./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label04_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_49cf045e-f956-49f6-bb72-dd2387160a0b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_49cf045e-f956-49f6-bb72-dd2387160a0b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_49cf045e-f956-49f6-bb72-dd2387160a0b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_49cf045e-f956-49f6-bb72-dd2387160a0b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label04_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_49cf045e-f956-49f6-bb72-dd2387160a0b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_49cf045e-f956-49f6-bb72-dd2387160a0b/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 fbfe8dec550fadf4da01fadd46005a09263b3b04 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:21:19,979 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:21:19,981 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:21:19,992 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:21:19,993 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:21:19,993 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:21:19,994 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:21:19,997 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:21:19,999 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:21:20,002 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:21:20,004 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:21:20,004 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:21:20,005 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:21:20,007 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:21:20,014 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:21:20,014 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:21:20,015 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:21:20,016 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:21:20,019 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:21:20,021 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:21:20,023 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:21:20,025 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:21:20,028 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:21:20,030 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:21:20,031 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:21:20,031 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:21:20,032 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:21:20,033 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:21:20,033 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:21:20,034 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:21:20,034 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:21:20,034 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:21:20,034 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:21:20,035 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:21:20,035 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:21:20,036 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:21:20,036 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_49cf045e-f956-49f6-bb72-dd2387160a0b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 21:21:20,051 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:21:20,052 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:21:20,052 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:21:20,053 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 21:21:20,053 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 21:21:20,053 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 21:21:20,053 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:21:20,054 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:21:20,054 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:21:20,054 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:21:20,054 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:21:20,054 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:21:20,054 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:21:20,054 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:21:20,054 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:21:20,055 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:21:20,055 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:21:20,055 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 21:21:20,055 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 21:21:20,055 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:21:20,055 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:21:20,055 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 21:21:20,056 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:21:20,056 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:21:20,056 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:21:20,056 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 21:21:20,056 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:21:20,058 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:21:20,059 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_49cf045e-f956-49f6-bb72-dd2387160a0b/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 -> fbfe8dec550fadf4da01fadd46005a09263b3b04 [2018-10-26 21:21:20,084 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:21:20,095 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:21:20,097 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:21:20,098 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:21:20,098 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:21:20,099 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_49cf045e-f956-49f6-bb72-dd2387160a0b/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label04_true-unreach-call_false-termination.c [2018-10-26 21:21:20,140 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_49cf045e-f956-49f6-bb72-dd2387160a0b/bin-2019/ukojak/data/cc1b23933/af9393c90e6a4a1e91b77cf4157f4945/FLAGc7b654372 [2018-10-26 21:21:20,564 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:21:20,565 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_49cf045e-f956-49f6-bb72-dd2387160a0b/sv-benchmarks/c/eca-rers2012/Problem02_label04_true-unreach-call_false-termination.c [2018-10-26 21:21:20,574 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_49cf045e-f956-49f6-bb72-dd2387160a0b/bin-2019/ukojak/data/cc1b23933/af9393c90e6a4a1e91b77cf4157f4945/FLAGc7b654372 [2018-10-26 21:21:20,587 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_49cf045e-f956-49f6-bb72-dd2387160a0b/bin-2019/ukojak/data/cc1b23933/af9393c90e6a4a1e91b77cf4157f4945 [2018-10-26 21:21:20,590 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:21:20,591 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:21:20,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:21:20,592 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:21:20,595 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:21:20,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:21:20" (1/1) ... [2018-10-26 21:21:20,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21fd0115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:21:20, skipping insertion in model container [2018-10-26 21:21:20,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:21:20" (1/1) ... [2018-10-26 21:21:20,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:21:20,648 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:21:20,947 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:21:20,956 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:21:21,028 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:21:21,048 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:21:21,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:21:21 WrapperNode [2018-10-26 21:21:21,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:21:21,050 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:21:21,050 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:21:21,050 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:21:21,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:21:21" (1/1) ... [2018-10-26 21:21:21,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:21:21" (1/1) ... [2018-10-26 21:21:21,120 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:21:21,120 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:21:21,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:21:21,120 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:21:21,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:21:21" (1/1) ... [2018-10-26 21:21:21,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:21:21" (1/1) ... [2018-10-26 21:21:21,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:21:21" (1/1) ... [2018-10-26 21:21:21,215 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:21:21" (1/1) ... [2018-10-26 