./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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_794e8507-183e-4f3f-a591-bd3c43b485dd/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_794e8507-183e-4f3f-a591-bd3c43b485dd/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_794e8507-183e-4f3f-a591-bd3c43b485dd/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_794e8507-183e-4f3f-a591-bd3c43b485dd/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_794e8507-183e-4f3f-a591-bd3c43b485dd/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_794e8507-183e-4f3f-a591-bd3c43b485dd/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7790858330d8d9c65e097c00c8669b9df5f9c726 ..................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 09:46:26,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 09:46:26,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 09:46:26,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 09:46:27,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 09:46:27,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 09:46:27,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 09:46:27,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 09:46:27,010 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 09:46:27,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 09:46:27,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 09:46:27,022 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 09:46:27,023 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 09:46:27,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 09:46:27,026 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 09:46:27,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 09:46:27,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 09:46:27,032 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 09:46:27,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 09:46:27,037 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 09:46:27,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 09:46:27,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 09:46:27,044 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 09:46:27,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 09:46:27,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 09:46:27,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 09:46:27,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 09:46:27,052 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 09:46:27,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 09:46:27,054 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 09:46:27,055 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 09:46:27,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 09:46:27,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 09:46:27,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 09:46:27,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 09:46:27,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 09:46:27,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 09:46:27,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 09:46:27,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 09:46:27,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 09:46:27,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 09:46:27,064 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_794e8507-183e-4f3f-a591-bd3c43b485dd/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 09:46:27,088 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 09:46:27,098 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 09:46:27,099 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 09:46:27,099 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 09:46:27,099 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 09:46:27,100 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 09:46:27,100 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 09:46:27,100 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 09:46:27,100 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 09:46:27,100 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 09:46:27,101 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 09:46:27,101 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 09:46:27,101 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 09:46:27,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 09:46:27,102 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 09:46:27,102 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 09:46:27,103 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 09:46:27,103 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 09:46:27,103 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 09:46:27,104 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 09:46:27,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 09:46:27,104 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 09:46:27,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 09:46:27,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 09:46:27,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 09:46:27,105 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 09:46:27,105 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 09:46:27,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 09:46:27,106 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 09:46:27,107 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_794e8507-183e-4f3f-a591-bd3c43b485dd/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(__VERIFIER_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 -> 7790858330d8d9c65e097c00c8669b9df5f9c726 [2019-11-20 09:46:27,247 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 09:46:27,258 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 09:46:27,261 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 09:46:27,262 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 09:46:27,263 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 09:46:27,264 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_794e8507-183e-4f3f-a591-bd3c43b485dd/bin/ukojak/../../sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c [2019-11-20 09:46:27,327 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_794e8507-183e-4f3f-a591-bd3c43b485dd/bin/ukojak/data/06bc9f5b9/d6a53a0a84b04412a52c64593b6bfc2f/FLAG22361ef10 [2019-11-20 09:46:27,805 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 09:46:27,806 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_794e8507-183e-4f3f-a591-bd3c43b485dd/sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c [2019-11-20 09:46:27,827 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_794e8507-183e-4f3f-a591-bd3c43b485dd/bin/ukojak/data/06bc9f5b9/d6a53a0a84b04412a52c64593b6bfc2f/FLAG22361ef10 [2019-11-20 09:46:28,128 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_794e8507-183e-4f3f-a591-bd3c43b485dd/bin/ukojak/data/06bc9f5b9/d6a53a0a84b04412a52c64593b6bfc2f [2019-11-20 09:46:28,131 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 09:46:28,132 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 09:46:28,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 09:46:28,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 09:46:28,137 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 09:46:28,137 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:46:28" (1/1) ... [2019-11-20 09:46:28,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1678db46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:28, skipping insertion in model container [2019-11-20 09:46:28,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:46:28" (1/1) ... [2019-11-20 09:46:28,148 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 09:46:28,238 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 09:46:28,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:46:28,883 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 09:46:29,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:46:29,094 INFO L192 MainTranslator]: Completed translation [2019-11-20 09:46:29,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:29 WrapperNode [2019-11-20 09:46:29,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 09:46:29,095 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 09:46:29,095 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 09:46:29,095 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 09:46:29,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:29" (1/1) ... [2019-11-20 09:46:29,121 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:29" (1/1) ... [2019-11-20 09:46:29,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 09:46:29,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 09:46:29,197 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 09:46:29,197 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 09:46:29,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:29" (1/1) ... [2019-11-20 09:46:29,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:29" (1/1) ... [2019-11-20 09:46:29,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:29" (1/1) ... [2019-11-20 