./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label00_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4fa3b3ed-f543-4325-9c33-bddf75beef9b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4fa3b3ed-f543-4325-9c33-bddf75beef9b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4fa3b3ed-f543-4325-9c33-bddf75beef9b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4fa3b3ed-f543-4325-9c33-bddf75beef9b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label00_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4fa3b3ed-f543-4325-9c33-bddf75beef9b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4fa3b3ed-f543-4325-9c33-bddf75beef9b/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 785a7f7444547118219ac2dc565afc7f15fbca51 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 12:55:28,354 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 12:55:28,355 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 12:55:28,361 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 12:55:28,361 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 12:55:28,362 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 12:55:28,362 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 12:55:28,363 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 12:55:28,364 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 12:55:28,364 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 12:55:28,365 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 12:55:28,365 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 12:55:28,365 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 12:55:28,366 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 12:55:28,366 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 12:55:28,367 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 12:55:28,367 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 12:55:28,368 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 12:55:28,369 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 12:55:28,370 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 12:55:28,370 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 12:55:28,371 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 12:55:28,372 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 12:55:28,372 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 12:55:28,372 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 12:55:28,373 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 12:55:28,373 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 12:55:28,374 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 12:55:28,374 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 12:55:28,375 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 12:55:28,375 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 12:55:28,375 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 12:55:28,375 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 12:55:28,376 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 12:55:28,376 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 12:55:28,376 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 12:55:28,377 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4fa3b3ed-f543-4325-9c33-bddf75beef9b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 12:55:28,384 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 12:55:28,384 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 12:55:28,384 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 12:55:28,385 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 12:55:28,385 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 12:55:28,385 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 12:55:28,385 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 12:55:28,385 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 12:55:28,385 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 12:55:28,385 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 12:55:28,385 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 12:55:28,386 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 12:55:28,386 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 12:55:28,386 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 12:55:28,386 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 12:55:28,386 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 12:55:28,386 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 12:55:28,386 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 12:55:28,386 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 12:55:28,386 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 12:55:28,386 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 12:55:28,386 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 12:55:28,387 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 12:55:28,387 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 12:55:28,387 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 12:55:28,387 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 12:55:28,387 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 12:55:28,387 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 12:55:28,387 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 12:55:28,387 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_4fa3b3ed-f543-4325-9c33-bddf75beef9b/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 -> 785a7f7444547118219ac2dc565afc7f15fbca51 [2018-12-09 12:55:28,404 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 12:55:28,412 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 12:55:28,414 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 12:55:28,415 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 12:55:28,415 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 12:55:28,415 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4fa3b3ed-f543-4325-9c33-bddf75beef9b/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label00_true-unreach-call_false-termination.c [2018-12-09 12:55:28,449 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4fa3b3ed-f543-4325-9c33-bddf75beef9b/bin-2019/ukojak/data/dc16e2f76/0274009a3c7c4056b740aef1871fe95e/FLAG143d3b0ba [2018-12-09 12:55:28,788 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 12:55:28,788 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4fa3b3ed-f543-4325-9c33-bddf75beef9b/sv-benchmarks/c/eca-rers2012/Problem01_label00_true-unreach-call_false-termination.c [2018-12-09 12:55:28,797 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4fa3b3ed-f543-4325-9c33-bddf75beef9b/bin-2019/ukojak/data/dc16e2f76/0274009a3c7c4056b740aef1871fe95e/FLAG143d3b0ba [2018-12-09 12:55:28,805 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4fa3b3ed-f543-4325-9c33-bddf75beef9b/bin-2019/ukojak/data/dc16e2f76/0274009a3c7c4056b740aef1871fe95e [2018-12-09 12:55:28,807 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 12:55:28,808 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 12:55:28,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 12:55:28,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 12:55:28,811 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 12:55:28,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:55:28" (1/1) ... [2018-12-09 12:55:28,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d92faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:28, skipping insertion in model container [2018-12-09 12:55:28,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:55:28" (1/1) ... [2018-12-09 12:55:28,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 12:55:28,846 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 12:55:29,024 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:55:29,027 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 12:55:29,107 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:55:29,116 INFO L195 MainTranslator]: Completed translation [2018-12-09 12:55:29,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:29 WrapperNode [2018-12-09 12:55:29,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 12:55:29,117 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 12:55:29,117 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 12:55:29,117 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 12:55:29,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:29" (1/1) ... [2018-12-09 12:55:29,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:29" (1/1) ... [2018-12-09 12:55:29,155 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 12:55:29,155 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 12:55:29,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 12:55:29,156 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 12:55:29,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:29" (1/1) ... [2018-12-09 12:55:29,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:29" (1/1) ... [2018-12-09 12:55:29,164 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:29" (1/1) ... [2018-12-09 12:55:29,164 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:29" (1/1) ... [2018-12-09 12:55:29,173 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:29" (1/1) ... [2018-12-09 12:55:29,179 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:29" (1/1) ... [2018-12-09 12:55:29,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:29" (1/1) ... [2018-12-09 12:55:29,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 12:55:29,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 12:55:29,186 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 12:55:29,186 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 12:55:29,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:55:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4fa3b3ed-f543-4325-9c33-bddf75beef9b/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 12:55:29,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 12:55:29,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 12:55:30,177 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 12:55:30,177 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 12:55:30,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:55:30 BoogieIcfgContainer [2018-12-09 12:55:30,178 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 12:55:30,178 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 12:55:30,178 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 12:55:30,187 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 