./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_84516cb8-861d-4750-b168-e546de1878a6/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_84516cb8-861d-4750-b168-e546de1878a6/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_84516cb8-861d-4750-b168-e546de1878a6/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_84516cb8-861d-4750-b168-e546de1878a6/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c -s /tmp/vcloud-vcloud-master/worker/run_dir_84516cb8-861d-4750-b168-e546de1878a6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_84516cb8-861d-4750-b168-e546de1878a6/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 aeb2c2f6d8fcd33ad55644c16c42ea82f5ce9b6c ........................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:59:13,163 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:59:13,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:59:13,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:59:13,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:59:13,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:59:13,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:59:13,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:59:13,219 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:59:13,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:59:13,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:59:13,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:59:13,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:59:13,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:59:13,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:59:13,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:59:13,229 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:59:13,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:59:13,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:59:13,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:59:13,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:59:13,240 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:59:13,241 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:59:13,243 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:59:13,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:59:13,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:59:13,247 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:59:13,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:59:13,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:59:13,251 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:59:13,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:59:13,252 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:59:13,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:59:13,254 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:59:13,256 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:59:13,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:59:13,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:59:13,258 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:59:13,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:59:13,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:59:13,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:59:13,262 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_84516cb8-861d-4750-b168-e546de1878a6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:59:13,323 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:59:13,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:59:13,325 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:59:13,326 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:59:13,327 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:59:13,327 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:59:13,327 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:59:13,327 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:59:13,328 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:59:13,328 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:59:13,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:59:13,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:59:13,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:59:13,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:59:13,330 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:59:13,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:59:13,330 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:59:13,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:59:13,331 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:59:13,331 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:59:13,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:59:13,332 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:59:13,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:59:13,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:59:13,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:59:13,333 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:59:13,333 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:59:13,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:59:13,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:59:13,335 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_84516cb8-861d-4750-b168-e546de1878a6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_84516cb8-861d-4750-b168-e546de1878a6/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aeb2c2f6d8fcd33ad55644c16c42ea82f5ce9b6c [2020-12-01 17:59:13,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:59:13,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:59:13,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:59:13,634 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:59:13,641 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:59:13,643 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_84516cb8-861d-4750-b168-e546de1878a6/bin/ukojak/../../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c [2020-12-01 17:59:13,727 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_84516cb8-861d-4750-b168-e546de1878a6/bin/ukojak/data/c172e6079/75f8a204964e46289906794722e4eb1a/FLAGaff571574 [2020-12-01 17:59:14,218 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:59:14,221 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_84516cb8-861d-4750-b168-e546de1878a6/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+sep-reducer.c [2020-12-01 17:59:14,229 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_84516cb8-861d-4750-b168-e546de1878a6/bin/ukojak/data/c172e6079/75f8a204964e46289906794722e4eb1a/FLAGaff571574 [2020-12-01 17:59:14,575 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_84516cb8-861d-4750-b168-e546de1878a6/bin/ukojak/data/c172e6079/75f8a204964e46289906794722e4eb1a [2020-12-01 17:59:14,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:59:14,579 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:59:14,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:59:14,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:59:14,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:59:14,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:59:14" (1/1) ... [2020-12-01 17:59:14,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@316534a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:59:14, skipping insertion in model container [2020-12-01 17:59:14,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:59:14" (1/1) ... [2020-12-01 17:59:14,633 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:59:14,655 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:59:14,843 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:59:14,857 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:59:14,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:59:14,898 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:59:14,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:59:14 WrapperNode [2020-12-01 17:59:14,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:59:14,901 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:59:14,901 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:59:14,901 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:59:14,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:59:14" (1/1) ... [2020-12-01 17:59:14,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:59:14" (1/1) ... [2020-12-01 17:59:14,939 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:59:14,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:59:14,940 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:59:14,941 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:59:14,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:59:14" (1/1) ... [2020-12-01 17:59:14,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:59:14" (1/1) ... [2020-12-01 17:59:14,952 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:59:14" (1/1) ... [2020-12-01 