./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/heapsort_true-unreach-call_true-termination.i --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_5feba440-1ea6-443d-b425-bfd4926977b4/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5feba440-1ea6-443d-b425-bfd4926977b4/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5feba440-1ea6-443d-b425-bfd4926977b4/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5feba440-1ea6-443d-b425-bfd4926977b4/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/heapsort_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_5feba440-1ea6-443d-b425-bfd4926977b4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5feba440-1ea6-443d-b425-bfd4926977b4/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 4fc86a08ff37d05adddb13279399a852f6ece83c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 19:31:15,016 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 19:31:15,017 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 19:31:15,024 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 19:31:15,025 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 19:31:15,025 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 19:31:15,026 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 19:31:15,027 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 19:31:15,028 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 19:31:15,028 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 19:31:15,029 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 19:31:15,029 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 19:31:15,030 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 19:31:15,030 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 19:31:15,031 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 19:31:15,032 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 19:31:15,032 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 19:31:15,033 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 19:31:15,035 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 19:31:15,036 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 19:31:15,036 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 19:31:15,037 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 19:31:15,039 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 19:31:15,039 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 19:31:15,039 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 19:31:15,040 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 19:31:15,040 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 19:31:15,041 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 19:31:15,041 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 19:31:15,042 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 19:31:15,042 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 19:31:15,042 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 19:31:15,043 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 19:31:15,043 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 19:31:15,043 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 19:31:15,043 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 19:31:15,043 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5feba440-1ea6-443d-b425-bfd4926977b4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 19:31:15,050 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 19:31:15,050 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 19:31:15,051 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 19:31:15,051 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 19:31:15,051 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 19:31:15,051 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 19:31:15,051 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 19:31:15,051 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 19:31:15,052 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 19:31:15,052 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 19:31:15,052 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 19:31:15,052 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 19:31:15,052 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 19:31:15,052 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 19:31:15,052 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 19:31:15,052 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 19:31:15,052 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 19:31:15,052 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 19:31:15,052 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 19:31:15,052 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 19:31:15,052 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 19:31:15,053 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 19:31:15,053 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 19:31:15,053 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 19:31:15,053 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 19:31:15,053 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 19:31:15,053 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 19:31:15,053 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 19:31:15,053 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 19:31:15,053 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_5feba440-1ea6-443d-b425-bfd4926977b4/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 -> 4fc86a08ff37d05adddb13279399a852f6ece83c [2018-12-01 19:31:15,070 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 19:31:15,077 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 19:31:15,079 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 19:31:15,080 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 19:31:15,080 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 19:31:15,080 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5feba440-1ea6-443d-b425-bfd4926977b4/bin-2019/ukojak/../../sv-benchmarks/c/loop-invgen/heapsort_true-unreach-call_true-termination.i [2018-12-01 19:31:15,114 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5feba440-1ea6-443d-b425-bfd4926977b4/bin-2019/ukojak/data/767edea03/9822b703bea34e2c9c677c762b9154e6/FLAG4510fbc42 [2018-12-01 19:31:15,391 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 19:31:15,392 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5feba440-1ea6-443d-b425-bfd4926977b4/sv-benchmarks/c/loop-invgen/heapsort_true-unreach-call_true-termination.i [2018-12-01 19:31:15,395 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5feba440-1ea6-443d-b425-bfd4926977b4/bin-2019/ukojak/data/767edea03/9822b703bea34e2c9c677c762b9154e6/FLAG4510fbc42 [2018-12-01 19:31:15,403 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5feba440-1ea6-443d-b425-bfd4926977b4/bin-2019/ukojak/data/767edea03/9822b703bea34e2c9c677c762b9154e6 [2018-12-01 19:31:15,405 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 19:31:15,406 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 19:31:15,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 19:31:15,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 19:31:15,409 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 19:31:15,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:31:15" (1/1) ... [2018-12-01 19:31:15,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59facd15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:31:15, skipping insertion in model container [2018-12-01 19:31:15,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:31:15" (1/1) ... [2018-12-01 19:31:15,415 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 19:31:15,426 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 19:31:15,512 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 19:31:15,514 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 19:31:15,525 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 19:31:15,533 INFO L195 MainTranslator]: Completed translation [2018-12-01 19:31:15,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:31:15 WrapperNode [2018-12-01 19:31:15,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 19:31:15,534 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 19:31:15,534 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 19:31:15,534 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 19:31:15,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:31:15" (1/1) ... [2018-12-01 19:31:15,542 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:31:15" (1/1) ... [2018-12-01 19:31:15,553 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 19:31:15,553 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 19:31:15,554 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 19:31:15,554 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 19:31:15,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:31:15" (1/1) ... [2018-12-01 19:31:15,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:31:15" (1/1) ... [2018-12-01 19:31:15,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:31:15" (1/1) ... [2018-12-01 