./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/locks/test_locks_11_true-unreach-call_true-valid-memsafety_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f4597188-660d-4587-b136-29e62fbd3f00/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f4597188-660d-4587-b136-29e62fbd3f00/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f4597188-660d-4587-b136-29e62fbd3f00/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f4597188-660d-4587-b136-29e62fbd3f00/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_11_true-unreach-call_true-valid-memsafety_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f4597188-660d-4587-b136-29e62fbd3f00/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f4597188-660d-4587-b136-29e62fbd3f00/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 56f043bec3037ec37b4a132611abd4a337934428 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:38:00,105 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:38:00,106 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:38:00,113 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:38:00,113 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:38:00,114 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:38:00,114 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:38:00,115 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:38:00,116 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:38:00,117 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:38:00,118 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:38:00,118 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:38:00,119 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:38:00,119 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:38:00,120 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:38:00,120 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:38:00,121 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:38:00,122 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:38:00,123 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:38:00,124 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:38:00,125 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:38:00,126 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:38:00,127 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:38:00,127 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:38:00,128 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:38:00,128 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:38:00,129 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:38:00,129 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:38:00,130 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:38:00,131 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:38:00,131 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:38:00,131 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:38:00,131 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:38:00,132 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:38:00,132 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:38:00,133 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:38:00,133 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f4597188-660d-4587-b136-29e62fbd3f00/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 16:38:00,142 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:38:00,142 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:38:00,143 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:38:00,143 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 16:38:00,143 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:38:00,143 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:38:00,144 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:38:00,144 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:38:00,144 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:38:00,144 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:38:00,144 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:38:00,144 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:38:00,144 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:38:00,144 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:38:00,145 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:38:00,145 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:38:00,145 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:38:00,145 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:38:00,145 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 16:38:00,145 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 16:38:00,145 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:38:00,145 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:38:00,146 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 16:38:00,146 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:38:00,146 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:38:00,146 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:38:00,146 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 16:38:00,146 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:38:00,146 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:38:00,147 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_f4597188-660d-4587-b136-29e62fbd3f00/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 -> 56f043bec3037ec37b4a132611abd4a337934428 [2018-11-18 16:38:00,169 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:38:00,177 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:38:00,179 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:38:00,180 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:38:00,181 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:38:00,181 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f4597188-660d-4587-b136-29e62fbd3f00/bin-2019/ukojak/../../sv-benchmarks/c/locks/test_locks_11_true-unreach-call_true-valid-memsafety_false-termination.c [2018-11-18 16:38:00,216 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f4597188-660d-4587-b136-29e62fbd3f00/bin-2019/ukojak/data/f45d507d8/642d6e2ccd5f402c89fdbe19f511bd1a/FLAG8a10c0135 [2018-11-18 16:38:00,617 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:38:00,617 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f4597188-660d-4587-b136-29e62fbd3f00/sv-benchmarks/c/locks/test_locks_11_true-unreach-call_true-valid-memsafety_false-termination.c [2018-11-18 16:38:00,622 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f4597188-660d-4587-b136-29e62fbd3f00/bin-2019/ukojak/data/f45d507d8/642d6e2ccd5f402c89fdbe19f511bd1a/FLAG8a10c0135 [2018-11-18 16:38:00,630 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f4597188-660d-4587-b136-29e62fbd3f00/bin-2019/ukojak/data/f45d507d8/642d6e2ccd5f402c89fdbe19f511bd1a [2018-11-18 16:38:00,632 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:38:00,633 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:38:00,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:38:00,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:38:00,636 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:38:00,636 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:38:00" (1/1) ... [2018-11-18 16:38:00,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3275144b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:38:00, skipping insertion in model container [2018-11-18 16:38:00,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:38:00" (1/1) ... [2018-11-18 16:38:00,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:38:00,658 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:38:00,762 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:38:00,765 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:38:00,783 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:38:00,794 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:38:00,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:38:00 WrapperNode [2018-11-18 16:38:00,794 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:38:00,795 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:38:00,795 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:38:00,795 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:38:00,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:38:00" (1/1) ... [2018-11-18 16:38:00,806 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:38:00" (1/1) ... [2018-11-18 16:38:00,821 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:38:00,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:38:00,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:38:00,821 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:38:00,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:38:00" (1/1) ... [2018-11-18 16:38:00,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:38:00" (1/1) ... [2018-11-18 16:38:00,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:38:00" (1/1) ... [2018-11-18 16:38:00,864 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:38:00" (1/1) ... [2018-11-18 16:38:00,867 