./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/java_BubbleSort-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b77951db-0550-4cf3-a4b9-493422441eff/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b77951db-0550-4cf3-a4b9-493422441eff/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b77951db-0550-4cf3-a4b9-493422441eff/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b77951db-0550-4cf3-a4b9-493422441eff/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/java_BubbleSort-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_b77951db-0550-4cf3-a4b9-493422441eff/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b77951db-0550-4cf3-a4b9-493422441eff/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 862be090098a4271d6e1a31a6f1302665ccfc795 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-02 06:25:04,281 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 06:25:04,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 06:25:04,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 06:25:04,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 06:25:04,291 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 06:25:04,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 06:25:04,294 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 06:25:04,296 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 06:25:04,296 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 06:25:04,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 06:25:04,298 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 06:25:04,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 06:25:04,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 06:25:04,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 06:25:04,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 06:25:04,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 06:25:04,301 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 06:25:04,303 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 06:25:04,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 06:25:04,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 06:25:04,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 06:25:04,306 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 06:25:04,307 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 06:25:04,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 06:25:04,309 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 06:25:04,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 06:25:04,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 06:25:04,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 06:25:04,310 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 06:25:04,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 06:25:04,311 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 06:25:04,312 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 06:25:04,312 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 06:25:04,313 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 06:25:04,313 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 06:25:04,314 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 06:25:04,314 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 06:25:04,314 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 06:25:04,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 06:25:04,315 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 06:25:04,316 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b77951db-0550-4cf3-a4b9-493422441eff/bin/ukojak/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2019-12-02 06:25:04,328 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 06:25:04,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 06:25:04,329 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 06:25:04,329 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 06:25:04,329 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 06:25:04,329 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-02 06:25:04,329 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-02 06:25:04,330 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 06:25:04,330 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-02 06:25:04,330 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 06:25:04,330 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-12-02 06:25:04,330 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-12-02 06:25:04,330 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-12-02 06:25:04,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 06:25:04,331 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-02 06:25:04,331 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 06:25:04,331 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 06:25:04,331 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 06:25:04,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 06:25:04,331 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 06:25:04,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 06:25:04,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 06:25:04,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 06:25:04,332 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 06:25:04,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 06:25:04,333 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_b77951db-0550-4cf3-a4b9-493422441eff/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 -> 862be090098a4271d6e1a31a6f1302665ccfc795 [2019-12-02 06:25:04,433 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 06:25:04,441 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 06:25:04,443 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 06:25:04,444 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 06:25:04,444 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 06:25:04,445 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b77951db-0550-4cf3-a4b9-493422441eff/bin/ukojak/../../sv-benchmarks/c/array-memsafety/java_BubbleSort-alloca-1.i [2019-12-02 06:25:04,482 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b77951db-0550-4cf3-a4b9-493422441eff/bin/ukojak/data/2f750a1f1/e6806bb1782e4b2e8acf3bd311c73199/FLAGa3e3dfe26 [2019-12-02 06:25:04,944 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 06:25:04,945 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b77951db-0550-4cf3-a4b9-493422441eff/sv-benchmarks/c/array-memsafety/java_BubbleSort-alloca-1.i [2019-12-02 06:25:04,954 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b77951db-0550-4cf3-a4b9-493422441eff/bin/ukojak/data/2f750a1f1/e6806bb1782e4b2e8acf3bd311c73199/FLAGa3e3dfe26 [2019-12-02 06:25:04,964 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b77951db-0550-4cf3-a4b9-493422441eff/bin/ukojak/data/2f750a1f1/e6806bb1782e4b2e8acf3bd311c73199 [2019-12-02 06:25:04,966 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 06:25:04,967 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 06:25:04,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 06:25:04,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 06:25:04,970 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 06:25:04,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:25:04" (1/1) ... [2019-12-02 06:25:04,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3357ba65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:04, skipping insertion in model container [2019-12-02 06:25:04,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:25:04" (1/1) ... [2019-12-02 06:25:04,977 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 06:25:05,000 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 06:25:05,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 06:25:05,205 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 06:25:05,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 06:25:05,261 INFO L208 MainTranslator]: Completed translation [2019-12-02 06:25:05,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:05 WrapperNode [2019-12-02 06:25:05,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 06:25:05,262 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 06:25:05,262 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 06:25:05,263 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 06:25:05,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:05" (1/1) ... [2019-12-02 