./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9c9b704d-f67e-4c40-bd95-c0d8ebfd6c17/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9c9b704d-f67e-4c40-bd95-c0d8ebfd6c17/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9c9b704d-f67e-4c40-bd95-c0d8ebfd6c17/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9c9b704d-f67e-4c40-bd95-c0d8ebfd6c17/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9c9b704d-f67e-4c40-bd95-c0d8ebfd6c17/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9c9b704d-f67e-4c40-bd95-c0d8ebfd6c17/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c5644b986f5f9dd5a57cca882de8b41e90ae8cd4 ............................................................................................................................................................................................................................................................................................................................................................................................... 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 20:46:52,206 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:46:52,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:46:52,263 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:46:52,263 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:46:52,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:46:52,273 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:46:52,287 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:46:52,291 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:46:52,295 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:46:52,296 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:46:52,300 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:46:52,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:46:52,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:46:52,310 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:46:52,312 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:46:52,314 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:46:52,315 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:46:52,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:46:52,326 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:46:52,332 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:46:52,334 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:46:52,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:46:52,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:46:52,344 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:46:52,344 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:46:52,345 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:46:52,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:46:52,348 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:46:52,349 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:46:52,350 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:46:52,351 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:46:52,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:46:52,355 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:46:52,356 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:46:52,357 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:46:52,358 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:46:52,358 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:46:52,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:46:52,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:46:52,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:46:52,364 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9c9b704d-f67e-4c40-bd95-c0d8ebfd6c17/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 20:46:52,401 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:46:52,401 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:46:52,402 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 20:46:52,403 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 20:46:52,403 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:46:52,404 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:46:52,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:46:52,404 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:46:52,404 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:46:52,405 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:46:52,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:46:52,405 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 20:46:52,405 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 20:46:52,405 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 20:46:52,406 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:46:52,406 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:46:52,406 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:46:52,406 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 20:46:52,407 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 20:46:52,407 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 20:46:52,407 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:46:52,407 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 20:46:52,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 20:46:52,408 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:46:52,408 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 20:46:52,408 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 20:46:52,409 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 20:46:52,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 20:46:52,409 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 20:46:52,409 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_9c9b704d-f67e-4c40-bd95-c0d8ebfd6c17/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9c9b704d-f67e-4c40-bd95-c0d8ebfd6c17/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5644b986f5f9dd5a57cca882de8b41e90ae8cd4 [2020-11-29 20:46:52,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:46:52,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:46:52,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:46:52,685 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:46:52,686 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:46:52,687 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9c9b704d-f67e-4c40-bd95-c0d8ebfd6c17/bin/ukojak/../../sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c [2020-11-29 20:46:52,774 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9c9b704d-f67e-4c40-bd95-c0d8ebfd6c17/bin/ukojak/data/289f00721/20e354dd81ac47058ce44cf46289a577/FLAGc6216ea3c [2020-11-29 20:46:53,359 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:46:53,360 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9c9b704d-f67e-4c40-bd95-c0d8ebfd6c17/sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c [2020-11-29 20:46:53,383 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9c9b704d-f67e-4c40-bd95-c0d8ebfd6c17/bin/ukojak/data/289f00721/20e354dd81ac47058ce44cf46289a577/FLAGc6216ea3c [2020-11-29 20:46:53,638 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9c9b704d-f67e-4c40-bd95-c0d8ebfd6c17/bin/ukojak/data/289f00721/20e354dd81ac47058ce44cf46289a577 [2020-11-29 20:46:53,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:46:53,642 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:46:53,644 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:46:53,644 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:46:53,647 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:46:53,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:46:53" (1/1) ... [2020-11-29 