./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 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_89bcba91-9f25-4bb2-a14b-97de986f9bd8/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_89bcba91-9f25-4bb2-a14b-97de986f9bd8/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_89bcba91-9f25-4bb2-a14b-97de986f9bd8/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_89bcba91-9f25-4bb2-a14b-97de986f9bd8/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/genady.c -s /tmp/vcloud-vcloud-master/worker/run_dir_89bcba91-9f25-4bb2-a14b-97de986f9bd8/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_89bcba91-9f25-4bb2-a14b-97de986f9bd8/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 0.2.0-69874e2 [2020-12-01 17:51:19,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:51:19,253 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:51:19,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:51:19,329 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:51:19,335 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:51:19,340 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:51:19,345 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:51:19,349 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:51:19,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:51:19,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:51:19,360 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:51:19,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:51:19,365 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:51:19,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:51:19,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:51:19,371 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:51:19,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:51:19,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:51:19,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:51:19,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:51:19,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:51:19,400 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:51:19,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:51:19,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:51:19,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:51:19,413 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:51:19,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:51:19,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:51:19,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:51:19,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:51:19,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:51:19,423 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:51:19,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:51:19,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:51:19,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:51:19,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:51:19,428 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:51:19,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:51:19,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:51:19,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:51:19,435 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_89bcba91-9f25-4bb2-a14b-97de986f9bd8/bin/ukojak/config/svcomp-Overflow-64bit-Kojak_Default.epf [2020-12-01 17:51:19,480 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:51:19,481 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:51:19,482 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:51:19,483 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:51:19,484 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:51:19,484 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:51:19,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:51:19,485 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 17:51:19,485 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:51:19,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:51:19,487 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:51:19,487 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:51:19,487 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:51:19,488 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-12-01 17:51:19,488 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:51:19,488 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:51:19,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:51:19,489 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:51:19,489 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:51:19,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:51:19,491 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:51:19,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:51:19,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:51:19,500 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:51:19,500 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:51:19,501 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:51:19,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:51:19,502 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:51:19,502 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_89bcba91-9f25-4bb2-a14b-97de986f9bd8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_89bcba91-9f25-4bb2-a14b-97de986f9bd8/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6938b5c805400363799492c040263d9022406929 [2020-12-01 17:51:19,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:51:19,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:51:19,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:51:19,874 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:51:19,875 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:51:19,876 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_89bcba91-9f25-4bb2-a14b-97de986f9bd8/bin/ukojak/../../sv-benchmarks/c/termination-crafted-lit/genady.c [2020-12-01 17:51:19,969 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_89bcba91-9f25-4bb2-a14b-97de986f9bd8/bin/ukojak/data/88211d800/f8795ea0c096402ca375b3b378d08a2b/FLAG18eee5e25 [2020-12-01 17:51:20,665 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:51:20,669 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_89bcba91-9f25-4bb2-a14b-97de986f9bd8/sv-benchmarks/c/termination-crafted-lit/genady.c [2020-12-01 17:51:20,684 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_89bcba91-9f25-4bb2-a14b-97de986f9bd8/bin/ukojak/data/88211d800/f8795ea0c096402ca375b3b378d08a2b/FLAG18eee5e25 [2020-12-01 17:51:21,036 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_89bcba91-9f25-4bb2-a14b-97de986f9bd8/bin/ukojak/data/88211d800/f8795ea0c096402ca375b3b378d08a2b [2020-12-01 17:51:21,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:51:21,041 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:51:21,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:51:21,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:51:21,047 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:51:21,048 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:51:21" (1/1) ... [2020-12-01 17:51:21,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@474f0fd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:51:21, skipping insertion in model container [2020-12-01 17:51:21,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:51:21" (1/1) ... [2020-12-01 17:51:21,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:51:21,074 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:51:21,261 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:51:21,280 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:51:21,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:51:21,312 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:51:21,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:51:21 WrapperNode [2020-12-01 17:51:21,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:51:21,315 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:51:21,315 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:51:21,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:51:21,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:51:21" (1/1) ... [2020-12-01 17:51:21,331 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:51:21" (1/1) ... [2020-12-01 17:51:21,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:51:21,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:51:21,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:51:21,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:51:21,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:51:21" (1/1) ... [2020-12-01 17:51:21,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:51:21" (1/1) ... [2020-12-01 17:51:21,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:51:21" (1/1) ... [2020-12-01 17:51:21,365 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:51:21" (1/1) ... [2020-12-01 17:51:21,367 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:51:21" (1/1) ... [2020-12-01 17:51:21,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:51:21" (1/1) ... [2020-12-01 17:51:21,373 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:51:21" (1/1) ... [2020-12-01 17:51:21,375 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:51:21,376 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:51:21,377 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:51:21,377 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:51:21,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:51:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_89bcba91-9f25-4bb2-a14b-97de986f9bd8/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 [2020-12-01 17:51:21,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:51:21,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:51:21,768 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:51:21,769 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-12-01 