./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 cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_418244d4-130c-4996-b15e-f3ccb4da60ed/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_418244d4-130c-4996-b15e-f3ccb4da60ed/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_418244d4-130c-4996-b15e-f3ccb4da60ed/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_418244d4-130c-4996-b15e-f3ccb4da60ed/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_2.i -s /tmp/vcloud-vcloud-master/worker/working_dir_418244d4-130c-4996-b15e-f3ccb4da60ed/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_418244d4-130c-4996-b15e-f3ccb4da60ed/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 72845188532fe6d4486465eb4d1c3f34d4b417b7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.24-cad4683 [2019-10-22 10:12:19,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:12:19,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:12:19,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:12:19,952 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:12:19,953 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:12:19,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:12:19,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:12:19,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:12:19,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:12:19,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:12:19,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:12:19,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:12:19,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:12:19,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:12:19,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:12:19,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:12:19,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:12:19,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:12:19,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:12:19,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:12:19,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:12:19,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:12:19,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:12:19,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:12:19,972 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:12:19,973 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:12:19,973 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:12:19,974 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:12:19,975 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:12:19,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:12:19,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:12:19,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:12:19,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:12:19,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:12:19,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:12:19,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:12:19,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:12:19,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:12:19,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:12:19,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:12:19,981 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_418244d4-130c-4996-b15e-f3ccb4da60ed/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2019-10-22 10:12:19,992 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:12:19,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:12:19,993 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:12:19,993 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:12:19,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:12:19,993 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:12:19,993 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 10:12:19,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:12:19,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:12:19,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:12:19,994 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 10:12:19,994 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 10:12:19,994 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 10:12:19,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:12:19,995 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:12:19,995 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:12:19,995 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:12:19,995 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:12:19,995 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:12:19,996 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:12:19,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:12:19,996 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:12:19,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:12:19,997 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:12:19,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:12:19,997 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_418244d4-130c-4996-b15e-f3ccb4da60ed/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 -> 72845188532fe6d4486465eb4d1c3f34d4b417b7 [2019-10-22 10:12:20,021 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:12:20,031 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:12:20,034 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:12:20,035 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:12:20,035 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:12:20,036 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_418244d4-130c-4996-b15e-f3ccb4da60ed/bin/ukojak/../../sv-benchmarks/c/ldv-memsafety/memleaks_test6_2.i [2019-10-22 10:12:20,085 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_418244d4-130c-4996-b15e-f3ccb4da60ed/bin/ukojak/data/8c36b81d4/3dc43269644e46caa94eeec0fc24455c/FLAG4bdc079b8 [2019-10-22 10:12:20,501 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:12:20,502 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_418244d4-130c-4996-b15e-f3ccb4da60ed/sv-benchmarks/c/ldv-memsafety/memleaks_test6_2.i [2019-10-22 10:12:20,516 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_418244d4-130c-4996-b15e-f3ccb4da60ed/bin/ukojak/data/8c36b81d4/3dc43269644e46caa94eeec0fc24455c/FLAG4bdc079b8 [2019-10-22 10:12:20,529 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_418244d4-130c-4996-b15e-f3ccb4da60ed/bin/ukojak/data/8c36b81d4/3dc43269644e46caa94eeec0fc24455c [2019-10-22 10:12:20,532 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:12:20,533 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:12:20,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:12:20,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:12:20,538 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:12:20,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:12:20" (1/1) ... [2019-10-22 10:12:20,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49769d3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:20, skipping insertion in model container [2019-10-22 10:12:20,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:12:20" (1/1) ... [2019-10-22 10:12:20,548 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:12:20,593 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:12:21,022 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:12:21,045 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:12:21,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:12:21,198 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:12:21,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:21 WrapperNode [2019-10-22 10:12:21,199 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:12:21,200 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:12:21,200 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:12:21,200 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:12:21,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:21" (1/1) ... [2019-10-22 10:12:21,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:21" (1/1) ... [2019-10-22 10:12:21,258 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:12:21,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:12:21,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:12:21,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:12:21,272 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:21" (1/1) ... [2019-10-22 10:12:21,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:21" (1/1) ... [2019-10-22 10:12:21,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:21" (1/1) ... [2019-10-22 10:12:21,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:21" (1/1) ... [2019-10-22 10:12:21,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:21" (1/1) ... [2019-10-22 10:12:21,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:21" (1/1) ... [2019-10-22 10:12:21,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:21" (1/1) ... [2019-10-22 10:12:21,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:12:21,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:12:21,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:12:21,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:12:21,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:12:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_418244d4-130c-4996-b15e-f3ccb4da60ed/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:12:21,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 