./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop_true-unreach-call_false-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_89a10ace-3bb2-4df0-a70b-dd686f0dda05/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_89a10ace-3bb2-4df0-a70b-dd686f0dda05/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_89a10ace-3bb2-4df0-a70b-dd686f0dda05/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_89a10ace-3bb2-4df0-a70b-dd686f0dda05/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop_true-unreach-call_false-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_89a10ace-3bb2-4df0-a70b-dd686f0dda05/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_89a10ace-3bb2-4df0-a70b-dd686f0dda05/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 751def0588f132c393a8666a5acb62e8205c40a1 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 12:34:28,103 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:34:28,104 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:34:28,111 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:34:28,111 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:34:28,112 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:34:28,112 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:34:28,113 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:34:28,114 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:34:28,115 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:34:28,116 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:34:28,116 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:34:28,117 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:34:28,117 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:34:28,118 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:34:28,118 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:34:28,119 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:34:28,120 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:34:28,121 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:34:28,123 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:34:28,124 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:34:28,124 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:34:28,126 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:34:28,126 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:34:28,126 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:34:28,127 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:34:28,127 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:34:28,128 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:34:28,128 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:34:28,129 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:34:28,129 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:34:28,130 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:34:28,131 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:34:28,131 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:34:28,131 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:34:28,132 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:34:28,132 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_89a10ace-3bb2-4df0-a70b-dd686f0dda05/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 12:34:28,141 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:34:28,141 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:34:28,142 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:34:28,142 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:34:28,142 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:34:28,142 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:34:28,143 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:34:28,143 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:34:28,143 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:34:28,143 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:34:28,143 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:34:28,143 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:34:28,143 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:34:28,143 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:34:28,143 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:34:28,144 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:34:28,144 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:34:28,144 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 12:34:28,144 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 12:34:28,144 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:34:28,144 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:34:28,144 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:34:28,144 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:34:28,145 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:34:28,145 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:34:28,145 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 12:34:28,145 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:34:28,145 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:34:28,145 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_89a10ace-3bb2-4df0-a70b-dd686f0dda05/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 -> 751def0588f132c393a8666a5acb62e8205c40a1 [2018-11-10 12:34:28,173 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:34:28,182 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:34:28,185 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:34:28,186 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:34:28,186 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:34:28,187 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_89a10ace-3bb2-4df0-a70b-dd686f0dda05/bin-2019/ukojak/../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop_true-unreach-call_false-termination.i [2018-11-10 12:34:28,227 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_89a10ace-3bb2-4df0-a70b-dd686f0dda05/bin-2019/ukojak/data/0be50a567/48de1657302a422ab5696ef2ca887d88/FLAG699d90d21 [2018-11-10 12:34:28,624 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:34:28,624 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_89a10ace-3bb2-4df0-a70b-dd686f0dda05/sv-benchmarks/c/loop-invgen/SpamAssassin-loop_true-unreach-call_false-termination.i [2018-11-10 12:34:28,629 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_89a10ace-3bb2-4df0-a70b-dd686f0dda05/bin-2019/ukojak/data/0be50a567/48de1657302a422ab5696ef2ca887d88/FLAG699d90d21 [2018-11-10 12:34:28,637 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_89a10ace-3bb2-4df0-a70b-dd686f0dda05/bin-2019/ukojak/data/0be50a567/48de1657302a422ab5696ef2ca887d88 [2018-11-10 12:34:28,640 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:34:28,641 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:34:28,642 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:34:28,642 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:34:28,644 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:34:28,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:34:28" (1/1) ... [2018-11-10 12:34:28,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4224e6c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:34:28, skipping insertion in model container [2018-11-10 12:34:28,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:34:28" (1/1) ... [2018-11-10 12:34:28,653 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:34:28,666 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:34:28,769 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:34:28,772 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:34:28,783 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:34:28,792 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:34:28,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:34:28 WrapperNode [2018-11-10 12:34:28,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:34:28,792 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:34:28,793 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:34:28,793 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:34:28,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:34:28" (1/1) ... [2018-11-10 12:34:28,805 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:34:28" (1/1) ... [2018-11-10 12:34:28,821 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:34:28,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:34:28,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:34:28,821 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:34:28,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:34:28" (1/1) ... [2018-11-10 12:34:28,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:34:28" (1/1) ... [2018-11-10 12:34:28,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:34:28" (1/1) ... [2018-11-10 12:34:28,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:34:28" (1/1) ... [2018-11-10 12:34:28,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:34:28" (1/1) ... [2018-11-10 12:34:28,836 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:34:28" (1/1) ... [2018-11-10 12:34:28,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:34:28" (1/1) ... [2018-11-10 