17:59:14,953 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:59:14" (1/1) ... [2020-12-01 17:59:14,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:59:14" (1/1) ... [2020-12-01 17:59:14,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:59:14" (1/1) ... [2020-12-01 17:59:14,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:59:14" (1/1) ... [2020-12-01 17:59:14,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:59:14,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:59:14,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:59:14,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:59:14,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:59:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_84516cb8-861d-4750-b168-e546de1878a6/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:59:15,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:59:15,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:59:15,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:59:15,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:59:15,404 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:59:15,404 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-12-01 17:59:15,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:59:15 BoogieIcfgContainer [2020-12-01 17:59:15,407 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:59:15,408 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:59:15,408 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:59:15,419 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:59:15,419 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:59:15" (1/1) ... [2020-12-01 17:59:15,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:59:15,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:15,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2020-12-01 17:59:15,465 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2020-12-01 17:59:15,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:59:15,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:15,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:15,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:16,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:16,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2020-12-01 17:59:16,599 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2020-12-01 17:59:16,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:59:16,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:59:16,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:59:16,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:59:17,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:59:17,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2020-12-01 17:59:17,227 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2020-12-01 17:59:17,227 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:59:17,228 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2020-12-01 17:59:17,234 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:59:17,277 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:59:17,281 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:59:17,282 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:59:17,282 INFO L569 CodeCheckObserver]: Invariant with dag size 17 [2020-12-01 17:59:17,289 INFO L569 CodeCheckObserver]: Invariant with dag size 17 [2020-12-01 17:59:17,291 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:59:17,291 INFO L569 CodeCheckObserver]: Invariant with dag size 17 [2020-12-01 17:59:17,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:59:17 ImpRootNode [2020-12-01 17:59:17,292 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:59:17,293 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:59:17,293 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:59:17,294 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:59:17,294 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:59:15" (3/4) ... [2020-12-01 17:59:17,297 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:59:17,308 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-12-01 17:59:17,309 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-01 17:59:17,309 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:59:17,309 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:59:17,411 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_84516cb8-861d-4750-b168-e546de1878a6/bin/ukojak/witness.graphml [2020-12-01 17:59:17,412 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:59:17,414 INFO L168 Benchmark]: Toolchain (without parser) took 2833.31 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 48.1 MB in the beginning and 86.4 MB in the end (delta: -38.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:59:17,414 INFO L168 Benchmark]: CDTParser took 3.42 ms. Allocated memory is still 102.8 MB. Free memory was 64.4 MB in the beginning and 64.3 MB in the end (delta: 62.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:59:17,415 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.93 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 73.4 MB in the beginning and 100.6 MB in the end (delta: -27.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:59:17,418 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.83 ms. Allocated memory is still 123.7 MB. Free memory was 100.6 MB in the beginning and 99.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:59:17,419 INFO L168 Benchmark]: Boogie Preprocessor took 23.31 ms. Allocated memory is still 123.7 MB. Free memory was 98.5 MB in the beginning and 97.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:59:17,419 INFO L168 Benchmark]: RCFGBuilder took 442.70 ms. Allocated memory is still 123.7 MB. Free memory was 97.5 MB in the beginning and 79.6 MB in the end (delta: 17.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-01 17:59:17,420 INFO L168 Benchmark]: CodeCheck took 1884.65 ms. Allocated memory is still 123.7 MB. Free memory was 79.6 MB in the beginning and 90.6 MB in the end (delta: -10.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:59:17,421 INFO L168 Benchmark]: Witness Printer took 118.67 ms. Allocated memory is still 123.7 MB. Free memory was 90.6 MB in the beginning and 86.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:59:17,424 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.7s, OverallIterations: 3, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 42 SDtfs, 16 SDslu, 20 SDs, 0 SdLazy, 20 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 156 GetRequests, 147 SyntacticMatches, 5 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 3278 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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: 35]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: main__x <= 4294967296 * ((main__x + main__x / 4294967296 * -4294967296 + (main__x + main__x / 4294967296 * -4294967296) / 3 * -3) / 4294967296) + 4294967296 * (main__x / 4294967296) + 3 * ((main__x + main__x / 4294967296 * -4294967296) / 3) - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: main__x <= 4294967296 * ((main__x + main__x / 4294967296 * -4294967296 + (main__x + main__x / 4294967296 * -4294967296) / 3 * -3) / 4294967296) + 4294967296 * (main__x / 4294967296) + 3 * ((main__x + main__x / 4294967296 * -4294967296) / 3) - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: main__x <= 4294967296 * ((main__x + main__x / 4294967296 * -4294967296 + (main__x + main__x / 4294967296 * -4294967296) / 3 * -3) / 4294967296) + 4294967296 * (main__x / 4294967296) + 3 * ((main__x + main__x / 4294967296 * -4294967296) / 3) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.42 ms. Allocated memory is still 102.8 MB. Free memory was 64.4 MB in the beginning and 64.3 MB in the end (delta: 62.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 286.93 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 73.4 MB in the beginning and 100.6 MB in the end (delta: -27.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.83 ms. Allocated memory is still 123.7 MB. Free memory was 100.6 MB in the beginning and 99.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.31 ms. Allocated memory is still 123.7 MB. Free memory was 98.5 MB in the beginning and 97.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 442.70 ms. Allocated memory is still 123.7 MB. Free memory was 97.5 MB in the beginning and 79.6 MB in the end (delta: 17.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * CodeCheck took 1884.65 ms. Allocated memory is still 123.7 MB. Free memory was 79.6 MB in the beginning and 90.6 MB in the end (delta: -10.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 118.67 ms. Allocated memory is still 123.7 MB. Free memory was 90.6 MB in the beginning and 86.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...