19:31:15,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:31:15" (1/1) ... [2018-12-01 19:31:15,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:31:15" (1/1) ... [2018-12-01 19:31:15,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:31:15" (1/1) ... [2018-12-01 19:31:15,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:31:15" (1/1) ... [2018-12-01 19:31:15,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 19:31:15,566 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 19:31:15,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 19:31:15,566 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 19:31:15,566 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:31:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5feba440-1ea6-443d-b425-bfd4926977b4/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 [2018-12-01 19:31:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 19:31:15,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 19:31:15,629 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-01 19:31:15,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-01 19:31:15,766 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 19:31:15,766 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-01 19:31:15,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:31:15 BoogieIcfgContainer [2018-12-01 19:31:15,766 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 19:31:15,767 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 19:31:15,767 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 19:31:15,773 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 19:31:15,773 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:31:15" (1/1) ... [2018-12-01 19:31:15,779 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:31:15,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:15,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2018-12-01 19:31:15,804 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2018-12-01 19:31:15,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 19:31:15,805 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:15,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:31:15,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:15,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 36 states and 67 transitions. [2018-12-01 19:31:15,976 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 67 transitions. [2018-12-01 19:31:15,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 19:31:15,979 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:15,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:16,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:31:16,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:16,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 39 states and 75 transitions. [2018-12-01 19:31:16,022 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 75 transitions. [2018-12-01 19:31:16,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 19:31:16,022 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:16,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:16,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:31:16,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:16,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 43 states and 85 transitions. [2018-12-01 19:31:16,139 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 85 transitions. [2018-12-01 19:31:16,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 19:31:16,140 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:16,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:31:16,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:16,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 44 states and 88 transitions. [2018-12-01 19:31:16,183 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 88 transitions. [2018-12-01 19:31:16,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-01 19:31:16,183 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:16,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:31:16,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:16,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 49 states and 102 transitions. [2018-12-01 19:31:16,778 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 102 transitions. [2018-12-01 19:31:16,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-01 19:31:16,779 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:16,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:16,875 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:31:17,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:17,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 54 states and 116 transitions. [2018-12-01 19:31:17,267 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 116 transitions. [2018-12-01 19:31:17,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-01 19:31:17,268 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:17,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:17,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:31:17,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:17,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 57 states and 125 transitions. [2018-12-01 19:31:17,540 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 125 transitions. [2018-12-01 19:31:17,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-01 19:31:17,540 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:17,603 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:31:17,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:17,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 59 states and 129 transitions. [2018-12-01 19:31:17,824 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 129 transitions. [2018-12-01 19:31:17,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-01 19:31:17,825 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:17,859 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 19:31:17,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:17,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 60 states and 132 transitions. [2018-12-01 19:31:17,991 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 132 transitions. [2018-12-01 19:31:17,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 19:31:17,993 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:18,061 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 19:31:18,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:18,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 66 states and 148 transitions. [2018-12-01 19:31:18,571 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 148 transitions. [2018-12-01 19:31:18,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-01 19:31:18,572 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:18,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:18,586 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 19:31:18,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:18,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 70 states and 157 transitions. [2018-12-01 19:31:18,909 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 157 transitions. [2018-12-01 19:31:18,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-01 19:31:18,910 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:18,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:18,957 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 19:31:19,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:19,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 71 states and 160 transitions. [2018-12-01 19:31:19,057 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 160 transitions. [2018-12-01 19:31:19,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-01 19:31:19,057 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:19,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:19,105 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 19:31:19,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:19,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 73 states and 166 transitions. [2018-12-01 19:31:19,399 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 166 transitions. [2018-12-01 19:31:19,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-01 19:31:19,399 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:19,450 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 19:31:19,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:19,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 75 states and 169 transitions. [2018-12-01 19:31:19,559 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 169 transitions. [2018-12-01 19:31:19,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-01 19:31:19,560 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:19,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:19,679 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 19:31:20,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:20,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 82 states and 191 transitions. [2018-12-01 19:31:20,831 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 