12:55:30,187 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:55:30" (1/1) ... [2018-12-09 12:55:30,195 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:55:30,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:30,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-09 12:55:30,219 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-09 12:55:30,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 12:55:30,222 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:30,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:55:30,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:30,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 145 states and 220 transitions. [2018-12-09 12:55:30,707 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 220 transitions. [2018-12-09 12:55:30,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 12:55:30,708 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:30,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:30,769 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 12:55:30,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:30,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 146 states and 221 transitions. [2018-12-09 12:55:30,884 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 221 transitions. [2018-12-09 12:55:30,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-09 12:55:30,885 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:30,923 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:55:31,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:31,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 151 states and 230 transitions. [2018-12-09 12:55:31,024 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 230 transitions. [2018-12-09 12:55:31,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-09 12:55:31,025 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:31,094 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:55:31,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:31,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 221 states and 316 transitions. [2018-12-09 12:55:31,414 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 316 transitions. [2018-12-09 12:55:31,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-09 12:55:31,416 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:31,530 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:55:31,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:31,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 231 states and 333 transitions. [2018-12-09 12:55:31,792 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 333 transitions. [2018-12-09 12:55:31,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-09 12:55:31,795 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:31,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:31,845 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 12:55:32,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:32,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 242 states and 350 transitions. [2018-12-09 12:55:32,287 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 350 transitions. [2018-12-09 12:55:32,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-09 12:55:32,288 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:32,314 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 12:55:32,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:32,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 245 states and 353 transitions. [2018-12-09 12:55:32,415 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 353 transitions. [2018-12-09 12:55:32,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-09 12:55:32,416 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:32,430 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 12:55:32,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:32,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 247 states and 354 transitions. [2018-12-09 12:55:32,511 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 354 transitions. [2018-12-09 12:55:32,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-09 12:55:32,512 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:32,526 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 12:55:32,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:32,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 258 states and 367 transitions. [2018-12-09 12:55:32,691 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 367 transitions. [2018-12-09 12:55:32,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-09 12:55:32,692 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:32,710 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 12:55:32,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:32,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 264 states and 374 transitions. [2018-12-09 12:55:32,946 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 374 transitions. [2018-12-09 12:55:32,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-09 12:55:32,947 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:32,967 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 12:55:32,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:32,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 266 states and 376 transitions. [2018-12-09 12:55:32,995 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 376 transitions. [2018-12-09 12:55:32,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-09 12:55:32,995 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:33,043 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 12:55:33,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:33,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 274 states and 385 transitions. [2018-12-09 12:55:33,139 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 385 transitions. [2018-12-09 12:55:33,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-09 12:55:33,140 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:33,244 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 12:55:33,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:33,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 279 states and 392 transitions. [2018-12-09 12:55:33,525 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 392 transitions. [2018-12-09 12:55:33,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-09 12:55:33,525 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:33,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:33,581 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 12:55:34,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:34,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 292 states and 411 transitions. [2018-12-09 12:55:34,054 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 411 transitions. [2018-12-09 12:55:34,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-09 12:55:34,054 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:34,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:34,070 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 12:55:34,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:34,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 297 states and 416 transitions. [2018-12-09 12:55:34,272 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 416 transitions. [2018-12-09 12:55:34,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-09 12:55:34,273 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:34,288 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:55:34,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:34,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 316 states and 439 transitions. [2018-12-09 12:55:34,658 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 439 transitions. [2018-12-09 12:55:34,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-09 12:55:34,659 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:34,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:34,681 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 12:55:34,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:34,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 333 states and 459 transitions. [2018-12-09 12:55:34,856 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 459 transitions. [2018-12-09 12:55:34,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-09 12:55:34,857 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:34,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:34,893 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 12:55:34,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:34,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 335 states and 460 transitions. [2018-12-09 12:55:34,985 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 460 transitions. [2018-12-09 12:55:34,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 12:55:34,985 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:35,056 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:55:35,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:35,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 350 states and 477 transitions. [2018-12-09 12:55:35,291 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 477 transitions. [2018-12-09 12:55:35,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-09 12:55:35,291 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:35,354 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 12:55:35,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:35,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 366 states and 493 transitions. [2018-12-09 12:55:35,665 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 493 transitions. [2018-12-09 12:55:35,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-09 12:55:35,666 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:35,751 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-09 12:55:36,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:36,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 374 states and 504 transitions. [2018-12-09 12:55:36,061 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 504 transitions. [2018-12-09 12:55:36,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-09 12:55:36,061 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:36,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:36,077 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-09 