./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label30_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_471c8e15-d27a-4a49-a116-6a124a0ffaf2/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_471c8e15-d27a-4a49-a116-6a124a0ffaf2/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_471c8e15-d27a-4a49-a116-6a124a0ffaf2/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_471c8e15-d27a-4a49-a116-6a124a0ffaf2/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label30_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_471c8e15-d27a-4a49-a116-6a124a0ffaf2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_471c8e15-d27a-4a49-a116-6a124a0ffaf2/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 0c753c50fbbea6d96623e9d43fa767a4dff8ad3c ........................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 10:07:41,121 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 10:07:41,122 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 10:07:41,128 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 10:07:41,128 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 10:07:41,129 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 10:07:41,130 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 10:07:41,130 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 10:07:41,131 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 10:07:41,132 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 10:07:41,132 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 10:07:41,132 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 10:07:41,133 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 10:07:41,133 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 10:07:41,134 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 10:07:41,134 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 10:07:41,135 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 10:07:41,136 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 10:07:41,137 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 10:07:41,137 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 10:07:41,138 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 10:07:41,139 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 10:07:41,140 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 10:07:41,140 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 10:07:41,140 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 10:07:41,141 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 10:07:41,141 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 10:07:41,142 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 10:07:41,142 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 10:07:41,143 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 10:07:41,143 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 10:07:41,143 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 10:07:41,144 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 10:07:41,144 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 10:07:41,144 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 10:07:41,145 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 10:07:41,145 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_471c8e15-d27a-4a49-a116-6a124a0ffaf2/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 10:07:41,152 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 10:07:41,152 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 10:07:41,152 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 10:07:41,153 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 10:07:41,153 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 10:07:41,153 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 10:07:41,153 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 10:07:41,153 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 10:07:41,153 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 10:07:41,154 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 10:07:41,154 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 10:07:41,154 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 10:07:41,154 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 10:07:41,154 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 10:07:41,154 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 10:07:41,154 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 10:07:41,154 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 10:07:41,154 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 10:07:41,155 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 10:07:41,155 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 10:07:41,155 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 10:07:41,155 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 10:07:41,155 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 10:07:41,155 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 10:07:41,155 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 10:07:41,155 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 10:07:41,155 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 10:07:41,156 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 10:07:41,156 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 10:07:41,156 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_471c8e15-d27a-4a49-a116-6a124a0ffaf2/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 -> 0c753c50fbbea6d96623e9d43fa767a4dff8ad3c [2018-12-09 10:07:41,173 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 10:07:41,181 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 10:07:41,184 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 10:07:41,185 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 10:07:41,185 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 10:07:41,186 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_471c8e15-d27a-4a49-a116-6a124a0ffaf2/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label30_true-unreach-call_false-termination.c [2018-12-09 10:07:41,231 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_471c8e15-d27a-4a49-a116-6a124a0ffaf2/bin-2019/ukojak/data/858143d49/950b656944a2459091feaa8767713443/FLAGf24ea4064 [2018-12-09 10:07:41,702 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 10:07:41,702 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_471c8e15-d27a-4a49-a116-6a124a0ffaf2/sv-benchmarks/c/eca-rers2012/Problem14_label30_true-unreach-call_false-termination.c [2018-12-09 10:07:41,710 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_471c8e15-d27a-4a49-a116-6a124a0ffaf2/bin-2019/ukojak/data/858143d49/950b656944a2459091feaa8767713443/FLAGf24ea4064 [2018-12-09 10:07:41,719 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_471c8e15-d27a-4a49-a116-6a124a0ffaf2/bin-2019/ukojak/data/858143d49/950b656944a2459091feaa8767713443 [2018-12-09 10:07:41,721 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 10:07:41,721 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 10:07:41,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 10:07:41,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 10:07:41,724 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 10:07:41,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:07:41" (1/1) ... [2018-12-09 