./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-crafted/simple_array_index_value_true-unreach-call4_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ef6ad8db-201b-4ba3-8f94-deb8b75e45a4/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ef6ad8db-201b-4ba3-8f94-deb8b75e45a4/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ef6ad8db-201b-4ba3-8f94-deb8b75e45a4/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ef6ad8db-201b-4ba3-8f94-deb8b75e45a4/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-crafted/simple_array_index_value_true-unreach-call4_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_ef6ad8db-201b-4ba3-8f94-deb8b75e45a4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ef6ad8db-201b-4ba3-8f94-deb8b75e45a4/bin-2019/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 8538ad1ae962a1ba831f755fb5c2de9d27f82db5 .............................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 19:09:42,394 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:09:42,395 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:09:42,404 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:09:42,404 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:09:42,405 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:09:42,405 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:09:42,407 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:09:42,408 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:09:42,408 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:09:42,409 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:09:42,409 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:09:42,410 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:09:42,411 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:09:42,412 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:09:42,412 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:09:42,412 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:09:42,413 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:09:42,414 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:09:42,415 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:09:42,416 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:09:42,416 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:09:42,417 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:09:42,418 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:09:42,418 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:09:42,418 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:09:42,419 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:09:42,419 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:09:42,419 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:09:42,420 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:09:42,420 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:09:42,421 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:09:42,421 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:09:42,421 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:09:42,422 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:09:42,422 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:09:42,423 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ef6ad8db-201b-4ba3-8f94-deb8b75e45a4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 19:09:42,432 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:09:42,433 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:09:42,433 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:09:42,433 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 19:09:42,434 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 19:09:42,434 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 19:09:42,434 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:09:42,434 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:09:42,435 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:09:42,435 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:09:42,435 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:09:42,435 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:09:42,435 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:09:42,435 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:09:42,436 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:09:42,436 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:09:42,436 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 19:09:42,436 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:09:42,436 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 19:09:42,436 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 19:09:42,437 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:09:42,437 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:09:42,437 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 19:09:42,437 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:09:42,437 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:09:42,437 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:09:42,437 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 19:09:42,438 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:09:42,438 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:09:42,438 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_ef6ad8db-201b-4ba3-8f94-deb8b75e45a4/bin-2019/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 -> 8538ad1ae962a1ba831f755fb5c2de9d27f82db5 [2018-12-09 19:09:42,462 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:09:42,471 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:09:42,473 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:09:42,474 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:09:42,475 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:09:42,475 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ef6ad8db-201b-4ba3-8f94-deb8b75e45a4/bin-2019/ukojak/../../sv-benchmarks/c/loop-crafted/simple_array_index_value_true-unreach-call4_true-termination.i [2018-12-09 19:09:42,517 