09:46:29,217 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:29" (1/1) ... [2019-11-20 09:46:29,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:29" (1/1) ... [2019-11-20 09:46:29,263 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:29" (1/1) ... [2019-11-20 09:46:29,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:29" (1/1) ... [2019-11-20 09:46:29,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 09:46:29,292 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 09:46:29,292 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 09:46:29,292 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 09:46:29,293 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:46:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_794e8507-183e-4f3f-a591-bd3c43b485dd/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 09:46:29,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 09:46:29,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 09:46:30,896 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 09:46:30,896 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-20 09:46:30,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:46:30 BoogieIcfgContainer [2019-11-20 09:46:30,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 09:46:30,898 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 09:46:30,899 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 09:46:30,908 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 09:46:30,908 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:46:30" (1/1) ... [2019-11-20 09:46:30,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:46:30,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:46:30,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 249 states and 484 transitions. [2019-11-20 09:46:30,970 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 484 transitions. [2019-11-20 09:46:30,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-11-20 09:46:30,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:46:31,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:46:31,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:46:31,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:46:31,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 251 states and 485 transitions. [2019-11-20 09:46:31,834 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 485 transitions. [2019-11-20 09:46:31,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-11-20 09:46:31,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:46:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:46:32,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:46:32,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:46:32,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 254 states and 488 transitions. [2019-11-20 09:46:32,274 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 488 transitions. [2019-11-20 09:46:32,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-11-20 09:46:32,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:46:32,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:46:32,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:46:33,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:46:33,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 256 states and 490 transitions. [2019-11-20 09:46:33,125 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 490 transitions. [2019-11-20 09:46:33,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-11-20 09:46:33,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:46:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:46:33,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:46:33,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:46:33,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 259 states and 495 transitions. [2019-11-20 09:46:33,807 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 495 transitions. [2019-11-20 09:46:33,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-11-20 09:46:33,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:46:33,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:46:33,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 09:46:34,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:46:34,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 258 states and 493 transitions. [2019-11-20 09:46:34,060 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 493 transitions. [2019-11-20 09:46:34,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-11-20 09:46:34,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:46:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:46:34,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:46:37,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:46:37,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 368 states and 742 transitions. [2019-11-20 09:46:37,050 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 742 transitions. [2019-11-20 09:46:37,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-11-20 09:46:37,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:46:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:46:37,121 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 09:46:37,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:46:37,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 361 states and 733 transitions. [2019-11-20 09:46:37,380 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 733 transitions. [2019-11-20 09:46:37,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-11-20 09:46:37,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:46:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:46:39,475 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 09:46:50,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:46:50,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 380 states and 762 transitions. [2019-11-20 09:46:50,018 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 762 transitions. [2019-11-20 09:46:50,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-11-20 09:46:50,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:46:50,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:46:50,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 09:46:53,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:46:53,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 308 states and 609 transitions. [2019-11-20 09:46:53,623 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 609 transitions. [2019-11-20 09:46:53,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-11-20 09:46:53,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:46:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:46:53,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 09:46:58,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:46:58,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 255 states and 495 transitions. [2019-11-20 09:46:58,616 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 495 transitions. [2019-11-20 09:46:58,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-11-20 09:46:58,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:46:58,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:46:58,680 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 09:47:03,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:47:03,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 151 states and 272 transitions. [2019-11-20 09:47:03,606 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 272 transitions. [2019-11-20 09:47:03,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-11-20 09:47:03,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:47:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:47:03,675 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 09:47:09,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:47:09,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 153 states and 274 transitions. [2019-11-20 09:47:09,418 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 274 transitions. [2019-11-20 09:47:09,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-11-20 09:47:09,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:47:09,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:47:09,572 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:47:12,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:47:12,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 159 states and 283 transitions. [2019-11-20 09:47:12,432 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 283 transitions. [2019-11-20 09:47:12,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-11-20 09:47:12,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:47:12,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:47:12,624 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:47:16,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:47:16,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 166 states and 291 transitions. [2019-11-20 09:47:16,101 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 291 transitions. [2019-11-20 09:47:16,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-11-20 