191 transitions. [2018-12-01 19:31:20,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-01 19:31:20,832 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:20,874 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 19:31:21,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:21,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 86 states and 201 transitions. [2018-12-01 19:31:21,359 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 201 transitions. [2018-12-01 19:31:21,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-01 19:31:21,360 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:21,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:21,504 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 19:31:22,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:22,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 92 states and 218 transitions. [2018-12-01 19:31:22,597 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 218 transitions. [2018-12-01 19:31:22,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-01 19:31:22,598 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:22,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:22,661 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-01 19:31:23,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:23,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 93 states and 219 transitions. [2018-12-01 19:31:23,032 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 219 transitions. [2018-12-01 19:31:23,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-01 19:31:23,033 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:23,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:23,120 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 19:31:23,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:23,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 96 states and 225 transitions. [2018-12-01 19:31:23,648 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 225 transitions. [2018-12-01 19:31:23,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-01 19:31:23,649 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:23,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:23,690 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 19:31:23,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:23,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 97 states and 226 transitions. [2018-12-01 19:31:23,879 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 226 transitions. [2018-12-01 19:31:23,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-01 19:31:23,879 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:23,909 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 19:31:24,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:24,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 100 states and 231 transitions. [2018-12-01 19:31:24,009 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 231 transitions. [2018-12-01 19:31:24,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-01 19:31:24,009 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:24,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:24,016 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 19:31:24,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:24,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 105 states and 244 transitions. [2018-12-01 19:31:24,592 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 244 transitions. [2018-12-01 19:31:24,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-01 19:31:24,592 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:24,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:24,630 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 19:31:24,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:24,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 105 states and 243 transitions. [2018-12-01 19:31:24,646 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 243 transitions. [2018-12-01 19:31:24,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-01 19:31:24,647 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:24,680 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 14 proven. 14 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 19:31:24,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:24,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 106 states and 246 transitions. [2018-12-01 19:31:24,847 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 246 transitions. [2018-12-01 19:31:24,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-01 19:31:24,848 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:24,855 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 20 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 19:31:26,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:26,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 110 states and 256 transitions. [2018-12-01 19:31:26,257 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 256 transitions. [2018-12-01 19:31:26,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-01 19:31:26,257 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:26,327 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 19:31:28,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:28,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 122 states and 287 transitions. [2018-12-01 19:31:28,595 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 287 transitions. [2018-12-01 19:31:28,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-01 19:31:28,596 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:28,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:28,609 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-01 19:31:29,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:29,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 128 states and 302 transitions. [2018-12-01 19:31:29,218 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 302 transitions. [2018-12-01 19:31:29,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-01 19:31:29,219 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:29,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:29,227 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-01 19:31:29,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:29,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 129 states and 305 transitions. [2018-12-01 19:31:29,428 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 305 transitions. [2018-12-01 19:31:29,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-01 19:31:29,428 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:29,566 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-01 19:31:32,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:32,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 138 states and 330 transitions. [2018-12-01 19:31:32,209 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 330 transitions. [2018-12-01 19:31:32,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-01 19:31:32,209 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:32,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:32,219 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-01 19:31:32,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:32,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 140 states and 334 transitions. [2018-12-01 19:31:32,873 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 334 transitions. [2018-12-01 19:31:32,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-01 19:31:32,873 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:32,883 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-01 19:31:33,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:33,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 144 states and 344 transitions. [2018-12-01 19:31:33,325 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 344 transitions. [2018-12-01 19:31:33,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-01 19:31:33,326 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:33,337 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-01 19:31:33,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:33,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 145 states and 346 transitions. [2018-12-01 19:31:33,552 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 346 transitions. [2018-12-01 19:31:33,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-01 19:31:33,553 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:33,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:33,560 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-01 19:31:33,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:33,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 146 states and 347 transitions. [2018-12-01 19:31:33,854 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 347 transitions. [2018-12-01 19:31:33,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-01 19:31:33,855 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:33,864 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-01 19:31:34,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:34,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 151 states and 356 transitions. [2018-12-01 19:31:34,803 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 356 transitions. [2018-12-01 19:31:34,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-01 19:31:34,803 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:34,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:34,811 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 13 proven. 