./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_80aaad95-4c67-40e8-93b0-c8d3218acb5b/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_80aaad95-4c67-40e8-93b0-c8d3218acb5b/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_80aaad95-4c67-40e8-93b0-c8d3218acb5b/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_80aaad95-4c67-40e8-93b0-c8d3218acb5b/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c -s /tmp/vcloud-vcloud-master/worker/run_dir_80aaad95-4c67-40e8-93b0-c8d3218acb5b/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_80aaad95-4c67-40e8-93b0-c8d3218acb5b/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4c761fb15c9d367876fc9f1553874e9680fa1668 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-03 10:59:46,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 10:59:46,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 10:59:46,216 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 10:59:46,217 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 10:59:46,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 10:59:46,227 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 10:59:46,234 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 10:59:46,236 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 10:59:46,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 10:59:46,240 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 10:59:46,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 10:59:46,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 10:59:46,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 10:59:46,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 10:59:46,254 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 10:59:46,255 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 10:59:46,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 10:59:46,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 10:59:46,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 10:59:46,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 10:59:46,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 10:59:46,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 10:59:46,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 10:59:46,282 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 10:59:46,284 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 10:59:46,285 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 10:59:46,286 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 10:59:46,286 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 10:59:46,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 10:59:46,287 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 10:59:46,288 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 10:59:46,289 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 10:59:46,290 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 10:59:46,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 10:59:46,291 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 10:59:46,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 10:59:46,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 10:59:46,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 10:59:46,292 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 10:59:46,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 10:59:46,296 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_80aaad95-4c67-40e8-93b0-c8d3218acb5b/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-12-03 10:59:46,338 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 10:59:46,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 10:59:46,340 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-03 10:59:46,340 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-03 10:59:46,341 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-03 10:59:46,341 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-03 10:59:46,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 10:59:46,342 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-03 10:59:46,342 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-03 10:59:46,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 10:59:46,344 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 10:59:46,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 10:59:46,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 10:59:46,344 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-03 10:59:46,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 10:59:46,345 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 10:59:46,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 10:59:46,345 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-03 10:59:46,345 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-03 10:59:46,346 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 10:59:46,346 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-03 10:59:46,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-03 10:59:46,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 10:59:46,347 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 10:59:46,347 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 10:59:46,347 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-03 10:59:46,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-03 10:59:46,347 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 10:59:46,348 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_80aaad95-4c67-40e8-93b0-c8d3218acb5b/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_80aaad95-4c67-40e8-93b0-c8d3218acb5b/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c761fb15c9d367876fc9f1553874e9680fa1668 [2020-12-03 10:59:46,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 10:59:46,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 10:59:46,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 10:59:46,636 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 10:59:46,637 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 10:59:46,638 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_80aaad95-4c67-40e8-93b0-c8d3218acb5b/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c [2020-12-03 10:59:46,722 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_80aaad95-4c67-40e8-93b0-c8d3218acb5b/bin/ukojak/data/650f86051/01b304dbc1154c28a810e53560627cc2/FLAG701c34f67 [2020-12-03 10:59:47,167 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 10:59:47,167 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_80aaad95-4c67-40e8-93b0-c8d3218acb5b/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-wise.c [2020-12-03 10:59:47,173 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_80aaad95-4c67-40e8-93b0-c8d3218acb5b/bin/ukojak/data/650f86051/01b304dbc1154c28a810e53560627cc2/FLAG701c34f67 [2020-12-03 10:59:47,545 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_80aaad95-4c67-40e8-93b0-c8d3218acb5b/bin/ukojak/data/650f86051/01b304dbc1154c28a810e53560627cc2 [2020-12-03 10:59:47,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 10:59:47,548 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 10:59:47,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 10:59:47,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 10:59:47,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 10:59:47,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 10:59:47" (1/1) ... [2020-12-03 10:59:47,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28a66b04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 10:59:47, skipping insertion in model container [2020-12-03 10:59:47,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 10:59:47" (1/1) ... [2020-12-03 10:59:47,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 10:59:47,579 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 10:59:47,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 10:59:47,712 INFO L203 MainTranslator]: Completed pre-run [2020-12-03 10:59:47,729 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 10:59:47,772 INFO L208 MainTranslator]: Completed translation [2020-12-03 