./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loop-new/nested_true-unreach-call_true-termination.i --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_f9bef819-a772-4bc1-b693-38ea16951a63/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f9bef819-a772-4bc1-b693-38ea16951a63/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f9bef819-a772-4bc1-b693-38ea16951a63/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f9bef819-a772-4bc1-b693-38ea16951a63/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-new/nested_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f9bef819-a772-4bc1-b693-38ea16951a63/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f9bef819-a772-4bc1-b693-38ea16951a63/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 a881e1073186594f4727f809fbe5d917ff145543 ......................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:37:29,240 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:37:29,242 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:37:29,253 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:37:29,253 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:37:29,254 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:37:29,255 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:37:29,257 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:37:29,258 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:37:29,259 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:37:29,261 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:37:29,261 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:37:29,262 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:37:29,262 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:37:29,263 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:37:29,265 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:37:29,265 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:37:29,267 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:37:29,269 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:37:29,271 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:37:29,272 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:37:29,273 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:37:29,275 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:37:29,275 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:37:29,276 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:37:29,277 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:37:29,278 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:37:29,278 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:37:29,279 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:37:29,281 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:37:29,281 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:37:29,282 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:37:29,282 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:37:29,282 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:37:29,283 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:37:29,284 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:37:29,285 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f9bef819-a772-4bc1-b693-38ea16951a63/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 23:37:29,298 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:37:29,298 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:37:29,299 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:37:29,299 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 23:37:29,300 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 23:37:29,301 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 23:37:29,301 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:37:29,301 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:37:29,301 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:37:29,301 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:37:29,301 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:37:29,302 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:37:29,302 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:37:29,302 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:37:29,302 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:37:29,302 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:37:29,302 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:37:29,303 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 23:37:29,303 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 23:37:29,303 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:37:29,303 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:37:29,303 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 23:37:29,305 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:37:29,306 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:37:29,306 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:37:29,306 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 23:37:29,306 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:37:29,306 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:37:29,306 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_f9bef819-a772-4bc1-b693-38ea16951a63/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 -> a881e1073186594f4727f809fbe5d917ff145543 [2018-10-26 23:37:29,338 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:37:29,350 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:37:29,353 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:37:29,355 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:37:29,355 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:37:29,356 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f9bef819-a772-4bc1-b693-38ea16951a63/bin-2019/ukojak/../../sv-benchmarks/c/loop-new/nested_true-unreach-call_true-termination.i [2018-10-26 23:37:29,413 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f9bef819-a772-4bc1-b693-38ea16951a63/bin-2019/ukojak/data/824a0dcaa/a3ce718501534a009fb17ee8da3e5f53/FLAGf7dc43326 [2018-10-26 23:37:29,806 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:37:29,807 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f9bef819-a772-4bc1-b693-38ea16951a63/sv-benchmarks/c/loop-new/nested_true-unreach-call_true-termination.i [2018-10-26 23:37:29,816 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f9bef819-a772-4bc1-b693-38ea16951a63/bin-2019/ukojak/data/824a0dcaa/a3ce718501534a009fb17ee8da3e5f53/FLAGf7dc43326 [2018-10-26 23:37:29,832 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f9bef819-a772-4bc1-b693-38ea16951a63/bin-2019/ukojak/data/824a0dcaa/a3ce718501534a009fb17ee8da3e5f53 [2018-10-26 23:37:29,835 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:37:29,837 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:37:29,838 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:37:29,838 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:37:29,846 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:37:29,847 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:37:29" (1/1) ... [2018-10-26 23:37:29,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b3c1dc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:37:29, skipping insertion in model container [2018-10-26 23:37:29,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:37:29" (1/1) ... [2018-10-26 23:37:29,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:37:29,880 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:37:30,023 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:37:30,027 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:37:30,041 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:37:30,054 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:37:30,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:37:30 WrapperNode [2018-10-26 23:37:30,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:37:30,056 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:37:30,056 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:37:30,056 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:37:30,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:37:30" (1/1) ... [2018-10-26 23:37:30,072 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:37:30" (1/1) ... [2018-10-26 23:37:30,091 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:37:30,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:37:30,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:37:30,092 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:37:30,102 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:37:30" (1/1) ... [2018-10-26 23:37:30,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:37:30" (1/1) ... [2018-10-26 23:37:30,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:37:30" (1/1) ... [2018-10-26 23:37:30,103 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:37:30" (1/1) ... [2018-10-26 23:37:30,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:37:30" (1/1) ... [2018-10-26 23:37:30,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:37:30" (1/1) ... [2018-10-26 23:37:30,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:37:30" (1/1) ... [2018-10-26 23:37:30,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:37:30,112 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:37:30,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:37:30,113 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:37:30,113 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:37:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f9bef819-a772-4bc1-b693-38ea16951a63/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 23:37:30,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:37:30,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:37:30,682 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:37:30,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:37:30 BoogieIcfgContainer [2018-10-26 23:37:30,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:37:30,684 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 23:37:30,684 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 23:37:30,697 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 23:37:30,697 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:37:30" (1/1) ... [2018-10-26 23:37:30,710 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:37:30,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:37:30,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 15 states and 21 transitions. [2018-10-26 23:37:30,754 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2018-10-26 23:37:30,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-26 23:37:30,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:37:30,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:37:30,870 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 23:37:30,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:37:30,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2018-10-26 23:37:30,880 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2018-10-26 23:37:30,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-26 23:37:30,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:37:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:37:31,040 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 23:37:31,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:37:31,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2018-10-26 23:37:31,210 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2018-10-26 