12:55:36,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:36,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 375 states and 506 transitions. [2018-12-09 12:55:36,229 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 506 transitions. [2018-12-09 12:55:36,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-12-09 12:55:36,229 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:36,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:36,453 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 12:55:36,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:36,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 389 states and 522 transitions. [2018-12-09 12:55:36,746 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 522 transitions. [2018-12-09 12:55:36,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-12-09 12:55:36,747 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:36,841 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 12:55:37,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:37,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 393 states and 526 transitions. [2018-12-09 12:55:37,022 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 526 transitions. [2018-12-09 12:55:37,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-09 12:55:37,023 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:37,198 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 12:55:38,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:38,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 402 states and 540 transitions. [2018-12-09 12:55:38,132 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 540 transitions. [2018-12-09 12:55:38,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-09 12:55:38,132 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:38,151 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-09 12:55:38,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:38,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 405 states and 544 transitions. [2018-12-09 12:55:38,331 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 544 transitions. [2018-12-09 12:55:38,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-09 12:55:38,332 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:38,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:38,389 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 12:55:38,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:38,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 419 states and 560 transitions. [2018-12-09 12:55:38,622 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 560 transitions. [2018-12-09 12:55:38,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-09 12:55:38,623 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:38,651 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 12:55:38,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:38,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 430 states and 571 transitions. [2018-12-09 12:55:38,698 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 571 transitions. [2018-12-09 12:55:38,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-09 12:55:38,699 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:38,831 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 12:55:39,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:39,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 436 states and 584 transitions. [2018-12-09 12:55:39,310 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 584 transitions. [2018-12-09 12:55:39,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-09 12:55:39,311 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:39,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:39,570 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 12:55:40,830 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-09 12:55:42,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:42,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 481 states and 634 transitions. [2018-12-09 12:55:42,498 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 634 transitions. [2018-12-09 12:55:42,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-09 12:55:42,499 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:42,675 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 12:55:44,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:44,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 527 states and 687 transitions. [2018-12-09 12:55:44,729 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 687 transitions. [2018-12-09 12:55:44,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-09 12:55:44,729 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:44,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:44,816 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 12:55:46,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:46,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 575 states and 744 transitions. [2018-12-09 12:55:46,720 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 744 transitions. [2018-12-09 12:55:46,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-09 12:55:46,721 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:46,742 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 12:55:47,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:47,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 580 states and 748 transitions. [2018-12-09 12:55:47,017 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 748 transitions. [2018-12-09 12:55:47,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-09 12:55:47,018 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:47,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:47,039 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 12:55:47,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:47,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 611 states and 779 transitions. [2018-12-09 12:55:47,482 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 779 transitions. [2018-12-09 12:55:47,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-09 12:55:47,482 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:47,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:47,505 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 12:55:47,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:47,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 615 states and 782 transitions. [2018-12-09 12:55:47,723 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 782 transitions. [2018-12-09 12:55:47,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-09 12:55:47,724 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:47,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:47,742 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 12:55:47,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:47,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 620 states and 790 transitions. [2018-12-09 12:55:47,907 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 790 transitions. [2018-12-09 12:55:47,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-09 12:55:47,908 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:47,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:47,926 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 12:55:47,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:47,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 627 states and 797 transitions. [2018-12-09 12:55:47,957 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 797 transitions. [2018-12-09 12:55:47,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-09 12:55:47,957 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:47,980 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 12:55:48,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:48,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 676 states and 850 transitions. [2018-12-09 12:55:48,552 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 850 transitions. [2018-12-09 12:55:48,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-09 12:55:48,553 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:48,850 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 94 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:55:49,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:49,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 690 states and 870 transitions. [2018-12-09 12:55:49,849 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 870 transitions. [2018-12-09 12:55:49,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-09 12:55:49,850 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:49,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:49,890 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 94 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:55:50,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:50,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 692 states and 872 transitions. [2018-12-09 12:55:50,223 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 872 transitions. [2018-12-09 12:55:50,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-09 12:55:50,224 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:50,582 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:55:52,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:52,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 717 states and 899 transitions. [2018-12-09 12:55:52,399 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 899 transitions. [2018-12-09 12:55:52,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-09 12:55:52,400 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:52,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:53,013 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 12:55:56,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:55:56,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 772 states and 958 transitions. [2018-12-09 12:55:56,280 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 958 transitions. [2018-12-09 12:55:56,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-09 12:55:56,282 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:55:56,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:55:56,775 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:55:58,235 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-09 12:55:59,228 