06:25:05,277 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:05" (1/1) ... [2019-12-02 06:25:05,291 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 06:25:05,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 06:25:05,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 06:25:05,292 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 06:25:05,297 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:05" (1/1) ... [2019-12-02 06:25:05,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:05" (1/1) ... [2019-12-02 06:25:05,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:05" (1/1) ... [2019-12-02 06:25:05,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:05" (1/1) ... [2019-12-02 06:25:05,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:05" (1/1) ... [2019-12-02 06:25:05,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:05" (1/1) ... [2019-12-02 06:25:05,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:05" (1/1) ... [2019-12-02 06:25:05,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 06:25:05,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 06:25:05,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 06:25:05,310 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 06:25:05,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:25:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b77951db-0550-4cf3-a4b9-493422441eff/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 [2019-12-02 06:25:05,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-02 06:25:05,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-02 06:25:05,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-02 06:25:05,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-02 06:25:05,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 06:25:05,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 06:25:05,596 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 06:25:05,597 INFO L287 CfgBuilder]: Removed 9 assume(true) statements. [2019-12-02 06:25:05,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:25:05 BoogieIcfgContainer [2019-12-02 06:25:05,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 06:25:05,598 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 06:25:05,598 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 06:25:05,604 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 06:25:05,605 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:25:05" (1/1) ... [2019-12-02 06:25:05,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 06:25:05,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:05,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 30 states and 33 transitions. [2019-12-02 06:25:05,634 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2019-12-02 06:25:05,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-02 06:25:05,636 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:05,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:05,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:25:05,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:05,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 29 states and 32 transitions. [2019-12-02 06:25:05,754 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2019-12-02 06:25:05,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-02 06:25:05,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:05,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:05,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:25:05,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:05,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2019-12-02 06:25:05,960 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2019-12-02 06:25:05,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-02 06:25:05,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:05,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:05,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:25:06,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:06,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 31 states and 35 transitions. [2019-12-02 06:25:06,099 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2019-12-02 06:25:06,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-02 06:25:06,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:06,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:25:06,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:06,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2019-12-02 06:25:06,564 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2019-12-02 06:25:06,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-12-02 06:25:06,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:06,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:06,660 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-02 06:25:07,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:07,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 48 transitions. [2019-12-02 06:25:07,157 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2019-12-02 06:25:07,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-02 06:25:07,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:07,249 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:25:07,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:07,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2019-12-02 06:25:07,473 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2019-12-02 06:25:07,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-02 06:25:07,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:07,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:25:07,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:07,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 36 states and 47 transitions. [2019-12-02 06:25:07,704 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2019-12-02 06:25:07,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-02 06:25:07,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:07,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:25:09,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:09,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 39 states and 56 transitions. [2019-12-02 06:25:09,307 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2019-12-02 06:25:09,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-02 06:25:09,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:09,490 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:25:10,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:10,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 40 states and 61 transitions. [2019-12-02 06:25:10,100 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 61 transitions. [2019-12-02 06:25:10,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-02 06:25:10,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:10,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:10,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-02 06:25:10,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:10,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 60 transitions. [2019-12-02 06:25:10,125 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2019-12-02 06:25:10,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-02 06:25:10,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:10,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:10,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-02 06:25:11,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:11,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2019-12-02 06:25:11,451 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2019-12-02 06:25:11,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-02 06:25:11,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:11,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:11,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-02 06:25:11,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:11,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 44 states and 74 transitions. [2019-12-02 06:25:11,847 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 74 transitions. [2019-12-02 06:25:11,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-02 06:25:11,848 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:11,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:11,860 