./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/genady.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c82d214d-113e-470d-b120-17a0001655f8/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_c82d214d-113e-470d-b120-17a0001655f8/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c82d214d-113e-470d-b120-17a0001655f8/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c82d214d-113e-470d-b120-17a0001655f8/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/genady.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c82d214d-113e-470d-b120-17a0001655f8/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c82d214d-113e-470d-b120-17a0001655f8/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 6938b5c805400363799492c040263d9022406929 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:56:14,941 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:56:14,944 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:56:14,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:56:15,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:56:15,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:56:15,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:56:15,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:56:15,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:56:15,009 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:56:15,011 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:56:15,012 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:56:15,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:56:15,014 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:56:15,016 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:56:15,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:56:15,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:56:15,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:56:15,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:56:15,025 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:56:15,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:56:15,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:56:15,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:56:15,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:56:15,049 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:56:15,049 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:56:15,050 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:56:15,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:56:15,052 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:56:15,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:56:15,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:56:15,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:56:15,056 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:56:15,057 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:56:15,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:56:15,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:56:15,059 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:56:15,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:56:15,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:56:15,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:56:15,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:56:15,064 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c82d214d-113e-470d-b120-17a0001655f8/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-11-29 23:56:15,089 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:56:15,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:56:15,091 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 23:56:15,091 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 23:56:15,092 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:56:15,092 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:56:15,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:56:15,093 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 23:56:15,093 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:56:15,093 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:56:15,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:56:15,094 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:56:15,094 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:56:15,095 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-29 23:56:15,095 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:56:15,095 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:56:15,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:56:15,096 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 23:56:15,096 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 23:56:15,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:56:15,097 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:56:15,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 23:56:15,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:56:15,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:56:15,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:56:15,098 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 23:56:15,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 23:56:15,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:56:15,099 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_c82d214d-113e-470d-b120-17a0001655f8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_c82d214d-113e-470d-b120-17a0001655f8/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6938b5c805400363799492c040263d9022406929 [2020-11-29 23:56:15,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:56:15,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:56:15,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:56:15,358 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:56:15,359 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:56:15,360 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c82d214d-113e-470d-b120-17a0001655f8/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/genady.c [2020-11-29 23:56:15,458 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c82d214d-113e-470d-b120-17a0001655f8/bin/ukojak/data/cc9c0fac7/bffbf11971b04017a7a1392c83df6518/FLAGfae8cf2de [2020-11-29 23:56:15,988 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:56:15,989 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c82d214d-113e-470d-b120-17a0001655f8/sv-benchmarks/c/termination-crafted-lit/genady.c [2020-11-29 23:56:15,998 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c82d214d-113e-470d-b120-17a0001655f8/bin/ukojak/data/cc9c0fac7/bffbf11971b04017a7a1392c83df6518/FLAGfae8cf2de [2020-11-29 23:56:16,357 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c82d214d-113e-470d-b120-17a0001655f8/bin/ukojak/data/cc9c0fac7/bffbf11971b04017a7a1392c83df6518 [2020-11-29 23:56:16,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:56:16,361 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:56:16,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:56:16,364 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:56:16,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:56:16,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:56:16" (1/1) ... [2020-11-29 23:56:16,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37e8cbae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:16, skipping insertion in model container [2020-11-29 23:56:16,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:56:16" (1/1) ... [2020-11-29 23:56:16,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:56:16,388 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:56:16,575 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:56:16,580 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:56:16,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:56:16,628 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:56:16,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:16 WrapperNode [2020-11-29 