./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/freeAlloca.c --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_d15a5b83-b7c3-4a97-9fe2-512cf1220832/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d15a5b83-b7c3-4a97-9fe2-512cf1220832/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d15a5b83-b7c3-4a97-9fe2-512cf1220832/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d15a5b83-b7c3-4a97-9fe2-512cf1220832/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/freeAlloca.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d15a5b83-b7c3-4a97-9fe2-512cf1220832/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d15a5b83-b7c3-4a97-9fe2-512cf1220832/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 bd24d7b29a77a6b0da9f8cbc1fae4e00216bc104 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:26:59,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 02:26:59,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 02:26:59,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 02:26:59,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 02:26:59,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 02:26:59,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 02:26:59,186 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 02:26:59,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 02:26:59,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 02:26:59,189 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 02:26:59,190 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 02:26:59,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 02:26:59,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 02:26:59,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 02:26:59,192 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 02:26:59,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 02:26:59,193 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 02:26:59,195 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 02:26:59,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 02:26:59,197 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 02:26:59,198 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 02:26:59,199 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 02:26:59,199 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 02:26:59,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 02:26:59,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 02:26:59,201 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 02:26:59,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 02:26:59,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 02:26:59,202 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 02:26:59,202 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 02:26:59,203 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 02:26:59,203 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 02:26:59,204 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 02:26:59,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 02:26:59,204 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 02:26:59,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 02:26:59,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 02:26:59,205 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 02:26:59,206 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 02:26:59,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 02:26:59,206 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d15a5b83-b7c3-4a97-9fe2-512cf1220832/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2019-12-01 02:26:59,216 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 02:26:59,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 02:26:59,217 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 02:26:59,217 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 02:26:59,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 02:26:59,217 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 02:26:59,217 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-01 02:26:59,218 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 02:26:59,218 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 02:26:59,218 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 02:26:59,218 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-01 02:26:59,218 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-01 02:26:59,218 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-01 02:26:59,218 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 02:26:59,218 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 02:26:59,219 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 02:26:59,219 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 02:26:59,219 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 02:26:59,219 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 02:26:59,219 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 02:26:59,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 02:26:59,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 02:26:59,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 02:26:59,220 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 02:26:59,220 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 02:26:59,220 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_d15a5b83-b7c3-4a97-9fe2-512cf1220832/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 -> bd24d7b29a77a6b0da9f8cbc1fae4e00216bc104 [2019-12-01 02:26:59,322 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 02:26:59,331 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 02:26:59,333 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 02:26:59,335 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 02:26:59,335 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 02:26:59,335 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d15a5b83-b7c3-4a97-9fe2-512cf1220832/bin/ukojak/../../sv-benchmarks/c/memsafety-ext3/freeAlloca.c [2019-12-01 02:26:59,374 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d15a5b83-b7c3-4a97-9fe2-512cf1220832/bin/ukojak/data/7faa437b4/e30690860eb3465bb1b5a7d729e67213/FLAG1de261fc9 [2019-12-01 02:26:59,777 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 02:26:59,778 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d15a5b83-b7c3-4a97-9fe2-512cf1220832/sv-benchmarks/c/memsafety-ext3/freeAlloca.c [2019-12-01 02:26:59,782 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d15a5b83-b7c3-4a97-9fe2-512cf1220832/bin/ukojak/data/7faa437b4/e30690860eb3465bb1b5a7d729e67213/FLAG1de261fc9 [2019-12-01 02:26:59,790 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d15a5b83-b7c3-4a97-9fe2-512cf1220832/bin/ukojak/data/7faa437b4/e30690860eb3465bb1b5a7d729e67213 [2019-12-01 02:26:59,792 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 02:26:59,793 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 02:26:59,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 02:26:59,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 02:26:59,796 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 02:26:59,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:26:59" (1/1) ... [2019-12-01 02:26:59,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@700ef669 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:26:59, skipping insertion in model container [2019-12-01 02:26:59,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 02:26:59" (1/1) ... [2019-12-01 02:26:59,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 02:26:59,814 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 02:26:59,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 02:26:59,947 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 02:26:59,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 02:26:59,966 INFO L208 MainTranslator]: Completed translation [2019-12-01 02:26:59,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:26:59 WrapperNode [2019-12-01 02:26:59,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 02:26:59,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 02:26:59,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 02:26:59,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 02:26:59,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:26:59" (1/1) ... [2019-12-01 02:26:59,977 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:26:59" (1/1) ... [2019-12-01 02:26:59,989 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 02:26:59,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 02:26:59,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 02:26:59,990 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 02:26:59,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:26:59" (1/1) ... [2019-12-01 02:26:59,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:26:59" (1/1) ... [2019-12-01 02:26:59,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:26:59" (1/1) ... [2019-12-01 02:26:59,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:26:59" (1/1) ... [2019-12-01 02:27:00,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:26:59" (1/1) ... [2019-12-01 02:27:00,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:26:59" (1/1) ... [2019-12-01 