20:46:53,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@730cdff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:46:53, skipping insertion in model container [2020-11-29 20:46:53,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:46:53" (1/1) ... [2020-11-29 20:46:53,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:46:53,737 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:46:54,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:46:54,331 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:46:54,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:46:54,616 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:46:54,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:46:54 WrapperNode [2020-11-29 20:46:54,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:46:54,618 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:46:54,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:46:54,619 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:46:54,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:46:54" (1/1) ... [2020-11-29 20:46:54,662 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:46:54" (1/1) ... [2020-11-29 20:46:54,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:46:54,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:46:54,732 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:46:54,732 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:46:54,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:46:54" (1/1) ... [2020-11-29 20:46:54,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:46:54" (1/1) ... [2020-11-29 20:46:54,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:46:54" (1/1) ... [2020-11-29 20:46:54,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:46:54" (1/1) ... [2020-11-29 20:46:54,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:46:54" (1/1) ... [2020-11-29 20:46:54,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:46:54" (1/1) ... [2020-11-29 20:46:54,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:46:54" (1/1) ... [2020-11-29 20:46:54,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:46:54,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:46:54,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:46:54,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:46:54,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:46:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9c9b704d-f67e-4c40-bd95-c0d8ebfd6c17/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 20:46:54,919 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-29 20:46:54,919 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-29 20:46:54,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:46:54,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:46:54,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:46:54,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:46:56,611 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:46:56,611 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-11-29 20:46:56,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:46:56 BoogieIcfgContainer [2020-11-29 20:46:56,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:46:56,618 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 20:46:56,618 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 20:46:56,630 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 20:46:56,631 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:46:56" (1/1) ... [2020-11-29 20:46:56,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 20:46:56,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:56,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 252 states and 488 transitions. [2020-11-29 20:46:56,709 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 488 transitions. [2020-11-29 20:46:56,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-11-29 20:46:56,723 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:57,337 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 20:46:57,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:57,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 251 states and 485 transitions. [2020-11-29 20:46:57,697 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 485 transitions. [2020-11-29 20:46:57,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-11-29 20:46:57,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:57,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:58,002 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 20:46:58,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:58,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 254 states and 489 transitions. [2020-11-29 20:46:58,237 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 489 transitions. [2020-11-29 20:46:58,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-11-29 20:46:58,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:58,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:58,457 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 20:46:59,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:59,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 256 states and 491 transitions. [2020-11-29 20:46:59,105 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 491 transitions. [2020-11-29 20:46:59,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-11-29 20:46:59,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:46:59,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:46:59,316 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 20:46:59,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:46:59,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 259 states and 496 transitions. [2020-11-29 20:46:59,985 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 496 transitions. [2020-11-29 20:46:59,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-11-29 20:46:59,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:47:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:47:00,109 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 20:47:00,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:47:00,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 258 states and 494 transitions. [2020-11-29 20:47:00,322 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 494 transitions. [2020-11-29 20:47:00,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-11-29 20:47:00,323 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:47:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:47:00,850 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 20:47:03,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:47:03,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 368 states and 743 transitions. [2020-11-29 20:47:03,212 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 743 transitions. [2020-11-29 20:47:03,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-11-29 20:47:03,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:47:03,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:47:04,665 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:47:13,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:47:13,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 395 states and 804 transitions. [2020-11-29 20:47:13,606 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 804 transitions. [2020-11-29 20:47:13,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-11-29 20:47:13,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:47:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:47:13,712 