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ef6ad8db-201b-4ba3-8f94-deb8b75e45a4/bin-2019/ukojak/data/7a02c39b8/ef3432be03ff4122879e7b75f8dd3211/FLAG9cd6fbc30 [2018-12-09 19:09:42,835 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:09:42,835 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ef6ad8db-201b-4ba3-8f94-deb8b75e45a4/sv-benchmarks/c/loop-crafted/simple_array_index_value_true-unreach-call4_true-termination.i [2018-12-09 19:09:42,839 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ef6ad8db-201b-4ba3-8f94-deb8b75e45a4/bin-2019/ukojak/data/7a02c39b8/ef3432be03ff4122879e7b75f8dd3211/FLAG9cd6fbc30 [2018-12-09 19:09:42,847 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ef6ad8db-201b-4ba3-8f94-deb8b75e45a4/bin-2019/ukojak/data/7a02c39b8/ef3432be03ff4122879e7b75f8dd3211 [2018-12-09 19:09:42,849 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:09:42,850 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:09:42,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:09:42,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:09:42,852 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:09:42,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:09:42" (1/1) ... [2018-12-09 19:09:42,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:09:42, skipping insertion in model container [2018-12-09 19:09:42,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:09:42" (1/1) ... [2018-12-09 19:09:42,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:09:42,868 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:09:42,958 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:09:42,960 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:09:42,973 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:09:42,984 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:09:42,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:09:42 WrapperNode [2018-12-09 19:09:42,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:09:42,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:09:42,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:09:42,985 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:09:42,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:09:42" (1/1) ... [2018-12-09 19:09:42,995 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:09:42" (1/1) ... [2018-12-09 19:09:43,006 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:09:43,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:09:43,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:09:43,006 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:09:43,043 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:09:42" (1/1) ... [2018-12-09 19:09:43,043 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:09:42" (1/1) ... [2018-12-09 19:09:43,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:09:42" (1/1) ... [2018-12-09 19:09:43,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:09:42" (1/1) ... [2018-12-09 19:09:43,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:09:42" (1/1) ... [2018-12-09 19:09:43,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:09:42" (1/1) ... [2018-12-09 19:09:43,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:09:42" (1/1) ... [2018-12-09 19:09:43,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:09:43,051 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:09:43,051 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:09:43,051 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:09:43,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:09:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ef6ad8db-201b-4ba3-8f94-deb8b75e45a4/bin-2019/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 [2018-12-09 19:09:43,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 19:09:43,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:09:43,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:09:43,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 19:09:43,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-09 19:09:43,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-09 19:09:43,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 19:09:43,211 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:09:43,211 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-09 19:09:43,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:09:43 BoogieIcfgContainer [2018-12-09 19:09:43,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:09:43,211 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 19:09:43,211 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 19:09:43,218 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 19:09:43,218 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:09:43" (1/1) ... [2018-12-09 19:09:43,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:09:43,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:43,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2018-12-09 19:09:43,249 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2018-12-09 19:09:43,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-12-09 19:09:43,253 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:43,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:43,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:09:43,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:43,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2018-12-09 19:09:43,440 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2018-12-09 19:09:43,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 19:09:43,441 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:43,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:43,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:09:43,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:43,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2018-12-09 19:09:43,581 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2018-12-09 19:09:43,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 19:09:43,581 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:43,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:09:44,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:44,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 