10:12:21,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 10:12:21,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 10:12:21,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 10:12:21,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 10:12:21,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-22 10:12:21,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:12:21,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:12:21,909 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:12:21,909 INFO L284 CfgBuilder]: Removed 16 assume(true) statements. [2019-10-22 10:12:21,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:21 BoogieIcfgContainer [2019-10-22 10:12:21,910 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:12:21,911 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:12:21,911 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:12:21,923 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:12:21,923 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:21" (1/1) ... [2019-10-22 10:12:21,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:12:21,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:21,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 36 states and 39 transitions. [2019-10-22 10:12:21,971 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2019-10-22 10:12:21,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-10-22 10:12:21,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:22,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:22,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:22,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 37 states and 40 transitions. [2019-10-22 10:12:22,166 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2019-10-22 10:12:22,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 10:12:22,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:22,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:22,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:22,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 39 states and 42 transitions. [2019-10-22 10:12:22,616 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2019-10-22 10:12:22,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 10:12:22,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:22,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:22,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:22,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:22,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 37 states and 40 transitions. [2019-10-22 10:12:22,667 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2019-10-22 10:12:22,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 10:12:22,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:22,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:23,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:23,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 36 states and 39 transitions. [2019-10-22 10:12:23,194 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2019-10-22 10:12:23,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 10:12:23,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:23,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:23,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:24,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:24,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 35 states and 38 transitions. [2019-10-22 10:12:24,094 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2019-10-22 10:12:24,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 10:12:24,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:24,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:24,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:24,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 37 states and 41 transitions. [2019-10-22 10:12:24,608 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2019-10-22 10:12:24,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 10:12:24,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:24,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:25,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:25,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 40 states and 47 transitions. [2019-10-22 10:12:25,172 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2019-10-22 10:12:25,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 10:12:25,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:25,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:25,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:25,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:25,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 43 states and 53 transitions. [2019-10-22 10:12:25,999 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2019-10-22 10:12:25,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:12:25,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:26,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:26,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:26,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 46 states and 56 transitions. [2019-10-22 10:12:26,997 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2019-10-22 10:12:26,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:12:26,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:27,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:27,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:27,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:27,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 43 states and 53 transitions. [2019-10-22 10:12:27,134 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2019-10-22 10:12:27,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:12:27,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:27,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:27,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:27,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:27,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 42 states and 52 transitions. [2019-10-22 10:12:27,249 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2019-10-22 10:12:27,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:12:27,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:27,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:28,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:28,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 46 states and 59 transitions. [2019-10-22 10:12:28,388 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2019-10-22 10:12:28,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 10:12:28,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:28,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:28,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:29,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:29,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 42 states and 55 transitions. [2019-10-22 10:12:29,216 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2019-10-22 10:12:29,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 10:12:29,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:29,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:29,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:29,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 41 states and 54 transitions. [2019-10-22 10:12:29,269 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 54 transitions. [2019-10-22 10:12:29,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 10:12:29,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:29,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:29,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:29,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 40 states and 53 transitions. [2019-10-22 10:12:29,781 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2019-10-22 10:12:29,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 10:12:29,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:29,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:30,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:31,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:31,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 43 states and 57 transitions. [2019-10-22 10:12:31,518 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2019-10-22 10:12:31,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 10:12:31,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:31,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:33,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:33,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 46 states and 61 transitions. [2019-10-22 10:12:33,030 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2019-10-22 10:12:33,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 10:12:33,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:33,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:34,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:34,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 48 states and 64 transitions. [2019-10-22 10:12:34,450 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 64 transitions. [2019-10-22 10:12:34,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 10:12:34,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:34,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:34,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:34,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 