./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label17_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_951b3012-81b2-430d-a5d3-2fb01d37a9d1/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_951b3012-81b2-430d-a5d3-2fb01d37a9d1/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_951b3012-81b2-430d-a5d3-2fb01d37a9d1/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_951b3012-81b2-430d-a5d3-2fb01d37a9d1/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label17_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_951b3012-81b2-430d-a5d3-2fb01d37a9d1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_951b3012-81b2-430d-a5d3-2fb01d37a9d1/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 2a1f01b3f00839c9ea12a67cb5b63524aacfc6e0 ................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 05:44:53,838 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:44:53,839 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:44:53,846 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:44:53,846 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:44:53,847 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:44:53,848 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:44:53,849 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:44:53,850 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:44:53,851 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:44:53,851 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:44:53,851 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:44:53,852 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:44:53,853 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:44:53,854 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:44:53,854 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:44:53,856 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:44:53,857 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:44:53,859 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:44:53,860 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:44:53,861 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:44:53,862 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:44:53,864 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:44:53,864 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:44:53,865 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:44:53,865 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:44:53,866 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:44:53,867 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:44:53,868 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:44:53,868 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:44:53,869 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:44:53,869 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:44:53,869 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:44:53,869 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:44:53,870 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:44:53,871 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:44:53,872 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_951b3012-81b2-430d-a5d3-2fb01d37a9d1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 05:44:53,880 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:44:53,880 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:44:53,881 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:44:53,881 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 05:44:53,881 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:44:53,881 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:44:53,882 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:44:53,882 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:44:53,882 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:44:53,882 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:44:53,882 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:44:53,882 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:44:53,883 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:44:53,883 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:44:53,883 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:44:53,883 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:44:53,883 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:44:53,883 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 05:44:53,883 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 05:44:53,884 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:44:53,884 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:44:53,884 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 05:44:53,884 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:44:53,884 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:44:53,884 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:44:53,885 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 05:44:53,885 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:44:53,885 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:44:53,885 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_951b3012-81b2-430d-a5d3-2fb01d37a9d1/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 -> 2a1f01b3f00839c9ea12a67cb5b63524aacfc6e0 [2018-11-10 05:44:53,912 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:44:53,921 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:44:53,924 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:44:53,925 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:44:53,925 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:44:53,926 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_951b3012-81b2-430d-a5d3-2fb01d37a9d1/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label17_true-unreach-call_false-termination.c [2018-11-10 05:44:53,973 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_951b3012-81b2-430d-a5d3-2fb01d37a9d1/bin-2019/ukojak/data/8aad27e1e/23d60a79261a42fba09dab92152076d2/FLAG4f8d2418d [2018-11-10 05:44:54,352 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:44:54,352 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_951b3012-81b2-430d-a5d3-2fb01d37a9d1/sv-benchmarks/c/eca-rers2012/Problem14_label17_true-unreach-call_false-termination.c [2018-11-10 05:44:54,362 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_951b3012-81b2-430d-a5d3-2fb01d37a9d1/bin-2019/ukojak/data/8aad27e1e/23d60a79261a42fba09dab92152076d2/FLAG4f8d2418d [2018-11-10 05:44:54,374 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_951b3012-81b2-430d-a5d3-2fb01d37a9d1/bin-2019/ukojak/data/8aad27e1e/23d60a79261a42fba09dab92152076d2 [2018-11-10 05:44:54,377 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:44:54,378 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:44:54,379 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:44:54,379 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:44:54,382 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:44:54,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:44:54" (1/1) ... [2018-11-10 05:44:54,385 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f1788b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:44:54, skipping insertion in model container [2018-11-10 05:44:54,385 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:44:54" (1/1) ... [2018-11-10 05:44:54,394 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:44:54,435 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:44:54,681 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:44:54,684 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:44:54,763 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:44:54,775 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:44:54,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:44:54 WrapperNode [2018-11-10 05:44:54,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:44:54,776 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:44:54,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:44:54,777 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:44:54,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:44:54" (1/1) ... [2018-11-10 05:44:54,799 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:44:54" (1/1) ... [2018-11-10 05:44:54,913 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:44:54,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:44:54,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:44:54,913 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:44:54,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:44:54" (1/1) ... [2018-11-10 05:44:54,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:44:54" (1/1) ... [2018-11-10 05:44:54,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:44:54" (1/1) ... [2018-11-10 05:44:54,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:44:54" (1/1) ... [2018-11-10 05:44:54,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:44:54" (1/1) ... [2018-11-10 05:44:54,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:44:54" (1/1) ... [2018-11-10 05:44:54,955 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:44:54" (1/1) ... [2018-11-10 05:44:54,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:44:54,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:44:54,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:44:54,963 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:44:54,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:44:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_951b3012-81b2-430d-a5d3-2fb01d37a9d1/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 [2018-11-10 05:44:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 05:44:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:44:55,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:51:39,787 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:51:39,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:51:39 