17:51:21,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:51:21 BoogieIcfgContainer [2020-12-01 17:51:21,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:51:21,778 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:51:21,778 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:51:21,792 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:51:21,792 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:51:21" (1/1) ... [2020-12-01 17:51:21,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:51:21,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:21,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2020-12-01 17:51:21,867 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2020-12-01 17:51:21,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2020-12-01 17:51:21,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:22,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:51:22,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:22,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2020-12-01 17:51:22,142 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2020-12-01 17:51:22,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2020-12-01 17:51:22,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:22,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:51:22,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:22,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 21 transitions. [2020-12-01 17:51:22,444 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2020-12-01 17:51:22,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 17:51:22,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:22,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:22,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:51:22,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:22,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2020-12-01 17:51:22,899 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2020-12-01 17:51:22,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 17:51:22,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:22,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:51:23,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:23,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2020-12-01 17:51:23,416 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2020-12-01 17:51:23,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 17:51:23,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:23,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:51:23,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:23,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 33 states and 45 transitions. [2020-12-01 17:51:23,817 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2020-12-01 17:51:23,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:51:23,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:23,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:23,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:51:24,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:24,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 38 states and 54 transitions. [2020-12-01 17:51:24,285 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2020-12-01 17:51:24,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:51:24,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:24,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:51:24,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:24,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 40 states and 57 transitions. [2020-12-01 17:51:24,646 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2020-12-01 17:51:24,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:51:24,647 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:24,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:24,751 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:51:25,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:25,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 45 states and 66 transitions. [2020-12-01 17:51:25,177 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 66 transitions. [2020-12-01 17:51:25,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:51:25,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:25,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:25,247 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:51:25,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:25,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 50 states and 77 transitions. [2020-12-01 17:51:25,662 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 77 transitions. [2020-12-01 17:51:25,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:51:25,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:25,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:25,693 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:51:25,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:25,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 52 states and 79 transitions. [2020-12-01 17:51:25,889 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 79 transitions. [2020-12-01 17:51:25,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-01 17:51:25,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:25,963 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:51:26,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:26,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 56 states and 82 transitions. [2020-12-01 17:51:26,249 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 82 transitions. [2020-12-01 17:51:26,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:51:26,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:26,304 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:51:26,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:26,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 61 states and 93 transitions. [2020-12-01 17:51:26,780 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 93 transitions. [2020-12-01 17:51:26,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:51:26,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:26,915 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:51:27,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:27,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 64 states and 96 transitions. [2020-12-01 17:51:27,308 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 96 transitions. [2020-12-01 17:51:27,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 17:51:27,308 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:27,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:27,475 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 17:51:28,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:28,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 69 states and 107 transitions. [2020-12-01 17:51:28,142 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 107 transitions. [2020-12-01 17:51:28,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:51:28,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:28,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:28,251 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:51:29,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:29,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 76 states and 123 transitions. [2020-12-01 17:51:29,093 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 123 transitions. [2020-12-01 17:51:29,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-01 17:51:29,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:29,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:29,188 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 17:51:29,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:29,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 81 states and 136 transitions. [2020-12-01 17:51:29,600 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 136 transitions. [2020-12-01 17:51:29,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:51:29,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:29,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:29,735 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 17:51:30,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:30,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 85 states and 145 transitions. [2020-12-01 17:51:30,175 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 145 transitions. [2020-12-01 17:51:30,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-01 17:51:30,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:30,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:30,202 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 17:51:30,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:30,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 88 states and 151 transitions. [2020-12-01 17:51:30,588 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 151 transitions. [2020-12-01 17:51:30,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:51:30,589 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:30,855 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:51:31,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:31,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 95 states and 167 transitions. [2020-12-01 17:51:31,835 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 167 transitions. [2020-12-01 17:51:31,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:51:31,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:31,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:31,864 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-12-01 17:51:32,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:32,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 98 states and 173 transitions. [2020-12-01 17:51:32,552 