12:34:28,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:34:28,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:34:28,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:34:28,842 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:34:28,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:34:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_89a10ace-3bb2-4df0-a70b-dd686f0dda05/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 12:34:28,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:34:28,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:34:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 12:34:28,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 12:34:29,093 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:34:29,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:34:29 BoogieIcfgContainer [2018-11-10 12:34:29,094 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:34:29,094 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 12:34:29,094 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 12:34:29,100 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 12:34:29,101 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:34:29" (1/1) ... [2018-11-10 12:34:29,107 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:34:29,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:29,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 38 states and 60 transitions. [2018-11-10 12:34:29,131 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2018-11-10 12:34:29,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 12:34:29,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:34:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:34:29,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:34:29,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:29,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 43 states and 81 transitions. [2018-11-10 12:34:29,359 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 81 transitions. [2018-11-10 12:34:29,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 12:34:29,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:34:29,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:34:29,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:34:29,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:29,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 43 states and 80 transitions. [2018-11-10 12:34:29,423 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 80 transitions. [2018-11-10 12:34:29,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 12:34:29,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:34:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:34:29,531 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:34:29,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:29,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 50 states and 92 transitions. [2018-11-10 12:34:29,835 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 92 transitions. [2018-11-10 12:34:29,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 12:34:29,836 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:34:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:34:29,897 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:34:29,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:29,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 52 states and 94 transitions. [2018-11-10 12:34:29,967 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 94 transitions. [2018-11-10 12:34:29,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 12:34:29,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:34:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:34:30,061 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 12:34:30,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:30,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 60 states and 113 transitions. [2018-11-10 12:34:30,483 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 113 transitions. [2018-11-10 12:34:30,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 12:34:30,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:34:30,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:34:30,515 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 12:34:30,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:30,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 59 states and 111 transitions. [2018-11-10 12:34:30,571 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 111 transitions. [2018-11-10 12:34:30,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 12:34:30,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:34:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:34:30,598 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 12:34:30,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:30,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 59 states and 110 transitions. [2018-11-10 12:34:30,621 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 110 transitions. [2018-11-10 12:34:30,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 12:34:30,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:34:30,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:34:30,708 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 12:34:31,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:31,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 66 states and 126 transitions. [2018-11-10 12:34:31,141 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 126 transitions. [2018-11-10 12:34:31,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 12:34:31,142 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:34:31,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:34:31,159 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 12:34:31,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:31,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 66 states and 125 transitions. [2018-11-10 12:34:31,191 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 125 transitions. [2018-11-10 12:34:31,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 12:34:31,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:34:31,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:34:31,208 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 12:34:31,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:31,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 66 states and 124 transitions. [2018-11-10 12:34:31,239 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 124 transitions. [2018-11-10 12:34:31,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-10 12:34:31,240 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:34:31,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:34:31,290 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 12:34:31,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:31,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 70 states and 130 transitions. [2018-11-10 12:34:31,444 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 130 transitions. [2018-11-10 12:34:31,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-10 12:34:31,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:34:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:34:31,464 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 12:34:31,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:31,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 73 states and 136 transitions. [2018-11-10 12:34:31,491 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 136 transitions. [2018-11-10 12:34:31,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 12:34:31,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:34:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:34:31,531 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 12:34:31,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:31,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 77 states and 142 transitions. [2018-11-10 12:34:31,681 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 142 transitions. [2018-11-10 12:34:31,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 12:34:31,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:34:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:34:31,697 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 12:34:31,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:31,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 81 states and 149 transitions. [2018-11-10 12:34:31,737 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 149 transitions. [2018-11-10 12:34:31,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-10 12:34:31,738 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:34:31,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:34:31,787 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 17 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 12:34:31,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:31,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 83 states and 156 transitions. [2018-11-10 12:34:31,982 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 156 transitions. [2018-11-10 12:34:31,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 12:34:31,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:34:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:34:32,016 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-10 12:34:32,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:32,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 86 states and 160 transitions. [2018-11-10 12:34:32,405 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 160 transitions. [2018-11-10 12:34:32,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-10 12:34:32,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:34:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:34:32,423 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 12 proven. 