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2018-12-09 12:56:00,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:56:00,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 809 states and 1008 transitions. [2018-12-09 12:56:00,626 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1008 transitions. [2018-12-09 12:56:00,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-09 12:56:00,627 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:56:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:56:00,682 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:56:01,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:56:01,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 841 states and 1038 transitions. [2018-12-09 12:56:01,208 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1038 transitions. [2018-12-09 12:56:01,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-09 12:56:01,209 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:56:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:56:01,380 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 12:56:01,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:56:01,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 852 states and 1053 transitions. [2018-12-09 12:56:01,887 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1053 transitions. [2018-12-09 12:56:01,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 12:56:01,888 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:56:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:56:01,919 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-09 12:56:02,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:56:02,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1056 states to 856 states and 1056 transitions. [2018-12-09 12:56:02,171 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1056 transitions. [2018-12-09 12:56:02,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-09 12:56:02,172 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:56:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:56:02,202 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:56:02,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:56:02,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 876 states and 1078 transitions. [2018-12-09 12:56:02,359 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1078 transitions. [2018-12-09 12:56:02,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-09 12:56:02,360 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:56:02,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:56:02,715 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 97 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 12:56:03,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:56:03,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 884 states and 1089 transitions. [2018-12-09 12:56:03,309 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 1089 transitions. [2018-12-09 12:56:03,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-09 12:56:03,310 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:56:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:56:03,531 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 97 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 12:56:03,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:56:03,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 886 states and 1090 transitions. [2018-12-09 12:56:03,714 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1090 transitions. [2018-12-09 12:56:03,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-09 12:56:03,715 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:56:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:56:03,900 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 12:56:04,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:56:04,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 955 states and 1160 transitions. [2018-12-09 12:56:04,569 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1160 transitions. [2018-12-09 12:56:04,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-09 12:56:04,570 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:56:04,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:56:04,643 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 12:56:05,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:56:05,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 973 states and 1183 transitions. [2018-12-09 12:56:05,229 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1183 transitions. [2018-12-09 12:56:05,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-09 12:56:05,230 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:56:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:56:05,305 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 12:56:05,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:56:05,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 975 states and 1184 transitions. [2018-12-09 12:56:05,545 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1184 transitions. [2018-12-09 12:56:05,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-09 12:56:05,546 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:56:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:56:05,618 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 12:56:05,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:56:05,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 977 states and 1187 transitions. [2018-12-09 12:56:05,925 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1187 transitions. [2018-12-09 12:56:05,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-09 12:56:05,926 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:56:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:56:05,957 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 12:56:06,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:56:06,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 979 states and 1189 transitions. [2018-12-09 12:56:06,012 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1189 transitions. [2018-12-09 12:56:06,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-09 12:56:06,013 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:56:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:56:06,044 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 12:56:06,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:56:06,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 983 states and 1191 transitions. [2018-12-09 12:56:06,486 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1191 transitions. [2018-12-09 12:56:06,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-09 12:56:06,486 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:56:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:56:06,514 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-09 12:56:06,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:56:06,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 986 states and 1195 transitions. [2018-12-09 12:56:06,675 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1195 transitions. [2018-12-09 12:56:06,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-09 12:56:06,676 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:56:06,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:56:07,327 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:56:11,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:56:11,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1032 states and 1252 transitions. [2018-12-09 12:56:11,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1252 transitions. [2018-12-09 12:56:11,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-09 12:56:11,736 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:56:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:56:11,788 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:56:12,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:56:12,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1034 states and 1253 transitions. [2018-12-09 12:56:12,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1253 transitions. [2018-12-09 12:56:12,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-09 12:56:12,397 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:56:12,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:56:12,869 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 112 proven. 30 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 12:56:16,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:56:16,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 1070 states and 1298 transitions. [2018-12-09 12:56:16,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1298 transitions. [2018-12-09 12:56:16,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-09 12:56:16,759 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:56:16,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:56:16,886 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 112 proven. 30 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 12:56:18,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:56:18,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 1086 states and 1316 transitions. [2018-12-09 12:56:18,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1316 transitions. [2018-12-09 12:56:18,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-09 12:56:18,115 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:56:18,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:56:18,244 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 112 proven. 