21:21:21,228 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:21:21" (1/1) ... [2018-10-26 21:21:21,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:21:21" (1/1) ... [2018-10-26 21:21:21,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:21:21" (1/1) ... [2018-10-26 21:21:21,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:21:21,270 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:21:21,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:21:21,271 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:21:21,271 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:21:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_49cf045e-f956-49f6-bb72-dd2387160a0b/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 21:21:21,349 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 21:21:21,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:21:21,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:21:25,654 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:21:25,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:21:25 BoogieIcfgContainer [2018-10-26 21:21:25,654 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:21:25,654 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 21:21:25,655 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 21:21:25,663 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 21:21:25,664 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:21:25" (1/1) ... [2018-10-26 21:21:25,674 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:21:25,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:25,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-10-26 21:21:25,711 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-10-26 21:21:25,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-26 21:21:25,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:26,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:21:26,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:26,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 165 states and 243 transitions. [2018-10-26 21:21:26,985 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 243 transitions. [2018-10-26 21:21:26,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-26 21:21:26,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:27,074 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 21:21:27,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:27,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 166 states and 244 transitions. [2018-10-26 21:21:27,337 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 244 transitions. [2018-10-26 21:21:27,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-26 21:21:27,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:27,573 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:21:27,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:27,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 184 states and 271 transitions. [2018-10-26 21:21:27,806 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 271 transitions. [2018-10-26 21:21:27,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-26 21:21:27,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:27,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:27,910 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:21:28,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:28,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 206 states and 297 transitions. [2018-10-26 21:21:28,334 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 297 transitions. [2018-10-26 21:21:28,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-26 21:21:28,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:28,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:28,430 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:21:29,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:29,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 225 states and 325 transitions. [2018-10-26 21:21:29,274 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 325 transitions. [2018-10-26 21:21:29,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 21:21:29,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:29,337 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:21:29,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:29,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 230 states and 331 transitions. [2018-10-26 21:21:29,586 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 331 transitions. [2018-10-26 21:21:29,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-26 21:21:29,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:29,638 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:21:29,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:29,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 234 states and 335 transitions. [2018-10-26 21:21:29,674 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 335 transitions. [2018-10-26 21:21:29,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-26 21:21:29,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:29,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:29,710 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 21:21:29,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:29,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 235 states and 337 transitions. [2018-10-26 21:21:29,915 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 337 transitions. [2018-10-26 21:21:29,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-26 21:21:29,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:29,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:29,971 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 21:21:30,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:30,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 239 states and 342 transitions. [2018-10-26 21:21:30,262 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 342 transitions. [2018-10-26 21:21:30,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-26 21:21:30,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:30,298 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 21:21:30,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:30,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 253 states and 356 transitions. [2018-10-26 21:21:30,670 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 356 transitions. [2018-10-26 21:21:30,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-26 21:21:30,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:30,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:30,713 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 21:21:30,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:30,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 258 states and 362 transitions. [2018-10-26 21:21:30,934 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 362 transitions. [2018-10-26 21:21:30,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-26 21:21:30,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:30,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:31,110 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:21:31,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:31,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 338 states and 447 transitions. [2018-10-26 21:21:31,646 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 447 transitions. [2018-10-26 21:21:31,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-26 21:21:31,647 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:31,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:32,279 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:21:32,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:32,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 369 states and 486 transitions. [2018-10-26 21:21:32,847 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 486 transitions. [2018-10-26 21:21:32,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-26 21:21:32,848 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:32,878 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:21:33,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:33,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 386 states and 507 transitions. [2018-10-26 21:21:33,058 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 507 transitions. [2018-10-26 21:21:33,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-26 21:21:33,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:33,088 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:21:33,386 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 21:21:34,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:34,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 388 states and 