./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label05_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_064b9848-f1ab-474e-8254-929f4390e2da/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_064b9848-f1ab-474e-8254-929f4390e2da/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_064b9848-f1ab-474e-8254-929f4390e2da/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_064b9848-f1ab-474e-8254-929f4390e2da/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label05_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_064b9848-f1ab-474e-8254-929f4390e2da/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_064b9848-f1ab-474e-8254-929f4390e2da/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 64e5c46407a78b8946c1b8a8e041360873f42904 ............................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:37:50,470 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:37:50,471 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:37:50,481 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:37:50,481 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:37:50,482 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:37:50,483 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:37:50,485 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:37:50,486 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:37:50,487 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:37:50,488 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:37:50,488 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:37:50,488 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:37:50,489 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:37:50,490 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:37:50,491 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:37:50,492 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:37:50,493 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:37:50,495 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:37:50,496 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:37:50,497 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:37:50,498 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:37:50,500 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:37:50,501 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:37:50,501 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:37:50,501 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:37:50,502 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:37:50,503 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:37:50,504 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:37:50,505 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:37:50,505 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:37:50,505 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:37:50,505 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:37:50,505 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:37:50,506 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:37:50,507 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:37:50,508 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_064b9848-f1ab-474e-8254-929f4390e2da/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 21:37:50,518 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:37:50,519 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:37:50,519 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:37:50,519 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 21:37:50,520 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 21:37:50,520 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 21:37:50,520 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:37:50,520 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:37:50,521 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:37:50,521 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:37:50,521 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:37:50,521 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:37:50,521 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:37:50,521 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:37:50,521 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:37:50,522 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:37:50,522 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:37:50,522 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 21:37:50,522 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 21:37:50,522 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:37:50,522 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:37:50,524 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 21:37:50,525 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:37:50,525 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:37:50,525 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:37:50,525 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 21:37:50,525 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:37:50,525 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:37:50,525 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_064b9848-f1ab-474e-8254-929f4390e2da/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 -> 64e5c46407a78b8946c1b8a8e041360873f42904 [2018-10-26 21:37:50,553 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:37:50,564 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:37:50,567 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:37:50,568 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:37:50,568 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:37:50,569 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_064b9848-f1ab-474e-8254-929f4390e2da/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label05_true-unreach-call_false-termination.c [2018-10-26 21:37:50,635 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_064b9848-f1ab-474e-8254-929f4390e2da/bin-2019/ukojak/data/4d3dca8a0/c9a881eaf38d462ea8ba570c0d89d1ef/FLAG8975be324 [2018-10-26 21:37:51,126 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:37:51,126 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_064b9848-f1ab-474e-8254-929f4390e2da/sv-benchmarks/c/eca-rers2012/Problem14_label05_true-unreach-call_false-termination.c [2018-10-26 21:37:51,141 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_064b9848-f1ab-474e-8254-929f4390e2da/bin-2019/ukojak/data/4d3dca8a0/c9a881eaf38d462ea8ba570c0d89d1ef/FLAG8975be324 [2018-10-26 21:37:51,158 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_064b9848-f1ab-474e-8254-929f4390e2da/bin-2019/ukojak/data/4d3dca8a0/c9a881eaf38d462ea8ba570c0d89d1ef [2018-10-26 21:37:51,161 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:37:51,164 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:37:51,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:37:51,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:37:51,171 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:37:51,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:37:51" (1/1) ... [2018-10-26 