10:07:41,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4969d5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:07:41, skipping insertion in model container [2018-12-09 10:07:41,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:07:41" (1/1) ... [2018-12-09 10:07:41,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 10:07:41,757 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 10:07:41,950 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:07:41,953 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 10:07:42,071 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 10:07:42,081 INFO L195 MainTranslator]: Completed translation [2018-12-09 10:07:42,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:07:42 WrapperNode [2018-12-09 10:07:42,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 10:07:42,082 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 10:07:42,082 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 10:07:42,082 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 10:07:42,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:07:42" (1/1) ... [2018-12-09 10:07:42,098 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:07:42" (1/1) ... [2018-12-09 10:07:42,137 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 10:07:42,137 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 10:07:42,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 10:07:42,137 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 10:07:42,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:07:42" (1/1) ... [2018-12-09 10:07:42,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:07:42" (1/1) ... [2018-12-09 10:07:42,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:07:42" (1/1) ... [2018-12-09 10:07:42,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:07:42" (1/1) ... [2018-12-09 10:07:42,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:07:42" (1/1) ... [2018-12-09 10:07:42,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:07:42" (1/1) ... [2018-12-09 10:07:42,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:07:42" (1/1) ... [2018-12-09 10:07:42,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 10:07:42,174 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 10:07:42,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 10:07:42,175 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 10:07:42,175 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:07:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_471c8e15-d27a-4a49-a116-6a124a0ffaf2/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 10:07:42,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 10:07:42,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 10:12:28,233 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 10:12:28,233 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 10:12:28,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:12:28 BoogieIcfgContainer [2018-12-09 10:12:28,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 10:12:28,234 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 10:12:28,234 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 10:12:28,241 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 10:12:28,241 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:12:28" (1/1) ... [2018-12-09 10:12:28,249 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 10:12:28,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:12:28,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-09 10:12:28,272 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-09 10:12:28,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 10:12:28,274 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:12:28,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:12:28,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:12:28,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:12:28,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-09 10:12:28,441 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-09 10:12:28,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 10:12:28,442 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:12:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:12:28,690 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:12:48,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:12:48,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2018-12-09 10:12:48,938 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2018-12-09 10:12:48,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 10:12:48,940 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:12:49,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:12:49,421 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:12:49,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:12:49,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 27 states and 48 transitions. [2018-12-09 10:12:49,852 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 48 transitions. [2018-12-09 10:12:49,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 10:12:49,853 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:12:49,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:12:50,056 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:12:50,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:12:50,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 54 transitions. [2018-12-09 10:12:50,269 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 54 transitions. [2018-12-09 10:12:50,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 10:12:50,270 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:12:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:12:50,852 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:12:51,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:12:51,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 37 states and 68 transitions. [2018-12-09 10:12:51,680 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 68 transitions. [2018-12-09 10:12:51,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 10:12:51,680 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:12:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:12:51,991 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:12:52,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:12:52,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 41 states and 73 transitions. [2018-12-09 10:12:52,390 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 73 transitions. [2018-12-09 10:12:52,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 10:12:52,390 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:12:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:12:52,672 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:13:02,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:13:02,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 43 states and 77 transitions. [2018-12-09 10:13:02,856 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2018-12-09 10:13:02,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 10:13:02,857 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:13:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:13:03,556 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:13:04,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:13:04,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 47 states and 84 transitions. [2018-12-09 10:13:04,064 