./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ssh-simplified/s3_srvr_14_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8c8e0555-02d6-4926-aedc-d2b1b0b87a2f/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8c8e0555-02d6-4926-aedc-d2b1b0b87a2f/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8c8e0555-02d6-4926-aedc-d2b1b0b87a2f/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8c8e0555-02d6-4926-aedc-d2b1b0b87a2f/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ssh-simplified/s3_srvr_14_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8c8e0555-02d6-4926-aedc-d2b1b0b87a2f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8c8e0555-02d6-4926-aedc-d2b1b0b87a2f/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 8b245293effe524631a7c3459bf277cf6c81eafa ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 18:06:52,899 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 18:06:52,900 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 18:06:52,906 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 18:06:52,906 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 18:06:52,907 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 18:06:52,907 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 18:06:52,908 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 18:06:52,909 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 18:06:52,909 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 18:06:52,910 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 18:06:52,910 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 18:06:52,910 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 18:06:52,911 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 18:06:52,911 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 18:06:52,911 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 18:06:52,912 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 18:06:52,913 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 18:06:52,913 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 18:06:52,914 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 18:06:52,915 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 18:06:52,915 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 18:06:52,916 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 18:06:52,916 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 18:06:52,916 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 18:06:52,917 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 18:06:52,917 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 18:06:52,918 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 18:06:52,918 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 18:06:52,918 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 18:06:52,919 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 18:06:52,919 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 18:06:52,919 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 18:06:52,919 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 18:06:52,920 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 18:06:52,920 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 18:06:52,920 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8c8e0555-02d6-4926-aedc-d2b1b0b87a2f/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 18:06:52,927 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 18:06:52,927 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 18:06:52,928 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 18:06:52,928 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 18:06:52,928 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 18:06:52,928 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 18:06:52,928 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 18:06:52,928 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 18:06:52,928 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 18:06:52,928 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 18:06:52,929 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 18:06:52,929 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 18:06:52,929 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 18:06:52,929 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 18:06:52,929 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 18:06:52,929 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 18:06:52,929 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 18:06:52,929 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 18:06:52,929 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 18:06:52,929 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 18:06:52,929 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 18:06:52,929 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 18:06:52,930 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 18:06:52,930 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 18:06:52,930 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 18:06:52,930 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 18:06:52,930 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 18:06:52,930 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 18:06:52,930 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 18:06:52,930 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_8c8e0555-02d6-4926-aedc-d2b1b0b87a2f/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 -> 8b245293effe524631a7c3459bf277cf6c81eafa [2018-12-02 18:06:52,948 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 18:06:52,956 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 18:06:52,959 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 18:06:52,960 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 18:06:52,960 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 18:06:52,961 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8c8e0555-02d6-4926-aedc-d2b1b0b87a2f/bin-2019/ukojak/../../sv-benchmarks/c/ssh-simplified/s3_srvr_14_false-unreach-call_false-termination.cil.c [2018-12-02 18:06:53,001 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8c8e0555-02d6-4926-aedc-d2b1b0b87a2f/bin-2019/ukojak/data/ab836090b/fefbb57e2eec47129769789bf88e4317/FLAG689fe5ddf [2018-12-02 18:06:53,299 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 18:06:53,299 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8c8e0555-02d6-4926-aedc-d2b1b0b87a2f/sv-benchmarks/c/ssh-simplified/s3_srvr_14_false-unreach-call_false-termination.cil.c [2018-12-02 18:06:53,304 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8c8e0555-02d6-4926-aedc-d2b1b0b87a2f/bin-2019/ukojak/data/ab836090b/fefbb57e2eec47129769789bf88e4317/FLAG689fe5ddf [2018-12-02 18:06:53,313 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8c8e0555-02d6-4926-aedc-d2b1b0b87a2f/bin-2019/ukojak/data/ab836090b/fefbb57e2eec47129769789bf88e4317 [2018-12-02 18:06:53,315 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 18:06:53,315 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 18:06:53,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 18:06:53,316 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 18:06:53,318 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 18:06:53,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:06:53" (1/1) ... [2018-12-02 18:06:53,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3757d378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:53, skipping insertion in model container [2018-12-02 18:06:53,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:06:53" (1/1) ... [2018-12-02 