508 transitions. [2018-10-26 21:21:34,189 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 508 transitions. [2018-10-26 21:21:34,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-26 21:21:34,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:35,398 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:21:37,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:37,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 419 states and 544 transitions. [2018-10-26 21:21:37,147 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 544 transitions. [2018-10-26 21:21:37,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-26 21:21:37,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:37,212 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:21:37,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:37,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 423 states and 548 transitions. [2018-10-26 21:21:37,321 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 548 transitions. [2018-10-26 21:21:37,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-10-26 21:21:37,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:37,351 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:21:37,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:37,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 436 states and 562 transitions. [2018-10-26 21:21:37,465 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 562 transitions. [2018-10-26 21:21:37,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-26 21:21:37,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:37,496 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:21:37,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:37,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 455 states and 584 transitions. [2018-10-26 21:21:37,966 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 584 transitions. [2018-10-26 21:21:37,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-26 21:21:37,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:38,021 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 21:21:38,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:38,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 459 states and 587 transitions. [2018-10-26 21:21:38,102 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 587 transitions. [2018-10-26 21:21:38,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-26 21:21:38,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:38,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:38,140 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 21:21:38,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:38,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 464 states and 591 transitions. [2018-10-26 21:21:38,250 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 591 transitions. [2018-10-26 21:21:38,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-26 21:21:38,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:38,306 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 21:21:38,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:38,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 478 states and 606 transitions. [2018-10-26 21:21:38,570 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 606 transitions. [2018-10-26 21:21:38,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-26 21:21:38,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:38,609 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 21:21:39,173 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-26 21:21:40,525 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-10-26 21:21:41,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:41,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 490 states and 617 transitions. [2018-10-26 21:21:41,150 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 617 transitions. [2018-10-26 21:21:41,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-26 21:21:41,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:41,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:41,204 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:21:41,621 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 21:21:42,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:42,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 495 states and 623 transitions. [2018-10-26 21:21:42,031 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 623 transitions. [2018-10-26 21:21:42,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-26 21:21:42,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:42,075 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:21:42,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:42,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 514 states and 642 transitions. [2018-10-26 21:21:42,211 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 642 transitions. [2018-10-26 21:21:42,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-26 21:21:42,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:42,515 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 80 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 21:21:43,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:43,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 556 states and 695 transitions. [2018-10-26 21:21:43,867 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 695 transitions. [2018-10-26 21:21:43,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-26 21:21:43,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:43,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:43,918 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 80 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 21:21:44,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:44,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 571 states and 709 transitions. [2018-10-26 21:21:44,122 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 709 transitions. [2018-10-26 21:21:44,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-26 21:21:44,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:44,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:44,173 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 80 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 21:21:45,052 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-10-26 21:21:45,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:45,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 583 states and 720 transitions. [2018-10-26 21:21:45,203 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 720 transitions. [2018-10-26 21:21:45,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-10-26 21:21:45,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:45,245 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:21:45,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:45,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 585 states and 722 transitions. [2018-10-26 21:21:45,400 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 722 transitions. [2018-10-26 21:21:45,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 21:21:45,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:45,467 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 21:21:46,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:46,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 590 states and 729 transitions. [2018-10-26 21:21:46,077 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 729 transitions. [2018-10-26 21:21:46,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-26 21:21:46,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:46,145 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 21:21:46,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:46,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 591 states and 730 transitions. [2018-10-26 21:21:46,223 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 730 transitions. [2018-10-26 21:21:46,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-10-26 21:21:46,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:46,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:46,557 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 21:21:47,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:47,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 610 states and 752 transitions. [2018-10-26 21:21:47,009 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 752 transitions. [2018-10-26 21:21:47,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-26 21:21:47,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:47,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:47,515 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 