./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ca29f38d-457e-4d2a-aa49-278320146388/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ca29f38d-457e-4d2a-aa49-278320146388/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ca29f38d-457e-4d2a-aa49-278320146388/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ca29f38d-457e-4d2a-aa49-278320146388/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ca29f38d-457e-4d2a-aa49-278320146388/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ca29f38d-457e-4d2a-aa49-278320146388/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 75a16db52462b50c2c5ed914802861437583acdd .......................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:45:20,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:45:20,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:45:20,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:45:20,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:45:20,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:45:20,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:45:20,756 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:45:20,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:45:20,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:45:20,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:45:20,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:45:20,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:45:20,773 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:45:20,774 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:45:20,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:45:20,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:45:20,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:45:20,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:45:20,793 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:45:20,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:45:20,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:45:20,799 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:45:20,800 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:45:20,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:45:20,809 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:45:20,809 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:45:20,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:45:20,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:45:20,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:45:20,813 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:45:20,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:45:20,816 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:45:20,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:45:20,819 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:45:20,819 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:45:20,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:45:20,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:45:20,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:45:20,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:45:20,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:45:20,827 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ca29f38d-457e-4d2a-aa49-278320146388/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:45:20,863 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:45:20,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:45:20,864 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:45:20,864 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:45:20,865 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:45:20,865 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:45:20,865 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:45:20,865 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:45:20,866 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:45:20,866 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:45:20,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:45:20,867 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:45:20,867 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:45:20,867 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:45:20,868 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:45:20,868 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:45:20,868 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:45:20,868 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:45:20,868 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:45:20,868 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:45:20,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:45:20,869 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:45:20,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:45:20,869 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:45:20,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:45:20,870 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:45:20,870 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:45:20,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:45:20,870 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:45:20,871 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_ca29f38d-457e-4d2a-aa49-278320146388/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ca29f38d-457e-4d2a-aa49-278320146388/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75a16db52462b50c2c5ed914802861437583acdd [2020-11-28 04:45:21,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:45:21,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:45:21,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:45:21,194 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:45:21,197 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:45:21,198 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ca29f38d-457e-4d2a-aa49-278320146388/bin/ukojak/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound2.c [2020-11-28 04:45:21,270 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ca29f38d-457e-4d2a-aa49-278320146388/bin/ukojak/data/4801b5766/a14892f4b6a841f1b11a1389740835be/FLAGc23d1cf0f [2020-11-28 04:45:21,743 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:45:21,743 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ca29f38d-457e-4d2a-aa49-278320146388/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound2.c [2020-11-28 04:45:21,755 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ca29f38d-457e-4d2a-aa49-278320146388/bin/ukojak/data/4801b5766/a14892f4b6a841f1b11a1389740835be/FLAGc23d1cf0f [2020-11-28 04:45:22,109 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ca29f38d-457e-4d2a-aa49-278320146388/bin/ukojak/data/4801b5766/a14892f4b6a841f1b11a1389740835be [2020-11-28 04:45:22,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:45:22,115 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:45:22,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:45:22,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:45:22,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:45:22,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:45:22" (1/1) ... [2020-11-28 04:45:22,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ea341f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:22, skipping insertion in model container [2020-11-28 04:45:22,125 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:45:22" (1/1) ... [2020-11-28 04:45:22,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:45:22,150 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:45:22,379 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:45:22,388 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:45:22,405 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:45:22,419 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:45:22,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:22 WrapperNode [2020-11-28 04:45:22,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:45:22,421 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:45:22,421 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:45:22,421 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:45:22,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:22" (1/1) ... [2020-11-28 04:45:22,436 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:22" (1/1) ... [2020-11-28 04:45:22,459 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:45:22,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:45:22,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:45:22,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:45:22,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:22" (1/1) ... [2020-11-28 04:45:22,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:22" (1/1) ... [2020-11-28 04:45:22,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:22" (1/1) ... [2020-11-28 04:45:22,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:22" (1/1) ... [2020-11-28 04:45:22,488 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:22" (1/1) ... [2020-11-28 04:45:22,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:22" (1/1) ... [2020-11-28 04:45:22,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:22" (1/1) ... [2020-11-28 04:45:22,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:45:22,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:45:22,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:45:22,495 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:45:22,496 