23:37:31,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 23:37:31,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:37:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:37:31,225 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:37:31,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:37:31,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2018-10-26 23:37:31,232 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2018-10-26 23:37:31,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-26 23:37:31,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:37:31,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:37:31,307 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:37:31,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:37:31,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2018-10-26 23:37:31,773 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2018-10-26 23:37:31,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 23:37:31,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:37:31,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:37:31,841 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:37:32,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:37:32,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2018-10-26 23:37:32,075 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2018-10-26 23:37:32,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 23:37:32,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:37:32,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:37:32,154 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:37:32,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:37:32,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2018-10-26 23:37:32,653 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2018-10-26 23:37:32,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 23:37:32,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:37:32,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:37:32,732 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:37:32,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:37:32,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2018-10-26 23:37:32,868 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2018-10-26 23:37:32,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 23:37:32,869 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:37:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:37:32,943 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:37:33,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:37:33,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 44 transitions. [2018-10-26 23:37:33,109 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2018-10-26 23:37:33,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 23:37:33,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:37:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:37:33,194 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:37:33,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:37:33,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2018-10-26 23:37:33,353 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2018-10-26 23:37:33,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 23:37:33,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:37:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:37:33,430 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:37:33,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:37:33,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2018-10-26 23:37:33,560 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2018-10-26 23:37:33,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 23:37:33,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:37:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:37:33,630 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:37:33,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:37:33,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 56 transitions. [2018-10-26 23:37:33,751 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2018-10-26 23:37:33,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-26 23:37:33,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:37:33,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:37:34,005 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 2 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:37:34,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:37:34,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2018-10-26 23:37:34,135 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2018-10-26 23:37:34,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 23:37:34,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:37:34,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:37:34,223 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 2 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:37:34,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:37:34,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 39 states and 63 transitions. [2018-10-26 23:37:34,352 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 63 transitions. [2018-10-26 23:37:34,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-26 23:37:34,353 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:37:34,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:37:34,454 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-10-26 23:37:36,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:37:36,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 64 states and 99 transitions. [2018-10-26 23:37:36,965 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 99 transitions. [2018-10-26 23:37:36,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-26 23:37:36,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:37:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:37:36,986 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 5 proven. 