21:21:47,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:47,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 611 states and 753 transitions. [2018-10-26 21:21:47,621 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 753 transitions. [2018-10-26 21:21:47,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-26 21:21:47,622 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:47,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:47,654 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 21:21:47,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:47,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 614 states and 756 transitions. [2018-10-26 21:21:47,817 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 756 transitions. [2018-10-26 21:21:47,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-26 21:21:47,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:47,883 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 21:21:48,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:48,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 625 states and 767 transitions. [2018-10-26 21:21:48,229 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 767 transitions. [2018-10-26 21:21:48,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 21:21:48,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:48,465 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:21:48,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:48,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 641 states and 783 transitions. [2018-10-26 21:21:48,842 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 783 transitions. [2018-10-26 21:21:48,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-26 21:21:48,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:48,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:48,944 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-10-26 21:21:49,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:49,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 643 states and 784 transitions. [2018-10-26 21:21:49,286 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 784 transitions. [2018-10-26 21:21:49,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-26 21:21:49,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:49,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:49,535 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 21:21:49,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:49,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 647 states and 790 transitions. [2018-10-26 21:21:49,851 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 790 transitions. [2018-10-26 21:21:49,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-26 21:21:49,852 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:50,109 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 21:21:50,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:50,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 659 states and 801 transitions. [2018-10-26 21:21:50,441 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 801 transitions. [2018-10-26 21:21:50,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-10-26 21:21:50,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:50,521 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-10-26 21:21:50,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:50,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 660 states and 803 transitions. [2018-10-26 21:21:50,686 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 803 transitions. [2018-10-26 21:21:50,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-10-26 21:21:50,687 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:50,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:50,721 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 21:21:50,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:50,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 664 states and 807 transitions. [2018-10-26 21:21:50,753 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 807 transitions. [2018-10-26 21:21:50,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-10-26 21:21:50,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:50,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:50,904 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 21:21:51,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:51,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 691 states and 835 transitions. [2018-10-26 21:21:51,121 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 835 transitions. [2018-10-26 21:21:51,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-26 21:21:51,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:51,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:51,210 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-10-26 21:21:51,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:51,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 709 states and 855 transitions. [2018-10-26 21:21:51,668 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 855 transitions. [2018-10-26 21:21:51,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-26 21:21:51,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:51,769 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 21:21:52,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:52,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 721 states and 870 transitions. [2018-10-26 21:21:52,008 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 870 transitions. [2018-10-26 21:21:52,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-10-26 21:21:52,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:52,046 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 21:21:52,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:52,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 725 states and 875 transitions. [2018-10-26 21:21:52,227 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 875 transitions. [2018-10-26 21:21:52,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-26 21:21:52,227 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:52,575 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 159 proven. 11 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 21:21:54,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:54,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 749 states and 905 transitions. [2018-10-26 21:21:54,054 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 905 transitions. [2018-10-26 21:21:54,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-26 21:21:54,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:54,084 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-10-26 21:21:54,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:54,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 750 states and 906 transitions. [2018-10-26 21:21:54,108 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 906 transitions. [2018-10-26 21:21:54,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-10-26 21:21:54,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:54,451 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 21:21:54,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:54,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 780 states and 936 transitions. [2018-10-26 21:21:54,991 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 936 transitions. [2018-10-26 21:21:54,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-10-26 21:21:54,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:55,102 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 21:21:55,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:55,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 804 states and 961 transitions. [2018-10-26 21:21:55,447 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 961 transitions. [2018-10-26 21:21:55,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-10-26 21:21:55,448 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:55,560 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 21:21:55,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:55,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 805 states and 961 transitions. [2018-10-26 21:21:55,676 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 961 transitions. [2018-10-26 21:21:55,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-26 21:21:55,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:55,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:55,726 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-10-26 21:21:55,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:55,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 811 states and 966 transitions. [2018-10-26 21:21:55,779 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 