30 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 12:56:18,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:56:18,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1100 states and 1330 transitions. [2018-12-09 12:56:18,849 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1330 transitions. [2018-12-09 12:56:18,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-12-09 12:56:18,850 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:56:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:56:18,954 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 12:56:19,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:56:19,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1339 states to 1108 states and 1339 transitions. [2018-12-09 12:56:19,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1339 transitions. [2018-12-09 12:56:19,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-09 12:56:19,233 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:56:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:56:19,259 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-09 12:56:19,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:56:19,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 1118 states and 1349 transitions. [2018-12-09 12:56:19,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1349 transitions. [2018-12-09 12:56:19,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-09 12:56:19,641 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:56:19,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:56:19,669 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-09 12:56:19,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:56:19,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1120 states and 1351 transitions. [2018-12-09 12:56:19,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1351 transitions. [2018-12-09 12:56:19,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-09 12:56:19,956 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:56:19,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:56:20,385 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 12:56:23,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:56:23,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1152 states and 1384 transitions. [2018-12-09 12:56:23,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1384 transitions. [2018-12-09 12:56:23,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-09 12:56:23,480 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:56:23,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:56:23,616 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 12:56:23,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:56:23,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1154 states and 1385 transitions. [2018-12-09 12:56:23,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1385 transitions. [2018-12-09 12:56:23,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-09 12:56:23,845 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:56:23,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:56:24,247 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:56:27,285 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2018-12-09 12:56:35,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:56:35,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1448 states to 1210 states and 1448 transitions. [2018-12-09 12:56:35,978 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 1448 transitions. [2018-12-09 12:56:35,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-09 12:56:35,979 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:56:35,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:56:36,116 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:56:36,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:56:36,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 1212 states and 1449 transitions. [2018-12-09 12:56:36,543 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1449 transitions. [2018-12-09 12:56:36,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-09 12:56:36,544 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:56:36,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:56:36,664 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 12:56:37,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:56:37,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 1223 states and 1463 transitions. [2018-12-09 12:56:37,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1463 transitions. [2018-12-09 12:56:37,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-09 12:56:37,384 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:56:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:56:37,933 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 12:56:43,978 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 25 [2018-12-09 12:56:44,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:56:44,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1256 states and 1500 transitions. [2018-12-09 12:56:44,648 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1500 transitions. [2018-12-09 12:56:44,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-09 12:56:44,651 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:56:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:56:44,954 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 12:56:46,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:56:46,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1501 states to 1259 states and 1501 transitions. [2018-12-09 12:56:46,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1501 transitions. [2018-12-09 12:56:46,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-09 12:56:46,230 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:56:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:56:46,268 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-09 12:56:48,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:56:48,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1520 states to 1275 states and 1520 transitions. [2018-12-09 12:56:48,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 1520 transitions. [2018-12-09 12:56:48,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-09 12:56:48,469 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:56:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:56:50,297 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:56:56,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:56:56,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1328 states and 1582 transitions. [2018-12-09 12:56:56,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1328 states and 1582 transitions. [2018-12-09 12:56:56,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-09 12:56:56,195 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:56:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:56:56,488 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:56:56,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:56:56,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1298 states and 1550 transitions. [2018-12-09 12:56:56,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1298 states and 1550 transitions. [2018-12-09 12:56:56,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-09 12:56:56,894 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:56:56,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:56:57,995 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2018-12-09 12:56:58,705 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 12:57:00,649 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2018-12-09 12:57:01,769 WARN L180 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2018-12-09 12:57:04,785 WARN L180 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2018-12-09 12:57:08,065 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2018-12-09 12:57:09,325 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2018-12-09 12:57:10,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:57:10,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1344 states and 1599 transitions. [2018-12-09 12:57:10,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1599 transitions. [2018-12-09 12:57:10,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-09 12:57:10,984 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:57:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:57:11,097 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 12:57:11,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:57:11,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 1346 states and 1600 transitions. [2018-12-09 12:57:11,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 1600 transitions. [2018-12-09 12:57:11,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-12-09 12:57:11,427 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:57:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:57:11,580 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-09 12:57:14,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:57:14,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1677 states to 1416 states and 1677 transitions. [2018-12-09 12:57:14,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 1677 transitions. [2018-12-09 12:57:14,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-09 12:57:14,177 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:57:14,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:57:14,996 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 12:57:16,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:57:16,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1683 states to 1420 states and 1683 transitions. [2018-12-09 12:57:16,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 1683 transitions. [2018-12-09 12:57:16,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-09 12:57:16,749 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:57:16,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:57:16,886 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-09 12:57:19,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:57:19,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1753 states to 1487 states and 1753 transitions. [2018-12-09 12:57:19,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 1753 transitions. [2018-12-09 12:57:19,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-09 12:57:19,749 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:57:19,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:57:19,798 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-12-09 12:57:21,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:57:21,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1826 states to 1556 states and 1826 transitions. [2018-12-09 12:57:21,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 1826 transitions. [2018-12-09 12:57:21,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-09 12:57:21,172 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:57:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:57:21,755 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-09 12:57:23,113 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2018-12-09 12:57:25,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:57:25,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1830 states to 1559 states and 1830 transitions. [2018-12-09 12:57:25,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1559 states and 1830 transitions. [2018-12-09 12:57:25,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-09 12:57:25,579 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:57:25,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:57:25,803 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 7 proven. 