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-29 20:47:14,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:47:14,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 389 states and 795 transitions. [2020-11-29 20:47:14,149 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 795 transitions. [2020-11-29 20:47:14,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-11-29 20:47:14,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:47:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:47:15,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 20:47:19,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:47:19,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 336 states and 679 transitions. [2020-11-29 20:47:19,317 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 679 transitions. [2020-11-29 20:47:19,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-11-29 20:47:19,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:47:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:47:19,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 20:47:23,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:47:23,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 336 states and 677 transitions. [2020-11-29 20:47:23,246 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 677 transitions. [2020-11-29 20:47:23,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-11-29 20:47:23,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:47:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:47:23,318 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 20:47:27,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:47:27,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 312 states and 620 transitions. [2020-11-29 20:47:27,297 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 620 transitions. [2020-11-29 20:47:27,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-11-29 20:47:27,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:47:27,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:47:27,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-29 20:47:31,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:47:31,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 154 states and 280 transitions. [2020-11-29 20:47:31,708 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 280 transitions. [2020-11-29 20:47:31,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-11-29 20:47:31,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:47:31,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:47:31,781 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-29 20:47:38,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:47:38,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 156 states and 282 transitions. [2020-11-29 20:47:38,015 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 282 transitions. [2020-11-29 20:47:38,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-11-29 20:47:38,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:47:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:47:38,252 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:47:41,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:47:41,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 162 states and 293 transitions. [2020-11-29 20:47:41,917 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 293 transitions. [2020-11-29 20:47:41,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-11-29 20:47:41,918 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:47:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:47:42,292 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:47:47,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:47:47,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 171 states and 305 transitions. [2020-11-29 20:47:47,396 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 305 transitions. [2020-11-29 20:47:47,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-11-29 20:47:47,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:47:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:47:47,903 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 22 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:47:53,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:47:53,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 180 states and 316 transitions. [2020-11-29 20:47:53,427 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 316 transitions. [2020-11-29 20:47:53,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-11-29 20:47:53,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:47:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:47:54,083 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 28 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:47:59,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:47:59,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 189 states and 327 transitions. [2020-11-29 20:47:59,811 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 327 transitions. [2020-11-29 20:47:59,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-11-29 20:47:59,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:47:59,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:48:00,589 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 34 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:48:07,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:48:07,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 198 states and 338 transitions. [2020-11-29 20:48:07,556 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 338 transitions. [2020-11-29 20:48:07,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-11-29 20:48:07,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:48:07,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:48:08,663 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 40 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:48:16,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:48:16,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 207 states and 349 transitions. [2020-11-29 20:48:16,277 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 349 transitions. [2020-11-29 20:48:16,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-11-29 20:48:16,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:48:16,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:48:17,580 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 46 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 20:48:25,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:48:25,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 216 states and 358 transitions. [2020-11-29 20:48:25,403 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 358 transitions. [2020-11-29 20:48:25,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-11-29 20:48:25,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:48:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:48:26,001 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 44 proven. 8 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2020-11-29 20:48:54,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:48:54,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 241 states and 392 transitions. [2020-11-29 20:48:54,311 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 392 transitions. [2020-11-29 20:48:54,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-11-29 20:48:54,313 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 20:48:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 20:48:54,461 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 44 proven. 