23:56:16,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:56:16,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:56:16,630 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:56:16,631 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:56:16,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:16" (1/1) ... [2020-11-29 23:56:16,644 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:16" (1/1) ... [2020-11-29 23:56:16,663 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:56:16,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:56:16,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:56:16,668 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:56:16,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:16" (1/1) ... [2020-11-29 23:56:16,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:16" (1/1) ... [2020-11-29 23:56:16,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:16" (1/1) ... [2020-11-29 23:56:16,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:16" (1/1) ... [2020-11-29 23:56:16,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:16" (1/1) ... [2020-11-29 23:56:16,684 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:16" (1/1) ... [2020-11-29 23:56:16,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:16" (1/1) ... [2020-11-29 23:56:16,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:56:16,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:56:16,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:56:16,693 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:56:16,694 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:56:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c82d214d-113e-470d-b120-17a0001655f8/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 [2020-11-29 23:56:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:56:16,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:56:17,087 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:56:17,087 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-29 23:56:17,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:56:17 BoogieIcfgContainer [2020-11-29 23:56:17,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:56:17,091 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 23:56:17,091 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 23:56:17,102 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 23:56:17,103 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:56:17" (1/1) ... [2020-11-29 23:56:17,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:56:17,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:17,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2020-11-29 23:56:17,161 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2020-11-29 23:56:17,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-11-29 23:56:17,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:17,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:17,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:56:17,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:17,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2020-11-29 23:56:17,386 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2020-11-29 23:56:17,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-11-29 23:56:17,386 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:17,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:56:17,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:17,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2020-11-29 23:56:17,572 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2020-11-29 23:56:17,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-29 23:56:17,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:17,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:56:18,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:18,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2020-11-29 23:56:18,032 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2020-11-29 23:56:18,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-29 23:56:18,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:18,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:18,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:56:18,217 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-11-29 23:56:18,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:18,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2020-11-29 23:56:18,652 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2020-11-29 23:56:18,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-29 23:56:18,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:18,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:18,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:56:19,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:19,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 33 states and 45 transitions. [2020-11-29 23:56:19,016 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-11-29 23:56:19,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-29 23:56:19,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:19,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:19,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:56:19,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:19,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 38 states and 54 transitions. [2020-11-29 23:56:19,440 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2020-11-29 23:56:19,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-29 23:56:19,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:19,514 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:56:19,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:19,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 40 states and 57 transitions. [2020-11-29 23:56:19,832 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2020-11-29 23:56:19,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-29 23:56:19,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:19,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:19,919 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:56:20,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:20,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 45 states and 66 transitions. [2020-11-29 23:56:20,374 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 66 transitions. [2020-11-29 23:56:20,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 23:56:20,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:20,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:56:20,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:20,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 50 states and 77 transitions. [2020-11-29 23:56:20,837 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 77 transitions. [2020-11-29 23:56:20,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 23:56:20,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:20,865 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:56:21,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:21,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 52 states and 79 transitions. [2020-11-29 23:56:21,037 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 79 transitions. [2020-11-29 23:56:21,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-29 23:56:21,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:21,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:21,075 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:56:21,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:21,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 56 states and 82 transitions. [2020-11-29 23:56:21,305 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2020-11-29 23:56:21,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-29 23:56:21,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:21,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:21,363 