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-02 06:25:12,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:12,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 45 states and 74 transitions. [2019-12-02 06:25:12,117 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 74 transitions. [2019-12-02 06:25:12,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-02 06:25:12,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:12,279 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:25:13,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:13,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 46 states and 75 transitions. [2019-12-02 06:25:13,450 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 75 transitions. [2019-12-02 06:25:13,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-02 06:25:13,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:13,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:13,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-02 06:25:13,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:13,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 45 states and 74 transitions. [2019-12-02 06:25:13,485 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 74 transitions. [2019-12-02 06:25:13,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-02 06:25:13,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:13,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-02 06:25:13,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:13,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 47 states and 77 transitions. [2019-12-02 06:25:13,913 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 77 transitions. [2019-12-02 06:25:13,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-02 06:25:13,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:13,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-02 06:25:13,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:13,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 46 states and 76 transitions. [2019-12-02 06:25:13,933 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 76 transitions. [2019-12-02 06:25:13,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-02 06:25:13,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:13,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:14,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-02 06:25:15,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:15,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 45 states and 75 transitions. [2019-12-02 06:25:15,389 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 75 transitions. [2019-12-02 06:25:15,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-02 06:25:15,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:15,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:15,563 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-02 06:25:16,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:16,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 48 states and 89 transitions. [2019-12-02 06:25:16,086 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 89 transitions. [2019-12-02 06:25:16,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-02 06:25:16,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:16,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-02 06:25:16,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:16,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 47 states and 88 transitions. [2019-12-02 06:25:16,103 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 88 transitions. [2019-12-02 06:25:16,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-02 06:25:16,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:16,110 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-02 06:25:16,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:16,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 47 states and 87 transitions. [2019-12-02 06:25:16,281 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 87 transitions. [2019-12-02 06:25:16,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-02 06:25:16,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:16,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-02 06:25:16,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:16,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 46 states and 86 transitions. [2019-12-02 06:25:16,450 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 86 transitions. [2019-12-02 06:25:16,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 06:25:16,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:16,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 06:25:19,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:19,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 54 states and 102 transitions. [2019-12-02 06:25:19,722 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 102 transitions. [2019-12-02 06:25:19,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 06:25:19,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:19,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:19,732 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-02 06:25:19,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:19,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 53 states and 101 transitions. [2019-12-02 06:25:19,747 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 101 transitions. [2019-12-02 06:25:19,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 06:25:19,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:20,344 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 06:25:24,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:24,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 55 states and 107 transitions. [2019-12-02 06:25:24,375 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 107 transitions. [2019-12-02 06:25:24,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-02 06:25:24,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:24,395 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-02 06:25:24,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:24,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 56 states and 108 transitions. [2019-12-02 06:25:24,827 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 108 transitions. [2019-12-02 06:25:24,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-02 06:25:24,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:24,931 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-02 06:25:24,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:24,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 55 states and 107 transitions. [2019-12-02 06:25:24,947 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 107 transitions. [2019-12-02 06:25:24,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-02 06:25:24,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:24,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:24,967 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-02 06:25:28,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:28,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 60 states and 114 transitions. [2019-12-02 06:25:28,480 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 114 transitions. [2019-12-02 06:25:28,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 06:25:28,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:29,023 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-02 06:25:31,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:31,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 63 states and 127 transitions. [2019-12-02 06:25:31,035 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 127 transitions. [2019-12-02 06:25:31,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-02 06:25:31,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:31,360 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-02 06:25:32,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:32,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 67 states and 136 transitions. [2019-12-02 06:25:32,999 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 136 transitions. [2019-12-02 06:25:32,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-02 06:25:32,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:33,011 