10:59:47,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 10:59:47 WrapperNode [2020-12-03 10:59:47,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 10:59:47,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-03 10:59:47,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-03 10:59:47,775 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-03 10:59:47,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 10:59:47" (1/1) ... [2020-12-03 10:59:47,788 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 10:59:47" (1/1) ... [2020-12-03 10:59:47,805 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-03 10:59:47,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-03 10:59:47,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-03 10:59:47,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-03 10:59:47,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 10:59:47" (1/1) ... [2020-12-03 10:59:47,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 10:59:47" (1/1) ... [2020-12-03 10:59:47,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 10:59:47" (1/1) ... [2020-12-03 10:59:47,816 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 10:59:47" (1/1) ... [2020-12-03 10:59:47,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 10:59:47" (1/1) ... [2020-12-03 10:59:47,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 10:59:47" (1/1) ... [2020-12-03 10:59:47,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 10:59:47" (1/1) ... [2020-12-03 10:59:47,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-03 10:59:47,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-03 10:59:47,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-03 10:59:47,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-03 10:59:47,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 10:59:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_80aaad95-4c67-40e8-93b0-c8d3218acb5b/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-03 10:59:47,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-03 10:59:47,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-03 10:59:48,128 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-03 10:59:48,129 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-12-03 10:59:48,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 10:59:48 BoogieIcfgContainer [2020-12-03 10:59:48,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-03 10:59:48,132 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-03 10:59:48,132 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-03 10:59:48,142 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-03 10:59:48,142 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 10:59:48" (1/1) ... [2020-12-03 10:59:48,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 10:59:48,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:48,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2020-12-03 10:59:48,187 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2020-12-03 10:59:48,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-03 10:59:48,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:48,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:48,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 10:59:48,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:48,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2020-12-03 10:59:48,456 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2020-12-03 10:59:48,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-03 10:59:48,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:48,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:48,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 10:59:48,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:48,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 26 states and 32 transitions. [2020-12-03 10:59:48,757 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2020-12-03 10:59:48,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-03 10:59:48,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:48,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 10:59:48,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:48,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2020-12-03 10:59:48,799 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2020-12-03 10:59:48,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-03 10:59:48,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:48,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 10:59:48,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:48,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2020-12-03 10:59:48,848 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2020-12-03 10:59:48,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-03 10:59:48,848 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:48,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:48,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 10:59:49,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:49,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2020-12-03 10:59:49,249 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-12-03 10:59:49,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-03 10:59:49,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:49,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:49,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 10:59:49,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:49,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 35 states and 50 transitions. [2020-12-03 10:59:49,691 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2020-12-03 10:59:49,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-03 10:59:49,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:49,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:49,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 10:59:50,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:50,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2020-12-03 10:59:50,382 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2020-12-03 10:59:50,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-03 10:59:50,383 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:50,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 10:59:51,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:51,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 48 states and 75 transitions. [2020-12-03 10:59:51,772 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 75 transitions. [2020-12-03 10:59:51,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-03 10:59:51,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:51,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 10:59:52,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:52,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 50 states and 79 transitions. [2020-12-03 10:59:52,401 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 79 transitions. [2020-12-03 10:59:52,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-03 10:59:52,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:52,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:52,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 10:59:52,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:52,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 52 states and 83 transitions. [2020-12-03 10:59:52,813 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 83 transitions. [2020-12-03 10:59:52,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-03 10:59:52,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:52,886 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 10:59:53,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:53,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 53 states and 85 transitions. [2020-12-03 10:59:53,350 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 85 transitions. [2020-12-03 10:59:53,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-03 10:59:53,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:53,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 