214 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-09 12:57:32,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:57:32,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1912 states to 1635 states and 1912 transitions. [2018-12-09 12:57:32,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 1912 transitions. [2018-12-09 12:57:32,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-09 12:57:32,908 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:57:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:57:33,043 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 7 proven. 214 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-09 12:57:33,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:57:33,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1636 states and 1913 transitions. [2018-12-09 12:57:33,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 1913 transitions. [2018-12-09 12:57:33,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-09 12:57:33,356 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:57:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:57:35,227 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-09 12:57:42,729 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-09 12:57:44,939 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 30 [2018-12-09 12:57:46,041 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-09 12:57:48,833 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-09 12:57:51,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:57:51,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2033 states to 1736 states and 2033 transitions. [2018-12-09 12:57:51,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1736 states and 2033 transitions. [2018-12-09 12:57:51,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-09 12:57:51,517 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:57:51,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:57:51,643 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-09 12:57:53,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:57:54,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2044 states to 1747 states and 2044 transitions. [2018-12-09 12:57:54,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1747 states and 2044 transitions. [2018-12-09 12:57:54,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-09 12:57:54,005 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:57:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:57:54,608 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 12:57:57,942 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2018-12-09 12:57:58,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:57:58,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2063 states to 1760 states and 2063 transitions. [2018-12-09 12:57:58,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 2063 transitions. [2018-12-09 12:57:58,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-09 12:57:58,841 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:57:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:57:58,972 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 12:57:59,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:57:59,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2071 states to 1766 states and 2071 transitions. [2018-12-09 12:57:59,736 INFO L276 IsEmpty]: Start isEmpty. Operand 1766 states and 2071 transitions. [2018-12-09 12:57:59,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-09 12:57:59,737 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:57:59,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:57:59,871 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 12:58:01,537 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2018-12-09 12:58:02,878 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2018-12-09 12:58:06,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:58:06,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 1796 states and 2099 transitions. [2018-12-09 12:58:06,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1796 states and 2099 transitions. [2018-12-09 12:58:06,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-09 12:58:06,277 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:58:06,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:58:06,411 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 12:58:06,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:58:06,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2103 states to 1801 states and 2103 transitions. [2018-12-09 12:58:06,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1801 states and 2103 transitions. [2018-12-09 12:58:06,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-09 12:58:06,889 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:58:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:58:07,039 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 12:58:07,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:58:07,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2105 states to 1803 states and 2105 transitions. [2018-12-09 12:58:07,560 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states and 2105 transitions. [2018-12-09 12:58:07,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-09 12:58:07,561 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:58:07,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:58:08,996 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-09 12:58:13,595 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 30 [2018-12-09 12:58:18,463 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-09 12:58:20,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:58:20,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 1828 states and 2132 transitions. [2018-12-09 12:58:20,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1828 states and 2132 transitions. [2018-12-09 12:58:20,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-09 12:58:20,486 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:58:20,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:58:20,619 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-09 12:58:22,727 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-09 12:58:24,216 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-09 12:58:25,760 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-09 12:58:26,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:58:26,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 1847 states and 2150 transitions. [2018-12-09 12:58:26,717 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 2150 transitions. [2018-12-09 12:58:26,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-09 12:58:26,719 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:58:26,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:58:28,149 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 12:58:29,886 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-09 12:58:38,315 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 26 [2018-12-09 12:58:39,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:58:39,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2187 states to 1879 states and 2187 transitions. [2018-12-09 12:58:39,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 2187 transitions. [2018-12-09 12:58:39,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-09 12:58:39,540 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:58:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:58:39,840 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 12:58:40,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:58:40,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2188 states to 1881 states and 2188 transitions. [2018-12-09 12:58:40,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 2188 transitions. [2018-12-09 12:58:40,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-09 12:58:40,332 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:58:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:58:40,570 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 12:58:41,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:58:41,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2190 states to 1884 states and 2190 transitions. [2018-12-09 12:58:41,092 INFO L276 IsEmpty]: Start isEmpty. Operand 1884 states and 2190 transitions. [2018-12-09 12:58:41,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-09 12:58:41,094 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:58:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:58:41,366 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 12:58:44,594 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2018-12-09 12:58:45,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:58:45,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2225 states to 1921 states and 2225 transitions. [2018-12-09 12:58:45,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1921 states and 2225 transitions. [2018-12-09 12:58:45,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-09 12:58:45,731 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:58:45,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:58:48,360 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 12:58:49,941 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-09 12:58:55,208 WARN L180 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-09 12:58:56,550 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-12-09 12:58:56,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:58:56,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2273 states to 1964 states and 2273 transitions. [2018-12-09 12:58:56,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1964 states and 2273 transitions. [2018-12-09 12:58:56,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-09 12:58:56,786 