19 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-10 12:34:32,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:32,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 88 states and 164 transitions. [2018-11-10 12:34:32,562 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 164 transitions. [2018-11-10 12:34:32,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-10 12:34:32,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:34:32,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:34:32,583 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-10 12:34:32,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:32,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 93 states and 173 transitions. [2018-11-10 12:34:32,798 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 173 transitions. [2018-11-10 12:34:32,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-10 12:34:32,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:34:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:34:32,814 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 13 proven. 19 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-10 12:34:33,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:33,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 97 states and 181 transitions. [2018-11-10 12:34:33,091 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 181 transitions. [2018-11-10 12:34:33,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-11-10 12:34:33,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:34:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:34:33,109 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-10 12:34:33,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:33,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 99 states and 182 transitions. [2018-11-10 12:34:33,168 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 182 transitions. [2018-11-10 12:34:33,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 12:34:33,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:34:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:34:33,216 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 15 proven. 22 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-11-10 12:34:33,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:33,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 104 states and 192 transitions. [2018-11-10 12:34:33,555 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 192 transitions. [2018-11-10 12:34:33,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-10 12:34:33,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:34:33,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:34:33,571 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 15 proven. 28 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-11-10 12:34:34,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:34,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 112 states and 214 transitions. [2018-11-10 12:34:34,172 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 214 transitions. [2018-11-10 12:34:34,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-10 12:34:34,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:34:34,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:34:34,237 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 17 proven. 25 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-10 12:34:34,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:34,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 114 states and 220 transitions. [2018-11-10 12:34:34,657 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 220 transitions. [2018-11-10 12:34:34,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-10 12:34:34,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:34:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:34:34,669 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 24 proven. 25 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-10 12:34:34,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:34,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 114 states and 219 transitions. [2018-11-10 12:34:34,698 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 219 transitions. [2018-11-10 12:34:34,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-10 12:34:34,699 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:34:34,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:34:34,714 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 24 proven. 25 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-11-10 12:34:35,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:35,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 120 states and 235 transitions. [2018-11-10 12:34:35,289 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 235 transitions. [2018-11-10 12:34:35,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-10 12:34:35,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:34:35,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:34:35,345 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 19 proven. 28 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2018-11-10 12:34:35,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:35,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 123 states and 241 transitions. [2018-11-10 12:34:35,529 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 241 transitions. [2018-11-10 12:34:35,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-10 12:34:35,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:34:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:34:35,543 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 19 proven. 38 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2018-11-10 12:34:35,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:35,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 127 states and 247 transitions. [2018-11-10 12:34:35,701 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 247 transitions. [2018-11-10 12:34:35,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-10 12:34:35,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:34:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:34:35,718 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 19 proven. 35 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2018-11-10 12:34:35,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:35,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 130 states and 256 transitions. [2018-11-10 12:34:35,764 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 256 transitions. [2018-11-10 12:34:35,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-10 12:34:35,764 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:34:35,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:34:35,775 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 44 proven. 32 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-11-10 12:34:36,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:36,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 131 states and 259 transitions. [2018-11-10 12:34:36,097 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 259 transitions. [2018-11-10 12:34:36,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-10 12:34:36,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:34:36,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:34:36,114 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 31 proven. 32 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2018-11-10 12:34:36,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:36,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 135 states and 265 transitions. [2018-11-10 12:34:36,324 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 265 transitions. [2018-11-10 12:34:36,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-10 12:34:36,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:34:36,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:34:36,339 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 27 proven. 