10:59:54,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:54,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 62 states and 108 transitions. [2020-12-03 10:59:54,997 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 108 transitions. [2020-12-03 10:59:54,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-03 10:59:54,998 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:55,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 10:59:55,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:55,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 66 states and 115 transitions. [2020-12-03 10:59:55,659 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 115 transitions. [2020-12-03 10:59:55,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-03 10:59:55,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:55,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 10:59:56,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:56,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 68 states and 117 transitions. [2020-12-03 10:59:56,159 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 117 transitions. [2020-12-03 10:59:56,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-03 10:59:56,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:56,275 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 10:59:56,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:56,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 70 states and 121 transitions. [2020-12-03 10:59:56,755 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 121 transitions. [2020-12-03 10:59:56,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-03 10:59:56,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:56,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:56,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 10:59:57,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:57,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 72 states and 127 transitions. [2020-12-03 10:59:57,515 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 127 transitions. [2020-12-03 10:59:57,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-03 10:59:57,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:57,530 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 10:59:58,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:58,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 71 states and 124 transitions. [2020-12-03 10:59:58,099 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 124 transitions. [2020-12-03 10:59:58,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-03 10:59:58,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:58,201 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 10:59:59,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:59,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 75 states and 132 transitions. [2020-12-03 10:59:59,115 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 132 transitions. [2020-12-03 10:59:59,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-03 10:59:59,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:59,128 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-03 10:59:59,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 10:59:59,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 75 states and 129 transitions. [2020-12-03 10:59:59,351 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 129 transitions. [2020-12-03 10:59:59,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-03 10:59:59,352 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 10:59:59,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 10:59:59,424 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:00:00,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:00:00,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 82 states and 142 transitions. [2020-12-03 11:00:00,731 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 142 transitions. [2020-12-03 11:00:00,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-03 11:00:00,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:00:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:00:00,820 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:00:01,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:00:01,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 84 states and 145 transitions. [2020-12-03 11:00:01,169 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 145 transitions. [2020-12-03 11:00:01,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-03 11:00:01,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:00:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:00:01,255 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:00:02,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:00:02,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 90 states and 153 transitions. [2020-12-03 11:00:02,510 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 153 transitions. [2020-12-03 11:00:02,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-03 11:00:02,511 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:00:02,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:00:02,528 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-03 11:00:02,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:00:02,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 90 states and 152 transitions. [2020-12-03 11:00:02,989 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 152 transitions. [2020-12-03 11:00:02,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-03 11:00:02,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:00:02,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:00:03,083 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:00:03,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:00:03,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 91 states and 155 transitions. [2020-12-03 11:00:03,730 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 155 transitions. [2020-12-03 11:00:03,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-03 11:00:03,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:00:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:00:03,832 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:00:05,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:00:05,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 100 states and 171 transitions. [2020-12-03 11:00:05,453 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 171 transitions. [2020-12-03 11:00:05,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-03 11:00:05,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:00:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:00:05,561 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:00:05,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:00:05,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 100 states and 170 transitions. [2020-12-03 11:00:05,858 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 170 transitions. [2020-12-03 11:00:05,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-03 11:00:05,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:00:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:00:05,966 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:00:06,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:00:06,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 102 states and 176 transitions. [2020-12-03 11:00:06,818 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 176 transitions. [2020-12-03 11:00:06,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-03 11:00:06,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:00:06,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:00:06,934 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:00:07,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:00:07,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 107 states and 183 transitions. [2020-12-03 11:00:07,778 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 183 transitions. [2020-12-03 