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 173 transitions. [2020-12-01 17:51:32,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:51:32,553 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:32,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:32,766 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:51:33,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:33,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 105 states and 182 transitions. [2020-12-01 17:51:33,892 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 182 transitions. [2020-12-01 17:51:33,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-01 17:51:33,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:33,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:34,107 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 17:51:34,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:34,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 110 states and 196 transitions. [2020-12-01 17:51:34,950 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 196 transitions. [2020-12-01 17:51:34,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:51:34,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:34,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:35,052 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:51:36,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:36,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 117 states and 216 transitions. [2020-12-01 17:51:36,120 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 216 transitions. [2020-12-01 17:51:36,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-01 17:51:36,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:36,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:36,149 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-12-01 17:51:36,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:36,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 119 states and 218 transitions. [2020-12-01 17:51:36,377 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 218 transitions. [2020-12-01 17:51:36,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 17:51:36,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:36,405 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-01 17:51:37,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:37,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 123 states and 222 transitions. [2020-12-01 17:51:37,068 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 222 transitions. [2020-12-01 17:51:37,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-01 17:51:37,069 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:37,111 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2020-12-01 17:51:37,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:37,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 127 states and 226 transitions. [2020-12-01 17:51:37,956 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 226 transitions. [2020-12-01 17:51:37,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:51:37,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:38,207 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:51:39,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:39,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 133 states and 233 transitions. [2020-12-01 17:51:39,754 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 233 transitions. [2020-12-01 17:51:39,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 17:51:39,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:39,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:39,851 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:51:41,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:41,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 140 states and 251 transitions. [2020-12-01 17:51:41,128 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 251 transitions. [2020-12-01 17:51:41,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-01 17:51:41,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:41,154 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:51:41,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:41,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 142 states and 255 transitions. [2020-12-01 17:51:41,488 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 255 transitions. [2020-12-01 17:51:41,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 17:51:41,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:41,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:41,506 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-12-01 17:51:41,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:41,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 144 states and 257 transitions. [2020-12-01 17:51:41,787 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 257 transitions. [2020-12-01 17:51:41,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-01 17:51:41,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:41,852 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-12-01 17:51:43,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:43,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 152 states and 265 transitions. [2020-12-01 17:51:43,762 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 265 transitions. [2020-12-01 17:51:43,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 17:51:43,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:43,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:44,087 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:51:45,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:45,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 159 states and 272 transitions. [2020-12-01 17:51:45,469 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 272 transitions. [2020-12-01 17:51:45,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 17:51:45,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:45,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:46,006 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 54 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:51:47,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:47,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 166 states and 293 transitions. [2020-12-01 17:51:47,713 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 293 transitions. [2020-12-01 17:51:47,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 17:51:47,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:47,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:47,800 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 54 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:51:48,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:48,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 168 states and 296 transitions. [2020-12-01 17:51:48,192 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 296 transitions. [2020-12-01 17:51:48,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-01 17:51:48,194 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:48,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:48,214 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2020-12-01 17:51:48,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:48,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 170 states and 298 transitions. [2020-12-01 17:51:48,577 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 298 transitions. [2020-12-01 17:51:48,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 17:51:48,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:48,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:48,633 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-12-01 17:51:50,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:50,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 178 states and 310 transitions. [2020-12-01 17:51:50,892 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 310 transitions. [2020-12-01 17:51:50,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-01 17:51:50,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:50,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:50,965 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2020-12-01 17:51:51,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:51,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 180 states and 312 transitions. [2020-12-01 17:51:51,593 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 312 transitions. [2020-12-01 17:51:51,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 17:51:51,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:52,006 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:51:54,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:54,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 187 states and 325 transitions. [2020-12-01 17:51:54,419 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 325 transitions. [2020-12-01 17:51:54,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 17:51:54,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:54,441 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 57 proven. 6 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-12-01 17:51:57,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:57,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 194 states and 333 transitions. [2020-12-01 17:51:57,504 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 333 transitions. [2020-12-01 17:51:57,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 17:51:57,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:57,527 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 57 proven. 