18:06:53,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 18:06:53,344 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 18:06:53,462 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:06:53,464 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 18:06:53,497 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:06:53,537 INFO L195 MainTranslator]: Completed translation [2018-12-02 18:06:53,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:53 WrapperNode [2018-12-02 18:06:53,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 18:06:53,538 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 18:06:53,538 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 18:06:53,538 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 18:06:53,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:53" (1/1) ... [2018-12-02 18:06:53,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:53" (1/1) ... [2018-12-02 18:06:53,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 18:06:53,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 18:06:53,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 18:06:53,575 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 18:06:53,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:53" (1/1) ... [2018-12-02 18:06:53,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:53" (1/1) ... [2018-12-02 18:06:53,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:53" (1/1) ... [2018-12-02 18:06:53,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:53" (1/1) ... [2018-12-02 18:06:53,587 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:53" (1/1) ... [2018-12-02 18:06:53,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:53" (1/1) ... [2018-12-02 18:06:53,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:53" (1/1) ... [2018-12-02 18:06:53,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 18:06:53,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 18:06:53,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 18:06:53,595 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 18:06:53,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:06:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8c8e0555-02d6-4926-aedc-d2b1b0b87a2f/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 18:06:53,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 18:06:53,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 18:06:53,701 WARN L650 $ProcedureCfgBuilder]: Two Gotos in a row! There was dead code [2018-12-02 18:06:53,701 WARN L615 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-12-02 18:06:54,134 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 18:06:54,134 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 18:06:54,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:06:54 BoogieIcfgContainer [2018-12-02 18:06:54,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 18:06:54,135 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 18:06:54,136 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 18:06:54,144 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 18:06:54,144 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:06:54" (1/1) ... [2018-12-02 18:06:54,151 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:06:54,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:06:54,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 113 states and 197 transitions. [2018-12-02 18:06:54,174 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 197 transitions. [2018-12-02 18:06:54,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 18:06:54,176 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:06:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:06:54,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:06:54,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:06:54,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 115 states and 197 transitions. [2018-12-02 18:06:54,296 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 197 transitions. [2018-12-02 18:06:54,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 18:06:54,297 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:06:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:06:54,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:06:54,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:06:54,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 118 states and 200 transitions. [2018-12-02 18:06:54,380 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 200 transitions. [2018-12-02 18:06:54,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 18:06:54,381 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:06:54,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:06:54,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:06:54,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:06:54,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 122 states and 204 transitions. [2018-12-02 18:06:54,475 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 204 transitions. [2018-12-02 18:06:54,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 18:06:54,477 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:06:54,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:06:54,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:06:54,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:06:54,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 129 states and 211 transitions. [2018-12-02 18:06:54,588 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 211 transitions. [2018-12-02 18:06:54,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 18:06:54,589 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:06:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:06:54,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:06:54,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:06:54,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 138 states and 220 transitions. [2018-12-02 18:06:54,748 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 220 transitions. [2018-12-02 18:06:54,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 18:06:54,749 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:06:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:06:54,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:06:54,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:06:54,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 143 states and 225 transitions. [2018-12-02 18:06:54,921 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 225 transitions. [2018-12-02 18:06:54,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 18:06:54,922 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:06:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:06:54,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:06:55,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:06:55,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 151 states and 233 transitions. [2018-12-02 18:06:55,142 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 233 transitions. [2018-12-02 18:06:55,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 18:06:55,143 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:06:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:06:55,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:06:55,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:06:55,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 157 states and 239 transitions. [2018-12-02 18:06:55,342 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 239 transitions. [2018-12-02 18:06:55,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 