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:38:00" (1/1) ... [2018-11-18 16:38:00,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:38:00" (1/1) ... [2018-11-18 16:38:00,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:38:00" (1/1) ... [2018-11-18 16:38:00,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:38:00,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:38:00,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:38:00,875 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:38:00,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:38:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f4597188-660d-4587-b136-29e62fbd3f00/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 [2018-11-18 16:38:00,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:38:00,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:38:01,275 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:38:01,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:38:01 BoogieIcfgContainer [2018-11-18 16:38:01,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:38:01,276 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 16:38:01,276 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 16:38:01,282 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 16:38:01,283 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:38:01" (1/1) ... [2018-11-18 16:38:01,290 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:38:01,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:01,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 31 states and 55 transitions. [2018-11-18 16:38:01,313 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 55 transitions. [2018-11-18 16:38:01,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 16:38:01,315 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:01,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:01,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:01,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:01,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 31 states and 51 transitions. [2018-11-18 16:38:01,474 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2018-11-18 16:38:01,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-18 16:38:01,475 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:01,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:01,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:01,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:01,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 53 transitions. [2018-11-18 16:38:01,657 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2018-11-18 16:38:01,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 16:38:01,658 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:01,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:01,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:01,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:01,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 50 transitions. [2018-11-18 16:38:01,748 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2018-11-18 16:38:01,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 16:38:01,748 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:01,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:01,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:02,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:02,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 34 states and 55 transitions. [2018-11-18 16:38:02,033 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 55 transitions. [2018-11-18 16:38:02,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 16:38:02,034 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:02,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:02,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:02,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:02,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2018-11-18 16:38:02,136 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2018-11-18 16:38:02,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 16:38:02,136 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:02,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:02,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:02,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 31 states and 49 transitions. [2018-11-18 16:38:02,202 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2018-11-18 16:38:02,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 16:38:02,203 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:02,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:02,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:02,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2018-11-18 16:38:02,596 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2018-11-18 16:38:02,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 16:38:02,596 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:02,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:02,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:02,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:02,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2018-11-18 16:38:02,709 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2018-11-18 16:38:02,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 16:38:02,709 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:02,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:02,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:02,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2018-11-18 16:38:02,816 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2018-11-18 16:38:02,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 16:38:02,816 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:02,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:02,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:03,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:03,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2018-11-18 16:38:03,339 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2018-11-18 16:38:03,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 16:38:03,340 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:03,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:03,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:03,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 36 states and 59 transitions. [2018-11-18 16:38:03,424 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 59 transitions. [2018-11-18 16:38:03,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 16:38:03,424 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:03,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:03,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:03,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:03,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 56 transitions. [2018-11-18 16:38:03,548 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2018-11-18 16:38:03,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 16:38:03,549 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:03,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:03,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:03,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2018-11-18 16:38:03,663 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2018-11-18 16:38:03,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 16:38:03,664 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:03,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:03,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:03,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 35 states and 53 transitions. [2018-11-18 16:38:03,770 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 53 transitions. [2018-11-18 16:38:03,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 16:38:03,770 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:03,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:04,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:04,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 41 states and 67 transitions. [2018-11-18 16:38:04,555 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2018-11-18 16:38:04,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 16:38:04,555 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:04,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:04,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:04,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:04,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2018-11-18 16:38:04,668 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2018-11-18 16:38:04,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 16:38:04,669 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:04,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:04,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:04,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:04,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2018-11-18 