22 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-10-26 23:37:39,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:37:39,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 62 states and 77 transitions. [2018-10-26 23:37:39,219 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 77 transitions. [2018-10-26 23:37:39,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-26 23:37:39,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:37:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:37:39,381 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 0 proven. 249 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2018-10-26 23:37:41,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:37:41,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 87 states and 113 transitions. [2018-10-26 23:37:41,501 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 113 transitions. [2018-10-26 23:37:41,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-26 23:37:41,502 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:37:41,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:37:41,535 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 8 proven. 44 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2018-10-26 23:37:44,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:37:44,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 87 states and 103 transitions. [2018-10-26 23:37:44,294 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 103 transitions. [2018-10-26 23:37:44,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-26 23:37:44,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:37:44,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:37:44,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1071 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-10-26 23:37:47,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:37:47,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 112 states and 139 transitions. [2018-10-26 23:37:47,454 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 139 transitions. [2018-10-26 23:37:47,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-26 23:37:47,456 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:37:47,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:37:47,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1148 backedges. 11 proven. 66 refuted. 0 times theorem prover too weak. 1071 trivial. 0 not checked. [2018-10-26 23:37:51,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:37:51,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 112 states and 129 transitions. [2018-10-26 23:37:51,282 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 129 transitions. [2018-10-26 23:37:51,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-26 23:37:51,283 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:37:51,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:37:51,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1918 backedges. 0 proven. 1478 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2018-10-26 23:37:56,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:37:56,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 137 states and 165 transitions. [2018-10-26 23:37:56,817 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 165 transitions. [2018-10-26 23:37:56,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-26 23:37:56,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:37:56,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:37:56,866 INFO L134 CoverageAnalysis]: Checked inductivity of 2020 backedges. 14 proven. 88 refuted. 0 times theorem prover too weak. 1918 trivial. 0 not checked. [2018-10-26 23:38:01,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:38:01,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 137 states and 155 transitions. [2018-10-26 23:38:01,385 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 155 transitions. [2018-10-26 23:38:01,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-26 23:38:01,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:38:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:38:01,661 INFO L134 CoverageAnalysis]: Checked inductivity of 3010 backedges. 0 proven. 2460 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2018-10-26 23:38:05,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:38:05,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 162 states and 191 transitions. [2018-10-26 23:38:05,922 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 191 transitions. [2018-10-26 23:38:05,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-26 23:38:05,923 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:38:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:38:05,980 INFO L134 CoverageAnalysis]: Checked inductivity of 3137 backedges. 17 proven. 110 refuted. 0 times theorem prover too weak. 3010 trivial. 0 not checked. [2018-10-26 23:38:10,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:38:10,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 162 states and 181 transitions. [2018-10-26 23:38:10,743 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 181 transitions. [2018-10-26 23:38:10,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-26 23:38:10,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:38:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:38:11,015 INFO L134 CoverageAnalysis]: Checked inductivity of 4347 backedges. 0 proven. 