8 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2020-11-29 20:49:05,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 20:49:05,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 192 states and 321 transitions. [2020-11-29 20:49:05,019 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 321 transitions. [2020-11-29 20:49:05,020 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 20:49:05,020 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 23 iterations. [2020-11-29 20:49:05,032 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-29 20:49:05,294 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 8 [2020-11-29 20:49:06,386 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 12 [2020-11-29 20:49:06,550 INFO L569 CodeCheckObserver]: Invariant with dag size 8 [2020-11-29 20:49:06,560 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-29 20:49:06,561 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 20:49:06,561 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-29 20:49:06,562 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2020-11-29 20:49:06,563 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-29 20:49:06,564 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-11-29 20:49:06,564 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2020-11-29 20:49:06,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 08:49:06 ImpRootNode [2020-11-29 20:49:06,566 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 20:49:06,567 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:49:06,567 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:49:06,567 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:49:06,568 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:46:56" (3/4) ... [2020-11-29 20:49:06,571 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 20:49:06,577 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure reach_error [2020-11-29 20:49:06,603 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-11-29 20:49:06,606 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-29 20:49:06,609 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:49:06,612 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 20:49:06,905 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9c9b704d-f67e-4c40-bd95-c0d8ebfd6c17/bin/ukojak/witness.graphml [2020-11-29 20:49:06,906 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:49:06,907 INFO L168 Benchmark]: Toolchain (without parser) took 133264.45 ms. Allocated memory was 134.2 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 106.8 MB in the beginning and 970.3 MB in the end (delta: -863.4 MB). Peak memory consumption was 569.9 MB. Max. memory is 16.1 GB. [2020-11-29 20:49:06,908 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 92.3 MB. Free memory is still 49.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:49:06,908 INFO L168 Benchmark]: CACSL2BoogieTranslator took 973.07 ms. Allocated memory is still 134.2 MB. Free memory was 106.8 MB in the beginning and 92.5 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 20:49:06,909 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.65 ms. Allocated memory is still 134.2 MB. Free memory was 92.1 MB in the beginning and 86.2 MB in the end (delta: 5.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 20:49:06,909 INFO L168 Benchmark]: Boogie Preprocessor took 85.68 ms. Allocated memory is still 134.2 MB. Free memory was 86.2 MB in the beginning and 82.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 20:49:06,910 INFO L168 Benchmark]: RCFGBuilder took 1799.26 ms. Allocated memory was 134.2 MB in the beginning and 161.5 MB in the end (delta: 27.3 MB). Free memory was 82.0 MB in the beginning and 125.0 MB in the end (delta: -43.0 MB). Peak memory consumption was 48.0 MB. Max. memory is 16.1 GB. [2020-11-29 20:49:06,911 INFO L168 Benchmark]: CodeCheck took 129947.96 ms. Allocated memory was 161.5 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 125.0 MB in the beginning and 995.4 MB in the end (delta: -870.4 MB). Peak memory consumption was 535.7 MB. Max. memory is 16.1 GB. [2020-11-29 20:49:06,912 INFO L168 Benchmark]: Witness Printer took 339.10 ms. Allocated memory is still 1.6 GB. Free memory was 995.4 MB in the beginning and 970.3 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-11-29 20:49:06,914 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 2 procedures, 252 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 128.3s, OverallIterations: 23, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 977221632 SDtfs, 466158734 SDslu, 220342300 SDs, 0 SdLazy, 720702718 SolverSat, 38376980 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 35.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28446 GetRequests, 27192 SyntacticMatches, 512 SemanticMatches, 742 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 271243 ImplicationChecksByTransitivity, 120.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 9.2s InterpolantComputationTime, 3387 NumberOfCodeBlocks, 3387 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 3365 ConstructedInterpolants, 0 QuantifiedInterpolants, 981949 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 10 PerfectInterpolantSequences, 597/924 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: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1754]: Loop Invariant Derived loop invariant: main__i + 1 <= main__nlen && 5 <= main__i - InvariantResult [Line: 1103]: Loop Invariant Derived loop invariant: 2 <= main__i - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: main__i == 0 - InvariantResult [Line: 1767]: Loop Invariant Derived loop invariant: ((main__i + 1 <= main__nlen && 8 <= main__j) && 4 <= main__i) || (main__i + 1 <= main__nlen && 5 <= main__i) - InvariantResult [Line: 1542]: Loop Invariant Derived loop invariant: 3 <= main__i - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: 1 <= main__i - InvariantResult [Line: 1742]: Loop Invariant Derived loop invariant: ((main__i + 1 <= main__nlen && 7 <= main__j) && 4 <= main__i) || (main__i + 1 <= main__nlen && 5 <= main__i) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 92.3 MB. Free memory is still 49.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 973.07 ms. Allocated memory is still 134.2 MB. Free memory was 106.8 MB in the beginning and 92.5 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 112.65 ms. Allocated memory is still 134.2 MB. Free memory was 92.1 MB in the beginning and 86.2 MB in the end (delta: 5.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 85.68 ms. Allocated memory is still 134.2 MB. Free memory was 86.2 MB in the beginning and 82.4 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1799.26 ms. Allocated memory was 134.2 MB in the beginning and 161.5 MB in the end (delta: 27.3 MB). Free memory was 82.0 MB in the beginning and 125.0 MB in the end (delta: -43.0 MB). Peak memory consumption was 48.0 MB. Max. memory is 16.1 GB. * CodeCheck took 129947.96 ms. Allocated memory was 161.5 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 125.0 MB in the beginning and 995.4 MB in the end (delta: -870.4 MB). Peak memory consumption was 535.7 MB. Max. memory is 16.1 GB. * Witness Printer took 339.10 ms. Allocated memory is still 1.6 GB. Free memory was 995.4 MB in the beginning and 970.3 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...