02:27:00,003 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:26:59" (1/1) ... [2019-12-01 02:27:00,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 02:27:00,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 02:27:00,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 02:27:00,004 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 02:27:00,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 02:26:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d15a5b83-b7c3-4a97-9fe2-512cf1220832/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 02:27:00,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-01 02:27:00,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 02:27:00,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 02:27:00,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-01 02:27:00,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-01 02:27:00,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-01 02:27:00,188 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 02:27:00,188 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-01 02:27:00,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:27:00 BoogieIcfgContainer [2019-12-01 02:27:00,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 02:27:00,189 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 02:27:00,189 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 02:27:00,196 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 02:27:00,196 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:27:00" (1/1) ... [2019-12-01 02:27:00,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 02:27:00,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:00,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2019-12-01 02:27:00,230 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2019-12-01 02:27:00,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-01 02:27:00,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:00,338 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 02:27:00,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:00,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 18 states and 19 transitions. [2019-12-01 02:27:00,364 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2019-12-01 02:27:00,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-01 02:27:00,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:00,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:00,401 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 02:27:00,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:00,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2019-12-01 02:27:00,493 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2019-12-01 02:27:00,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 02:27:00,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:00,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:00,561 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:00,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:00,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2019-12-01 02:27:00,833 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2019-12-01 02:27:00,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 02:27:00,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:00,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:00,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:00,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2019-12-01 02:27:00,857 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2019-12-01 02:27:00,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 02:27:00,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:00,907 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:01,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:01,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2019-12-01 02:27:01,041 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2019-12-01 02:27:01,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-01 02:27:01,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:01,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:01,111 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:01,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:01,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2019-12-01 02:27:01,446 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2019-12-01 02:27:01,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-01 02:27:01,448 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:01,489 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:01,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:01,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2019-12-01 02:27:01,740 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2019-12-01 02:27:01,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 02:27:01,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:01,795 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:02,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:02,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2019-12-01 02:27:02,126 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2019-12-01 02:27:02,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 02:27:02,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:02,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:02,172 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:02,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:02,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2019-12-01 02:27:02,519 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2019-12-01 02:27:02,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 02:27:02,520 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:02,550 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:02,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:02,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2019-12-01 02:27:02,677 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2019-12-01 02:27:02,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 02:27:02,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:02,738 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:03,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:03,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 35 states and 50 transitions. [2019-12-01 02:27:03,915 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2019-12-01 02:27:03,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 02:27:03,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:03,977 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:04,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:04,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 58 transitions. [2019-12-01 02:27:04,328 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2019-12-01 02:27:04,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 02:27:04,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:04,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:04,403 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:04,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:04,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 62 transitions. [2019-12-01 02:27:04,900 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2019-12-01 02:27:04,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 02:27:04,901 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:04,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:04,959 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:05,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:05,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 41 states and 72 transitions. [2019-12-01 02:27:05,393 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2019-12-01 02:27:05,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 02:27:05,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:05,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:05,405 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:05,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:05,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 42 states and 72 transitions. [2019-12-01 02:27:05,586 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2019-12-01 02:27:05,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 02:27:05,586 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:05,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:05,597 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:05,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:05,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 43 states and 72 transitions. [2019-12-01 02:27:05,793 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 72 transitions. [2019-12-01 02:27:05,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 02:27:05,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:05,806 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:06,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:06,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 72 transitions. [2019-12-01 02:27:06,002 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 72 transitions. [2019-12-01 