50 states and 65 transitions. [2019-10-22 10:12:34,953 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 65 transitions. [2019-10-22 10:12:34,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 10:12:34,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:35,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:35,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:35,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 52 states and 66 transitions. [2019-10-22 10:12:35,622 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2019-10-22 10:12:35,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:12:35,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:36,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:38,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:38,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 55 states and 70 transitions. [2019-10-22 10:12:38,596 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2019-10-22 10:12:38,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:12:38,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:38,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:38,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:39,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:39,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 57 states and 71 transitions. [2019-10-22 10:12:39,353 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2019-10-22 10:12:39,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:12:39,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:39,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:40,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:40,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 50 states and 61 transitions. [2019-10-22 10:12:40,318 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 61 transitions. [2019-10-22 10:12:40,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 10:12:40,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:40,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:40,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:40,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 43 states and 51 transitions. [2019-10-22 10:12:40,628 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2019-10-22 10:12:40,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:12:40,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:40,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:40,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:40,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:40,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 36 states and 42 transitions. [2019-10-22 10:12:40,824 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2019-10-22 10:12:40,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:12:40,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:41,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:44,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:44,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 35 states and 41 transitions. [2019-10-22 10:12:44,512 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2019-10-22 10:12:44,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 10:12:44,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:44,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:44,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:48,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:48,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 34 states and 40 transitions. [2019-10-22 10:12:48,366 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 40 transitions. [2019-10-22 10:12:48,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 10:12:48,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:49,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:52,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:52,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2019-10-22 10:12:52,438 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2019-10-22 10:12:52,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 10:12:52,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:12:53,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:12:57,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:12:57,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2019-10-22 10:12:57,903 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2019-10-22 10:12:57,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 10:12:57,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:12:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:12:57,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:12:57,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:12:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 10:12:58,005 WARN L489 CodeCheckObserver]: This program is UNSAFE, Check terminated with 30 iterations. [2019-10-22 10:12:58,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:12:58 ImpRootNode [2019-10-22 10:12:58,067 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:12:58,068 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:12:58,068 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:12:58,068 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:12:58,076 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:12:21" (3/4) ... [2019-10-22 10:12:58,079 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 10:12:58,156 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_418244d4-130c-4996-b15e-f3ccb4da60ed/bin/ukojak/witness.graphml [2019-10-22 10:12:58,156 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:12:58,158 INFO L168 Benchmark]: Toolchain (without parser) took 37625.06 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 649.6 MB). Free memory was 940.4 MB in the beginning and 1.3 GB in the end (delta: -392.4 MB). Peak memory consumption was 257.2 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:58,159 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:12:58,159 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 188.2 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -209.3 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:58,159 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:58,160 INFO L168 Benchmark]: Boogie Preprocessor took 49.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:58,160 INFO L168 Benchmark]: RCFGBuilder took 599.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:58,161 INFO L168 Benchmark]: CodeCheck took 36156.53 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 461.4 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -229.1 MB). Peak memory consumption was 232.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:58,161 INFO L168 Benchmark]: Witness Printer took 88.93 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. [2019-10-22 10:12:58,164 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: 36.0s, OverallIterations: 30, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 2063597568 SDtfs, -470164912 SDslu, 918260712 SDs, 0 SdLazy, -1493140630 SolverSat, -1269637322 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2310 GetRequests, 1817 SyntacticMatches, 61 SemanticMatches, 432 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95362 ImplicationChecksByTransitivity, 34.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 242 NumberOfCodeBlocks, 242 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 199 ConstructedInterpolants, 0 QuantifiedInterpolants, 15411 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 29 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: 783]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L570] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; [L785] struct A a6; [L765] int ret = - -3; [L527] COND TRUE __VERIFIER_nondet_int() [L528] return malloc(size); [L766] int *p = (int *)ldv_malloc(sizeof(int)); [L767] COND FALSE !(p==0) [L759] return __VERIFIER_nondet_int(); [L769] ret = f6() [L770] COND FALSE !(ret<0) [L762] return __VERIFIER_nondet_int(); [L772] ret = g6() [L773] COND FALSE !(ret<0) VAL [a6={-4:0}, ldv_global_msg_list={-3:0}] [L775] a->p = p VAL [a6={-4:0}, ldv_global_msg_list={-3:0}] [L776] free(p) VAL [a6={-4:0}, ldv_global_msg_list={-3:0}] [L776] free(p) VAL [a6={-4:0}, ldv_global_msg_list={-3:0}] [L776] free(p) [L777] return 0; VAL [a6={-4:0}, ldv_global_msg_list={-3:0}] [L787] int ret = probe3_6(&a6); [L788] COND TRUE ret==0 [L783] EXPR a->p VAL [a6={-4:0}, ldv_global_msg_list={-3:0}] [L783] free(a->p) VAL [a6={-4:0}, ldv_global_msg_list={-3:0}] [L783] free(a->p) VAL [a6={-4:0}, ldv_global_msg_list={-3:0}] [L783] free(a->p) VAL [a6={-4:0}, ldv_global_msg_list={-3:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 665.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 188.2 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -209.3 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 61.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 599.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. * CodeCheck took 36156.53 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 461.4 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -229.1 MB). Peak memory consumption was 232.3 MB. Max. memory is 11.5 GB. * Witness Printer took 88.93 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...