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:56:21,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:21,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 61 states and 93 transitions. [2020-11-29 23:56:21,802 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 93 transitions. [2020-11-29 23:56:21,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-29 23:56:21,803 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:21,882 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:56:22,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:22,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 64 states and 96 transitions. [2020-11-29 23:56:22,247 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 96 transitions. [2020-11-29 23:56:22,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 23:56:22,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:22,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:22,421 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 23:56:23,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:23,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 69 states and 107 transitions. [2020-11-29 23:56:23,103 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 107 transitions. [2020-11-29 23:56:23,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-11-29 23:56:23,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:23,191 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:56:23,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:23,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 76 states and 123 transitions. [2020-11-29 23:56:23,997 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 123 transitions. [2020-11-29 23:56:23,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-29 23:56:23,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:24,058 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-29 23:56:24,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:24,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 81 states and 136 transitions. [2020-11-29 23:56:24,488 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 136 transitions. [2020-11-29 23:56:24,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 23:56:24,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:24,697 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 23:56:25,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:25,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 85 states and 145 transitions. [2020-11-29 23:56:25,155 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 145 transitions. [2020-11-29 23:56:25,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 23:56:25,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:25,186 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-29 23:56:25,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:25,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 88 states and 151 transitions. [2020-11-29 23:56:25,665 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 151 transitions. [2020-11-29 23:56:25,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-29 23:56:25,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:25,933 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-11-29 23:56:27,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:27,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 95 states and 169 transitions. [2020-11-29 23:56:27,167 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 169 transitions. [2020-11-29 23:56:27,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 23:56:27,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:27,361 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:56:28,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:28,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 101 states and 175 transitions. [2020-11-29 23:56:28,278 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 175 transitions. [2020-11-29 23:56:28,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-29 23:56:28,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:28,345 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:56:28,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:28,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 104 states and 181 transitions. [2020-11-29 23:56:28,823 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 181 transitions. [2020-11-29 23:56:28,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-29 23:56:28,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:29,010 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-11-29 23:56:29,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:29,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 109 states and 195 transitions. [2020-11-29 23:56:29,723 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 195 transitions. [2020-11-29 23:56:29,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-29 23:56:29,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:29,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:29,842 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:56:30,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:30,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 116 states and 215 transitions. [2020-11-29 23:56:30,936 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 215 transitions. [2020-11-29 23:56:30,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-29 23:56:30,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:30,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:30,951 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-29 23:56:31,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:31,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 118 states and 217 transitions. [2020-11-29 23:56:31,169 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 217 transitions. [2020-11-29 23:56:31,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 23:56:31,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:31,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:31,190 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-29 23:56:31,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:31,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 122 states and 221 transitions. [2020-11-29 23:56:31,751 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 221 transitions. [2020-11-29 23:56:31,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-11-29 23:56:31,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:31,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:31,774 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-11-29 23:56:32,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:32,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 126 states and 225 transitions. [2020-11-29 23:56:32,561 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 225 transitions. [2020-11-29 23:56:32,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-11-29 23:56:32,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:32,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:32,847 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:56:33,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:33,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 130 states and 229 transitions. [2020-11-29 23:56:33,725 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 229 transitions. [2020-11-29 23:56:33,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 23:56:33,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:33,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:33,846 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:56:34,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:34,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 137 states and 247 transitions. [2020-11-29 23:56:34,884 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 247 transitions. [2020-11-29 23:56:34,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-29 23:56:34,884 