16 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-01 19:31:35,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:35,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 151 states and 355 transitions. [2018-12-01 19:31:35,042 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 355 transitions. [2018-12-01 19:31:35,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-01 19:31:35,042 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:35,281 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 29 proven. 21 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-01 19:31:39,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:39,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 158 states and 385 transitions. [2018-12-01 19:31:39,778 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 385 transitions. [2018-12-01 19:31:39,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-01 19:31:39,778 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:39,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:39,790 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 29 proven. 21 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-01 19:31:40,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:40,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 159 states and 387 transitions. [2018-12-01 19:31:40,309 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 387 transitions. [2018-12-01 19:31:40,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-01 19:31:40,310 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:40,514 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 18 proven. 26 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-01 19:31:42,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:42,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 166 states and 412 transitions. [2018-12-01 19:31:42,391 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 412 transitions. [2018-12-01 19:31:42,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-01 19:31:42,391 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:42,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:42,399 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 18 proven. 26 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-01 19:31:42,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:42,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 168 states and 420 transitions. [2018-12-01 19:31:42,990 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 420 transitions. [2018-12-01 19:31:42,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-01 19:31:42,991 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:42,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:43,004 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 18 proven. 26 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-01 19:31:43,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:43,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 169 states and 422 transitions. [2018-12-01 19:31:43,323 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 422 transitions. [2018-12-01 19:31:43,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-01 19:31:43,324 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:43,355 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 13 proven. 19 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 19:31:44,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:44,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 176 states and 440 transitions. [2018-12-01 19:31:44,914 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 440 transitions. [2018-12-01 19:31:44,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-01 19:31:44,915 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:44,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:44,923 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 18 proven. 26 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-01 19:31:45,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:45,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 177 states and 444 transitions. [2018-12-01 19:31:45,235 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 444 transitions. [2018-12-01 19:31:45,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-01 19:31:45,235 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:45,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:45,271 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 13 proven. 19 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 19:31:45,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:45,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 178 states and 445 transitions. [2018-12-01 19:31:45,603 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 445 transitions. [2018-12-01 19:31:45,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-01 19:31:45,604 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:45,618 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 18 proven. 26 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-01 19:31:45,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:45,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 180 states and 452 transitions. [2018-12-01 19:31:45,993 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 452 transitions. [2018-12-01 19:31:45,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-01 19:31:45,994 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:46,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:46,043 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 13 proven. 19 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-01 19:31:46,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:46,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 181 states and 454 transitions. [2018-12-01 19:31:46,355 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 454 transitions. [2018-12-01 19:31:46,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-01 19:31:46,356 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:46,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:46,363 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 12 proven. 33 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-01 19:31:48,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:48,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 186 states and 469 transitions. [2018-12-01 19:31:48,496 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 469 transitions. [2018-12-01 19:31:48,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-01 19:31:48,496 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:48,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:48,535 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 13 proven. 19 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-01 19:31:49,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:49,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 191 states and 478 transitions. [2018-12-01 19:31:49,626 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 478 transitions. [2018-12-01 19:31:49,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 19:31:49,626 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:49,633 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 23 proven. 29 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-01 19:31:49,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:49,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 191 states and 477 transitions. [2018-12-01 19:31:49,944 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 477 transitions. [2018-12-01 19:31:49,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-01 19:31:49,944 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:49,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:49,952 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-01 19:31:51,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:51,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 198 states and 497 transitions. [2018-12-01 19:31:51,765 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 497 transitions. [2018-12-01 19:31:51,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-01 19:31:51,766 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:51,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:51,775 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-01 19:31:52,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:52,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 199 states and 501 transitions. [2018-12-01 19:31:52,132 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 501 transitions. [2018-12-01 19:31:52,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-01 19:31:52,133 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:52,142 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-01 19:31:52,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:52,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 200 states and 503 transitions. [2018-12-01 19:31:52,481 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 503 transitions. [2018-12-01 19:31:52,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-01 19:31:52,481 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:52,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:52,491 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-01 19:31:52,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:52,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 201 states and 505 transitions. [2018-12-01 19:31:52,817 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 505 transitions. [2018-12-01 19:31:52,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-01 19:31:52,817 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:52,963 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 18 proven. 