16:38:04,875 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2018-11-18 16:38:04,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 16:38:04,876 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:04,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:04,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:05,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:05,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 55 transitions. [2018-11-18 16:38:05,057 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2018-11-18 16:38:05,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 16:38:05,057 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:05,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:05,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:05,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 55 transitions. [2018-11-18 16:38:05,217 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 55 transitions. [2018-11-18 16:38:05,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 16:38:05,218 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:05,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:05,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:05,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:05,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 55 transitions. [2018-11-18 16:38:05,341 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 55 transitions. [2018-11-18 16:38:05,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 16:38:05,341 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:05,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:06,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:06,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 72 transitions. [2018-11-18 16:38:06,586 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 72 transitions. [2018-11-18 16:38:06,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 16:38:06,586 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:06,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:06,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:06,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:06,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2018-11-18 16:38:06,725 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2018-11-18 16:38:06,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 16:38:06,725 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:06,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:06,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:06,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:06,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 37 states and 60 transitions. [2018-11-18 16:38:06,913 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 60 transitions. [2018-11-18 16:38:06,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 16:38:06,913 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:06,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:07,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:07,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 36 states and 57 transitions. [2018-11-18 16:38:07,129 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2018-11-18 16:38:07,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 16:38:07,129 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:07,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:07,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:07,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:07,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 37 states and 57 transitions. [2018-11-18 16:38:07,315 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2018-11-18 16:38:07,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 16:38:07,315 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:07,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:07,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:07,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 38 states and 57 transitions. [2018-11-18 16:38:07,465 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 57 transitions. [2018-11-18 16:38:07,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 16:38:07,465 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:07,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:08,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:08,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 46 states and 77 transitions. [2018-11-18 16:38:08,973 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 77 transitions. [2018-11-18 16:38:08,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 16:38:08,973 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:08,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:09,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:09,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 47 states and 77 transitions. [2018-11-18 16:38:09,129 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 77 transitions. [2018-11-18 16:38:09,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 16:38:09,130 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:09,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:09,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:09,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 65 transitions. [2018-11-18 16:38:09,332 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2018-11-18 16:38:09,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 16:38:09,332 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:09,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:09,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:09,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:09,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2018-11-18 16:38:09,588 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2018-11-18 16:38:09,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 16:38:09,588 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:09,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:09,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:09,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:09,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 37 states and 59 transitions. [2018-11-18 16:38:09,840 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2018-11-18 16:38:09,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 16:38:09,840 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:09,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:10,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:10,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 38 states and 59 transitions. [2018-11-18 16:38:10,050 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 59 transitions. [2018-11-18 16:38:10,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 16:38:10,050 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:10,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:10,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:10,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 39 states and 59 transitions. [2018-11-18 16:38:10,253 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 59 transitions. [2018-11-18 16:38:10,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 16:38:10,254 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:10,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:10,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:10,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:10,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 40 states and 59 transitions. [2018-11-18 16:38:10,432 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 59 transitions. [2018-11-18 16:38:10,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 16:38:10,432 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:10,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:12,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:12,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 49 states and 82 transitions. [2018-11-18 16:38:12,521 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 82 transitions. [2018-11-18 16:38:12,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 16:38:12,522 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:12,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:12,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:12,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 50 states and 82 transitions. [2018-11-18 16:38:12,724 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 82 transitions. [2018-11-18 16:38:12,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 16:38:12,724 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:12,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:13,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:13,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 40 states and 67 transitions. [2018-11-18 16:38:13,025 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 