966 transitions. [2018-10-26 21:21:55,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-26 21:21:55,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:55,821 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 21:21:56,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:56,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 842 states and 997 transitions. [2018-10-26 21:21:56,376 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 997 transitions. [2018-10-26 21:21:56,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-26 21:21:56,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:56,475 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-10-26 21:21:56,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:56,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 848 states and 1004 transitions. [2018-10-26 21:21:56,598 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1004 transitions. [2018-10-26 21:21:56,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-26 21:21:56,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:56,699 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-10-26 21:21:56,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:56,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 849 states and 1004 transitions. [2018-10-26 21:21:56,836 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1004 transitions. [2018-10-26 21:21:56,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-26 21:21:56,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:57,085 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:21:57,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:57,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 870 states and 1029 transitions. [2018-10-26 21:21:57,684 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1029 transitions. [2018-10-26 21:21:57,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-26 21:21:57,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:57,722 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:21:57,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:57,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 872 states and 1030 transitions. [2018-10-26 21:21:57,849 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1030 transitions. [2018-10-26 21:21:57,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-26 21:21:57,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:57,944 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 111 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 21:21:58,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:58,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 896 states and 1055 transitions. [2018-10-26 21:21:58,344 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1055 transitions. [2018-10-26 21:21:58,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-10-26 21:21:58,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:58,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:58,409 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 127 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 21:21:59,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:59,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 930 states and 1092 transitions. [2018-10-26 21:21:59,357 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1092 transitions. [2018-10-26 21:21:59,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-10-26 21:21:59,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:59,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:59,471 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 127 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 21:21:59,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:59,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 934 states and 1096 transitions. [2018-10-26 21:21:59,671 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states and 1096 transitions. [2018-10-26 21:21:59,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-10-26 21:21:59,672 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:59,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:59,712 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 21:21:59,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:59,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 938 states and 1102 transitions. [2018-10-26 21:21:59,811 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1102 transitions. [2018-10-26 21:21:59,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-10-26 21:21:59,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:59,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:59,861 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-26 21:21:59,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:21:59,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 955 states and 1118 transitions. [2018-10-26 21:21:59,944 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1118 transitions. [2018-10-26 21:21:59,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-26 21:21:59,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:21:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:21:59,984 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-26 21:22:00,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:22:00,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 993 states and 1158 transitions. [2018-10-26 21:22:00,178 INFO L276 IsEmpty]: Start isEmpty. Operand 993 states and 1158 transitions. [2018-10-26 21:22:00,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-10-26 21:22:00,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:22:00,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:22:00,226 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-26 21:22:00,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:22:00,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 996 states and 1160 transitions. [2018-10-26 21:22:00,298 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1160 transitions. [2018-10-26 21:22:00,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-26 21:22:00,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:22:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:22:01,122 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 181 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:22:02,585 WARN L179 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 22 [2018-10-26 21:22:04,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:22:04,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 1119 states and 1302 transitions. [2018-10-26 21:22:04,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1302 transitions. [2018-10-26 21:22:04,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-26 21:22:04,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:22:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:22:05,101 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 181 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:22:05,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:22:05,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 1123 states and 1306 transitions. [2018-10-26 21:22:05,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1306 transitions. [2018-10-26 21:22:05,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-26 21:22:05,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:22:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:22:05,514 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 181 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:22:05,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:22:05,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1128 states and 1310 transitions. [2018-10-26 21:22:05,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1310 transitions. [2018-10-26 21:22:05,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-10-26 21:22:05,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:22:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:22:05,846 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-10-26 21:22:08,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:22:08,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 1208 states and 1402 transitions. [2018-10-26 21:22:08,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1402 transitions. [2018-10-26 21:22:08,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-10-26 21:22:08,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:22:08,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:22:08,938 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:22:10,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:22:10,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1251 states and 1450 transitions. [2018-10-26 