32 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2018-11-10 12:34:36,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:36,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 138 states and 273 transitions. [2018-11-10 12:34:36,377 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 273 transitions. [2018-11-10 12:34:36,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-11-10 12:34:36,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:34:36,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:34:36,389 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 51 proven. 38 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2018-11-10 12:34:36,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:36,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 138 states and 272 transitions. [2018-11-10 12:34:36,466 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 272 transitions. [2018-11-10 12:34:36,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-10 12:34:36,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:34:36,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:34:36,489 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 26 proven. 34 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2018-11-10 12:34:36,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:36,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 138 states and 271 transitions. [2018-11-10 12:34:36,884 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 271 transitions. [2018-11-10 12:34:36,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-10 12:34:36,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:34:36,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:34:36,976 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 23 proven. 52 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2018-11-10 12:34:37,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:37,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 148 states and 288 transitions. [2018-11-10 12:34:37,368 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 288 transitions. [2018-11-10 12:34:37,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-10 12:34:37,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:34:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:34:37,385 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 45 proven. 50 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2018-11-10 12:34:37,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:37,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 152 states and 301 transitions. [2018-11-10 12:34:37,971 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 301 transitions. [2018-11-10 12:34:37,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-10 12:34:37,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:34:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:34:38,050 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 27 proven. 43 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2018-11-10 12:34:38,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:38,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 160 states and 327 transitions. [2018-11-10 12:34:38,889 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 327 transitions. [2018-11-10 12:34:38,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-10 12:34:38,889 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:34:38,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:34:38,909 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 27 proven. 41 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2018-11-10 12:34:39,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:39,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 64 states and 100 transitions. [2018-11-10 12:34:39,973 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 100 transitions. [2018-11-10 12:34:39,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-10 12:34:39,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 12:34:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:34:39,990 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 61 proven. 50 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2018-11-10 12:34:40,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 12:34:40,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 45 states and 70 transitions. [2018-11-10 12:34:40,167 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 70 transitions. [2018-11-10 12:34:40,168 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 12:34:40,168 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 39 iterations. [2018-11-10 12:34:40,174 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 12:34:40,520 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:34:40,522 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:34:40,522 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:34:40,523 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 12:34:40,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 12:34:40 ImpRootNode [2018-11-10 12:34:40,523 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 12:34:40,523 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:34:40,523 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:34:40,524 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:34:40,524 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:34:29" (3/4) ... [2018-11-10 12:34:40,527 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 12:34:40,533 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-10 12:34:40,537 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-10 12:34:40,537 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 12:34:40,538 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 12:34:40,582 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_89a10ace-3bb2-4df0-a70b-dd686f0dda05/bin-2019/ukojak/witness.graphml [2018-11-10 12:34:40,582 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:34:40,583 INFO L168 Benchmark]: Toolchain (without parser) took 11942.25 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 432.5 MB). Free memory was 954.4 MB in the beginning and 822.8 MB in the end (delta: 131.7 MB). Peak memory consumption was 564.2 MB. Max. memory is 11.5 GB. [2018-11-10 12:34:40,584 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:34:40,584 INFO L168 Benchmark]: CACSL2BoogieTranslator took 150.50 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:34:40,585 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.45 ms. Allocated memory is still 1.0 GB. Free memory was 943.7 MB in the beginning and 941.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:34:40,585 INFO L168 Benchmark]: Boogie Preprocessor took 20.51 ms. Allocated memory is still 1.0 GB. Free memory is still 941.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:34:40,585 INFO L168 Benchmark]: RCFGBuilder took 252.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -203.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:34:40,586 INFO L168 Benchmark]: CodeCheck took 11429.00 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 267.9 MB). Free memory was 1.1 GB in the beginning and 825.2 MB in the end (delta: 318.8 MB). Peak memory consumption was 586.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:34:40,586 INFO L168 Benchmark]: Witness Printer took 58.73 ms. Allocated memory is still 1.5 GB. Free memory was 825.2 MB in the beginning and 822.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:34:40,588 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 2 procedures, 40 locations, 1 error locations. SAFE Result, 11.0s OverallTime, 39 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 1866621064 SDslu, -1964100056 SDs, 0 SdLazy, -72723372 SolverSat, 1743741468 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19408 GetRequests, 18737 SyntacticMatches, 381 SemanticMatches, 290 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39544 ImplicationChecksByTransitivity, 8.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1928 NumberOfCodeBlocks, 1928 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 1890 ConstructedInterpolants, 0 QuantifiedInterpolants, 249050 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 38 InterpolantComputations, 4 PerfectInterpolantSequences, 4488/5270 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: 20]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: 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 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 150.50 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.45 ms. Allocated memory is still 1.0 GB. Free memory was 943.7 MB in the beginning and 941.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.51 ms. Allocated memory is still 1.0 GB. Free memory is still 941.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 252.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.6 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -203.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * CodeCheck took 11429.00 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 267.9 MB). Free memory was 1.1 GB in the beginning and 825.2 MB in the end (delta: 318.8 MB). Peak memory consumption was 586.7 MB. Max. memory is 11.5 GB. * Witness Printer took 58.73 ms. Allocated memory is still 1.5 GB. Free memory was 825.2 MB in the beginning and 822.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...