39 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-01 19:31:56,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:56,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 211 states and 533 transitions. [2018-12-01 19:31:56,451 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 533 transitions. [2018-12-01 19:31:56,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-01 19:31:56,451 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:56,460 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-12-01 19:31:57,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:57,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 211 states and 530 transitions. [2018-12-01 19:31:57,022 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 530 transitions. [2018-12-01 19:31:57,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-01 19:31:57,022 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:57,138 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 39 proven. 26 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-01 19:31:57,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:31:57,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 211 states and 529 transitions. [2018-12-01 19:31:57,423 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 529 transitions. [2018-12-01 19:31:57,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-01 19:31:57,423 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:31:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:31:57,696 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-12-01 19:32:01,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:32:01,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 218 states and 547 transitions. [2018-12-01 19:32:01,419 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 547 transitions. [2018-12-01 19:32:01,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-01 19:32:01,419 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:32:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:32:01,429 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 38 proven. 52 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-12-01 19:32:05,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:32:05,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 226 states and 570 transitions. [2018-12-01 19:32:05,225 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 570 transitions. [2018-12-01 19:32:05,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-01 19:32:05,226 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:32:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:32:05,235 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 38 proven. 52 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-12-01 19:32:05,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:32:05,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 227 states and 572 transitions. [2018-12-01 19:32:05,750 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 572 transitions. [2018-12-01 19:32:05,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-01 19:32:05,751 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:32:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:32:05,782 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 38 proven. 52 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-12-01 19:32:06,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:32:06,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 228 states and 574 transitions. [2018-12-01 19:32:06,182 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 574 transitions. [2018-12-01 19:32:06,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-01 19:32:06,183 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:32:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:32:06,195 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 38 proven. 52 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-12-01 19:32:07,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:32:07,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 230 states and 579 transitions. [2018-12-01 19:32:07,790 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 579 transitions. [2018-12-01 19:32:07,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-01 19:32:07,790 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:32:07,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:32:07,801 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 38 proven. 52 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-12-01 19:32:08,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:32:08,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 231 states and 582 transitions. [2018-12-01 19:32:08,074 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 582 transitions. [2018-12-01 19:32:08,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-01 19:32:08,074 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:32:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:32:08,083 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 38 proven. 52 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-12-01 19:32:08,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:32:08,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 232 states and 584 transitions. [2018-12-01 19:32:08,465 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 584 transitions. [2018-12-01 19:32:08,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-01 19:32:08,465 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:32:08,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:32:08,475 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 30 proven. 64 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2018-12-01 19:32:10,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:32:10,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 241 states and 606 transitions. [2018-12-01 19:32:10,999 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 606 transitions. [2018-12-01 19:32:10,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-01 19:32:10,999 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:32:11,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:32:11,009 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 42 proven. 70 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2018-12-01 19:32:11,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:32:11,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 243 states and 609 transitions. [2018-12-01 19:32:11,898 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 609 transitions. [2018-12-01 19:32:11,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-01 19:32:11,898 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:32:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:32:12,033 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 53 proven. 84 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2018-12-01 19:32:15,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:32:15,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 254 states and 639 transitions. [2018-12-01 19:32:15,536 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 639 transitions. [2018-12-01 19:32:15,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-01 19:32:15,536 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:32:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:32:15,547 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 53 proven. 84 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2018-12-01 19:32:15,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:32:15,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 255 states and 641 transitions. [2018-12-01 19:32:15,962 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 641 transitions. [2018-12-01 19:32:15,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-01 19:32:15,963 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:32:15,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:32:15,976 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 38 proven. 