21:22:10,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1450 transitions. [2018-10-26 21:22:10,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-10-26 21:22:10,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:22:10,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:22:10,119 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:22:10,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:22:10,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 1255 states and 1453 transitions. [2018-10-26 21:22:10,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1453 transitions. [2018-10-26 21:22:10,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-10-26 21:22:10,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:22:10,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:22:11,262 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:22:15,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:22:15,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1622 states to 1394 states and 1622 transitions. [2018-10-26 21:22:15,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1622 transitions. [2018-10-26 21:22:15,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-10-26 21:22:15,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:22:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:22:15,964 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:22:16,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:22:16,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1640 states to 1410 states and 1640 transitions. [2018-10-26 21:22:16,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 1640 transitions. [2018-10-26 21:22:16,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-10-26 21:22:16,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:22:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:22:17,190 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:22:18,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:22:18,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1665 states to 1434 states and 1665 transitions. [2018-10-26 21:22:18,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 1665 transitions. [2018-10-26 21:22:18,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-10-26 21:22:18,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:22:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:22:18,224 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:22:18,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:22:18,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1669 states to 1439 states and 1669 transitions. [2018-10-26 21:22:18,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1439 states and 1669 transitions. [2018-10-26 21:22:18,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-10-26 21:22:18,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:22:18,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:22:18,865 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:22:19,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:22:19,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1440 states and 1670 transitions. [2018-10-26 21:22:19,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 1670 transitions. [2018-10-26 21:22:19,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-10-26 21:22:19,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:22:19,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:22:19,430 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:22:20,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:22:20,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1675 states to 1445 states and 1675 transitions. [2018-10-26 21:22:20,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1675 transitions. [2018-10-26 21:22:20,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-10-26 21:22:20,123 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:22:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:22:20,274 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:22:20,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:22:20,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1449 states and 1678 transitions. [2018-10-26 21:22:20,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states and 1678 transitions. [2018-10-26 21:22:20,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-10-26 21:22:20,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:22:20,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:22:20,832 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 242 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:22:21,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:22:21,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1454 states and 1682 transitions. [2018-10-26 21:22:21,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1454 states and 1682 transitions. [2018-10-26 21:22:21,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-10-26 21:22:21,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:22:21,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:22:21,249 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2018-10-26 21:22:21,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:22:21,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1457 states and 1684 transitions. [2018-10-26 21:22:21,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 1684 transitions. [2018-10-26 21:22:21,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-10-26 21:22:21,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:22:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:22:21,535 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 391 proven. 17 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 21:22:22,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:22:22,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1476 states and 1703 transitions. [2018-10-26 21:22:22,128 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 1703 transitions. [2018-10-26 21:22:22,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-10-26 21:22:22,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:22:22,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:22:22,214 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 391 proven. 17 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 21:22:22,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:22:22,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1481 states and 1708 transitions. [2018-10-26 21:22:22,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1481 states and 1708 transitions. [2018-10-26 21:22:22,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-10-26 21:22:22,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:22:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:22:22,873 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 391 proven. 17 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 21:22:23,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:22:23,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1711 states to 1485 states and 1711 transitions. [2018-10-26 21:22:23,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 1711 transitions. [2018-10-26 21:22:23,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-10-26 21:22:23,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:22:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:22:23,399 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-10-26 21:22:25,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:22:25,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1763 states to 1526 states and 1763 transitions. [2018-10-26 21:22:25,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1763 transitions. [2018-10-26 21:22:25,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-10-26 21:22:25,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:22:25,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:22:25,717 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-10-26 21:22:27,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:22:27,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 1554 states and 1795 transitions. [2018-10-26 21:22:27,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1554 states and 1795 transitions. [2018-10-26 21:22:27,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-10-26 21:22:27,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:22:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:22:27,761 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-10-26 21:22:28,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:22:28,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1800 states to 1559 states and 1800 transitions. [2018-10-26 21:22:28,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1559 states and 1800 transitions. [2018-10-26 