67 transitions. [2018-11-18 16:38:13,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 16:38:13,025 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:13,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:13,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:13,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2018-11-18 16:38:13,315 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2018-11-18 16:38:13,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 16:38:13,315 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:13,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:13,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:13,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:13,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2018-11-18 16:38:13,576 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2018-11-18 16:38:13,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 16:38:13,576 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:13,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:13,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:13,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 61 transitions. [2018-11-18 16:38:13,855 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2018-11-18 16:38:13,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 16:38:13,855 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:13,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:13,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:14,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:14,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 40 states and 61 transitions. [2018-11-18 16:38:14,088 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 61 transitions. [2018-11-18 16:38:14,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 16:38:14,088 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:14,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:14,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:14,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 41 states and 61 transitions. [2018-11-18 16:38:14,303 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 61 transitions. [2018-11-18 16:38:14,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 16:38:14,304 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:14,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:14,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:14,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 42 states and 61 transitions. [2018-11-18 16:38:14,530 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 61 transitions. [2018-11-18 16:38:14,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 16:38:14,530 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:14,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:17,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:17,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 52 states and 87 transitions. [2018-11-18 16:38:17,357 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 87 transitions. [2018-11-18 16:38:17,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 16:38:17,357 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:17,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:17,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:17,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:17,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 53 states and 87 transitions. [2018-11-18 16:38:17,635 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 87 transitions. [2018-11-18 16:38:17,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 16:38:17,635 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:17,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:17,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:17,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:17,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 41 states and 69 transitions. [2018-11-18 16:38:17,921 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 69 transitions. [2018-11-18 16:38:17,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 16:38:17,921 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:17,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:17,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:18,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:18,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 40 states and 66 transitions. [2018-11-18 16:38:18,258 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2018-11-18 16:38:18,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 16:38:18,258 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:18,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:18,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:18,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 39 states and 63 transitions. [2018-11-18 16:38:18,582 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 63 transitions. [2018-11-18 16:38:18,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 16:38:18,582 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:18,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:18,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:18,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:18,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 63 transitions. [2018-11-18 16:38:18,881 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 63 transitions. [2018-11-18 16:38:18,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 16:38:18,881 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:18,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:19,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:19,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 63 transitions. [2018-11-18 16:38:19,174 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 63 transitions. [2018-11-18 16:38:19,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 16:38:19,174 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:19,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:19,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:19,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:19,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 42 states and 63 transitions. [2018-11-18 16:38:19,465 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2018-11-18 16:38:19,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 16:38:19,465 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:19,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:19,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:19,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 43 states and 63 transitions. [2018-11-18 16:38:19,765 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 63 transitions. [2018-11-18 16:38:19,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 16:38:19,765 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:19,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:19,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:23,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:23,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 54 states and 92 transitions. [2018-11-18 16:38:23,516 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 92 transitions. [2018-11-18 16:38:23,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 16:38:23,516 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:23,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:23,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:23,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:23,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 55 states and 92 transitions. [2018-11-18 16:38:23,800 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 92 transitions. [2018-11-18 16:38:23,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 16:38:23,801 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:23,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:24,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:24,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 56 states and 92 transitions. [2018-11-18 16:38:24,096 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 92 transitions. [2018-11-18 16:38:24,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-18 16:38:24,096 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:24,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:24,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:24,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:24,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 71 transitions. [2018-11-18 16:38:24,477 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2018-11-18 16:38:24,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 16:38:24,477 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:24,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:24,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:24,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:24,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 