92 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2018-12-01 19:32:17,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:32:17,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 259 states and 650 transitions. [2018-12-01 19:32:17,531 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 650 transitions. [2018-12-01 19:32:17,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-01 19:32:17,532 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:32:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:32:17,627 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 33 proven. 49 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2018-12-01 19:32:20,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:32:20,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 266 states and 668 transitions. [2018-12-01 19:32:20,514 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 668 transitions. [2018-12-01 19:32:20,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-01 19:32:20,515 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:32:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:32:20,526 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 38 proven. 92 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2018-12-01 19:32:21,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:32:21,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 270 states and 678 transitions. [2018-12-01 19:32:21,701 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 678 transitions. [2018-12-01 19:32:21,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-01 19:32:21,702 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:32:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:32:21,714 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 38 proven. 92 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2018-12-01 19:32:23,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:32:23,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 275 states and 695 transitions. [2018-12-01 19:32:23,379 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 695 transitions. [2018-12-01 19:32:23,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-01 19:32:23,380 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:32:23,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:32:23,392 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 38 proven. 92 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2018-12-01 19:32:23,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:32:23,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 276 states and 699 transitions. [2018-12-01 19:32:23,872 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 699 transitions. [2018-12-01 19:32:23,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-01 19:32:23,873 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:32:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:32:23,902 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 33 proven. 49 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2018-12-01 19:32:24,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:32:24,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 278 states and 701 transitions. [2018-12-01 19:32:24,294 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 701 transitions. [2018-12-01 19:32:24,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-01 19:32:24,294 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:32:24,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:32:24,306 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 38 proven. 92 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2018-12-01 19:32:24,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:32:24,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 279 states and 703 transitions. [2018-12-01 19:32:24,718 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 703 transitions. [2018-12-01 19:32:24,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-01 19:32:24,719 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:32:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:32:24,750 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 33 proven. 49 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2018-12-01 19:32:25,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:32:25,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 280 states and 704 transitions. [2018-12-01 19:32:25,229 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 704 transitions. [2018-12-01 19:32:25,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-01 19:32:25,229 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:32:25,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:32:25,259 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 33 proven. 49 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2018-12-01 19:32:26,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:32:26,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 284 states and 712 transitions. [2018-12-01 19:32:26,089 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 712 transitions. [2018-12-01 19:32:26,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-01 19:32:26,089 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:32:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:32:26,100 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 79 proven. 59 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2018-12-01 19:32:27,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:32:27,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 286 states and 717 transitions. [2018-12-01 19:32:27,613 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 717 transitions. [2018-12-01 19:32:27,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-01 19:32:27,613 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:32:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:32:27,629 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 84 proven. 62 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2018-12-01 19:32:28,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:32:28,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 288 states and 723 transitions. [2018-12-01 19:32:28,598 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 723 transitions. [2018-12-01 19:32:28,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-01 19:32:28,598 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:32:28,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:32:28,637 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 50 proven. 100 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2018-12-01 19:32:29,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:32:29,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 292 states and 733 transitions. [2018-12-01 19:32:29,645 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 733 transitions. [2018-12-01 19:32:29,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-01 19:32:29,646 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:32:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:32:29,660 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 50 proven. 100 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2018-12-01 19:32:32,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:32:32,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 295 states and 741 transitions. [2018-12-01 19:32:32,401 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 741 transitions. [2018-12-01 19:32:32,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-01 19:32:32,402 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:32:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:32:32,414 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 50 proven. 100 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2018-12-01 19:32:34,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:32:34,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 298 states and 745 transitions. [2018-12-01 19:32:34,186 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 745 transitions. [2018-12-01 19:32:34,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-01 19:32:34,187 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:32:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:32:34,208 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 50 proven. 100 refuted. 0 times theorem prover too weak. 516 trivial. 0 not checked. [2018-12-01 19:32:34,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:32:34,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 299 states and 746 transitions. [2018-12-01 19:32:34,811 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 746 transitions. [2018-12-01 19:32:34,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-01 19:32:34,812 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:32:34,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:32:34,823 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 50 proven. 