21:22:28,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-10-26 21:22:28,454 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:22:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:22:28,510 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-10-26 21:22:28,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:22:28,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1569 states and 1809 transitions. [2018-10-26 21:22:28,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1569 states and 1809 transitions. [2018-10-26 21:22:28,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-10-26 21:22:28,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:22:28,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:22:28,875 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-10-26 21:22:29,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:22:29,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1812 states to 1573 states and 1812 transitions. [2018-10-26 21:22:29,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 1812 transitions. [2018-10-26 21:22:29,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-10-26 21:22:29,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:22:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:22:29,844 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 264 proven. 81 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-10-26 21:22:34,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:22:34,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2006 states to 1734 states and 2006 transitions. [2018-10-26 21:22:34,978 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 2006 transitions. [2018-10-26 21:22:34,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-10-26 21:22:34,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:22:35,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:22:35,073 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2018-10-26 21:22:35,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:22:35,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2007 states to 1736 states and 2007 transitions. [2018-10-26 21:22:35,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1736 states and 2007 transitions. [2018-10-26 21:22:35,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2018-10-26 21:22:35,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:22:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:22:36,220 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 75 proven. 409 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2018-10-26 21:22:41,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:22:41,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2137 states to 1848 states and 2137 transitions. [2018-10-26 21:22:41,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1848 states and 2137 transitions. [2018-10-26 21:22:41,822 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 21:22:41,822 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 90 iterations. [2018-10-26 21:22:41,831 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 21:22:43,337 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 19 [2018-10-26 21:22:43,450 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 19 [2018-10-26 21:22:43,611 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 18 [2018-10-26 21:22:43,970 WARN L179 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 19 [2018-10-26 21:22:44,973 WARN L179 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 19 [2018-10-26 21:22:45,426 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 19 [2018-10-26 21:22:46,436 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 19 [2018-10-26 21:22:47,273 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:22:47,275 INFO L582 CodeCheckObserver]: Invariant with dag size 19 [2018-10-26 21:22:47,283 INFO L582 CodeCheckObserver]: Invariant with dag size 18 [2018-10-26 21:22:47,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 09:22:47 ImpRootNode [2018-10-26 21:22:47,284 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 21:22:47,284 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:22:47,285 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:22:47,285 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:22:47,286 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:21:25" (3/4) ... [2018-10-26 21:22:47,290 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 21:22:47,332 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 111 nodes and edges [2018-10-26 21:22:47,333 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-10-26 21:22:47,334 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-10-26 21:22:47,335 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 21:22:47,495 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_49cf045e-f956-49f6-bb72-dd2387160a0b/bin-2019/ukojak/witness.graphml [2018-10-26 21:22:47,498 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:22:47,499 INFO L168 Benchmark]: Toolchain (without parser) took 86908.38 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.4 GB). Free memory was 957.1 MB in the beginning and 1.4 GB in the end (delta: -475.9 MB). Peak memory consumption was 912.4 MB. Max. memory is 11.5 GB. [2018-10-26 21:22:47,499 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:22:47,500 INFO L168 Benchmark]: CACSL2BoogieTranslator took 457.52 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 927.6 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-10-26 21:22:47,500 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.49 ms. Allocated memory is still 1.0 GB. Free memory was 927.6 MB in the beginning and 922.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 21:22:47,500 INFO L168 Benchmark]: Boogie Preprocessor took 149.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 195.6 MB). Free memory was 922.2 MB in the beginning and 1.2 GB in the end (delta: -252.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2018-10-26 21:22:47,500 INFO L168 Benchmark]: RCFGBuilder took 4383.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 940.5 MB in the end (delta: 234.5 MB). Peak memory consumption was 234.5 MB. Max. memory is 11.5 GB. [2018-10-26 21:22:47,501 INFO L168 Benchmark]: CodeCheck took 81629.33 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 940.5 MB in the beginning and 1.5 GB in the end (delta: -521.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-10-26 21:22:47,501 INFO L168 Benchmark]: Witness Printer took 213.87 ms. Allocated memory is still 2.4 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. [2018-10-26 21:22:47,503 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 228 locations, 1 error locations. SAFE Result, 76.1s OverallTime, 90 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 291504952 SDtfs, 1927357454 SDslu, -1960305416 SDs, 0 SdLazy, 126714508 SolverSat, -45040114 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 430.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 108447 GetRequests, 105320 SyntacticMatches, 2391 SemanticMatches, 736 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 345997 ImplicationChecksByTransitivity, 56.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 11.3s InterpolantComputationTime, 16544 NumberOfCodeBlocks, 16544 NumberOfCodeBlocksAsserted, 89 NumberOfCheckSat, 16455 ConstructedInterpolants, 0 QuantifiedInterpolants, 14609462 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 89 InterpolantComputations, 63 PerfectInterpolantSequences, 14244/15858 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: 490]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((!(a28 == 9) || !(a17 == 7) || !(a11 == 1)) || a25 == 1) || !(a19 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((!(a28 == 9) || !(a11 == 1)) || !(a17 == 7)) || a25 == 1) || !(a19 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 457.52 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 927.6 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 70.49 ms. Allocated memory is still 1.0 GB. Free memory was 927.6 MB in the beginning and 922.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 149.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 195.6 MB). Free memory was 922.2 MB in the beginning and 1.2 GB in the end (delta: -252.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4383.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 940.5 MB in the end (delta: 234.5 MB). Peak memory consumption was 234.5 MB. Max. memory is 11.5 GB. * CodeCheck took 81629.33 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 940.5 MB in the beginning and 1.5 GB in the end (delta: -521.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 213.87 ms. Allocated memory is still 2.4 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...