41 states and 68 transitions. [2018-11-18 16:38:24,881 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2018-11-18 16:38:24,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 16:38:24,882 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:24,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:25,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:25,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 40 states and 65 transitions. [2018-11-18 16:38:25,304 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 65 transitions. [2018-11-18 16:38:25,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 16:38:25,304 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:25,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:25,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:25,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:25,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 41 states and 65 transitions. [2018-11-18 16:38:25,678 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 65 transitions. [2018-11-18 16:38:25,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 16:38:25,678 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:25,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:25,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:26,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:26,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2018-11-18 16:38:26,040 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2018-11-18 16:38:26,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 16:38:26,041 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:26,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:26,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:26,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 65 transitions. [2018-11-18 16:38:26,370 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 65 transitions. [2018-11-18 16:38:26,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 16:38:26,370 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:26,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:26,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:26,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:26,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 44 states and 65 transitions. [2018-11-18 16:38:26,701 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 65 transitions. [2018-11-18 16:38:26,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 16:38:26,701 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:26,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:27,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:27,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2018-11-18 16:38:27,024 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2018-11-18 16:38:27,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 16:38:27,024 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:27,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:27,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:27,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 46 states and 65 transitions. [2018-11-18 16:38:27,343 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2018-11-18 16:38:27,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 16:38:27,343 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:27,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:27,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:27,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:27,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 47 states and 65 transitions. [2018-11-18 16:38:27,708 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2018-11-18 16:38:27,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-18 16:38:27,708 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:38:27,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:38:27,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:38:28,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:38:28,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2018-11-18 16:38:28,106 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2018-11-18 16:38:28,106 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:38:28,106 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 67 iterations. [2018-11-18 16:38:28,114 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 16:38:28,375 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 16:38:28,377 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 16:38:28,377 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 16:38:28,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 04:38:28 ImpRootNode [2018-11-18 16:38:28,378 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 16:38:28,378 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:38:28,378 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:38:28,378 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:38:28,379 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:38:01" (3/4) ... [2018-11-18 16:38:28,381 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:38:28,388 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-18 16:38:28,388 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 16:38:28,388 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 16:38:28,430 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f4597188-660d-4587-b136-29e62fbd3f00/bin-2019/ukojak/witness.graphml [2018-11-18 16:38:28,431 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:38:28,431 INFO L168 Benchmark]: Toolchain (without parser) took 27798.91 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 667.9 MB). Free memory was 952.7 MB in the beginning and 1.5 GB in the end (delta: -593.7 MB). Peak memory consumption was 74.2 MB. Max. memory is 11.5 GB. [2018-11-18 16:38:28,433 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:38:28,433 INFO L168 Benchmark]: CACSL2BoogieTranslator took 161.33 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 939.1 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-18 16:38:28,433 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.97 ms. Allocated memory is still 1.0 GB. Free memory is still 939.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:38:28,434 INFO L168 Benchmark]: Boogie Preprocessor took 53.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 939.1 MB in the beginning and 1.2 GB in the end (delta: -215.2 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:38:28,434 INFO L168 Benchmark]: RCFGBuilder took 400.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 47.5 MB). Peak memory consumption was 47.5 MB. Max. memory is 11.5 GB. [2018-11-18 16:38:28,434 INFO L168 Benchmark]: CodeCheck took 27101.88 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 511.7 MB). Free memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: -455.9 MB). Peak memory consumption was 795.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:38:28,434 INFO L168 Benchmark]: Witness Printer took 52.75 ms. Allocated memory is still 1.7 GB. Free memory was 1.6 GB in the beginning and 1.5 GB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:38:28,436 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, 44 locations, 1 error locations. SAFE Result, 26.8s OverallTime, 67 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, -924518404 SDslu, 0 SDs, 0 SdLazy, -1495961608 SolverSat, -1042221060 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9360 GetRequests, 8876 SyntacticMatches, 0 SemanticMatches, 484 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111630 ImplicationChecksByTransitivity, 25.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 957 NumberOfCodeBlocks, 957 NumberOfCodeBlocksAsserted, 66 NumberOfCheckSat, 891 ConstructedInterpolants, 0 QuantifiedInterpolants, 62909 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 66 InterpolantComputations, 66 PerfectInterpolantSequences, 0/0 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: 175]: 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: 5]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 161.33 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 939.1 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.97 ms. Allocated memory is still 1.0 GB. Free memory is still 939.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 939.1 MB in the beginning and 1.2 GB in the end (delta: -215.2 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 400.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 47.5 MB). Peak memory consumption was 47.5 MB. Max. memory is 11.5 GB. * CodeCheck took 27101.88 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 511.7 MB). Free memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: -455.9 MB). Peak memory consumption was 795.4 MB. Max. memory is 11.5 GB. * Witness Printer took 52.75 ms. Allocated memory is still 1.7 GB. Free memory was 1.6 GB in the beginning and 1.5 GB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...