02:27:06,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-01 02:27:06,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:06,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:06,095 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:06,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:06,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 46 states and 76 transitions. [2019-12-01 02:27:06,730 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 76 transitions. [2019-12-01 02:27:06,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-01 02:27:06,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:06,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:06,793 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:07,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:07,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 48 states and 88 transitions. [2019-12-01 02:27:07,522 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 88 transitions. [2019-12-01 02:27:07,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-01 02:27:07,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:07,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:07,533 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:07,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:07,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 88 transitions. [2019-12-01 02:27:07,744 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 88 transitions. [2019-12-01 02:27:07,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-01 02:27:07,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:07,756 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:07,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:07,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 50 states and 88 transitions. [2019-12-01 02:27:07,975 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 88 transitions. [2019-12-01 02:27:07,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-01 02:27:07,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:07,988 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:08,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:08,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 51 states and 88 transitions. [2019-12-01 02:27:08,201 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 88 transitions. [2019-12-01 02:27:08,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-01 02:27:08,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:08,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:08,214 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:08,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:08,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 52 states and 88 transitions. [2019-12-01 02:27:08,408 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 88 transitions. [2019-12-01 02:27:08,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 02:27:08,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:08,495 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:09,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:09,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 54 states and 92 transitions. [2019-12-01 02:27:09,179 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 92 transitions. [2019-12-01 02:27:09,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 02:27:09,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:09,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:09,262 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:09,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:09,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 56 states and 106 transitions. [2019-12-01 02:27:09,819 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 106 transitions. [2019-12-01 02:27:09,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 02:27:09,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:09,828 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:10,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:10,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 57 states and 106 transitions. [2019-12-01 02:27:10,066 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 106 transitions. [2019-12-01 02:27:10,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 02:27:10,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:10,078 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:10,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:10,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 58 states and 106 transitions. [2019-12-01 02:27:10,322 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 106 transitions. [2019-12-01 02:27:10,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 02:27:10,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:10,332 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:10,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:10,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 59 states and 106 transitions. [2019-12-01 02:27:10,561 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 106 transitions. [2019-12-01 02:27:10,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 02:27:10,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:10,570 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:10,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:10,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 60 states and 106 transitions. [2019-12-01 02:27:10,824 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 106 transitions. [2019-12-01 02:27:10,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 02:27:10,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:10,842 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:11,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:11,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 61 states and 106 transitions. [2019-12-01 02:27:11,224 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 106 transitions. [2019-12-01 02:27:11,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-01 02:27:11,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:11,326 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:13,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:13,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 67 states and 110 transitions. [2019-12-01 02:27:13,252 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 110 transitions. [2019-12-01 02:27:13,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-01 02:27:13,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:13,349 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:14,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:14,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 69 states and 126 transitions. [2019-12-01 02:27:14,317 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 126 transitions. [2019-12-01 02:27:14,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 02:27:14,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:14,443 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:15,850 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-12-01 02:27:16,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:16,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 71 states and 129 transitions. [2019-12-01 02:27:16,728 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 129 transitions. [2019-12-01 02:27:16,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 02:27:16,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:16,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:16,849 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:17,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:17,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 73 states and 138 transitions. [2019-12-01 02:27:17,842 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 138 transitions. [2019-12-01 02:27:17,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 02:27:17,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:17,865 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:18,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:18,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 74 states and 138 transitions. [2019-12-01 02:27:18,537 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 138 transitions. [2019-12-01 02:27:18,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 02:27:18,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:18,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:18,562 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:18,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:18,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 75 states and 138 transitions. [2019-12-01 02:27:18,859 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 138 transitions. [2019-12-01 02:27:18,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 02:27:18,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:18,869 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:19,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:19,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 76 states and 138 transitions. [2019-12-01 02:27:19,389 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 