97 refuted. 0 times theorem prover too weak. 521 trivial. 0 not checked. [2018-12-01 19:32:35,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:32:35,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 300 states and 747 transitions. [2018-12-01 19:32:35,166 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 747 transitions. [2018-12-01 19:32:35,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-01 19:32:35,166 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:32:35,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:32:35,180 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 42 proven. 102 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2018-12-01 19:32:37,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:32:37,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 305 states and 756 transitions. [2018-12-01 19:32:37,510 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 756 transitions. [2018-12-01 19:32:37,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-01 19:32:37,511 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:32:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:32:37,522 INFO L134 CoverageAnalysis]: Checked inductivity of 818 backedges. 39 proven. 58 refuted. 0 times theorem prover too weak. 721 trivial. 0 not checked. [2018-12-01 19:32:37,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:32:37,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 307 states and 759 transitions. [2018-12-01 19:32:37,930 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 759 transitions. [2018-12-01 19:32:37,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-01 19:32:37,930 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:32:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:32:37,966 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 41 proven. 61 refuted. 0 times theorem prover too weak. 798 trivial. 0 not checked. [2018-12-01 19:32:39,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:32:39,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 312 states and 770 transitions. [2018-12-01 19:32:39,192 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 770 transitions. [2018-12-01 19:32:39,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-01 19:32:39,192 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:32:39,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:32:39,206 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 46 proven. 117 refuted. 0 times theorem prover too weak. 737 trivial. 0 not checked. [2018-12-01 19:32:39,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:32:39,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 314 states and 774 transitions. [2018-12-01 19:32:39,492 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 774 transitions. [2018-12-01 19:32:39,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-01 19:32:39,493 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:32:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:32:39,509 INFO L134 CoverageAnalysis]: Checked inductivity of 994 backedges. 58 proven. 127 refuted. 0 times theorem prover too weak. 809 trivial. 0 not checked. [2018-12-01 19:32:39,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:32:39,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 316 states and 777 transitions. [2018-12-01 19:32:39,552 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 777 transitions. [2018-12-01 19:32:39,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-01 19:32:39,552 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 19:32:39,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:32:39,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1086 backedges. 50 proven. 130 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2018-12-01 19:32:40,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 19:32:40,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 98 states and 216 transitions. [2018-12-01 19:32:40,064 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 216 transitions. [2018-12-01 19:32:40,065 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 19:32:40,065 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 89 iterations. [2018-12-01 19:32:40,076 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 19:32:40,603 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 36 [2018-12-01 19:32:40,778 INFO L583 CodeCheckObserver]: Invariant with dag size 36 [2018-12-01 19:32:40,787 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 19:32:40,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 07:32:40 ImpRootNode [2018-12-01 19:32:40,787 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 19:32:40,787 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 19:32:40,787 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 19:32:40,788 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 19:32:40,788 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:31:15" (3/4) ... [2018-12-01 19:32:40,791 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 19:32:40,794 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-12-01 19:32:40,798 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-01 19:32:40,798 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-01 19:32:40,798 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 19:32:40,834 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5feba440-1ea6-443d-b425-bfd4926977b4/bin-2019/ukojak/witness.graphml [2018-12-01 19:32:40,834 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 19:32:40,835 INFO L168 Benchmark]: Toolchain (without parser) took 85429.21 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 691.0 MB). Free memory was 953.3 MB in the beginning and 1.1 GB in the end (delta: -194.8 MB). Peak memory consumption was 496.3 MB. Max. memory is 11.5 GB. [2018-12-01 19:32:40,835 INFO L168 Benchmark]: CDTParser took 0.10 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. [2018-12-01 19:32:40,836 INFO L168 Benchmark]: CACSL2BoogieTranslator took 127.25 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-12-01 19:32:40,836 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.34 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 19:32:40,836 INFO L168 Benchmark]: Boogie Preprocessor took 12.25 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 939.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-01 19:32:40,836 INFO L168 Benchmark]: RCFGBuilder took 200.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -145.2 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-12-01 19:32:40,837 INFO L168 Benchmark]: CodeCheck took 85020.48 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 585.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -63.1 MB). Peak memory consumption was 522.6 MB. Max. memory is 11.5 GB. [2018-12-01 19:32:40,837 INFO L168 Benchmark]: Witness Printer took 46.83 ms. Allocated memory is still 1.7 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 19:32:40,838 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 38 locations, 1 error locations. SAFE Result, 84.2s OverallTime, 89 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 1122497072 SDslu, 1251096976 SDs, 0 SdLazy, -771882764 SolverSat, -88996336 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 92.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 75260 GetRequests, 73118 SyntacticMatches, 1224 SemanticMatches, 918 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 450265 ImplicationChecksByTransitivity, 79.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 5417 NumberOfCodeBlocks, 5417 NumberOfCodeBlocksAsserted, 88 NumberOfCheckSat, 5329 ConstructedInterpolants, 0 QuantifiedInterpolants, 916481 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 88 InterpolantComputations, 8 PerfectInterpolantSequences, 19460/22689 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: ((((((((((2 * l < j && 2 * i + 2 <= r + j) && 1 <= l) && j <= 2 * i) || (((j < 2 * l && 2 * i + 2 <= r + j) && j <= 2 * i) && 2 <= j)) || ((r + 2 * l < j + 2 && j <= 2 * i) && 2 <= j)) || (((2 * i + 2 <= r + j && l < 1) && j <= 2 * i) && 2 <= j)) || (2 * i <= j && j <= 2 * i)) || j < 1) || (!(l + 1 <= n) && 2 <= j)) || r < 2) || (n < r && 2 <= j) - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 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 127.25 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.34 ms. Allocated memory is still 1.0 GB. Free memory is still 942.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.25 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 939.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 200.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -145.2 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * CodeCheck took 85020.48 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 585.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -63.1 MB). Peak memory consumption was 522.6 MB. Max. memory is 11.5 GB. * Witness Printer took 46.83 ms. Allocated memory is still 1.7 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...