BoogieIcfgContainer [2018-11-10 05:51:39,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:51:39,788 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 05:51:39,788 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 05:51:39,796 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 05:51:39,796 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:51:39" (1/1) ... [2018-11-10 05:51:39,803 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:51:39,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:51:39,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-10 05:51:39,829 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-10 05:51:39,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 05:51:39,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:51:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:51:39,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:51:40,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:51:40,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-10 05:51:40,053 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-10 05:51:40,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 05:51:40,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:51:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:51:40,562 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:51:40,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:51:40,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2018-11-10 05:51:40,932 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2018-11-10 05:51:40,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 05:51:40,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:51:41,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:51:41,638 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:51:42,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:51:42,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2018-11-10 05:51:42,537 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2018-11-10 05:51:42,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 05:51:42,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:51:42,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:51:42,914 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:51:43,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:51:43,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 36 states and 61 transitions. [2018-11-10 05:51:43,538 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2018-11-10 05:51:43,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 05:51:43,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:51:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:51:43,969 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:51:44,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:51:44,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2018-11-10 05:51:44,149 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2018-11-10 05:51:44,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 05:51:44,150 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:51:44,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:51:46,096 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 25 [2018-11-10 05:51:46,113 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:52:07,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:07,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 50 states and 89 transitions. [2018-11-10 05:52:07,503 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 89 transitions. [2018-11-10 05:52:07,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 05:52:07,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:09,096 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:52:29,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:29,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 56 states and 103 transitions. [2018-11-10 05:52:29,979 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 103 transitions. [2018-11-10 05:52:29,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 05:52:29,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:31,276 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:52:31,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:31,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 57 states and 103 transitions. [2018-11-10 05:52:31,389 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 103 transitions. [2018-11-10 05:52:31,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 05:52:31,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 05:52:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:52:32,021 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 05:52:42,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 05:52:42,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 51 states and 96 transitions. [2018-11-10 05:52:42,166 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2018-11-10 05:52:42,168 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 05:52:42,168 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2018-11-10 05:52:42,176 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 05:52:42,435 INFO L582 CodeCheckObserver]: Invariant with dag size 18 [2018-11-10 05:52:42,441 INFO L582 CodeCheckObserver]: Invariant with dag size 17 [2018-11-10 05:52:42,442 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 05:52:42,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 05:52:42 ImpRootNode [2018-11-10 05:52:42,442 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 05:52:42,443 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:52:42,443 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:52:42,443 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:52:42,443 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:51:39" (3/4) ... [2018-11-10 05:52:42,446 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 05:52:42,463 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 219 nodes and edges [2018-11-10 05:52:42,464 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-10 05:52:42,465 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 05:52:42,466 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 05:52:42,553 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_951b3012-81b2-430d-a5d3-2fb01d37a9d1/bin-2019/ukojak/witness.graphml [2018-11-10 05:52:42,553 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:52:42,554 INFO L168 Benchmark]: Toolchain (without parser) took 468176.79 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 758.6 MB). Free memory was 950.0 MB in the beginning and 1.3 GB in the end (delta: -395.0 MB). Peak memory consumption was 363.6 MB. Max. memory is 11.5 GB. [2018-11-10 05:52:42,555 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:52:42,555 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.31 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 912.4 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-10 05:52:42,555 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 912.4 MB in the beginning and 1.1 GB in the end (delta: -235.5 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-11-10 05:52:42,555 INFO L168 Benchmark]: Boogie Preprocessor took 49.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-11-10 05:52:42,556 INFO L168 Benchmark]: RCFGBuilder took 404824.27 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 70.8 MB). Free memory was 1.1 GB in the beginning and 835.4 MB in the end (delta: 297.4 MB). Peak memory consumption was 461.0 MB. Max. memory is 11.5 GB. [2018-11-10 05:52:42,556 INFO L168 Benchmark]: CodeCheck took 62654.52 ms. Allocated memory was 1.3 GB in the beginning and 1.8 GB in the end (delta: 524.8 MB). Free memory was 835.4 MB in the beginning and 1.4 GB in the end (delta: -526.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:52:42,556 INFO L168 Benchmark]: Witness Printer took 110.89 ms. Allocated memory is still 1.8 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. [2018-11-10 05:52:42,557 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, 62.3s OverallTime, 10 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3400 SDtfs, 8340 SDslu, 7912 SDs, 0 SdLazy, 18684 SolverSat, 2922 SolverUnsat, 50 SolverUnknown, 0 SolverNotchecked, 155.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1417 GetRequests, 1215 SyntacticMatches, 80 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9672 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 6.4s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 145 ConstructedInterpolants, 0 QuantifiedInterpolants, 40975 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 2 PerfectInterpolantSequences, 46/170 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: 172]: 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: ((a12 <= 80 || !(a21 == 9)) || !(a15 == 5)) || !(a24 == 1) - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((!(a21 == 9) || !(a15 == 5)) || a12 <= 80) || !(a24 == 1) - 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 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 397.31 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 912.4 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 136.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 912.4 MB in the beginning and 1.1 GB in the end (delta: -235.5 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 404824.27 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 70.8 MB). Free memory was 1.1 GB in the beginning and 835.4 MB in the end (delta: 297.4 MB). Peak memory consumption was 461.0 MB. Max. memory is 11.5 GB. * CodeCheck took 62654.52 ms. Allocated memory was 1.3 GB in the beginning and 1.8 GB in the end (delta: 524.8 MB). Free memory was 835.4 MB in the beginning and 1.4 GB in the end (delta: -526.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 110.89 ms. Allocated memory is still 1.8 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...