138 transitions. [2019-12-01 02:27:19,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 02:27:19,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:19,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:19,407 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:19,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:19,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 77 states and 138 transitions. [2019-12-01 02:27:19,991 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 138 transitions. [2019-12-01 02:27:19,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 02:27:19,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:19,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:20,008 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:20,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:20,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 78 states and 138 transitions. [2019-12-01 02:27:20,309 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 138 transitions. [2019-12-01 02:27:20,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 02:27:20,309 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:20,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:20,317 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:20,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:20,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 79 states and 138 transitions. [2019-12-01 02:27:20,629 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 138 transitions. [2019-12-01 02:27:20,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 02:27:20,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:20,638 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:21,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:21,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 80 states and 138 transitions. [2019-12-01 02:27:21,297 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 138 transitions. [2019-12-01 02:27:21,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-01 02:27:21,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:21,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:22,038 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 91 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 02:27:23,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:23,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 50 states and 71 transitions. [2019-12-01 02:27:23,994 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2019-12-01 02:27:23,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-01 02:27:23,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:24,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:24,134 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-12-01 02:27:25,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:25,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 37 states and 38 transitions. [2019-12-01 02:27:25,622 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2019-12-01 02:27:25,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-01 02:27:25,622 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:25,634 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-12-01 02:27:25,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:25,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2019-12-01 02:27:25,857 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2019-12-01 02:27:25,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-01 02:27:25,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:25,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:26,007 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-12-01 02:27:26,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:26,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2019-12-01 02:27:26,168 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2019-12-01 02:27:26,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-01 02:27:26,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 02:27:26,479 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-12-01 02:27:33,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 02:27:33,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2019-12-01 02:27:33,539 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2019-12-01 02:27:33,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-01 02:27:33,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 02:27:33,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 02:27:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 02:27:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 02:27:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-01 02:27:33,691 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 47 iterations. [2019-12-01 02:27:33,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 02:27:33 ImpRootNode [2019-12-01 02:27:33,725 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 02:27:33,726 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 02:27:33,726 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 02:27:33,726 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 02:27:33,726 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 02:27:00" (3/4) ... [2019-12-01 02:27:33,728 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-01 02:27:33,769 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d15a5b83-b7c3-4a97-9fe2-512cf1220832/bin/ukojak/witness.graphml [2019-12-01 02:27:33,769 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 02:27:33,770 INFO L168 Benchmark]: Toolchain (without parser) took 33976.96 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 309.3 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -210.0 MB). Peak memory consumption was 99.4 MB. Max. memory is 11.5 GB. [2019-12-01 02:27:33,770 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 02:27:33,771 INFO L168 Benchmark]: CACSL2BoogieTranslator took 173.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -142.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-01 02:27:33,771 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.16 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 02:27:33,771 INFO L168 Benchmark]: Boogie Preprocessor took 14.54 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 02:27:33,772 INFO L168 Benchmark]: RCFGBuilder took 184.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-12-01 02:27:33,772 INFO L168 Benchmark]: CodeCheck took 33536.01 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 218.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -93.4 MB). Peak memory consumption was 125.2 MB. Max. memory is 11.5 GB. [2019-12-01 02:27:33,773 INFO L168 Benchmark]: Witness Printer took 43.37 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2019-12-01 02:27:33,775 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, 19 locations, 8 error locations. Result: UNSAFE, OverallTime: 33.4s, OverallIterations: 47, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 20 SDtfs, 2029568680 SDslu, 20 SDs, 0 SdLazy, -1378867454 SolverSat, -1447320742 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6979 GetRequests, 6109 SyntacticMatches, 486 SemanticMatches, 384 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71647 ImplicationChecksByTransitivity, 30.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 731 NumberOfCodeBlocks, 731 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 659 ConstructedInterpolants, 0 QuantifiedInterpolants, 66147 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 46 InterpolantComputations, 7 PerfectInterpolantSequences, 493/2166 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: 14]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L7] char *p = alloca(10 * sizeof(char)); [L9] int i = 0; [L9] COND TRUE i < 10 [L10] p[i] = __VERIFIER_nondet_char() [L9] i++ [L9] COND TRUE i < 10 [L10] p[i] = __VERIFIER_nondet_char() [L9] i++ [L9] COND TRUE i < 10 [L10] p[i] = __VERIFIER_nondet_char() [L9] i++ [L9] COND TRUE i < 10 [L10] p[i] = __VERIFIER_nondet_char() [L9] i++ [L9] COND TRUE i < 10 [L10] p[i] = __VERIFIER_nondet_char() [L9] i++ [L9] COND TRUE i < 10 [L10] p[i] = __VERIFIER_nondet_char() [L9] i++ [L9] COND TRUE i < 10 [L10] p[i] = __VERIFIER_nondet_char() [L9] i++ [L9] COND TRUE i < 10 [L10] p[i] = __VERIFIER_nondet_char() [L9] i++ [L9] COND TRUE i < 10 [L10] p[i] = __VERIFIER_nondet_char() [L9] i++ [L9] COND TRUE i < 10 [L10] p[i] = __VERIFIER_nondet_char() [L9] i++ [L9] COND FALSE !(i < 10) [L13] EXPR p[2] [L13] COND TRUE p[2] == 'a' [L14] free(p) [L14] free(p) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 173.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -142.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.16 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 14.54 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 184.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * CodeCheck took 33536.01 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 218.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -93.4 MB). Peak memory consumption was 125.2 MB. Max. memory is 11.5 GB. * Witness Printer took 43.37 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...