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-02 06:25:33,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:33,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 67 states and 135 transitions. [2019-12-02 06:25:33,420 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 135 transitions. [2019-12-02 06:25:33,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-02 06:25:33,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:33,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:33,435 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-02 06:25:33,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:33,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 67 states and 134 transitions. [2019-12-02 06:25:33,538 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 134 transitions. [2019-12-02 06:25:33,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-02 06:25:33,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:33,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:33,555 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-02 06:25:33,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:33,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 71 states and 137 transitions. [2019-12-02 06:25:33,588 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 137 transitions. [2019-12-02 06:25:33,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-02 06:25:33,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:33,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:33,611 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-02 06:25:33,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:33,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 75 states and 140 transitions. [2019-12-02 06:25:33,644 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 140 transitions. [2019-12-02 06:25:33,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-02 06:25:33,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:33,663 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-02 06:25:34,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:34,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 77 states and 141 transitions. [2019-12-02 06:25:34,139 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 141 transitions. [2019-12-02 06:25:34,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-12-02 06:25:34,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:34,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:34,869 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-02 06:25:38,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:38,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 81 states and 150 transitions. [2019-12-02 06:25:38,154 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 150 transitions. [2019-12-02 06:25:38,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-02 06:25:38,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:38,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:38,164 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-02 06:25:38,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:38,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 85 states and 153 transitions. [2019-12-02 06:25:38,394 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 153 transitions. [2019-12-02 06:25:38,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-02 06:25:38,394 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:38,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:38,402 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-02 06:25:38,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:38,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 80 states and 142 transitions. [2019-12-02 06:25:38,801 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 142 transitions. [2019-12-02 06:25:38,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-02 06:25:38,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:38,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:39,235 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-02 06:25:40,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:40,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 82 states and 147 transitions. [2019-12-02 06:25:40,792 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 147 transitions. [2019-12-02 06:25:40,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-02 06:25:40,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:40,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:41,870 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-02 06:25:51,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:51,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 94 states and 167 transitions. [2019-12-02 06:25:51,567 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 167 transitions. [2019-12-02 06:25:51,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-02 06:25:51,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:51,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:51,689 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-02 06:25:52,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:52,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 98 states and 170 transitions. [2019-12-02 06:25:52,238 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 170 transitions. [2019-12-02 06:25:52,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-02 06:25:52,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:52,252 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-02 06:25:54,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:25:54,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 104 states and 194 transitions. [2019-12-02 06:25:54,924 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 194 transitions. [2019-12-02 06:25:54,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-02 06:25:54,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:25:54,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:25:56,032 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-02 06:26:02,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:02,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 113 states and 209 transitions. [2019-12-02 06:26:02,948 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 209 transitions. [2019-12-02 06:26:02,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-02 06:26:02,948 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:02,968 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-12-02 06:26:06,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:06,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 121 states and 223 transitions. [2019-12-02 06:26:06,257 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 223 transitions. [2019-12-02 06:26:06,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-02 06:26:06,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:06,598 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 11 proven. 21 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-02 06:26:14,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:14,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 134 states and 255 transitions. [2019-12-02 06:26:14,482 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 255 transitions. [2019-12-02 06:26:14,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-02 06:26:14,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:14,512 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-02 06:26:17,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:17,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 140 states and 263 transitions. [2019-12-02 06:26:17,250 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 263 transitions. [2019-12-02 06:26:17,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-02 06:26:17,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:17,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:19,903 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 14 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-02 06:26:25,334 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2019-12-02 06:26:35,998 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2019-12-02 06:26:39,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:39,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 152 states and 286 transitions. [2019-12-02 06:26:39,682 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 286 transitions. [2019-12-02 06:26:39,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-02 06:26:39,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:39,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:39,711 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-12-02 06:26:40,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:40,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 154 states and 287 transitions. [2019-12-02 06:26:40,488 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 287 transitions. [2019-12-02 06:26:40,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-02 06:26:40,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:40,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:40,626 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 11 proven. 