18:06:55,343 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:06:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:06:55,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:06:56,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:06:56,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 175 states and 286 transitions. [2018-12-02 18:06:56,052 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 286 transitions. [2018-12-02 18:06:56,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 18:06:56,053 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:06:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:06:56,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:06:56,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:06:56,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 186 states and 298 transitions. [2018-12-02 18:06:56,803 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 298 transitions. [2018-12-02 18:06:56,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 18:06:56,805 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:06:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:06:56,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:06:57,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:06:57,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 198 states and 311 transitions. [2018-12-02 18:06:57,570 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 311 transitions. [2018-12-02 18:06:57,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 18:06:57,571 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:06:57,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:06:57,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:06:58,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:06:58,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 201 states and 314 transitions. [2018-12-02 18:06:58,299 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 314 transitions. [2018-12-02 18:06:58,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 18:06:58,300 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:06:58,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:06:58,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:06:59,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:06:59,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 215 states and 329 transitions. [2018-12-02 18:06:59,509 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 329 transitions. [2018-12-02 18:06:59,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 18:06:59,510 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:06:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:06:59,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:07:01,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:07:01,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 230 states and 345 transitions. [2018-12-02 18:07:01,566 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 345 transitions. [2018-12-02 18:07:01,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-02 18:07:01,567 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:07:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:07:01,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:07:03,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:07:03,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 246 states and 362 transitions. [2018-12-02 18:07:03,841 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 362 transitions. [2018-12-02 18:07:03,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-02 18:07:03,841 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:07:03,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:07:03,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:07:05,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:07:05,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 265 states and 382 transitions. [2018-12-02 18:07:05,887 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 382 transitions. [2018-12-02 18:07:05,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-02 18:07:05,887 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:07:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:07:05,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:07:08,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:07:08,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 285 states and 403 transitions. [2018-12-02 18:07:08,461 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 403 transitions. [2018-12-02 18:07:08,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-02 18:07:08,462 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:07:08,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:07:08,522 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:07:11,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:07:11,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 298 states and 440 transitions. [2018-12-02 18:07:11,541 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 440 transitions. [2018-12-02 18:07:11,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-02 18:07:11,542 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:07:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:07:11,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:07:15,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:07:15,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 315 states and 459 transitions. [2018-12-02 18:07:15,302 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 459 transitions. [2018-12-02 18:07:15,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-02 18:07:15,303 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:07:15,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:07:15,374 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:07:19,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:07:19,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 319 states and 482 transitions. [2018-12-02 18:07:19,519 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 482 transitions. [2018-12-02 18:07:19,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-02 18:07:19,519 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:07:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:07:19,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:07:24,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:07:24,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 337 states and 502 transitions. [2018-12-02 18:07:24,092 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 502 transitions. [2018-12-02 18:07:24,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-02 18:07:24,093 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:07:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:07:24,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:07:31,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:07:31,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 358 states and 525 transitions. [2018-12-02 18:07:31,257 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 525 transitions. [2018-12-02 18:07:31,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-02 18:07:31,258 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:07:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:07:31,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:07:38,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:07:38,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 380 states and 549 transitions. [2018-12-02 18:07:38,046 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 549 transitions. [2018-12-02 