeba73fe/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 098cac8041f427989b0fcb649de06793770da06a ............................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 15:29:46,761 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 15:29:46,762 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 15:29:46,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 15:29:46,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 15:29:46,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 15:29:46,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 15:29:46,775 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 15:29:46,777 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 15:29:46,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 15:29:46,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 15:29:46,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 15:29:46,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 15:29:46,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 15:29:46,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 15:29:46,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 15:29:46,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 15:29:46,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 15:29:46,786 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 15:29:46,788 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 15:29:46,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 15:29:46,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 15:29:46,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 15:29:46,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 15:29:46,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 15:29:46,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 15:29:46,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 15:29:46,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 15:29:46,795 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 15:29:46,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 15:29:46,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 15:29:46,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 15:29:46,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 15:29:46,798 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 15:29:46,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 15:29:46,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 15:29:46,799 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 15:29:46,799 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 15:29:46,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 15:29:46,800 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 15:29:46,801 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 15:29:46,801 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e70d4553-88a6-456a-81b5-da1fdeba73fe/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2019-12-01 15:29:46,812 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 15:29:46,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 15:29:46,813 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 15:29:46,813 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 15:29:46,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 15:29:46,813 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 15:29:46,813 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-01 15:29:46,813 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 15:29:46,813 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 15:29:46,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 15:29:46,814 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-01 15:29:46,814 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-01 15:29:46,814 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-01 15:29:46,814 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 15:29:46,814 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 15:29:46,814 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 15:29:46,815 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 15:29:46,815 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 15:29:46,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 15:29:46,815 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 15:29:46,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 15:29:46,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 15:29:46,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 15:29:46,815 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 15:29:46,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 15:29:46,816 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e70d4553-88a6-456a-81b5-da1fdeba73fe/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 -> 098cac8041f427989b0fcb649de06793770da06a [2019-12-01 15:29:46,928 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 15:29:46,939 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 15:29:46,942 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 15:29:46,943 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 15:29:46,943 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 15:29:46,944 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e70d4553-88a6-456a-81b5-da1fdeba73fe/bin/ukojak/../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_2.i [2019-12-01 15:29:46,988 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e70d4553-88a6-456a-81b5-da1fdeba73fe/bin/ukojak/data/661647867/e689026f91f74bd1a17795e84e11c941/FLAGc183d72c3 [2019-12-01 15:29:47,438 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 15:29:47,439 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e70d4553-88a6-456a-81b5-da1fdeba73fe/sv-benchmarks/c/ldv-memsafety/memleaks_test6_2.i [2019-12-01 15:29:47,448 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e70d4553-88a6-456a-81b5-da1fdeba73fe/bin/ukojak/data/661647867/e689026f91f74bd1a17795e84e11c941/FLAGc183d72c3 [2019-12-01 15:29:47,457 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e70d4553-88a6-456a-81b5-da1fdeba73fe/bin/ukojak/data/661647867/e689026f91f74bd1a17795e84e11c941 [2019-12-01 15:29:47,459 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 15:29:47,460 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 15:29:47,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 15:29:47,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 15:29:47,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 15:29:47,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:29:47" (1/1) ... [2019-12-01 15:29:47,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14dcdfae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:29:47, skipping insertion in model container [2019-12-01 15:29:47,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:29:47" (1/1) ... [2019-12-01 15:29:47,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 15:29:47,505 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 15:29:47,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 15:29:47,790 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 15:29:47,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 15:29:47,890 INFO L208 MainTranslator]: Completed translation [2019-12-01 15:29:47,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:29:47 WrapperNode [2019-12-01 15:29:47,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 15:29:47,891 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 15:29:47,891 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 15:29:47,891 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 15:29:47,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:29:47" (1/1) ... [2019-12-01 15:29:47,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:29:47" (1/1) ... [2019-12-01 15:29:47,929 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 15:29:47,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 15:29:47,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 15:29:47,929 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 15:29:47,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:29:47" (1/1) ... [2019-12-01 15:29:47,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:29:47" (1/1) ... [2019-12-01 15:29:47,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:29:47" (1/1) ... [2019-12-01 15:29:47,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:29:47" (1/1) ... [2019-12-01 15:29:47,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:29:47" (1/1) ... [2019-12-01 15:29:47,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:29:47" (1/1) ... [2019-12-01 15:29:47,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:29:47" (1/1) ... [2019-12-01 15:29:47,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 15:29:47,949 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 15:29:47,949 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 15:29:47,949 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 15:29:47,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:29:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e70d4553-88a6-456a-81b5-da1fdeba73fe/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 15:29:47,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-01 15:29:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-01 15:29:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 15:29:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-01 15:29:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-01 15:29:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-12-01 15:29:47,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 15:29:47,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 15:29:48,237 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 15:29:48,237 INFO L287 CfgBuilder]: Removed 16 assume(true) statements. [2019-12-01 15:29:48,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:29:48 