09:47:16,102 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:47:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:47:16,266 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 22 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:47:19,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:47:19,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 173 states and 299 transitions. [2019-11-20 09:47:19,761 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 299 transitions. [2019-11-20 09:47:19,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-11-20 09:47:19,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:47:19,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:47:19,921 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 28 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:47:23,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:47:23,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 180 states and 307 transitions. [2019-11-20 09:47:23,841 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 307 transitions. [2019-11-20 09:47:23,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-11-20 09:47:23,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:47:23,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:47:24,007 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 34 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:47:28,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:47:28,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 187 states and 315 transitions. [2019-11-20 09:47:28,355 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 315 transitions. [2019-11-20 09:47:28,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-11-20 09:47:28,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:47:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:47:28,563 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 40 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:47:33,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:47:33,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 194 states and 323 transitions. [2019-11-20 09:47:33,285 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 323 transitions. [2019-11-20 09:47:33,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-11-20 09:47:33,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:47:33,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:47:33,430 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 46 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 09:47:38,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:47:38,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 201 states and 329 transitions. [2019-11-20 09:47:38,396 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 329 transitions. [2019-11-20 09:47:38,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-11-20 09:47:38,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 09:47:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:47:38,521 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 17 proven. 35 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2019-11-20 09:47:52,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 09:47:52,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 228 states and 359 transitions. [2019-11-20 09:47:52,922 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 359 transitions. [2019-11-20 09:47:52,922 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 09:47:52,922 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2019-11-20 09:47:52,930 INFO L765 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2019-11-20 09:47:53,610 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 11 [2019-11-20 09:47:53,878 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-11-20 09:47:53,886 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 09:47:53,886 INFO L569 CodeCheckObserver]: Invariant with dag size 5 [2019-11-20 09:47:53,887 INFO L569 CodeCheckObserver]: Invariant with dag size 8 [2019-11-20 09:47:53,887 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-11-20 09:47:53,888 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-11-20 09:47:53,888 INFO L569 CodeCheckObserver]: Invariant with dag size 8 [2019-11-20 09:47:53,889 INFO L569 CodeCheckObserver]: Invariant with dag size 8 [2019-11-20 09:47:53,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 09:47:53 ImpRootNode [2019-11-20 09:47:53,890 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 09:47:53,890 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 09:47:53,890 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 09:47:53,890 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 09:47:53,891 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:46:30" (3/4) ... [2019-11-20 09:47:53,894 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 09:47:53,921 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-20 09:47:53,923 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 09:47:54,103 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_794e8507-183e-4f3f-a591-bd3c43b485dd/bin/ukojak/witness.graphml [2019-11-20 09:47:54,104 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 09:47:54,105 INFO L168 Benchmark]: Toolchain (without parser) took 85973.41 ms. Allocated memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: 1.3 GB). Free memory was 940.7 MB in the beginning and 1.5 GB in the end (delta: -522.1 MB). Peak memory consumption was 769.3 MB. Max. memory is 11.5 GB. [2019-11-20 09:47:54,105 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:47:54,106 INFO L168 Benchmark]: CACSL2BoogieTranslator took 962.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -171.1 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-11-20 09:47:54,106 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 09:47:54,107 INFO L168 Benchmark]: Boogie Preprocessor took 95.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 09:47:54,107 INFO L168 Benchmark]: RCFGBuilder took 1606.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 932.7 MB in the end (delta: 168.3 MB). Peak memory consumption was 168.3 MB. Max. memory is 11.5 GB. [2019-11-20 09:47:54,108 INFO L168 Benchmark]: CodeCheck took 82991.35 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 932.7 MB in the beginning and 1.5 GB in the end (delta: -567.3 MB). Peak memory consumption was 584.0 MB. Max. memory is 11.5 GB. [2019-11-20 09:47:54,108 INFO L168 Benchmark]: Witness Printer took 213.70 ms. Allocated memory is still 2.3 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 37.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. [2019-11-20 09:47:54,110 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 249 locations, 2 error locations. Result: SAFE, OverallTime: 81.9s, OverallIterations: 21, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 241460224 SDtfs, 115604318 SDslu, 54563352 SDs, 0 SdLazy, 180085556 SolverSat, 10058118 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25376 GetRequests, 23731 SyntacticMatches, 985 SemanticMatches, 660 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 417297 ImplicationChecksByTransitivity, 76.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 3036 NumberOfCodeBlocks, 3036 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 3016 ConstructedInterpolants, 0 QuantifiedInterpolants, 929465 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 10 PerfectInterpolantSequences, 378/723 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: 1775]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1758]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 1098]: Loop Invariant Derived loop invariant: 2 <= main__i - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 0 < main__i + 1 - InvariantResult [Line: 1762]: Loop Invariant Derived loop invariant: main__i + 1 <= main__nlen && 0 < main__i + 1 - InvariantResult [Line: 1537]: Loop Invariant Derived loop invariant: 3 <= main__i - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: 1 <= main__i - InvariantResult [Line: 1737]: Loop Invariant Derived loop invariant: main__i + 1 <= main__nlen && 0 < main__i + 1 - InvariantResult [Line: 1749]: Loop Invariant Derived loop invariant: main__i + 1 <= main__nlen && 0 < main__i + 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 962.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -171.1 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 101.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 95.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1606.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 932.7 MB in the end (delta: 168.3 MB). Peak memory consumption was 168.3 MB. Max. memory is 11.5 GB. * CodeCheck took 82991.35 ms. Allocated memory was 1.2 GB in the beginning and 2.3 GB in the end (delta: 1.2 GB). Free memory was 932.7 MB in the beginning and 1.5 GB in the end (delta: -567.3 MB). Peak memory consumption was 584.0 MB. Max. memory is 11.5 GB. * Witness Printer took 213.70 ms. Allocated memory is still 2.3 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 37.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...