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:58:56,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:58:56,937 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 12:59:00,362 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-12-09 12:59:01,102 WARN L180 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-09 12:59:02,433 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-12-09 12:59:02,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:59:02,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2288 states to 1982 states and 2288 transitions. [2018-12-09 12:59:02,490 INFO L276 IsEmpty]: Start isEmpty. Operand 1982 states and 2288 transitions. [2018-12-09 12:59:02,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-09 12:59:02,492 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:59:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:59:02,651 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 12:59:03,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:59:03,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2305 states to 2000 states and 2305 transitions. [2018-12-09 12:59:03,951 INFO L276 IsEmpty]: Start isEmpty. Operand 2000 states and 2305 transitions. [2018-12-09 12:59:03,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-09 12:59:03,952 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:59:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:59:04,135 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-09 12:59:05,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:59:05,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2306 states to 2002 states and 2306 transitions. [2018-12-09 12:59:05,347 INFO L276 IsEmpty]: Start isEmpty. Operand 2002 states and 2306 transitions. [2018-12-09 12:59:05,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-09 12:59:05,349 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:59:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:59:06,602 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-12-09 12:59:08,327 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2018-12-09 12:59:14,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:59:14,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2337 states to 2026 states and 2337 transitions. [2018-12-09 12:59:14,692 INFO L276 IsEmpty]: Start isEmpty. Operand 2026 states and 2337 transitions. [2018-12-09 12:59:14,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2018-12-09 12:59:14,693 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:59:14,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:59:14,813 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-12-09 12:59:16,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:59:16,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2402 states to 2091 states and 2402 transitions. [2018-12-09 12:59:16,682 INFO L276 IsEmpty]: Start isEmpty. Operand 2091 states and 2402 transitions. [2018-12-09 12:59:16,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-09 12:59:16,684 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:59:16,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:59:17,357 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 12:59:21,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:59:21,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2410 states to 2097 states and 2410 transitions. [2018-12-09 12:59:21,783 INFO L276 IsEmpty]: Start isEmpty. Operand 2097 states and 2410 transitions. [2018-12-09 12:59:21,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-09 12:59:21,785 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:59:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:59:22,146 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 12:59:24,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:59:24,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2409 states to 2097 states and 2409 transitions. [2018-12-09 12:59:24,187 INFO L276 IsEmpty]: Start isEmpty. Operand 2097 states and 2409 transitions. [2018-12-09 12:59:24,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-09 12:59:24,189 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:59:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:59:24,804 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 380 proven. 167 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-09 12:59:26,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:59:26,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 2116 states and 2434 transitions. [2018-12-09 12:59:26,816 INFO L276 IsEmpty]: Start isEmpty. Operand 2116 states and 2434 transitions. [2018-12-09 12:59:26,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-12-09 12:59:26,817 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:59:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:59:27,289 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 413 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-12-09 12:59:37,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:59:37,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2526 states to 2194 states and 2526 transitions. [2018-12-09 12:59:37,261 INFO L276 IsEmpty]: Start isEmpty. Operand 2194 states and 2526 transitions. [2018-12-09 12:59:37,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-12-09 12:59:37,263 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:59:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:59:37,397 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 413 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2018-12-09 12:59:38,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:59:38,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2591 states to 2259 states and 2591 transitions. [2018-12-09 12:59:38,283 INFO L276 IsEmpty]: Start isEmpty. Operand 2259 states and 2591 transitions. [2018-12-09 12:59:38,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-09 12:59:38,285 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:59:38,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:59:39,466 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 495 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-09 12:59:42,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:59:42,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2624 states to 2289 states and 2624 transitions. [2018-12-09 12:59:42,137 INFO L276 IsEmpty]: Start isEmpty. Operand 2289 states and 2624 transitions. [2018-12-09 12:59:42,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-09 12:59:42,140 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:59:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:59:42,346 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 495 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-09 12:59:43,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:59:43,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2667 states to 2333 states and 2667 transitions. [2018-12-09 12:59:43,336 INFO L276 IsEmpty]: Start isEmpty. Operand 2333 states and 2667 transitions. [2018-12-09 12:59:43,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-09 12:59:43,338 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:59:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:59:44,992 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2018-12-09 12:59:46,463 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2018-12-09 12:59:47,337 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 12:59:51,282 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2018-12-09 12:59:55,340 WARN L180 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2018-12-09 12:59:57,855 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2018-12-09 12:59:59,240 WARN L180 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2018-12-09 13:00:00,685 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-12-09 13:00:01,226 WARN L180 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-09 13:00:03,556 WARN L180 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-09 13:00:07,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:00:07,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2740 states to 2400 states and 2740 transitions. [2018-12-09 13:00:07,593 INFO L276 IsEmpty]: Start isEmpty. Operand 2400 states and 2740 transitions. [2018-12-09 13:00:07,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-09 13:00:07,594 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:00:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:00:07,761 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 13:00:08,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:00:08,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2746 states to 2404 states and 2746 transitions. [2018-12-09 13:00:08,872 INFO L276 IsEmpty]: Start isEmpty. Operand 2404 states and 2746 transitions. [2018-12-09 13:00:08,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-12-09 13:00:08,873 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:00:08,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:00:08,982 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 382 proven. 5 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2018-12-09 13:00:16,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:00:16,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2818 states to 2473 states and 2818 transitions. [2018-12-09 13:00:16,174 INFO L276 IsEmpty]: Start isEmpty. Operand 2473 states and 2818 transitions. [2018-12-09 13:00:16,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-12-09 13:00:16,176 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:00:16,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:00:16,688 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 504 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2018-12-09 13:00:18,844 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2018-12-09 13:00:19,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:00:19,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2889 states to 2542 states and 2889 transitions. [2018-12-09 13:00:19,972 INFO L276 IsEmpty]: Start isEmpty. Operand 2542 states and 2889 transitions. [2018-12-09 13:00:19,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-12-09 13:00:19,975 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:00:19,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:00:20,116 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 15 proven. 