27 transitions. [2018-12-09 19:09:44,262 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2018-12-09 19:09:44,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 19:09:44,262 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:44,920 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:09:45,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:09:45,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 22 states and 28 transitions. [2018-12-09 19:09:45,930 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2018-12-09 19:09:45,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 19:09:45,930 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:09:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:56,586 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 19:10:07,138 WARN L180 SmtUtils]: Spent 10.13 s on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2018-12-09 19:10:28,711 WARN L180 SmtUtils]: Spent 10.09 s on a formula simplification that was a NOOP. DAG size: 66 [2018-12-09 19:10:41,029 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2018-12-09 19:10:51,707 WARN L180 SmtUtils]: Spent 10.43 s on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2018-12-09 19:11:01,953 WARN L180 SmtUtils]: Spent 10.19 s on a formula simplification that was a NOOP. DAG size: 56 [2018-12-09 19:11:04,257 WARN L180 SmtUtils]: Spent 944.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2018-12-09 19:11:20,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:11:20,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 26 states and 39 transitions. [2018-12-09 19:11:20,075 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2018-12-09 19:11:20,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 19:11:20,076 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 19:11:20,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:12:14,193 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 19:13:01,118 WARN L832 $PredicateComparison]: unable to prove that (let ((.cse5 (div c_ULTIMATE.start_main_~index2~0 4294967296))) (let ((.cse0 (+ c_ULTIMATE.start_main_~index1~0 (- 1))) (.cse1 (* 4294967296 .cse5))) (and (not (and (<= 0 c_ULTIMATE.start_main_~loop_entered~0) (<= c_ULTIMATE.start_main_~loop_entered~0 (* 4294967296 (div c_ULTIMATE.start_main_~loop_entered~0 4294967296))))) (<= c_ULTIMATE.start_main_~index1~0 (+ (* 4294967296 (div .cse0 4294967296)) 100000)) (< (+ c_ULTIMATE.start_main_~index2~0 (* 4294967296 (div (+ (* (- 4294967296) (div (+ c_ULTIMATE.start_main_~index2~0 4294767298) 4294967296)) .cse0) 4294967296)) 1) c_ULTIMATE.start_main_~index1~0) (<= c_ULTIMATE.start_main_~index1~0 (+ (* 4294967296 (div (+ (- c_ULTIMATE.start_main_~index2~0) (+ c_ULTIMATE.start_main_~index1~0 99997)) 4294967296)) c_ULTIMATE.start_main_~index2~0 1)) (<= c_ULTIMATE.start_main_~index2~0 (+ .cse1 99998)) (let ((.cse6 (div c_ULTIMATE.start_main_~index1~0 4294967296))) (or (let ((.cse4 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array~0.base|))) (let ((.cse3 (select .cse4 (+ (* (- 17179869184) .cse6) |c_ULTIMATE.start_main_~#array~0.offset| (* 4 c_ULTIMATE.start_main_~index1~0))))) (<= (let ((.cse2 (select .cse4 (+ (* (- 17179869184) .cse5) (* 4 c_ULTIMATE.start_main_~index2~0) |c_ULTIMATE.start_main_~#array~0.offset|)))) (+ .cse2 (* 4294967296 (div (+ (* (- 1) .cse2) .cse3 4294967295) 4294967296)))) .cse3))) (<= (+ .cse1 c_ULTIMATE.start_main_~index1~0) (+ (* 4294967296 .cse6) c_ULTIMATE.start_main_~index2~0))))))) is different from false [2018-12-09 19:13:12,478 WARN L854 $PredicateComparison]: unable to prove that (not (let ((.cse5 (div c_ULTIMATE.start_main_~index2~0 4294967296))) (let ((.cse0 (+ c_ULTIMATE.start_main_~index1~0 (- 1))) (.cse1 (* 4294967296 .cse5))) (and (not (and (<= 0 c_ULTIMATE.start_main_~loop_entered~0) (<= c_ULTIMATE.start_main_~loop_entered~0 (* 4294967296 (div c_ULTIMATE.start_main_~loop_entered~0 4294967296))))) (<= c_ULTIMATE.start_main_~index1~0 (+ (* 4294967296 (div .cse0 4294967296)) 100000)) (< (+ c_ULTIMATE.start_main_~index2~0 (* 4294967296 (div (+ (* (- 4294967296) (div (+ c_ULTIMATE.start_main_~index2~0 4294767298) 4294967296)) .cse0) 4294967296)) 1) c_ULTIMATE.start_main_~index1~0) (<= c_ULTIMATE.start_main_~index1~0 (+ (* 4294967296 (div (+ (- c_ULTIMATE.start_main_~index2~0) (+ c_ULTIMATE.start_main_~index1~0 99997)) 4294967296)) c_ULTIMATE.start_main_~index2~0 1)) (<= c_ULTIMATE.start_main_~index2~0 (+ .cse1 99998)) (let ((.cse6 (div c_ULTIMATE.start_main_~index1~0 4294967296))) (or (let ((.cse4 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array~0.base|))) (let ((.cse3 (select .cse4 (+ (* (- 17179869184) .cse6) |c_ULTIMATE.start_main_~#array~0.offset| (* 4 c_ULTIMATE.start_main_~index1~0))))) (<= (let ((.cse2 (select .cse4 (+ (* (- 17179869184) .cse5) (* 4 c_ULTIMATE.start_main_~index2~0) |c_ULTIMATE.start_main_~#array~0.offset|)))) (+ .cse2 (* 4294967296 (div (+ (* (- 1) .cse2) .cse3 4294967295) 4294967296)))) .cse3))) (<= (+ .cse1 c_ULTIMATE.start_main_~index1~0) (+ (* 4294967296 .cse6) c_ULTIMATE.start_main_~index2~0)))))))) is different from true [2018-12-09 19:13:22,534 WARN L832 $PredicateComparison]: unable to prove that (let ((.cse5 (div c_ULTIMATE.start_main_~index2~0 4294967296))) (let ((.cse0 (+ c_ULTIMATE.start_main_~index1~0 (- 1))) (.cse1 (* 4294967296 .cse5))) (and (<= c_ULTIMATE.start_main_~index1~0 (+ (* 4294967296 (div .cse0 4294967296)) 100000)) (<= c_ULTIMATE.start_main_~index1~0 (+ (* 4294967296 (div (+ (- c_ULTIMATE.start_main_~index2~0) (+ c_ULTIMATE.start_main_~index1~0 99997)) 4294967296)) c_ULTIMATE.start_main_~index2~0 1)) (<= c_ULTIMATE.start_main_~index1~0 (+ c_ULTIMATE.start_main_~index2~0 (* 4294967296 (div (+ (* (- 4294967296) (div (+ c_ULTIMATE.start_main_~index2~0 4294767298) 4294967296)) .cse0) 4294967296)) 1)) (<= c_ULTIMATE.start_main_~index2~0 (+ .cse1 99998)) (let ((.cse6 (div c_ULTIMATE.start_main_~index1~0 4294967296))) (or (let ((.cse4 (select |c_#memory_int| |c_ULTIMATE.start_main_~#array~0.base|))) (let ((.cse3 (select .cse4 (+ (* (- 17179869184) .cse6) |c_ULTIMATE.start_main_~#array~0.offset| (* 4 c_ULTIMATE.start_main_~index1~0))))) (<= (let ((.cse2 (select .cse4 (+ (* (- 17179869184) .cse5) (* 4 c_ULTIMATE.start_main_~index2~0) |c_ULTIMATE.start_main_~#array~0.offset|)))) (+ .cse2 (* 4294967296 (div (+ (* (- 1) .cse2) .cse3 4294967295) 4294967296)))) .cse3))) (<= (+ .cse1 c_ULTIMATE.start_main_~index1~0) (+ (* 4294967296 .cse6) c_ULTIMATE.start_main_~index2~0))))))) is different from false [2018-12-09 19:14:26,810 WARN L180 SmtUtils]: Spent 13.80 s on a formula simplification. DAG size of input: 63 DAG size of output: 50 [2018-12-09 19:15:32,047 WARN L180 SmtUtils]: Spent 7.95 s on a formula simplification. DAG size of input: 30 DAG size of output: 20 [2018-12-09 19:16:03,958 WARN L180 SmtUtils]: Spent 10.78 s on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2018-12-09 19:16:15,877 WARN L180 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 53 [2018-12-09 19:16:15,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 19:16:15,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 20 states and 31 transitions. [2018-12-09 19:16:15,970 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2018-12-09 19:16:15,970 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 19:16:15,970 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-12-09 19:16:15,977 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 19:16:26,207 WARN L180 SmtUtils]: Spent 10.22 s on a formula simplification. DAG size of input: 83 DAG size of output: 1 [2018-12-09 19:16:26,271 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 19:16:26,273 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 19:16:26,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 07:16:26 ImpRootNode [2018-12-09 19:16:26,273 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 19:16:26,273 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:16:26,274 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:16:26,274 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:16:26,274 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:09:43" (3/4) ... [2018-12-09 19:16:26,276 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 19:16:26,280 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-12-09 19:16:26,282 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 19:16:26,283 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 19:16:26,283 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 19:16:26,310 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ef6ad8db-201b-4ba3-8f94-deb8b75e45a4/bin-2019/ukojak/witness.graphml [2018-12-09 19:16:26,310 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:16:26,311 INFO L168 Benchmark]: Toolchain (without parser) took 403461.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.4 MB). Free memory was 954.9 MB in the beginning and 978.6 MB in the end (delta: -23.7 MB). Peak memory consumption was 167.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:16:26,311 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:16:26,312 INFO L168 Benchmark]: CACSL2BoogieTranslator took 134.75 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 944.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:16:26,312 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.05 ms. Allocated memory is still 1.0 GB. Free memory was 944.1 MB in the beginning and 938.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 19:16:26,312 INFO L168 Benchmark]: Boogie Preprocessor took 44.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 938.8 MB in the beginning and 1.1 GB in the end (delta: -167.0 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-09 19:16:26,312 INFO L168 Benchmark]: RCFGBuilder took 160.35 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2018-12-09 19:16:26,312 INFO L168 Benchmark]: CodeCheck took 403061.85 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 1.1 GB in the beginning and 978.6 MB in the end (delta: 108.2 MB). Peak memory consumption was 183.2 MB. Max. memory is 11.5 GB. [2018-12-09 19:16:26,313 INFO L168 Benchmark]: Witness Printer took 36.97 ms. Allocated memory is still 1.2 GB. Free memory is still 978.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:16:26,315 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 19 locations, 1 error locations. SAFE Result, 392.7s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 352 SDtfs, 260 SDslu, 32 SDs, 0 SdLazy, 2284 SolverSat, 702 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 12.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 778 GetRequests, 659 SyntacticMatches, 20 SemanticMatches, 99 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 3867 ImplicationChecksByTransitivity, 380.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 65.6s InterpolantComputationTime, 93 NumberOfCodeBlocks, 93 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 87 ConstructedInterpolants, 0 QuantifiedInterpolants, 20272 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 36/44 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 12]: 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: 40]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 134.75 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 944.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.05 ms. Allocated memory is still 1.0 GB. Free memory was 944.1 MB in the beginning and 938.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 938.8 MB in the beginning and 1.1 GB in the end (delta: -167.0 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 160.35 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * CodeCheck took 403061.85 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 1.1 GB in the beginning and 978.6 MB in the end (delta: 108.2 MB). Peak memory consumption was 183.2 MB. Max. memory is 11.5 GB. * Witness Printer took 36.97 ms. Allocated memory is still 1.2 GB. Free memory is still 978.6 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...