18:07:38,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-02 18:07:38,046 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:07:38,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:07:38,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:07:45,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:07:45,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 403 states and 574 transitions. [2018-12-02 18:07:45,597 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 574 transitions. [2018-12-02 18:07:45,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-02 18:07:45,597 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:07:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:07:45,678 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:07:46,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:07:46,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 409 states and 595 transitions. [2018-12-02 18:07:46,474 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 595 transitions. [2018-12-02 18:07:46,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-02 18:07:46,474 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:07:46,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:07:46,484 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:07:46,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:07:46,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 410 states and 596 transitions. [2018-12-02 18:07:46,492 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 596 transitions. [2018-12-02 18:07:46,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-02 18:07:46,493 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:07:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:07:46,501 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 18:07:46,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:07:46,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 415 states and 605 transitions. [2018-12-02 18:07:46,513 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 605 transitions. [2018-12-02 18:07:46,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-02 18:07:46,514 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:07:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:07:46,606 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:07:47,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:07:47,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 421 states and 623 transitions. [2018-12-02 18:07:47,287 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 623 transitions. [2018-12-02 18:07:47,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-02 18:07:47,287 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:07:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:07:47,294 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:07:47,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:07:47,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 422 states and 624 transitions. [2018-12-02 18:07:47,301 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 624 transitions. [2018-12-02 18:07:47,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-02 18:07:47,302 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:07:47,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:07:47,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:07:55,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:07:55,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 446 states and 650 transitions. [2018-12-02 18:07:55,077 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 650 transitions. [2018-12-02 18:07:55,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 18:07:55,078 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:07:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:07:55,085 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:07:55,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:07:55,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 447 states and 651 transitions. [2018-12-02 18:07:55,106 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 651 transitions. [2018-12-02 18:07:55,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 18:07:55,106 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:07:55,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:07:55,117 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:07:55,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:07:55,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 448 states and 652 transitions. [2018-12-02 18:07:55,130 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 652 transitions. [2018-12-02 18:07:55,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 18:07:55,131 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:07:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:07:55,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:08:04,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:08:04,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 474 states and 680 transitions. [2018-12-02 18:08:04,288 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 680 transitions. [2018-12-02 18:08:04,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 18:08:04,289 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:08:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:08:04,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:08:16,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:08:16,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 504 states and 712 transitions. [2018-12-02 18:08:16,760 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 712 transitions. [2018-12-02 18:08:16,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 18:08:16,761 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:08:16,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:08:16,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:08:26,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:08:26,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 529 states and 739 transitions. [2018-12-02 18:08:26,853 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 739 transitions. [2018-12-02 18:08:26,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-02 18:08:26,853 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:08:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:08:26,860 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:08:26,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:08:26,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 530 states and 739 transitions. [2018-12-02 18:08:26,870 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 739 transitions. [2018-12-02 18:08:26,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-02 18:08:26,870 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:08:26,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:08:26,987 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:08:28,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:08:28,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 547 states and 803 transitions. [2018-12-02 18:08:28,080 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 803 transitions. [2018-12-02 18:08:28,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-02 18:08:28,081 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:08:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:08:28,093 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:08:28,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:08:28,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 549 states and 805 transitions. [2018-12-02 18:08:28,135 