6 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2020-12-01 17:51:58,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:51:58,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 196 states and 335 transitions. [2020-12-01 17:51:58,366 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 335 transitions. [2020-12-01 17:51:58,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 17:51:58,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:51:58,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:51:58,805 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 85 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:52:02,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:52:02,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 206 states and 354 transitions. [2020-12-01 17:52:02,041 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 354 transitions. [2020-12-01 17:52:02,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 17:52:02,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:52:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:52:02,137 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 85 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:52:03,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:52:03,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 209 states and 361 transitions. [2020-12-01 17:52:03,603 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 361 transitions. [2020-12-01 17:52:03,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-01 17:52:03,604 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:52:03,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:52:03,700 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 85 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:52:04,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:52:04,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 211 states and 362 transitions. [2020-12-01 17:52:04,753 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 362 transitions. [2020-12-01 17:52:04,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 17:52:04,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:52:04,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:52:04,790 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2020-12-01 17:52:05,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:52:05,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 212 states and 362 transitions. [2020-12-01 17:52:05,456 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 362 transitions. [2020-12-01 17:52:05,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 17:52:05,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:52:05,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:52:05,941 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:52:08,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:52:08,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 215 states and 366 transitions. [2020-12-01 17:52:08,036 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 366 transitions. [2020-12-01 17:52:08,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 17:52:08,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:52:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:52:08,119 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:52:09,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:52:09,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 218 states and 369 transitions. [2020-12-01 17:52:09,220 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 369 transitions. [2020-12-01 17:52:09,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 17:52:09,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:52:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:52:09,360 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:52:10,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:52:10,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 220 states and 370 transitions. [2020-12-01 17:52:10,718 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 370 transitions. [2020-12-01 17:52:10,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-01 17:52:10,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:52:10,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:52:11,234 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 123 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:52:12,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:52:12,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 48 states and 49 transitions. [2020-12-01 17:52:12,330 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2020-12-01 17:52:12,330 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:52:12,330 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 49 iterations. [2020-12-01 17:52:12,338 INFO L765 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2020-12-01 17:52:12,449 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-12-01 17:52:12,835 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:52:12,839 INFO L569 CodeCheckObserver]: Invariant with dag size 49 [2020-12-01 17:52:12,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:52:12 ImpRootNode [2020-12-01 17:52:12,856 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:52:12,857 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:52:12,857 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:52:12,857 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:52:12,857 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:51:21" (3/4) ... [2020-12-01 17:52:12,861 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:52:12,871 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-01 17:52:12,871 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 17:52:12,871 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:52:12,932 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_89bcba91-9f25-4bb2-a14b-97de986f9bd8/bin/ukojak/witness.graphml [2020-12-01 17:52:12,932 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:52:12,934 INFO L168 Benchmark]: Toolchain (without parser) took 51892.53 ms. Allocated memory was 98.6 MB in the beginning and 677.4 MB in the end (delta: 578.8 MB). Free memory was 69.7 MB in the beginning and 568.5 MB in the end (delta: -498.8 MB). Peak memory consumption was 80.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:52:12,935 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 98.6 MB. Free memory is still 56.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:52:12,936 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.40 ms. Allocated memory is still 98.6 MB. Free memory was 69.7 MB in the beginning and 75.9 MB in the end (delta: -6.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:52:12,937 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.39 ms. Allocated memory is still 98.6 MB. Free memory was 75.9 MB in the beginning and 74.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:52:12,937 INFO L168 Benchmark]: Boogie Preprocessor took 23.18 ms. Allocated memory is still 98.6 MB. Free memory was 74.6 MB in the beginning and 73.6 MB in the end (delta: 967.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:52:12,938 INFO L168 Benchmark]: RCFGBuilder took 401.03 ms. Allocated memory is still 98.6 MB. Free memory was 73.6 MB in the beginning and 64.1 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:52:12,939 INFO L168 Benchmark]: CodeCheck took 51078.12 ms. Allocated memory was 98.6 MB in the beginning and 677.4 MB in the end (delta: 578.8 MB). Free memory was 64.1 MB in the beginning and 570.6 MB in the end (delta: -506.5 MB). Peak memory consumption was 411.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:52:12,940 INFO L168 Benchmark]: Witness Printer took 75.51 ms. Allocated memory is still 677.4 MB. Free memory was 570.6 MB in the beginning and 568.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:52:12,944 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: 50.4s, OverallIterations: 49, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 SDtfs, 1328147110 SDslu, 0 SDs, 0 SdLazy, 2019027570 SolverSat, -335580784 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 46.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10848 GetRequests, 9326 SyntacticMatches, 970 SemanticMatches, 552 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181052 ImplicationChecksByTransitivity, 45.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 1365 NumberOfCodeBlocks, 1365 NumberOfCodeBlocksAsserted, 48 NumberOfCheckSat, 1317 ConstructedInterpolants, 0 QuantifiedInterpolants, 173025 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 48 InterpolantComputations, 24 PerfectInterpolantSequences, 2172/2743 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 <= j + 9991 && 10001 <= i + j) && j <= 5)) || ((i <= 9995 && 10001 <= i + j) && j <= i + 1)) || (((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 0.30 ms. Allocated memory is still 98.6 MB. Free memory is still 56.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 271.40 ms. Allocated memory is still 98.6 MB. Free memory was 69.7 MB in the beginning and 75.9 MB in the end (delta: -6.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.39 ms. Allocated memory is still 98.6 MB. Free memory was 75.9 MB in the beginning and 74.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.18 ms. Allocated memory is still 98.6 MB. Free memory was 74.6 MB in the beginning and 73.6 MB in the end (delta: 967.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 401.03 ms. Allocated memory is still 98.6 MB. Free memory was 73.6 MB in the beginning and 64.1 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 51078.12 ms. Allocated memory was 98.6 MB in the beginning and 677.4 MB in the end (delta: 578.8 MB). Free memory was 64.1 MB in the beginning and 570.6 MB in the end (delta: -506.5 MB). Peak memory consumption was 411.2 MB. Max. memory is 16.1 GB. * Witness Printer took 75.51 ms. Allocated memory is still 677.4 MB. Free memory was 570.6 MB in the beginning and 568.5 MB in the end (delta: 2.1 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...