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 84 transitions. [2018-12-09 10:13:04,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 10:13:04,064 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:13:04,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:13:04,527 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 10:13:04,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:13:04,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 50 states and 88 transitions. [2018-12-09 10:13:04,724 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 88 transitions. [2018-12-09 10:13:04,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 10:13:04,725 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:13:04,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:13:05,408 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 10:13:16,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:13:16,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 55 states and 97 transitions. [2018-12-09 10:13:16,211 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 97 transitions. [2018-12-09 10:13:16,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 10:13:16,212 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:13:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:13:16,669 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 10:13:16,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:13:16,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 57 states and 101 transitions. [2018-12-09 10:13:16,917 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 101 transitions. [2018-12-09 10:13:16,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 10:13:16,918 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 10:13:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 10:13:17,948 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 10:13:20,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 10:13:20,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 40 states and 76 transitions. [2018-12-09 10:13:20,664 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 76 transitions. [2018-12-09 10:13:20,664 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 10:13:20,664 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2018-12-09 10:13:20,671 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 10:13:20,831 INFO L583 CodeCheckObserver]: Invariant with dag size 20 [2018-12-09 10:13:20,838 INFO L583 CodeCheckObserver]: Invariant with dag size 19 [2018-12-09 10:13:20,838 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 10:13:20,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 10:13:20 ImpRootNode [2018-12-09 10:13:20,839 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 10:13:20,839 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 10:13:20,839 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 10:13:20,839 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 10:13:20,840 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:12:28" (3/4) ... [2018-12-09 10:13:20,843 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 10:13:20,858 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 217 nodes and edges [2018-12-09 10:13:20,859 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-09 10:13:20,860 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 10:13:20,861 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 10:13:20,942 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_471c8e15-d27a-4a49-a116-6a124a0ffaf2/bin-2019/ukojak/witness.graphml [2018-12-09 10:13:20,943 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 10:13:20,943 INFO L168 Benchmark]: Toolchain (without parser) took 339222.24 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 401.6 MB). Free memory was 946.3 MB in the beginning and 901.7 MB in the end (delta: 44.6 MB). Peak memory consumption was 446.2 MB. Max. memory is 11.5 GB. [2018-12-09 10:13:20,944 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:13:20,944 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -182.2 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. [2018-12-09 10:13:20,944 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.39 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: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2018-12-09 10:13:20,944 INFO L168 Benchmark]: Boogie Preprocessor took 37.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 10:13:20,945 INFO L168 Benchmark]: RCFGBuilder took 286059.45 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 78.6 MB). Free memory was 1.1 GB in the beginning and 938.6 MB in the end (delta: 168.1 MB). Peak memory consumption was 504.1 MB. Max. memory is 11.5 GB. [2018-12-09 10:13:20,945 INFO L168 Benchmark]: CodeCheck took 52604.63 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 175.1 MB). Free memory was 938.6 MB in the beginning and 923.8 MB in the end (delta: 14.8 MB). Peak memory consumption was 189.9 MB. Max. memory is 11.5 GB. [2018-12-09 10:13:20,945 INFO L168 Benchmark]: Witness Printer took 103.53 ms. Allocated memory is still 1.4 GB. Free memory was 923.8 MB in the beginning and 901.7 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2018-12-09 10:13:20,946 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, 245 locations, 1 error locations. SAFE Result, 52.4s OverallTime, 13 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 25092 SDtfs, 47588 SDslu, 33800 SDs, 0 SdLazy, 155610 SolverSat, 28642 SolverUnsat, 4168 SolverUnknown, 0 SolverNotchecked, 318.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2155 GetRequests, 1829 SyntacticMatches, 152 SemanticMatches, 174 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22358 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 212 NumberOfCodeBlocks, 212 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 200 ConstructedInterpolants, 0 QuantifiedInterpolants, 71240 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 1 PerfectInterpolantSequences, 20/346 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: 133]: 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: 880]: Loop Invariant Derived loop invariant: (((a21 == 10 || a21 == 9) || a12 + 49 <= 0 || !(a15 == 6)) || a21 == 8) || a21 == 6 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((a12 + 49 <= 0 || !(a15 == 6)) || (a21 == 6 || a21 == 10) || a21 == 9) || a21 == 8 - 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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 359.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -182.2 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.39 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: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 286059.45 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 78.6 MB). Free memory was 1.1 GB in the beginning and 938.6 MB in the end (delta: 168.1 MB). Peak memory consumption was 504.1 MB. Max. memory is 11.5 GB. * CodeCheck took 52604.63 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 175.1 MB). Free memory was 938.6 MB in the beginning and 923.8 MB in the end (delta: 14.8 MB). Peak memory consumption was 189.9 MB. Max. memory is 11.5 GB. * Witness Printer took 103.53 ms. Allocated memory is still 1.4 GB. Free memory was 923.8 MB in the beginning and 901.7 MB in the end (delta: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...