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 805 transitions. [2018-12-02 18:08:28,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-02 18:08:28,135 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:08:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:08:28,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:08:42,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:08:42,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 576 states and 834 transitions. [2018-12-02 18:08:42,895 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 834 transitions. [2018-12-02 18:08:42,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-12-02 18:08:42,895 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:08:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:08:42,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:08:56,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:08:56,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 607 states and 867 transitions. [2018-12-02 18:08:56,823 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 867 transitions. [2018-12-02 18:08:56,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 18:08:56,824 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:08:56,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:08:56,835 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:08:59,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:08:59,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 607 states and 863 transitions. [2018-12-02 18:08:59,631 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 863 transitions. [2018-12-02 18:08:59,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 18:08:59,631 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:08:59,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:08:59,765 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 18:09:00,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:09:00,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 607 states and 862 transitions. [2018-12-02 18:09:00,147 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 862 transitions. [2018-12-02 18:09:00,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 18:09:00,147 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:09:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:09:00,154 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:09:00,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:09:00,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 608 states and 862 transitions. [2018-12-02 18:09:00,181 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 862 transitions. [2018-12-02 18:09:00,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 18:09:00,181 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:09:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:09:00,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:09:14,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:09:14,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 636 states and 892 transitions. [2018-12-02 18:09:14,081 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 892 transitions. [2018-12-02 18:09:14,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-02 18:09:14,081 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:09:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:09:14,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:09:30,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:09:30,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 665 states and 923 transitions. [2018-12-02 18:09:30,071 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 923 transitions. [2018-12-02 18:09:30,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 18:09:30,071 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:09:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:09:30,249 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:09:34,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:09:34,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 686 states and 1001 transitions. [2018-12-02 18:09:34,603 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 1001 transitions. [2018-12-02 18:09:34,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-02 18:09:34,603 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:09:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:09:34,610 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:09:34,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:09:34,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 687 states and 1002 transitions. [2018-12-02 18:09:34,617 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 1002 transitions. [2018-12-02 18:09:34,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-02 18:09:34,618 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:09:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:09:34,624 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:09:34,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:09:34,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 691 states and 1006 transitions. [2018-12-02 18:09:34,858 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 1006 transitions. [2018-12-02 18:09:34,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-02 18:09:34,859 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:09:34,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:09:34,865 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:09:37,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:09:37,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1051 states to 709 states and 1051 transitions. [2018-12-02 18:09:37,235 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 1051 transitions. [2018-12-02 18:09:37,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 18:09:37,236 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:09:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:09:37,349 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-02 18:09:37,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 18:09:37,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 712 states and 1080 transitions. [2018-12-02 18:09:37,785 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 1080 transitions. [2018-12-02 18:09:37,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-02 18:09:37,786 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 18:09:37,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:09:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:09:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:09:37,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:09:37,869 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 51 iterations. [2018-12-02 18:09:37,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 06:09:37 ImpRootNode [2018-12-02 18:09:37,898 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 18:09:37,898 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 18:09:37,898 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 18:09:37,899 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 18:09:37,899 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:06:54" (3/4) ... [2018-12-02 18:09:37,900 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 18:09:37,969 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8c8e0555-02d6-4926-aedc-d2b1b0b87a2f/bin-2019/ukojak/witness.graphml [2018-12-02 18:09:37,969 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 18:09:37,970 INFO L168 Benchmark]: Toolchain (without parser) took 164654.88 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 384.3 MB). Free memory was 953.3 MB in the beginning and 821.4 MB in the end (delta: 131.9 MB). Peak memory consumption was 516.2 MB. Max. memory is 11.5 GB. [2018-12-02 18:09:37,971 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:09:37,971 INFO L168 Benchmark]: CACSL2BoogieTranslator took 221.