21:37:51,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49ecbd19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:37:51, skipping insertion in model container [2018-10-26 21:37:51,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:37:51" (1/1) ... [2018-10-26 21:37:51,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:37:51,259 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:37:51,636 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:37:51,640 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:37:51,812 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:37:51,826 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:37:51,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:37:51 WrapperNode [2018-10-26 21:37:51,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:37:51,828 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:37:51,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:37:51,828 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:37:51,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:37:51" (1/1) ... [2018-10-26 21:37:51,852 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:37:51" (1/1) ... [2018-10-26 21:37:51,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:37:51,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:37:51,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:37:51,922 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:37:52,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:37:51" (1/1) ... [2018-10-26 21:37:52,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:37:51" (1/1) ... [2018-10-26 21:37:52,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:37:51" (1/1) ... [2018-10-26 21:37:52,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:37:51" (1/1) ... [2018-10-26 21:37:52,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:37:51" (1/1) ... [2018-10-26 21:37:52,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:37:51" (1/1) ... [2018-10-26 21:37:52,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:37:51" (1/1) ... [2018-10-26 21:37:52,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:37:52,135 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:37:52,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:37:52,135 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:37:52,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:37:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_064b9848-f1ab-474e-8254-929f4390e2da/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 [2018-10-26 21:37:52,194 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 21:37:52,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:37:52,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:43:15,133 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:43:15,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:43:15 BoogieIcfgContainer [2018-10-26 21:43:15,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:43:15,134 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 21:43:15,134 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 21:43:15,148 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 21:43:15,149 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:43:15" (1/1) ... [2018-10-26 21:43:15,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:43:15,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:43:15,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-10-26 21:43:15,211 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-10-26 21:43:15,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-26 21:43:15,215 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:43:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:43:15,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:43:15,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:43:15,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-10-26 21:43:15,709 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-10-26 21:43:15,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-26 21:43:15,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:43:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:43:16,428 WARN L179 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-26 21:43:16,853 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 18 [2018-10-26 21:43:16,855 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:43:17,103 WARN L179 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 18 [2018-10-26 21:43:17,467 WARN L179 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-10-26 21:43:17,763 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2018-10-26 21:43:18,135 WARN L179 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-10-26 21:43:18,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:43:18,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2018-10-26 21:43:18,416 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2018-10-26 21:43:18,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 21:43:18,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:43:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:43:20,065 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:43:32,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:43:32,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2018-10-26 21:43:32,735 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2018-10-26 21:43:32,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 21:43:32,738 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:43:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:43:33,948 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:43:44,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:43:44,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2018-10-26 21:43:44,318 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2018-10-26 21:43:44,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 21:43:44,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:43:44,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:43:45,693 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:43:46,219 WARN L179 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 26 [2018-10-26 21:43:46,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:43:46,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2018-10-26 21:43:46,382 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2018-10-26 21:43:46,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 21:43:46,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:43:46,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:43:48,324 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:43:49,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:43:49,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 41 states and 72 transitions. [2018-10-26 21:43:49,143 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2018-10-26 21:43:49,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 21:43:49,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:43:49,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:43:50,086 