BoogieIcfgContainer [2019-12-01 15:29:48,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 15:29:48,238 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 15:29:48,238 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 15:29:48,245 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 15:29:48,245 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:29:48" (1/1) ... [2019-12-01 15:29:48,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 15:29:48,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:29:48,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 36 states and 39 transitions. [2019-12-01 15:29:48,276 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2019-12-01 15:29:48,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-01 15:29:48,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:29:48,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:29:48,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:29:48,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:29:48,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 37 states and 40 transitions. [2019-12-01 15:29:48,410 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2019-12-01 15:29:48,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 15:29:48,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:29:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:29:48,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:29:48,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:29:48,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 39 states and 42 transitions. [2019-12-01 15:29:48,599 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2019-12-01 15:29:48,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 15:29:48,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:29:48,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:29:48,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:29:48,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:29:48,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 37 states and 40 transitions. [2019-12-01 15:29:48,627 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2019-12-01 15:29:48,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 15:29:48,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:29:48,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:29:48,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:29:48,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:29:48,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 36 states and 39 transitions. [2019-12-01 15:29:48,956 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2019-12-01 15:29:48,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 15:29:48,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:29:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:29:49,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:29:49,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:29:49,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 35 states and 38 transitions. [2019-12-01 15:29:49,519 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2019-12-01 15:29:49,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 15:29:49,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:29:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:29:49,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:29:49,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:29:49,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 37 states and 41 transitions. [2019-12-01 15:29:49,831 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2019-12-01 15:29:49,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 15:29:49,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:29:49,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:29:49,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:29:50,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:29:50,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 40 states and 47 transitions. [2019-12-01 15:29:50,473 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2019-12-01 15:29:50,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 15:29:50,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:29:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:29:50,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:29:51,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:29:51,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 43 states and 53 transitions. [2019-12-01 15:29:51,412 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2019-12-01 15:29:51,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-01 15:29:51,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:29:51,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:29:51,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:29:52,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:29:52,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 46 states and 56 transitions. [2019-12-01 15:29:52,875 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2019-12-01 15:29:52,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-01 15:29:52,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:29:52,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:29:52,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:29:53,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:29:53,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 43 states and 53 transitions. [2019-12-01 15:29:53,004 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2019-12-01 15:29:53,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-01 15:29:53,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:29:53,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:29:53,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:29:53,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:29:53,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 42 states and 52 transitions. [2019-12-01 15:29:53,091 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2019-12-01 15:29:53,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-01 15:29:53,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:29:53,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:29:53,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:29:55,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:29:55,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 46 states and 59 transitions. [2019-12-01 15:29:55,702 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2019-12-01 15:29:55,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-01 15:29:55,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:29:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:29:55,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:29:56,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:29:56,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 42 states and 55 transitions. [2019-12-01 15:29:56,360 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2019-12-01 15:29:56,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-01 15:29:56,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:29:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:29:56,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:29:56,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:29:56,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 41 states and 54 transitions. [2019-12-01 15:29:56,398 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 54 transitions. [2019-12-01 15:29:56,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-01 15:29:56,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:29:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:29:56,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:29:56,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:29:56,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 40 states and 53 transitions. [2019-12-01 15:29:56,846 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2019-12-01 15:29:56,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 15:29:56,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:29:56,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:29:57,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:29:58,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:29:58,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 42 states and 54 transitions. [2019-12-01 15:29:58,309 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 54 transitions. [2019-12-01 15:29:58,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 15:29:58,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:29:58,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:29:58,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:29:59,289 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 33 [2019-12-01 15:30:02,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:30:02,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 45 states and 59 transitions. [2019-12-01 15:30:02,518 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 59 transitions. [2019-12-01 15:30:02,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 15:30:02,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:30:02,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:30:03,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:30:03,772 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2019-12-01 15:30:04,853 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2019-12-01 15:30:09,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:30:09,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 50 states and 65 transitions. [2019-12-01 15:30:09,651 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 65 transitions. [2019-12-01 15:30:09,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 