./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/mod3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1df9d9f3-9904-4b2b-945d-ac34f5640e7e/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1df9d9f3-9904-4b2b-945d-ac34f5640e7e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1df9d9f3-9904-4b2b-945d-ac34f5640e7e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1df9d9f3-9904-4b2b-945d-ac34f5640e7e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/mod3.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1df9d9f3-9904-4b2b-945d-ac34f5640e7e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1df9d9f3-9904-4b2b-945d-ac34f5640e7e/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 950698bc17a751834ff482c414f89d89b98af415 ........................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:13:42,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:13:42,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:13:42,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:13:42,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:13:42,102 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:13:42,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:13:42,105 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:13:42,106 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:13:42,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:13:42,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:13:42,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:13:42,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:13:42,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:13:42,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:13:42,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:13:42,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:13:42,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:13:42,114 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:13:42,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:13:42,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:13:42,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:13:42,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:13:42,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:13:42,123 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:13:42,123 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:13:42,123 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:13:42,127 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:13:42,128 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:13:42,129 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:13:42,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:13:42,131 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:13:42,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:13:42,132 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:13:42,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:13:42,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:13:42,134 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:13:42,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:13:42,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:13:42,136 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:13:42,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:13:42,141 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1df9d9f3-9904-4b2b-945d-ac34f5640e7e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:13:42,158 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:13:42,158 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:13:42,159 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:13:42,159 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:13:42,160 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:13:42,160 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:13:42,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:13:42,160 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:13:42,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:13:42,160 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:13:42,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:13:42,161 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:13:42,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:13:42,161 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:13:42,161 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:13:42,161 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:13:42,162 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:13:42,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:13:42,162 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:13:42,162 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:13:42,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:13:42,162 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:13:42,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:13:42,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:13:42,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:13:42,165 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:13:42,166 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:13:42,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:13:42,166 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:13:42,166 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/working_dir_1df9d9f3-9904-4b2b-945d-ac34f5640e7e/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 -> 950698bc17a751834ff482c414f89d89b98af415 [2019-10-22 10:13:42,211 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:13:42,225 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:13:42,229 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:13:42,231 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:13:42,231 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:13:42,232 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1df9d9f3-9904-4b2b-945d-ac34f5640e7e/bin/ukojak/../../sv-benchmarks/c/loop-industry-pattern/mod3.c [2019-10-22 10:13:42,289 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1df9d9f3-9904-4b2b-945d-ac34f5640e7e/bin/ukojak/data/754ed7d1d/34adbef6e4774a24a7b7ac788d70f948/FLAG6134fd356 [2019-10-22 10:13:42,655 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:13:42,655 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1df9d9f3-9904-4b2b-945d-ac34f5640e7e/sv-benchmarks/c/loop-industry-pattern/mod3.c [2019-10-22 10:13:42,662 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1df9d9f3-9904-4b2b-945d-ac34f5640e7e/bin/ukojak/data/754ed7d1d/34adbef6e4774a24a7b7ac788d70f948/FLAG6134fd356 [2019-10-22 10:13:43,026 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1df9d9f3-9904-4b2b-945d-ac34f5640e7e/bin/ukojak/data/754ed7d1d/34adbef6e4774a24a7b7ac788d70f948 [2019-10-22 10:13:43,029 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:13:43,030 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:13:43,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:13:43,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:13:43,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:13:43,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:13:43" (1/1) ... [2019-10-22 10:13:43,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6da8a941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:43, skipping insertion in model container [2019-10-22 10:13:43,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:13:43" (1/1) ... [2019-10-22 10:13:43,052 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:13:43,070 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:13:43,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:13:43,303 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:13:43,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:13:43,408 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:13:43,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:43 WrapperNode [2019-10-22 