11:00:07,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-03 11:00:07,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:00:07,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:00:07,798 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 11:00:08,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:00:08,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 110 states and 186 transitions. [2020-12-03 11:00:08,608 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 186 transitions. [2020-12-03 11:00:08,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-03 11:00:08,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:00:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:00:08,638 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-03 11:00:09,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:00:09,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 115 states and 192 transitions. [2020-12-03 11:00:09,594 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 192 transitions. [2020-12-03 11:00:09,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-03 11:00:09,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:00:09,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:00:09,610 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-12-03 11:00:09,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:00:09,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 116 states and 192 transitions. [2020-12-03 11:00:09,893 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 192 transitions. [2020-12-03 11:00:09,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-03 11:00:09,893 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:00:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:00:09,911 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-03 11:00:10,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:00:10,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 117 states and 192 transitions. [2020-12-03 11:00:10,237 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 192 transitions. [2020-12-03 11:00:10,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-03 11:00:10,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-03 11:00:10,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 11:00:10,277 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-03 11:00:11,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-03 11:00:11,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2020-12-03 11:00:11,362 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2020-12-03 11:00:11,362 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-03 11:00:11,362 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2020-12-03 11:00:11,368 INFO L765 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2020-12-03 11:00:11,552 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-03 11:00:11,557 INFO L569 CodeCheckObserver]: Invariant with dag size 9 [2020-12-03 11:00:11,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 11:00:11 ImpRootNode [2020-12-03 11:00:11,564 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-03 11:00:11,565 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-03 11:00:11,565 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-03 11:00:11,565 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-03 11:00:11,566 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 10:59:48" (3/4) ... [2020-12-03 11:00:11,570 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-03 11:00:11,580 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-03 11:00:11,580 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-03 11:00:11,581 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-03 11:00:11,627 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_80aaad95-4c67-40e8-93b0-c8d3218acb5b/bin/ukojak/witness.graphml [2020-12-03 11:00:11,627 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-03 11:00:11,629 INFO L168 Benchmark]: Toolchain (without parser) took 24079.58 ms. Allocated memory was 92.3 MB in the beginning and 356.5 MB in the end (delta: 264.2 MB). Free memory was 59.2 MB in the beginning and 119.5 MB in the end (delta: -60.3 MB). Peak memory consumption was 202.5 MB. Max. memory is 16.1 GB. [2020-12-03 11:00:11,630 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 92.3 MB. Free memory was 64.7 MB in the beginning and 64.7 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 11:00:11,631 INFO L168 Benchmark]: CACSL2BoogieTranslator took 223.17 ms. Allocated memory is still 92.3 MB. Free memory was 59.0 MB in the beginning and 70.8 MB in the end (delta: -11.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-03 11:00:11,631 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.27 ms. Allocated memory is still 92.3 MB. Free memory was 70.8 MB in the beginning and 69.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 11:00:11,632 INFO L168 Benchmark]: Boogie Preprocessor took 18.43 ms. Allocated memory is still 92.3 MB. Free memory was 69.4 MB in the beginning and 68.7 MB in the end (delta: 724.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 11:00:11,633 INFO L168 Benchmark]: RCFGBuilder took 305.77 ms. Allocated memory is still 92.3 MB. Free memory was 68.7 MB in the beginning and 57.3 MB in the end (delta: 11.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-03 11:00:11,633 INFO L168 Benchmark]: CodeCheck took 23432.66 ms. Allocated memory was 92.3 MB in the beginning and 356.5 MB in the end (delta: 264.2 MB). Free memory was 57.3 MB in the beginning and 122.6 MB in the end (delta: -65.3 MB). Peak memory consumption was 200.8 MB. Max. memory is 16.1 GB. [2020-12-03 11:00:11,634 INFO L168 Benchmark]: Witness Printer took 62.61 ms. Allocated memory is still 356.5 MB. Free memory was 122.6 MB in the beginning and 119.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-03 11:00:11,638 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 23 locations, 8 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.2s, OverallIterations: 34, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1366294560 SDtfs, 1131078882 SDslu, 1406140480 SDs, 0 SdLazy, -1783316478 SolverSat, 1393956232 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4610 GetRequests, 4049 SyntacticMatches, 205 SemanticMatches, 356 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65483 ImplicationChecksByTransitivity, 20.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 469 NumberOfCodeBlocks, 469 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 436 ConstructedInterpolants, 0 QuantifiedInterpolants, 23115 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 27 PerfectInterpolantSequences, 146/186 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: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: ((x <= 2147483647 && 0 <= y) && 0 <= x) && y <= 2147483647 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 92.3 MB. Free memory was 64.7 MB in the beginning and 64.7 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 223.17 ms. Allocated memory is still 92.3 MB. Free memory was 59.0 MB in the beginning and 70.8 MB in the end (delta: -11.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 31.27 ms. Allocated memory is still 92.3 MB. Free memory was 70.8 MB in the beginning and 69.4 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.43 ms. Allocated memory is still 92.3 MB. Free memory was 69.4 MB in the beginning and 68.7 MB in the end (delta: 724.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 305.77 ms. Allocated memory is still 92.3 MB. Free memory was 68.7 MB in the beginning and 57.3 MB in the end (delta: 11.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 23432.66 ms. Allocated memory was 92.3 MB in the beginning and 356.5 MB in the end (delta: 264.2 MB). Free memory was 57.3 MB in the beginning and 122.6 MB in the end (delta: -65.3 MB). Peak memory consumption was 200.8 MB. Max. memory is 16.1 GB. * Witness Printer took 62.61 ms. Allocated memory is still 356.5 MB. Free memory was 122.6 MB in the beginning and 119.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...