3687 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2018-10-26 23:38:15,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:38:15,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 187 states and 217 transitions. [2018-10-26 23:38:15,688 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 217 transitions. [2018-10-26 23:38:15,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-10-26 23:38:15,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:38:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:38:15,756 INFO L134 CoverageAnalysis]: Checked inductivity of 4499 backedges. 20 proven. 132 refuted. 0 times theorem prover too weak. 4347 trivial. 0 not checked. [2018-10-26 23:38:21,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:38:21,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 187 states and 207 transitions. [2018-10-26 23:38:21,356 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 207 transitions. [2018-10-26 23:38:21,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-10-26 23:38:21,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:38:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:38:23,299 INFO L134 CoverageAnalysis]: Checked inductivity of 5929 backedges. 0 proven. 5159 refuted. 0 times theorem prover too weak. 770 trivial. 0 not checked. [2018-10-26 23:38:28,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:38:28,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 212 states and 243 transitions. [2018-10-26 23:38:28,843 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 243 transitions. [2018-10-26 23:38:28,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-10-26 23:38:28,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:38:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:38:28,937 INFO L134 CoverageAnalysis]: Checked inductivity of 6106 backedges. 23 proven. 154 refuted. 0 times theorem prover too weak. 5929 trivial. 0 not checked. [2018-10-26 23:38:35,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:38:35,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 212 states and 233 transitions. [2018-10-26 23:38:35,272 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 233 transitions. [2018-10-26 23:38:35,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-10-26 23:38:35,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:38:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:38:35,670 INFO L134 CoverageAnalysis]: Checked inductivity of 7756 backedges. 0 proven. 6876 refuted. 0 times theorem prover too weak. 880 trivial. 0 not checked. [2018-10-26 23:38:42,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:38:42,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 237 states and 269 transitions. [2018-10-26 23:38:42,260 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 269 transitions. [2018-10-26 23:38:42,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-10-26 23:38:42,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:38:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:38:42,356 INFO L134 CoverageAnalysis]: Checked inductivity of 7958 backedges. 26 proven. 176 refuted. 0 times theorem prover too weak. 7756 trivial. 0 not checked. [2018-10-26 23:38:49,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:38:49,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 237 states and 259 transitions. [2018-10-26 23:38:49,748 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 259 transitions. [2018-10-26 23:38:49,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-10-26 23:38:49,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:38:49,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:38:50,267 INFO L134 CoverageAnalysis]: Checked inductivity of 9828 backedges. 0 proven. 8838 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2018-10-26 23:38:53,117 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 11 [2018-10-26 23:39:01,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:39:01,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 262 states and 284 transitions. [2018-10-26 23:39:01,037 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 284 transitions. [2018-10-26 23:39:01,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-10-26 23:39:01,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:39:01,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:39:01,154 INFO L134 CoverageAnalysis]: Checked inductivity of 10055 backedges. 29 proven. 198 refuted. 0 times theorem prover too weak. 9828 trivial. 0 not checked. [2018-10-26 23:39:09,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:39:09,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 262 states and 274 transitions. [2018-10-26 23:39:09,270 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 274 transitions. [2018-10-26 23:39:09,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-10-26 23:39:09,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:39:09,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:39:59,840 INFO L134 CoverageAnalysis]: Checked inductivity of 12145 backedges. 