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:43:50,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:43:50,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 46 states and 79 transitions. [2018-10-26 21:43:50,544 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 79 transitions. [2018-10-26 21:43:50,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 21:43:50,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:43:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:43:51,940 WARN L179 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 19 [2018-10-26 21:43:52,687 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 21:43:54,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:43:54,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 52 states and 84 transitions. [2018-10-26 21:43:54,172 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 84 transitions. [2018-10-26 21:43:54,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 21:43:54,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:43:54,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:43:56,558 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 21:43:57,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:43:57,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 44 states and 73 transitions. [2018-10-26 21:43:57,515 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 73 transitions. [2018-10-26 21:43:57,516 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 21:43:57,516 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2018-10-26 21:43:57,536 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 21:43:57,862 WARN L179 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 18 [2018-10-26 21:43:58,090 INFO L582 CodeCheckObserver]: Invariant with dag size 18 [2018-10-26 21:43:58,100 INFO L582 CodeCheckObserver]: Invariant with dag size 18 [2018-10-26 21:43:58,101 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:43:58,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 09:43:58 ImpRootNode [2018-10-26 21:43:58,101 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 21:43:58,102 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:43:58,102 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:43:58,104 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:43:58,107 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:43:15" (3/4) ... [2018-10-26 21:43:58,110 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 21:43:58,132 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 218 nodes and edges [2018-10-26 21:43:58,133 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-10-26 21:43:58,135 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-10-26 21:43:58,136 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 21:43:58,289 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_064b9848-f1ab-474e-8254-929f4390e2da/bin-2019/ukojak/witness.graphml [2018-10-26 21:43:58,289 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:43:58,290 INFO L168 Benchmark]: Toolchain (without parser) took 367127.19 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 518.0 MB). Free memory was 950.4 MB in the beginning and 926.8 MB in the end (delta: 23.5 MB). Peak memory consumption was 541.5 MB. Max. memory is 11.5 GB. [2018-10-26 21:43:58,291 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:43:58,291 INFO L168 Benchmark]: CACSL2BoogieTranslator took 662.50 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 912.8 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-10-26 21:43:58,292 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.17 ms. Allocated memory is still 1.0 GB. Free memory was 912.8 MB in the beginning and 907.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 21:43:58,292 INFO L168 Benchmark]: Boogie Preprocessor took 212.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.3 MB). Free memory was 907.4 MB in the beginning and 1.2 GB in the end (delta: -253.6 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:43:58,292 INFO L168 Benchmark]: RCFGBuilder took 322998.67 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 170.4 MB). Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 91.9 MB). Peak memory consumption was 546.8 MB. Max. memory is 11.5 GB. [2018-10-26 21:43:58,293 INFO L168 Benchmark]: CodeCheck took 42967.41 ms. Allocated memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: 168.3 MB). Free memory was 1.1 GB in the beginning and 950.1 MB in the end (delta: 119.1 MB). Peak memory consumption was 287.4 MB. Max. memory is 11.5 GB. [2018-10-26 21:43:58,293 INFO L168 Benchmark]: Witness Printer took 187.51 ms. Allocated memory is still 1.5 GB. Free memory was 950.1 MB in the beginning and 926.8 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2018-10-26 21:43:58,297 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 1 procedures, 246 locations, 1 error locations. SAFE Result, 42.3s OverallTime, 10 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3520 SDtfs, 8088 SDslu, 7936 SDs, 0 SdLazy, 16408 SolverSat, 2348 SolverUnsat, 192 SolverUnknown, 0 SolverNotchecked, 148.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1454 GetRequests, 1246 SyntacticMatches, 96 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8517 ImplicationChecksByTransitivity, 12.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 11.3s InterpolantComputationTime, 159 NumberOfCodeBlocks, 159 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 150 ConstructedInterpolants, 0 QuantifiedInterpolants, 55915 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 6/189 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: 193]: 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: 20]: Loop Invariant Derived loop invariant: ((!(a21 == 7) || 12 <= a12) || !(a15 == 5)) || (0 <= a12 + 49 && a12 + 49 <= 0) - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((!(a21 == 7) || 12 <= a12) || !(a15 == 5)) || (0 <= a12 + 49 && a12 + 49 <= 0) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 662.50 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 912.8 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 94.17 ms. Allocated memory is still 1.0 GB. Free memory was 912.8 MB in the beginning and 907.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 212.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.3 MB). Free memory was 907.4 MB in the beginning and 1.2 GB in the end (delta: -253.6 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 322998.67 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 170.4 MB). Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 91.9 MB). Peak memory consumption was 546.8 MB. Max. memory is 11.5 GB. * CodeCheck took 42967.41 ms. Allocated memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: 168.3 MB). Free memory was 1.1 GB in the beginning and 950.1 MB in the end (delta: 119.1 MB). Peak memory consumption was 287.4 MB. Max. memory is 11.5 GB. * Witness Printer took 187.51 ms. Allocated memory is still 1.5 GB. Free memory was 950.1 MB in the beginning and 926.8 MB in the end (delta: 23.2 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...