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:34,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:34,910 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:56:35,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:35,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 139 states and 251 transitions. [2020-11-29 23:56:35,327 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 251 transitions. [2020-11-29 23:56:35,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-11-29 23:56:35,328 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:35,342 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-11-29 23:56:35,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:35,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 141 states and 253 transitions. [2020-11-29 23:56:35,685 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 253 transitions. [2020-11-29 23:56:35,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-11-29 23:56:35,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:35,729 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-11-29 23:56:37,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:37,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 149 states and 261 transitions. [2020-11-29 23:56:37,262 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 261 transitions. [2020-11-29 23:56:37,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-11-29 23:56:37,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:37,533 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:56:38,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:38,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 156 states and 268 transitions. [2020-11-29 23:56:38,878 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 268 transitions. [2020-11-29 23:56:38,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-29 23:56:38,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:38,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:39,337 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 54 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:56:40,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:40,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 163 states and 289 transitions. [2020-11-29 23:56:40,834 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 289 transitions. [2020-11-29 23:56:40,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-29 23:56:40,834 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:40,973 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 54 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:56:41,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:41,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 165 states and 292 transitions. [2020-11-29 23:56:41,516 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 292 transitions. [2020-11-29 23:56:41,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-11-29 23:56:41,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:41,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:41,532 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-11-29 23:56:41,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:41,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 167 states and 294 transitions. [2020-11-29 23:56:41,819 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 294 transitions. [2020-11-29 23:56:41,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 23:56:41,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:41,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:41,841 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-11-29 23:56:43,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:43,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 175 states and 306 transitions. [2020-11-29 23:56:43,940 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 306 transitions. [2020-11-29 23:56:43,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-29 23:56:43,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:43,964 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-11-29 23:56:44,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:44,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 177 states and 308 transitions. [2020-11-29 23:56:44,485 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 308 transitions. [2020-11-29 23:56:44,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-29 23:56:44,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:44,900 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:56:46,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:46,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 184 states and 321 transitions. [2020-11-29 23:56:46,936 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 321 transitions. [2020-11-29 23:56:46,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 23:56:46,936 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:46,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:46,953 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 57 proven. 6 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-11-29 23:56:49,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:49,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 191 states and 329 transitions. [2020-11-29 23:56:49,387 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 329 transitions. [2020-11-29 23:56:49,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-29 23:56:49,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:49,408 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 57 proven. 6 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-11-29 23:56:50,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:50,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 193 states and 331 transitions. [2020-11-29 23:56:50,212 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 331 transitions. [2020-11-29 23:56:50,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-29 23:56:50,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:50,634 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 85 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:56:54,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:54,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 203 states and 354 transitions. [2020-11-29 23:56:54,055 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 354 transitions. [2020-11-29 23:56:54,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-29 23:56:54,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:54,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:54,168 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 85 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:56:55,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:55,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 205 states and 355 transitions. [2020-11-29 23:56:55,048 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 355 transitions. [2020-11-29 23:56:55,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-29 23:56:55,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:55,216 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 85 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:56:56,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:56,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 208 states and 358 transitions. [2020-11-29 23:56:56,358 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 358 transitions. [2020-11-29 23:56:56,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-29 23:56:56,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:56,387 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2020-11-29 23:56:56,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:56,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 209 states and 358 transitions. [2020-11-29 23:56:56,944 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 358 transitions. [2020-11-29 23:56:56,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-29 