12127 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-26 23:43:29,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:43:29,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 260 states and 272 transitions. [2018-10-26 23:43:29,784 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 272 transitions. [2018-10-26 23:43:29,785 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 23:43:29,785 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 33 iterations. [2018-10-26 23:43:29,793 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 23:43:29,956 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 69 [2018-10-26 23:43:33,015 WARN L179 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 376 DAG size of output: 358 [2018-10-26 23:43:35,486 WARN L179 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 376 DAG size of output: 358 [2018-10-26 23:43:35,558 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:43:35,560 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 23:43:35,561 INFO L582 CodeCheckObserver]: Invariant with dag size 69 [2018-10-26 23:43:35,570 INFO L582 CodeCheckObserver]: Invariant with dag size 358 [2018-10-26 23:43:35,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 11:43:35 ImpRootNode [2018-10-26 23:43:35,589 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 23:43:35,590 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:43:35,590 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:43:35,590 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:43:35,590 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:37:30" (3/4) ... [2018-10-26 23:43:35,595 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 23:43:35,605 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-10-26 23:43:35,605 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 23:43:35,605 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 23:43:35,658 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f9bef819-a772-4bc1-b693-38ea16951a63/bin-2019/ukojak/witness.graphml [2018-10-26 23:43:35,658 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:43:35,660 INFO L168 Benchmark]: Toolchain (without parser) took 365823.95 ms. Allocated memory was 1.0 GB in the beginning and 3.9 GB in the end (delta: 2.9 GB). Free memory was 959.6 MB in the beginning and 2.2 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-10-26 23:43:35,661 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:43:35,661 INFO L168 Benchmark]: CACSL2BoogieTranslator took 217.61 ms. Allocated memory is still 1.0 GB. Free memory was 959.6 MB in the beginning and 948.8 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-10-26 23:43:35,662 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.21 ms. Allocated memory is still 1.0 GB. Free memory is still 948.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:43:35,662 INFO L168 Benchmark]: Boogie Preprocessor took 20.60 ms. Allocated memory is still 1.0 GB. Free memory was 948.8 MB in the beginning and 946.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 23:43:35,662 INFO L168 Benchmark]: RCFGBuilder took 570.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -184.5 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2018-10-26 23:43:35,663 INFO L168 Benchmark]: CodeCheck took 364905.68 ms. Allocated memory was 1.2 GB in the beginning and 3.9 GB in the end (delta: 2.7 GB). Free memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 3.0 GB. Max. memory is 11.5 GB. [2018-10-26 23:43:35,666 INFO L168 Benchmark]: Witness Printer took 68.89 ms. Allocated memory is still 3.9 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:43:35,668 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, 18 locations, 1 error locations. SAFE Result, 359.0s OverallTime, 33 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8 SDtfs, -1029351708 SDslu, 1119879944 SDs, 0 SdLazy, 86508338 SolverSat, 29535334 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 33.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22272 GetRequests, 18657 SyntacticMatches, 1971 SemanticMatches, 1644 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1290954 ImplicationChecksByTransitivity, 352.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 56.0s InterpolantComputationTime, 2944 NumberOfCodeBlocks, 2944 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 2912 ConstructedInterpolants, 0 QuantifiedInterpolants, 1768712 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 32 InterpolantComputations, 5 PerfectInterpolantSequences, 51710/82520 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: 5]: 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: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (((((((((((i + 2 <= n && 10 <= m) && 80 <= k) || ((10 <= m && i + 7 <= n) && 30 <= k)) || ((70 <= k && 10 <= m) && i + 3 <= n)) || ((10 <= m && 90 <= k) && i + 1 <= n)) || ((10 <= m && 60 <= k) && i + 4 <= n)) || ((20 <= k && 10 <= m) && i + 8 <= n)) || ((i + 6 <= n && 40 <= k) && 10 <= m)) || (n < i + 1 && 100 <= k)) || ((i + 5 <= n && 10 <= m) && 50 <= k)) || ((0 <= k && 10 <= m) && i + 10 <= n)) || ((10 <= m && 10 <= k) && i + 9 <= n) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((10 <= m && 10 <= k) && i + 9 <= n) && j + 10 <= m) || (((39 <= k && 10 <= m) && i + 7 <= n) && j + 1 <= m)) || (((i + 6 <= n && 47 <= k) && 10 <= m) && j + 3 <= m)) || (((10 <= m && j + 7 <= m) && 23 <= k) && i + 8 <= n)) || (((i + 2 <= n && j + 2 <= m) && 10 <= m) && 88 <= k)) || (((82 <= k && i + 2 <= n) && 10 <= m) && j + 8 <= m)) || (((i + 5 <= n && j + 5 <= m) && 10 <= m) && 55 <= k)) || ((92 <= k && j + 8 <= m) && n < i + 2)) || (((i + 2 <= n && 10 <= m) && 87 <= k) && j + 3 <= m)) || (((10 <= m && 11 <= k) && i + 9 <= n) && j + 9 <= m)) || ((90 <= k && j + 10 <= m) && n < i + 2)) || (((i + 2 <= n && 10 <= m) && j + 4 <= m) && 86 <= k)) || (((10 <= m && j + 7 <= m) && 73 <= k) && i + 3 <= n)) || (((10 <= m && j + 8 <= m) && 32 <= k) && i + 7 <= n)) || (((i + 5 <= n && 54 <= k) && 10 <= m) && j + 6 <= m)) || (((10 <= m && j + 7 <= m) && 63 <= k) && i + 4 <= n)) || (((85 <= k && i + 2 <= n) && j + 5 <= m) && 10 <= m)) || (((j + 5 <= m && 5 <= k) && 10 <= m) && i + 10 <= n)) || (((17 <= k && 10 <= m) && i + 9 <= n) && j + 3 <= m)) || ((97 <= k && j + 3 <= m) && n < i + 2)) || (((38 <= k && j + 2 <= m) && 10 <= m) && i + 7 <= n)) || (((j + 2 <= m && 10 <= m) && i + 9 <= n) && 18 <= k)) || (((i + 6 <= n && 40 <= k) && 10 <= m) && j + 10 <= m)) || (((69 <= k && 10 <= m) && j + 1 <= m) && i + 4 <= n)) || (((i + 6 <= n && 10 <= m) && 41 <= k) && j + 9 <= m)) || (((j + 2 <= m && 78 <= k) && 10 <= m) && i + 3 <= n)) || (((10 <= m && j + 3 <= m) && 67 <= k) && i + 4 <= n)) || (((i + 6 <= n && 44 <= k) && 10 <= m) && j + 6 <= m)) || (((10 <= m && i + 7 <= n) && j + 9 <= m) && 31 <= k)) || (((10 <= m && i + 10 <= n) && 7 <= k) && j + 3 <= m)) || (((10 <= m && 74 <= k) && j + 6 <= m) && i + 3 <= n)) || (((10 <= m && j + 8 <= m) && i + 9 <= n) && 12 <= k)) || (((19 <= k && 10 <= m) && j + 1 <= m) && i + 9 <= n)) || ((i + 5 <= n && 10 <= m) && 60 <= k)) || ((j + 9 <= m && 91 <= k) && n < i + 2)) || (((79 <= k && 10 <= m) && j + 1 <= m) && i + 3 <= n)) || (((27 <= k && 10 <= m) && j + 3 <= m) && i + 8 <= n)) || ((93 <= k && j + 7 <= m) && n < i + 2)) || (((i + 2 <= n && 10 <= m) && j + 1 <= m) && 89 <= k)) || ((i + 2 <= n && 10 <= m) && 90 <= k)) || (((10 <= m && j + 8 <= m) && 22 <= k) && i + 8 <= n)) || (((28 <= k && j + 2 <= m) && 10 <= m) && i + 8 <= n)) || (((j + 5 <= m && 10 <= m) && i + 8 <= n) && 25 <= k)) || (((6 <= k && 10 <= m) && i + 10 <= n) && j + 4 <= m)) || (((i + 2 <= n && 83 <= k) && 10 <= m) && j + 7 <= m)) || (((72 <= k && 10 <= m) && j + 8 <= m) && i + 3 <= n)) || (((j + 2 <= m && 10 <= m) && 68 <= k) && i + 4 <= n)) || ((10 <= m && 80 <= k) && i + 3 <= n)) || (((i + 6 <= n && 10 <= m) && 46 <= k) && j + 4 <= m)) || (((21 <= k && 10 <= m) && i + 8 <= n) && j + 9 <= m)) || (((i + 6 <= n && j + 5 <= m) && 10 <= m) && 45 <= k)) || (((10 <= m && i + 7 <= n) && j + 6 <= m) && 34 <= k)) || ((j + 6 <= m && 94 <= k) && n < i + 2)) || (((j + 5 <= m && 10 <= m) && 65 <= k) && i + 4 <= n)) || (((i + 6 <= n && j + 2 <= m) && 10 <= m) && 48 <= k)) || (((i + 2 <= n && 10 <= m) && 84 <= k) && j + 6 <= m)) || ((i + 6 <= n && 10 <= m) && 50 <= k)) || (((37 <= k && 10 <= m) && i + 7 <= n) && j + 3 <= m)) || ((j + 2 <= m && 98 <= k) && n < i + 2)) || (((10 <= m && i + 7 <= n) && 30 <= k) && j + 10 <= m)) || (((0 <= k && 10 <= m) && i + 10 <= n) && j + 10 <= m)) || (((i + 5 <= n && 53 <= k) && 10 <= m) && j + 7 <= m)) || (((i + 5 <= n && 10 <= m) && 56 <= k) && j + 4 <= m)) || (((10 <= m && i + 7 <= n) && 36 <= k) && j + 4 <= m)) || (((13 <= k && 10 <= m) && j + 7 <= m) && i + 9 <= n)) || (((i + 5 <= n && j + 2 <= m) && 10 <= m) && 58 <= k)) || (100 <= k && n < i + 2)) || (((10 <= m && i + 10 <= n) && j + 6 <= m) && 4 <= k)) || (((i + 6 <= n && 42 <= k) && 10 <= m) && j + 8 <= m)) || (((i + 5 <= n && 59 <= k) && 10 <= m) && j + 1 <= m)) || (((10 <= m && i + 9 <= n) && j + 6 <= m) && 14 <= k)) || (((i + 5 <= n && 10 <= m) && 51 <= k) && j + 9 <= m)) || (((10 <= m && j + 1 <= m) && i + 10 <= n) && 9 <= k)) || (((2 <= k && 10 <= m) && j + 8 <= m) && i + 10 <= n)) || ((70 <= k && 10 <= m) && i + 4 <= n)) || (((10 <= m && 66 <= k) && i + 4 <= n) && j + 4 <= m)) || ((j + 5 <= m && 95 <= k) && n < i + 2)) || (((10 <= m && j + 9 <= m) && 71 <= k) && i + 3 <= n)) || (((i + 5 <= n && 10 <= m) && j + 8 <= m) && 52 <= k)) || ((10 <= m && i + 8 <= n) && 30 <= k)) || (((77 <= k && 10 <= m) && j + 3 <= m) && i + 3 <= n)) || (((i + 2 <= n && 10 <= m) && 80 <= k) && j + 10 <= m)) || (((76 <= k && 10 <= m) && i + 3 <= n) && j + 4 <= m)) || (((10 <= m && 60 <= k) && i + 4 <= n) && j + 10 <= m)) || (((10 <= m && j + 8 <= m) && 62 <= k) && i + 4 <= n)) || (((26 <= k && 10 <= m) && i + 8 <= n) && j + 4 <= m)) || ((10 <= m && 10 <= k) && i + 10 <= n)) || (((i + 5 <= n && 10 <= m) && 50 <= k) && j + 10 <= m)) || (((10 <= m && i + 9 <= n) && 16 <= k) && j + 4 <= m)) || ((40 <= k && 10 <= m) && i + 7 <= n)) || (((i + 6 <= n && 10 <= m) && 43 <= k) && j + 7 <= m)) || (((33 <= k && 10 <= m) && j + 7 <= m) && i + 7 <= n)) || (((j + 2 <= m && 10 <= m) && i + 10 <= n) && 8 <= k)) || (((10 <= m && j + 9 <= m) && 61 <= k) && i + 4 <= n)) || (((29 <= k && 10 <= m) && j + 1 <= m) && i + 8 <= n)) || (((j + 5 <= m && 10 <= m) && i + 9 <= n) && 15 <= k)) || ((96 <= k && j + 4 <= m) && n < i + 2)) || ((99 <= k && j + 1 <= m) && n < i + 2)) || (((20 <= k && 10 <= m) && i + 8 <= n) && j + 10 <= m)) || (((i + 2 <= n && 10 <= m) && 81 <= k) && j + 9 <= m)) || (((i + 5 <= n && 10 <= m) && j + 3 <= m) && 57 <= k)) || (((35 <= k && j + 5 <= m) && 10 <= m) && i + 7 <= n)) || (((10 <= m && j + 7 <= m) && i + 10 <= n) && 3 <= k)) || (((j + 5 <= m && 10 <= m) && 75 <= k) && i + 3 <= n)) || (((10 <= m && i + 8 <= n) && j + 6 <= m) && 24 <= k)) || (((i + 6 <= n && 49 <= k) && 10 <= m) && j + 1 <= m)) || (((70 <= k && 10 <= m) && i + 3 <= n) && j + 10 <= m)) || (((10 <= m && j + 6 <= m) && 64 <= k) && i + 4 <= n)) || ((20 <= k && 10 <= m) && i + 9 <= n)) || (((1 <= k && 10 <= m) && i + 10 <= n) && j + 9 <= m) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 217.61 ms. Allocated memory is still 1.0 GB. Free memory was 959.6 MB in the beginning and 948.8 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.21 ms. Allocated memory is still 1.0 GB. Free memory is still 948.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.60 ms. Allocated memory is still 1.0 GB. Free memory was 948.8 MB in the beginning and 946.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 570.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.8 MB). Free memory was 946.1 MB in the beginning and 1.1 GB in the end (delta: -184.5 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * CodeCheck took 364905.68 ms. Allocated memory was 1.2 GB in the beginning and 3.9 GB in the end (delta: 2.7 GB). Free memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 3.0 GB. Max. memory is 11.5 GB. * Witness Printer took 68.89 ms. Allocated memory is still 3.9 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...