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:45:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca29f38d-457e-4d2a-aa49-278320146388/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:45:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-11-28 04:45:22,575 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-11-28 04:45:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:45:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:45:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:45:22,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:45:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-11-28 04:45:22,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-11-28 04:45:23,048 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:45:23,048 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-11-28 04:45:23,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:45:23 BoogieIcfgContainer [2020-11-28 04:45:23,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:45:23,051 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:45:23,051 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:45:23,060 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:45:23,061 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:45:23" (1/1) ... [2020-11-28 04:45:23,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:45:23,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:23,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2020-11-28 04:45:23,116 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2020-11-28 04:45:23,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:45:23,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:23,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:23,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-28 04:45:23,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:45:23,492 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-28 04:45:23,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:23,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2020-11-28 04:45:23,739 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2020-11-28 04:45:23,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-11-28 04:45:23,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:23,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-28 04:45:23,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:45:24,011 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-11-28 04:45:24,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:24,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2020-11-28 04:45:24,513 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2020-11-28 04:45:24,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-28 04:45:24,514 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:24,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:24,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 30 conjunts are in the unsatisfiable core [2020-11-28 04:45:24,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:45:25,071 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-28 04:45:25,101 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:45:26,111 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 22 [2020-11-28 04:45:26,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:26,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 50 transitions. [2020-11-28 04:45:26,694 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2020-11-28 04:45:26,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 04:45:26,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:45:26,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:45:26,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-28 04:45:26,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:45:26,939 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-11-28 04:45:28,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:45:28,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 22 states and 27 transitions. [2020-11-28 04:45:28,715 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2020-11-28 04:45:28,716 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:45:28,716 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2020-11-28 04:45:28,722 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:45:28,879 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:28,882 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:45:28,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:45:28 ImpRootNode [2020-11-28 04:45:28,882 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:45:28,883 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:45:28,883 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:45:28,883 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:45:28,883 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:45:23" (3/4) ... [2020-11-28 04:45:28,886 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:45:28,898 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2020-11-28 04:45:28,898 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2020-11-28 04:45:28,901 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2020-11-28 04:45:28,902 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 04:45:28,902 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:45:28,902 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:45:28,958 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ca29f38d-457e-4d2a-aa49-278320146388/bin/ukojak/witness.graphml [2020-11-28 04:45:28,959 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:45:28,960 INFO L168 Benchmark]: Toolchain (without parser) took 6844.01 ms. Allocated memory was 88.1 MB in the beginning and 144.7 MB in the end (delta: 56.6 MB). Free memory was 55.4 MB in the beginning and 119.8 MB in the end (delta: -64.4 MB). Peak memory consumption was 72.9 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:28,960 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 69.2 MB. Free memory was 31.5 MB in the beginning and 31.4 MB in the end (delta: 33.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:45:28,961 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.76 ms. Allocated memory is still 88.1 MB. Free memory was 55.3 MB in the beginning and 65.3 MB in the end (delta: -10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:28,961 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.56 ms. Allocated memory is still 88.1 MB. Free memory was 65.3 MB in the beginning and 64.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:45:28,962 INFO L168 Benchmark]: Boogie Preprocessor took 33.02 ms. Allocated memory is still 88.1 MB. Free memory was 64.0 MB in the beginning and 62.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:45:28,962 INFO L168 Benchmark]: RCFGBuilder took 555.65 ms. Allocated memory is still 88.1 MB. Free memory was 62.8 MB in the beginning and 47.3 MB in the end (delta: 15.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:28,963 INFO L168 Benchmark]: CodeCheck took 5831.72 ms. Allocated memory was 88.1 MB in the beginning and 144.7 MB in the end (delta: 56.6 MB). Free memory was 46.9 MB in the beginning and 41.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 63.2 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:28,963 INFO L168 Benchmark]: Witness Printer took 75.94 ms. Allocated memory is still 144.7 MB. Free memory was 41.1 MB in the beginning and 119.8 MB in the end (delta: -78.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:45:28,966 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 3 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.6s, OverallIterations: 5, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 208 SDtfs, 106 SDslu, 120 SDs, 0 SdLazy, 614 SolverSat, 208 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 811 GetRequests, 746 SyntacticMatches, 5 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1028 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 10022 SizeOfPredicates, 12 NumberOfNonLiveVariables, 393 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 39/45 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: 36]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 69.2 MB. Free memory was 31.5 MB in the beginning and 31.4 MB in the end (delta: 33.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 300.76 ms. Allocated memory is still 88.1 MB. Free memory was 55.3 MB in the beginning and 65.3 MB in the end (delta: -10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.56 ms. Allocated memory is still 88.1 MB. Free memory was 65.3 MB in the beginning and 64.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.02 ms. Allocated memory is still 88.1 MB. Free memory was 64.0 MB in the beginning and 62.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 555.65 ms. Allocated memory is still 88.1 MB. Free memory was 62.8 MB in the beginning and 47.3 MB in the end (delta: 15.5 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * CodeCheck took 5831.72 ms. Allocated memory was 88.1 MB in the beginning and 144.7 MB in the end (delta: 56.6 MB). Free memory was 46.9 MB in the beginning and 41.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 63.2 MB. Max. memory is 16.1 GB. * Witness Printer took 75.94 ms. Allocated memory is still 144.7 MB. Free memory was 41.1 MB in the beginning and 119.8 MB in the end (delta: -78.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...