23:56:56,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:57,350 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:56:59,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:56:59,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 212 states and 362 transitions. [2020-11-29 23:56:59,104 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 362 transitions. [2020-11-29 23:56:59,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-29 23:56:59,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:56:59,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:56:59,200 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:00,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:00,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 214 states and 363 transitions. [2020-11-29 23:57:00,339 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 363 transitions. [2020-11-29 23:57:00,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-11-29 23:57:00,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:00,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:00,429 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:01,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:01,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 217 states and 366 transitions. [2020-11-29 23:57:01,424 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 366 transitions. [2020-11-29 23:57:01,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-11-29 23:57:01,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 23:57:01,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:57:01,949 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 123 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:57:02,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 23:57:02,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 48 states and 49 transitions. [2020-11-29 23:57:02,921 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2020-11-29 23:57:02,921 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 23:57:02,921 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 49 iterations. [2020-11-29 23:57:02,928 INFO L765 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2020-11-29 23:57:03,375 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 23:57:03,378 INFO L569 CodeCheckObserver]: Invariant with dag size 49 [2020-11-29 23:57:03,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 11:57:03 ImpRootNode [2020-11-29 23:57:03,393 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 23:57:03,394 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:57:03,394 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:57:03,394 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:57:03,394 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:56:17" (3/4) ... [2020-11-29 23:57:03,397 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 23:57:03,407 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 23:57:03,407 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 23:57:03,407 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:57:03,447 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_c82d214d-113e-470d-b120-17a0001655f8/bin/ukojak/witness.graphml [2020-11-29 23:57:03,447 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:57:03,449 INFO L168 Benchmark]: Toolchain (without parser) took 47087.45 ms. Allocated memory was 90.2 MB in the beginning and 677.4 MB in the end (delta: 587.2 MB). Free memory was 59.1 MB in the beginning and 462.8 MB in the end (delta: -403.6 MB). Peak memory consumption was 183.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:03,450 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 90.2 MB. Free memory was 48.3 MB in the beginning and 48.2 MB in the end (delta: 34.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:57:03,451 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.28 ms. Allocated memory was 90.2 MB in the beginning and 127.9 MB in the end (delta: 37.7 MB). Free memory was 58.9 MB in the beginning and 106.9 MB in the end (delta: -48.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:03,451 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.26 ms. Allocated memory is still 127.9 MB. Free memory was 106.9 MB in the beginning and 105.4 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:57:03,452 INFO L168 Benchmark]: Boogie Preprocessor took 23.87 ms. Allocated memory is still 127.9 MB. Free memory was 105.4 MB in the beginning and 104.8 MB in the end (delta: 621.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:03,453 INFO L168 Benchmark]: RCFGBuilder took 397.96 ms. Allocated memory is still 127.9 MB. Free memory was 104.8 MB in the beginning and 94.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:03,454 INFO L168 Benchmark]: CodeCheck took 46302.59 ms. Allocated memory was 127.9 MB in the beginning and 677.4 MB in the end (delta: 549.5 MB). Free memory was 94.3 MB in the beginning and 465.9 MB in the end (delta: -371.6 MB). Peak memory consumption was 179.9 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:03,454 INFO L168 Benchmark]: Witness Printer took 54.02 ms. Allocated memory is still 677.4 MB. Free memory was 465.9 MB in the beginning and 462.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:57:03,458 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, 16 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 45.7s, OverallIterations: 49, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, -1582700198 SDslu, 0 SDs, 0 SdLazy, -396891254 SolverSat, 1795125508 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 43.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10886 GetRequests, 9366 SyntacticMatches, 976 SemanticMatches, 544 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177101 ImplicationChecksByTransitivity, 41.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 1366 NumberOfCodeBlocks, 1366 NumberOfCodeBlocksAsserted, 48 NumberOfCheckSat, 1318 ConstructedInterpolants, 0 QuantifiedInterpolants, 173408 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 48 InterpolantComputations, 25 PerfectInterpolantSequences, 2183/2746 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: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: ((((((((j + 9999 <= i && 1 <= j) && j <= 1) && i <= j + 9999) || ((i <= 9995 && 10001 <= i + j) && j <= i + 1)) || ((i <= j + 9991 && 10001 <= i + j) && j <= 5)) || (((i + 1 < j && j <= 9996) && 10001 <= i + j) && j <= i + 3)) || ((j + 9997 <= i && i < 10000) && 1 < j)) || ((i <= j + 9995 && 10001 <= i + j) && j <= 3)) || ((j <= 4 && i <= j + 9993) && 10001 <= i + j) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 90.2 MB. Free memory was 48.3 MB in the beginning and 48.2 MB in the end (delta: 34.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 265.28 ms. Allocated memory was 90.2 MB in the beginning and 127.9 MB in the end (delta: 37.7 MB). Free memory was 58.9 MB in the beginning and 106.9 MB in the end (delta: -48.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.26 ms. Allocated memory is still 127.9 MB. Free memory was 106.9 MB in the beginning and 105.4 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.87 ms. Allocated memory is still 127.9 MB. Free memory was 105.4 MB in the beginning and 104.8 MB in the end (delta: 621.6 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 397.96 ms. Allocated memory is still 127.9 MB. Free memory was 104.8 MB in the beginning and 94.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * CodeCheck took 46302.59 ms. Allocated memory was 127.9 MB in the beginning and 677.4 MB in the end (delta: 549.5 MB). Free memory was 94.3 MB in the beginning and 465.9 MB in the end (delta: -371.6 MB). Peak memory consumption was 179.9 MB. Max. memory is 16.1 GB. * Witness Printer took 54.02 ms. Allocated memory is still 677.4 MB. Free memory was 465.9 MB in the beginning and 462.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...