21 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-02 06:26:41,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:41,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 158 states and 291 transitions. [2019-12-02 06:26:41,464 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 291 transitions. [2019-12-02 06:26:41,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-02 06:26:41,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:41,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:41,596 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 11 proven. 21 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-02 06:26:42,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:42,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 160 states and 292 transitions. [2019-12-02 06:26:42,476 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 292 transitions. [2019-12-02 06:26:42,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-02 06:26:42,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:42,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:42,500 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 27 proven. 11 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-02 06:26:44,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:44,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 162 states and 294 transitions. [2019-12-02 06:26:44,016 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 294 transitions. [2019-12-02 06:26:44,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-02 06:26:44,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:44,158 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 15 proven. 14 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-02 06:26:48,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:48,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 167 states and 308 transitions. [2019-12-02 06:26:48,241 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 308 transitions. [2019-12-02 06:26:48,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-02 06:26:48,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:49,267 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 28 proven. 24 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-02 06:26:59,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:59,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 173 states and 318 transitions. [2019-12-02 06:26:59,787 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 318 transitions. [2019-12-02 06:26:59,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-02 06:26:59,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:59,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:59,801 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-12-02 06:26:59,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:59,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 177 states and 321 transitions. [2019-12-02 06:26:59,844 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 321 transitions. [2019-12-02 06:26:59,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-02 06:26:59,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:59,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:26:59,870 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-12-02 06:26:59,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:26:59,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 181 states and 324 transitions. [2019-12-02 06:26:59,925 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 324 transitions. [2019-12-02 06:26:59,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-02 06:26:59,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:26:59,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:27:00,062 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 15 proven. 14 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-02 06:27:00,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:27:00,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 182 states and 325 transitions. [2019-12-02 06:27:00,727 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 325 transitions. [2019-12-02 06:27:00,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-02 06:27:00,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:27:00,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:27:00,874 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 11 proven. 25 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-02 06:27:00,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:27:00,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 186 states and 328 transitions. [2019-12-02 06:27:00,920 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 328 transitions. [2019-12-02 06:27:00,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-02 06:27:00,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:27:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:27:00,939 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 43 proven. 11 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-12-02 06:27:01,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:27:01,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 188 states and 329 transitions. [2019-12-02 06:27:01,731 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 329 transitions. [2019-12-02 06:27:01,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-02 06:27:01,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:27:01,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:27:01,749 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 28 proven. 24 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-02 06:27:02,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:27:02,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 192 states and 332 transitions. [2019-12-02 06:27:02,132 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 332 transitions. [2019-12-02 06:27:02,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-02 06:27:02,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:27:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:27:02,275 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 14 proven. 47 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-02 06:27:06,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:27:06,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 191 states and 327 transitions. [2019-12-02 06:27:06,490 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 327 transitions. [2019-12-02 06:27:06,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-02 06:27:06,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:27:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:27:09,325 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 51 proven. 13 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-12-02 06:27:24,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:27:24,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 205 states and 351 transitions. [2019-12-02 06:27:24,489 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 351 transitions. [2019-12-02 06:27:24,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-02 06:27:24,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:27:24,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:27:26,555 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 48 proven. 