10:13:43,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:13:43,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:13:43,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:13:43,410 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:13:43,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:43" (1/1) ... [2019-10-22 10:13:43,428 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:43" (1/1) ... [2019-10-22 10:13:43,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:13:43,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:13:43,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:13:43,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:13:43,463 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:43" (1/1) ... [2019-10-22 10:13:43,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:43" (1/1) ... [2019-10-22 10:13:43,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:43" (1/1) ... [2019-10-22 10:13:43,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:43" (1/1) ... [2019-10-22 10:13:43,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:43" (1/1) ... [2019-10-22 10:13:43,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:43" (1/1) ... [2019-10-22 10:13:43,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:43" (1/1) ... [2019-10-22 10:13:43,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:13:43,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:13:43,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:13:43,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:13:43,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:13:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1df9d9f3-9904-4b2b-945d-ac34f5640e7e/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 [2019-10-22 10:13:43,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:13:43,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:13:43,865 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:13:43,865 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 10:13:43,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:13:43 BoogieIcfgContainer [2019-10-22 10:13:43,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:13:43,868 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:13:43,868 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:13:43,888 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:13:43,888 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:13:43" (1/1) ... [2019-10-22 10:13:43,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:13:43,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:43,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2019-10-22 10:13:43,960 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2019-10-22 10:13:43,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-10-22 10:13:43,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:44,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:44,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:44,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:44,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2019-10-22 10:13:44,093 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2019-10-22 10:13:44,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 10:13:44,094 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:44,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:44,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:44,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:44,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2019-10-22 10:13:44,223 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2019-10-22 10:13:44,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-10-22 10:13:44,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:13:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:13:44,613 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 29 [2019-10-22 10:13:44,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:13:45,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:13:45,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2019-10-22 10:13:45,031 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2019-10-22 10:13:45,031 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:13:45,032 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2019-10-22 10:13:45,044 INFO L771 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-10-22 10:13:45,149 INFO L575 CodeCheckObserver]: Invariant with dag size 29 [2019-10-22 10:13:45,162 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:13:45,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:13:45 ImpRootNode [2019-10-22 10:13:45,163 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:13:45,163 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:13:45,163 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:13:45,164 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:13:45,164 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:13:43" (3/4) ... [2019-10-22 10:13:45,172 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:13:45,186 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-10-22 10:13:45,187 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 10:13:45,190 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 10:13:45,242 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1df9d9f3-9904-4b2b-945d-ac34f5640e7e/bin/ukojak/witness.graphml [2019-10-22 10:13:45,242 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:13:45,243 INFO L168 Benchmark]: Toolchain (without parser) took 2213.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 940.6 MB in the beginning and 1.0 GB in the end (delta: -94.5 MB). Peak memory consumption was 42.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:45,244 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:13:45,244 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -195.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:45,245 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.86 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:45,245 INFO L168 Benchmark]: Boogie Preprocessor took 37.86 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:45,245 INFO L168 Benchmark]: RCFGBuilder took 376.66 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: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:45,246 INFO L168 Benchmark]: CodeCheck took 1295.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.7 MB). Peak memory consumption was 72.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:45,246 INFO L168 Benchmark]: Witness Printer took 78.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:13:45,255 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, 9 locations, 1 error locations. Result: SAFE, OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 52 SDtfs, 24 SDslu, 32 SDs, 0 SdLazy, 64 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 139 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 1323 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 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: 8]: 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: 16]: Loop Invariant Derived loop invariant: (y / 4294967296 <= 0 && 1 <= y) || 2863311531 * x <= 12297829383904690176 * (((x / 4294967296 * -4294967296 + x) / 3 * -3 + x / 4294967296 * -4294967296 + x) / 4294967296) + 8589934593 * ((x / 4294967296 * -4294967296 + x) / 3) + 12297829383904690176 * (x / 4294967296) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 377.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -195.1 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.86 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.86 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 376.66 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: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * CodeCheck took 1295.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 72.7 MB). Peak memory consumption was 72.7 MB. Max. memory is 11.5 GB. * Witness Printer took 78.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...