15:30:09,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:30:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:30:09,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:30:11,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:30:11,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 52 states and 66 transitions. [2019-12-01 15:30:11,183 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2019-12-01 15:30:11,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 15:30:11,184 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:30:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:30:11,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:30:17,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:30:17,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 55 states and 70 transitions. [2019-12-01 15:30:17,142 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2019-12-01 15:30:17,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 15:30:17,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:30:17,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:30:17,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:30:18,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:30:18,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 57 states and 71 transitions. [2019-12-01 15:30:18,177 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2019-12-01 15:30:18,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 15:30:18,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:30:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:30:18,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:30:18,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:30:18,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 54 states and 66 transitions. [2019-12-01 15:30:18,640 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2019-12-01 15:30:18,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 15:30:18,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:30:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:30:18,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:30:19,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:30:19,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 43 states and 51 transitions. [2019-12-01 15:30:19,321 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2019-12-01 15:30:19,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 15:30:19,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:30:19,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:30:19,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:30:19,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:30:19,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 36 states and 42 transitions. [2019-12-01 15:30:19,451 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2019-12-01 15:30:19,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 15:30:19,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:30:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:30:19,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:30:25,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:30:25,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 35 states and 41 transitions. [2019-12-01 15:30:25,155 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2019-12-01 15:30:25,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 15:30:25,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:30:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:30:25,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:30:32,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:30:32,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 34 states and 40 transitions. [2019-12-01 15:30:32,033 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2019-12-01 15:30:32,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 15:30:32,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:30:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:30:32,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:30:42,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:30:42,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2019-12-01 15:30:42,516 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2019-12-01 15:30:42,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 15:30:42,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:30:42,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 15:30:43,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 15:30:52,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 15:30:52,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2019-12-01 15:30:52,054 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2019-12-01 15:30:52,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-01 15:30:52,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 15:30:52,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 15:30:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 15:30:52,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 15:30:52,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 15:30:52,118 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 29 iterations. [2019-12-01 15:30:52,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 03:30:52 ImpRootNode [2019-12-01 15:30:52,147 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 15:30:52,148 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 15:30:52,148 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 15:30:52,148 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 15:30:52,148 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:29:48" (3/4) ... [2019-12-01 15:30:52,150 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-01 15:30:52,195 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e70d4553-88a6-456a-81b5-da1fdeba73fe/bin/ukojak/witness.graphml [2019-12-01 15:30:52,195 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 15:30:52,197 INFO L168 Benchmark]: Toolchain (without parser) took 64736.70 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 231.2 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -195.9 MB). Peak memory consumption was 35.3 MB. Max. memory is 11.5 GB. [2019-12-01 15:30:52,197 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 15:30:52,198 INFO L168 Benchmark]: CACSL2BoogieTranslator took 430.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.1 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -110.9 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-12-01 15:30:52,198 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.47 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 15:30:52,198 INFO L168 Benchmark]: Boogie Preprocessor took 19.08 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 15:30:52,199 INFO L168 Benchmark]: RCFGBuilder took 289.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 11.5 GB. [2019-12-01 15:30:52,199 INFO L168 Benchmark]: CodeCheck took 63908.97 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 143.1 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -127.7 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2019-12-01 15:30:52,200 INFO L168 Benchmark]: Witness Printer took 47.81 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 11.5 GB. [2019-12-01 15:30:52,202 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 36 locations, 16 error locations. Result: UNSAFE, OverallTime: 63.8s, OverallIterations: 29, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1031798784 SDtfs, 1906113104 SDslu, -1688585688 SDs, 0 SdLazy, -799100214 SolverSat, 1539960574 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2173 GetRequests, 1675 SyntacticMatches, 58 SemanticMatches, 440 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98717 ImplicationChecksByTransitivity, 61.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 233 NumberOfCodeBlocks, 233 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 191 ConstructedInterpolants, 0 QuantifiedInterpolants, 14835 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 28 InterpolantComputations, 28 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: 782]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L569] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L784] struct A a6; [L764] int ret = - -3; [L526] COND TRUE __VERIFIER_nondet_int() [L527] return malloc(size); [L765] int *p = (int *)ldv_malloc(sizeof(int)); [L766] COND FALSE !(p==0) [L758] return __VERIFIER_nondet_int(); [L768] ret = f6() [L769] COND FALSE !(ret<0) [L761] return __VERIFIER_nondet_int(); [L771] ret = g6() [L772] COND FALSE !(ret<0) VAL [a6={2:0}, ldv_global_msg_list={3:0}] [L774] a->p = p VAL [a6={2:0}, ldv_global_msg_list={3:0}] [L775] free(p) VAL [a6={2:0}, ldv_global_msg_list={3:0}] [L775] free(p) VAL [a6={2:0}, ldv_global_msg_list={3:0}] [L775] free(p) [L776] return 0; VAL [a6={2:0}, ldv_global_msg_list={3:0}] [L786] int ret = probe3_6(&a6); [L787] COND TRUE ret==0 [L782] EXPR a->p VAL [a6={2:0}, ldv_global_msg_list={3:0}] [L782] free(a->p) VAL [a6={2:0}, ldv_global_msg_list={3:0}] [L782] free(a->p) VAL [a6={2:0}, ldv_global_msg_list={3:0}] [L782] free(a->p) VAL [a6={2:0}, ldv_global_msg_list={3:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 430.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.1 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -110.9 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.47 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.08 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 289.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 11.5 GB. * CodeCheck took 63908.97 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 143.1 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -127.7 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * Witness Printer took 47.81 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...