10 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-12-02 06:27:34,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:27:34,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 208 states and 355 transitions. [2019-12-02 06:27:34,568 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 355 transitions. [2019-12-02 06:27:34,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-02 06:27:34,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:27:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:27:34,816 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 48 proven. 10 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-12-02 06:27:37,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:27:37,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 211 states and 359 transitions. [2019-12-02 06:27:37,155 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 359 transitions. [2019-12-02 06:27:37,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-02 06:27:37,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:27:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:27:37,283 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 19 proven. 14 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-02 06:27:37,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:27:37,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 215 states and 362 transitions. [2019-12-02 06:27:37,327 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 362 transitions. [2019-12-02 06:27:37,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-02 06:27:37,327 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:27:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:27:37,454 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 14 proven. 46 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-12-02 06:27:38,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:27:38,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 219 states and 365 transitions. [2019-12-02 06:27:38,440 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 365 transitions. [2019-12-02 06:27:38,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-02 06:27:38,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:27:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:27:38,675 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 48 proven. 10 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-12-02 06:27:38,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:27:38,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 223 states and 368 transitions. [2019-12-02 06:27:38,717 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 368 transitions. [2019-12-02 06:27:38,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-02 06:27:38,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 06:27:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 06:27:38,742 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-12-02 06:27:39,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 06:27:39,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 126 states and 172 transitions. [2019-12-02 06:27:39,541 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 172 transitions. [2019-12-02 06:27:39,541 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-02 06:27:39,541 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 68 iterations. [2019-12-02 06:27:39,547 INFO L765 CodeCheckObserver]: All specifications hold 15 specifications checked. All of them hold [2019-12-02 06:27:39,869 WARN L192 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 79 [2019-12-02 06:27:39,987 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2019-12-02 06:27:40,329 WARN L192 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 68 [2019-12-02 06:27:40,445 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2019-12-02 06:27:40,793 WARN L192 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 45 [2019-12-02 06:27:41,177 WARN L192 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 47 [2019-12-02 06:27:41,293 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2019-12-02 06:27:41,396 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 31 [2019-12-02 06:27:41,573 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2019-12-02 06:27:41,834 WARN L192 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 67 [2019-12-02 06:27:41,834 INFO L569 CodeCheckObserver]: Invariant with dag size 33 [2019-12-02 06:27:41,839 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,840 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,840 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,840 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,840 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,840 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,840 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,840 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,845 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,845 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,846 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,846 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,846 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,846 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,846 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,846 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,847 INFO L569 CodeCheckObserver]: Invariant with dag size 47 [2019-12-02 06:27:41,849 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,849 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,849 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,850 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,850 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,850 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,850 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,850 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,850 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,850 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,850 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,851 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,851 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,851 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,851 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,851 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,851 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,851 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,851 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,851 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,852 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,852 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,852 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,852 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,854 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,854 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,854 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,854 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,854 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,854 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,855 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,855 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,855 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,855 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,855 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,855 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,855 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,855 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,855 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,856 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,856 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,856 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,856 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,856 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,856 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,856 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,856 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,856 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,857 INFO L569 CodeCheckObserver]: Invariant with dag size 31 [2019-12-02 06:27:41,858 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,858 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,858 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,858 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,858 