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -135.1 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. [2018-12-02 18:09:37,971 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 18:09:37,972 INFO L168 Benchmark]: Boogie Preprocessor took 19.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 18:09:37,972 INFO L168 Benchmark]: RCFGBuilder took 540.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 985.3 MB in the end (delta: 95.0 MB). Peak memory consumption was 95.0 MB. Max. memory is 11.5 GB. [2018-12-02 18:09:37,972 INFO L168 Benchmark]: CodeCheck took 163762.80 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 294.6 MB). Free memory was 985.3 MB in the beginning and 832.3 MB in the end (delta: 153.1 MB). Peak memory consumption was 447.7 MB. Max. memory is 11.5 GB. [2018-12-02 18:09:37,972 INFO L168 Benchmark]: Witness Printer took 70.90 ms. Allocated memory is still 1.4 GB. Free memory was 832.3 MB in the beginning and 821.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-12-02 18:09:37,975 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, 152 locations, 1 error locations. UNSAFE Result, 163.7s OverallTime, 51 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1826082008 SDtfs, 177955926 SDslu, -1553919588 SDs, 0 SdLazy, -28388040 SolverSat, -1213547498 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 47.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15712 GetRequests, 14174 SyntacticMatches, 276 SemanticMatches, 1262 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1059177 ImplicationChecksByTransitivity, 159.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1648 NumberOfCodeBlocks, 1648 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 1553 ConstructedInterpolants, 0 QuantifiedInterpolants, 131698 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 50 InterpolantComputations, 50 PerfectInterpolantSequences, 206/206 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 - CounterExampleResult [Line: 641]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L646] int s ; [L647] int tmp ; [L651] s = 8464 [L12] int s__info_callback = __VERIFIER_nondet_int() ; [L13] int s__in_handshake = __VERIFIER_nondet_int() ; [L14] int s__state ; [L15] int s__new_session ; [L16] int s__server ; [L17] int s__version = __VERIFIER_nondet_int() ; [L18] int s__type ; [L19] int s__init_num ; [L20] int s__hit = __VERIFIER_nondet_int() ; [L21] int s__rwstate ; [L22] int s__init_buf___0 ; [L23] int s__debug = __VERIFIER_nondet_int() ; [L24] int s__shutdown ; [L25] int s__cert = __VERIFIER_nondet_int() ; [L26] int s__options = __VERIFIER_nondet_int() ; [L27] int s__verify_mode = __VERIFIER_nondet_int() ; [L28] int s__session__peer = __VERIFIER_nondet_int() ; [L29] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int() ; [L30] int s__ctx__info_callback = __VERIFIER_nondet_int() ; [L31] int s__ctx__stats__sess_accept_renegotiate = __VERIFIER_nondet_int() ; [L32] int s__ctx__stats__sess_accept = __VERIFIER_nondet_int() ; [L33] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int() ; [L34] int s__s3__tmp__cert_request ; [L35] int s__s3__tmp__reuse_message ; [L36] int s__s3__tmp__use_rsa_tmp ; [L37] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int() ; [L38] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int() ; [L39] int s__s3__tmp__next_state___0 ; [L40] int s__s3__tmp__new_cipher__algo_strength = __VERIFIER_nondet_int() ; [L41] int s__session__cipher ; [L42] int buf ; [L43] unsigned long l ; [L44] unsigned long Time ; [L45] unsigned long tmp ; [L46] int cb ; [L47] long num1 = __VERIFIER_nondet_long() ; [L48] int ret ; [L49] int new_state ; [L50] int state ; [L51] int skip ; [L52] int got_new_session ; [L53] int tmp___1 = __VERIFIER_nondet_int() ; [L54] int tmp___2 = __VERIFIER_nondet_int() ; [L55] int tmp___3 = __VERIFIER_nondet_int() ; [L56] int tmp___4 = __VERIFIER_nondet_int() ; [L57] int tmp___5 = __VERIFIER_nondet_int() ; [L58] int tmp___6 = __VERIFIER_nondet_int() ; [L59] int tmp___7 ; [L60] long tmp___8 = __VERIFIER_nondet_long() ; [L61] int tmp___9 = __VERIFIER_nondet_int() ; [L62] int tmp___10 = __VERIFIER_nondet_int() ; [L63] int blastFlag ; [L64] int __cil_tmp55 ; [L65] unsigned long __cil_tmp56 ; [L66] unsigned long __cil_tmp57 ; [L67] unsigned long __cil_tmp58 ; [L68] unsigned long __cil_tmp59 ; [L69] int __cil_tmp60 ; [L70] unsigned long __cil_tmp61 ; [L73] s__s3__tmp__reuse_message = 0 [L74] s__state = initial_state [L75] blastFlag = 0 [L76] tmp = __VERIFIER_nondet_int() [L77] Time = tmp [L78] cb = 0 [L79] ret = -1 [L80] skip = 0 [L81] got_new_session = 0 [L82] COND FALSE !(s__info_callback != 0) [L85] COND FALSE !(s__ctx__info_callback != 0) [L89] s__in_handshake ++ [L90] COND TRUE tmp___1 + 12288 [L91] COND TRUE tmp___2 + 16384 [L95] COND FALSE !(s__cert == 0) [L99] COND TRUE 1 [L101] state = s__state [L102] COND FALSE !(s__state == 12292) [L105] COND FALSE !(s__state == 16384) [L108] COND FALSE !(s__state == 8192) [L111] COND FALSE !(s__state == 24576) [L114] COND FALSE !(s__state == 8195) [L117] COND FALSE !(s__state == 8480) [L120] COND FALSE !(s__state == 8481) [L123] COND FALSE !(s__state == 8482) [L126] COND TRUE s__state == 8464 [L272] s__shutdown = 0 [L273] ret = __VERIFIER_nondet_int() [L274] COND TRUE blastFlag == 0 [L275] blastFlag = 1 [L277] COND FALSE !(ret <= 0) [L280] got_new_session = 1 [L281] s__state = 8496 [L282] s__init_num = 0 [L603] COND TRUE ! s__s3__tmp__reuse_message [L604] COND TRUE ! skip [L605] COND TRUE tmp___1 != -12288 [L606] COND TRUE s__state != 8656 [L607] COND TRUE tmp___2 != -16384 [L608] COND FALSE !(state == 8496) [L615] COND FALSE !(\read(s__debug)) [L621] COND FALSE !(cb != 0) [L630] skip = 0 [L99] COND TRUE 1 [L101] state = s__state [L102] COND FALSE !(s__state == 12292) [L105] COND FALSE !(s__state == 16384) [L108] COND FALSE !(s__state == 8192) [L111] COND FALSE !(s__state == 24576) [L114] COND FALSE !(s__state == 8195) [L117] COND FALSE !(s__state == 8480) [L120] COND FALSE !(s__state == 8481) [L123] COND FALSE !(s__state == 8482) [L126] COND FALSE !(s__state == 8464) [L129] COND FALSE !(s__state == 8465) [L132] COND FALSE !(s__state == 8466) [L135] COND TRUE s__state == 8496 [L286] ret = __VERIFIER_nondet_int() [L287] COND TRUE blastFlag == 1 [L288] blastFlag = 2 [L290] COND FALSE !(ret <= 0) [L293] COND FALSE !(\read(s__hit)) [L296] s__state = 8512 [L298] s__init_num = 0 [L603] COND TRUE ! s__s3__tmp__reuse_message [L604] COND TRUE ! skip [L605] COND TRUE tmp___1 != -12288 [L606] COND TRUE s__state != 8656 [L607] COND TRUE tmp___2 != -16384 [L608] COND TRUE state == 8496 [L641] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 221.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -135.1 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 540.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 985.3 MB in the end (delta: 95.0 MB). Peak memory consumption was 95.0 MB. Max. memory is 11.5 GB. * CodeCheck took 163762.80 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 294.6 MB). Free memory was 985.3 MB in the beginning and 832.3 MB in the end (delta: 153.1 MB). Peak memory consumption was 447.7 MB. Max. memory is 11.5 GB. * Witness Printer took 70.90 ms. Allocated memory is still 1.4 GB. Free memory was 832.3 MB in the beginning and 821.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...