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,858 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,859 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,859 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,859 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,859 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,860 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,860 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,860 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,860 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,860 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,860 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,860 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,860 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,860 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,861 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,861 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-12-02 06:27:41,861 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,861 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 06:27:41 ImpRootNode [2019-12-02 06:27:41,861 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 06:27:41,862 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 06:27:41,862 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 06:27:41,862 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 06:27:41,862 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:25:05" (3/4) ... [2019-12-02 06:27:41,865 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-02 06:27:41,871 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2019-12-02 06:27:41,872 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-12-02 06:27:41,872 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-02 06:27:41,889 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((4 <= 4 * array_size + numbers && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]]) && array_size * 4 == unknown-#length-unknown[__builtin_alloca (array_size * sizeof(int))]) && numbers == 0) && 4 <= numbers + 4 * i) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]) && 1 == \valid[numbers]) && numbers == __builtin_alloca (array_size * sizeof(int))) || (((((((\old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]] && i == 0) && array_size * 4 == unknown-#length-unknown[__builtin_alloca (array_size * sizeof(int))]) && numbers == 0) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]) && 1 == \valid[numbers]) && numbers == __builtin_alloca (array_size * sizeof(int))) && 1 <= array_size) [2019-12-02 06:27:41,890 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 == \valid[x] && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]]) && x == 0) && 4 <= unknown-#length-unknown[x]) && 4 * n <= unknown-#length-unknown[x]) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]) && 1 == pass) || (((((1 == \valid[x] && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]]) && x == 0) && 4 <= unknown-#length-unknown[x]) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]) && 4 * n + x + 8 <= unknown-#length-unknown[x] + 4 * pass) [2019-12-02 06:27:41,890 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((1 == \valid[x] && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]]) && i == 0) && x == 0) && 4 * n <= unknown-#length-unknown[x]) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]) && 1 == pass) && pass + 1 <= n) || ((((((1 == \valid[x] && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]]) && i == 0) && x == 0) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]) && 4 * n + x + 8 <= unknown-#length-unknown[x] + 4 * pass) && pass + 1 <= n)) || ((((((1 == \valid[x] && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]]) && x + 4 * i + 4 <= unknown-#length-unknown[x]) && x == 0) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]) && 4 * n + x + 8 <= unknown-#length-unknown[x] + 4 * pass) && 4 <= x + 4 * i)) || (((((((1 == \valid[x] && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]]) && x + 4 * i + 4 <= unknown-#length-unknown[x]) && x == 0) && 4 * n <= unknown-#length-unknown[x]) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]) && 1 == pass) && unknown-#length-unknown[x] + 4 <= 4 * n + x + 4 * i)) || (((((((1 == \valid[x] && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]]) && x == 0) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]) && 4 * n + x + 4 * i < unknown-#length-unknown[x] + 4) && 1 == pass) && 4 <= x + 4 * i) && x + 4 * i + 4 < unknown-#length-unknown[x]) [2019-12-02 06:27:41,890 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid-unknown) == \valid [2019-12-02 06:27:41,905 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b77951db-0550-4cf3-a4b9-493422441eff/bin/ukojak/witness.graphml [2019-12-02 06:27:41,905 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 06:27:41,906 INFO L168 Benchmark]: Toolchain (without parser) took 156940.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 939.9 MB in the beginning and 835.3 MB in the end (delta: 104.6 MB). Peak memory consumption was 229.9 MB. Max. memory is 11.5 GB. [2019-12-02 06:27:41,907 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 956.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 06:27:41,907 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 934.5 MB in the beginning and 1.1 GB in the end (delta: -151.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2019-12-02 06:27:41,907 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.00 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. [2019-12-02 06:27:41,908 INFO L168 Benchmark]: Boogie Preprocessor took 17.69 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-02 06:27:41,908 INFO L168 Benchmark]: RCFGBuilder took 288.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. [2019-12-02 06:27:41,908 INFO L168 Benchmark]: CodeCheck took 156263.66 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 23.6 MB). Free memory was 1.0 GB in the beginning and 843.6 MB in the end (delta: 203.1 MB). Peak memory consumption was 315.9 MB. Max. memory is 11.5 GB. [2019-12-02 06:27:41,908 INFO L168 Benchmark]: Witness Printer took 43.79 ms. Allocated memory is still 1.2 GB. Free memory was 843.6 MB in the beginning and 835.3 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2019-12-02 06:27:41,910 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, 30 locations, 15 error locations. Result: SAFE, OverallTime: 153.9s, OverallIterations: 68, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, -1709502556 SDslu, 41288048 SDs, 0 SdLazy, 1852200240 SolverSat, -564756144 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 67.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14339 GetRequests, 13016 SyntacticMatches, 619 SemanticMatches, 704 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273280 ImplicationChecksByTransitivity, 149.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 17.4s InterpolantComputationTime, 1476 NumberOfCodeBlocks, 1476 NumberOfCodeBlocksAsserted, 67 NumberOfCheckSat, 1409 ConstructedInterpolants, 0 QuantifiedInterpolants, 331557 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 67 InterpolantComputations, 29 PerfectInterpolantSequences, 1278/1703 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 - PositiveResult [Line: 521]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 518]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 530]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 518]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 530]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 518]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 517]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 517]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 518]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 517]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 518]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 518]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 517]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 518]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 518]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - AllSpecificationsHoldResult: All specifications hold 15 specifications checked. All of them hold - InvariantResult [Line: 528]: Loop Invariant [2019-12-02 06:27:41,912 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,912 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,912 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,912 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,912 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,913 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,913 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,913 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,914 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,914 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,914 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,914 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,914 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,914 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,914 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,914 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: (((((((4 <= 4 * array_size + numbers && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]]) && array_size * 4 == unknown-#length-unknown[__builtin_alloca (array_size * sizeof(int))]) && numbers == 0) && 4 <= numbers + 4 * i) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]) && 1 == \valid[numbers]) && numbers == __builtin_alloca (array_size * sizeof(int))) || (((((((\old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]] && i == 0) && array_size * 4 == unknown-#length-unknown[__builtin_alloca (array_size * sizeof(int))]) && numbers == 0) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]) && 1 == \valid[numbers]) && numbers == __builtin_alloca (array_size * sizeof(int))) && 1 <= array_size) - InvariantResult [Line: 516]: Loop Invariant [2019-12-02 06:27:41,916 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,916 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,916 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,916 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,916 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,916 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,916 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,916 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,916 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,917 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,917 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,917 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,917 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,917 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,917 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,917 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,917 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,917 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,917 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,917 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,918 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,918 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,918 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,918 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,921 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,921 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,921 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,921 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,921 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,921 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,921 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,921 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,921 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,921 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,921 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,922 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((((((((((1 == \valid[x] && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]]) && i == 0) && x == 0) && 4 * n <= unknown-#length-unknown[x]) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]) && 1 == pass) && pass + 1 <= n) || ((((((1 == \valid[x] && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]]) && i == 0) && x == 0) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]) && 4 * n + x + 8 <= unknown-#length-unknown[x] + 4 * pass) && pass + 1 <= n)) || ((((((1 == \valid[x] && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]]) && x + 4 * i + 4 <= unknown-#length-unknown[x]) && x == 0) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]) && 4 * n + x + 8 <= unknown-#length-unknown[x] + 4 * pass) && 4 <= x + 4 * i)) || (((((((1 == \valid[x] && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]]) && x + 4 * i + 4 <= unknown-#length-unknown[x]) && x == 0) && 4 * n <= unknown-#length-unknown[x]) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]) && 1 == pass) && unknown-#length-unknown[x] + 4 <= 4 * n + x + 4 * i)) || (((((((1 == \valid[x] && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]]) && x == 0) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]) && 4 * n + x + 4 * i < unknown-#length-unknown[x] + 4) && 1 == pass) && 4 <= x + 4 * i) && x + 4 * i + 4 < unknown-#length-unknown[x]) - InvariantResult [Line: 515]: Loop Invariant [2019-12-02 06:27:41,922 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,923 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,923 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,923 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,923 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,923 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,923 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,923 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,923 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,923 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,924 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,924 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,924 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,924 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,924 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,924 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,924 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,924 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2019-12-02 06:27:41,925 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,925 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((((((1 == \valid[x] && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]]) && x == 0) && 4 <= unknown-#length-unknown[x]) && 4 * n <= unknown-#length-unknown[x]) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]) && 1 == pass) || (((((1 == \valid[x] && \old(unknown-main_\old_#valid-unknown) == \valid[__builtin_alloca (array_size * sizeof(int)) := \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]]) && x == 0) && 4 <= unknown-#length-unknown[x]) && 0 == \old(unknown-main_\old_#valid-unknown)[__builtin_alloca (array_size * sizeof(int))]) && 4 * n + x + 8 <= unknown-#length-unknown[x] + 4 * pass) - InvariantResult [Line: 521]: Loop Invariant [2019-12-02 06:27:41,925 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid [2019-12-02 06:27:41,925 WARN L1295 BoogieBacktranslator]: unknown boogie variable main_old_#valid Derived loop invariant: \old(unknown-main_\old_#valid-unknown) == \valid * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 956.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 294.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 934.5 MB in the beginning and 1.1 GB in the end (delta: -151.2 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.00 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 17.69 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 288.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. * CodeCheck took 156263.66 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 23.6 MB). Free memory was 1.0 GB in the beginning and 843.6 MB in the end (delta: 203.1 MB). Peak memory consumption was 315.9 MB. Max. memory is 11.5 GB. * Witness Printer took 43.79 ms. Allocated memory is still 1.2 GB. Free memory was 843.6 MB in the beginning and 835.3 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid - GenericResult: Unfinished Backtranslation unknown boogie variable main_old_#valid RESULT: Ultimate proved your program to be correct! Received shutdown request...