500 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2018-12-09 13:00:26,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:00:26,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2961 states to 2607 states and 2961 transitions. [2018-12-09 13:00:26,988 INFO L276 IsEmpty]: Start isEmpty. Operand 2607 states and 2961 transitions. [2018-12-09 13:00:26,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2018-12-09 13:00:26,989 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:00:27,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:00:27,589 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 519 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-12-09 13:00:30,258 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-09 13:00:31,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:00:31,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3032 states to 2676 states and 3032 transitions. [2018-12-09 13:00:31,542 INFO L276 IsEmpty]: Start isEmpty. Operand 2676 states and 3032 transitions. [2018-12-09 13:00:31,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2018-12-09 13:00:31,544 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:00:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:00:33,635 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2018-12-09 13:00:34,161 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2018-12-09 13:00:35,331 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2018-12-09 13:00:36,321 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2018-12-09 13:00:37,142 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 641 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-12-09 13:00:41,429 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-09 13:00:44,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:00:44,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3070 states to 2710 states and 3070 transitions. [2018-12-09 13:00:44,312 INFO L276 IsEmpty]: Start isEmpty. Operand 2710 states and 3070 transitions. [2018-12-09 13:00:44,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2018-12-09 13:00:44,313 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:00:44,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:00:44,517 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 641 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-12-09 13:00:46,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:00:46,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3095 states to 2737 states and 3095 transitions. [2018-12-09 13:00:46,110 INFO L276 IsEmpty]: Start isEmpty. Operand 2737 states and 3095 transitions. [2018-12-09 13:00:46,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2018-12-09 13:00:46,111 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:00:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:00:46,730 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 600 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2018-12-09 13:00:49,825 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-09 13:00:56,413 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-12-09 13:01:00,484 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-09 13:01:04,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:01:04,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3191 states to 2814 states and 3191 transitions. [2018-12-09 13:01:04,094 INFO L276 IsEmpty]: Start isEmpty. Operand 2814 states and 3191 transitions. [2018-12-09 13:01:04,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2018-12-09 13:01:04,096 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:01:04,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:01:04,243 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 600 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2018-12-09 13:01:12,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:01:12,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3264 states to 2888 states and 3264 transitions. [2018-12-09 13:01:12,279 INFO L276 IsEmpty]: Start isEmpty. Operand 2888 states and 3264 transitions. [2018-12-09 13:01:12,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2018-12-09 13:01:12,281 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:01:12,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:01:12,861 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 630 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-12-09 13:01:14,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:01:14,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3270 states to 2892 states and 3270 transitions. [2018-12-09 13:01:14,073 INFO L276 IsEmpty]: Start isEmpty. Operand 2892 states and 3270 transitions. [2018-12-09 13:01:14,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2018-12-09 13:01:14,074 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:01:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:01:14,234 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 630 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-12-09 13:01:14,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:01:14,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3293 states to 2913 states and 3293 transitions. [2018-12-09 13:01:14,970 INFO L276 IsEmpty]: Start isEmpty. Operand 2913 states and 3293 transitions. [2018-12-09 13:01:14,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2018-12-09 13:01:14,971 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:01:14,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:01:15,133 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 630 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-12-09 13:01:17,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:01:17,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3336 states to 2957 states and 3336 transitions. [2018-12-09 13:01:17,442 INFO L276 IsEmpty]: Start isEmpty. Operand 2957 states and 3336 transitions. [2018-12-09 13:01:17,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2018-12-09 13:01:17,444 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:01:17,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:01:19,880 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2018-12-09 13:01:20,323 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2018-12-09 13:01:21,277 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 29 [2018-12-09 13:01:22,531 INFO L134 CoverageAnalysis]: Checked inductivity of 923 backedges. 715 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2018-12-09 13:01:25,744 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 24 [2018-12-09 13:01:29,694 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-09 13:01:31,221 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-12-09 13:01:31,839 WARN L180 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-09 13:01:33,344 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-12-09 13:01:33,930 WARN L180 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-09 13:01:35,453 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-12-09 13:01:38,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:01:38,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3005 states and 3386 transitions. [2018-12-09 13:01:38,623 INFO L276 IsEmpty]: Start isEmpty. Operand 3005 states and 3386 transitions. [2018-12-09 13:01:38,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2018-12-09 13:01:38,624 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:01:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:01:41,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 860 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-09 13:01:43,615 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-09 13:01:45,174 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-12-09 13:01:45,536 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 31 [2018-12-09 13:01:47,519 WARN L180 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2018-12-09 13:01:48,963 WARN L180 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2018-12-09 13:01:52,490 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-12-09 13:01:53,165 WARN L180 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2018-12-09 13:01:55,530 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-12-09 13:01:59,330 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-12-09 13:02:00,876 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-12-09 13:02:03,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:02:03,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3456 states to 3074 states and 3456 transitions. [2018-12-09 13:02:03,819 INFO L276 IsEmpty]: Start isEmpty. Operand 3074 states and 3456 transitions. [2018-12-09 13:02:03,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-09 13:02:03,822 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:02:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:02:06,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 372 proven. 369 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2018-12-09 13:02:08,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:02:08,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3461 states to 3078 states and 3461 transitions. [2018-12-09 13:02:08,537 INFO L276 IsEmpty]: Start isEmpty. Operand 3078 states and 3461 transitions. [2018-12-09 13:02:08,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2018-12-09 13:02:08,539 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 13:02:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:02:08,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 573 proven. 10 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2018-12-09 13:02:09,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 13:02:09,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3311 states to 2940 states and 3311 transitions. [2018-12-09 13:02:09,780 INFO L276 IsEmpty]: Start isEmpty. Operand 2940 states and 3311 transitions. [2018-12-09 13:02:09,781 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 13:02:09,781 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 127 iterations. [2018-12-09 13:02:09,787 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 13:02:10,062 WARN L180 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 53 [2018-12-09 13:02:10,315 WARN L180 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 52 [2018-12-09 13:02:10,530 WARN L180 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 48 [2018-12-09 13:02:10,809 WARN L180 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 55 [2018-12-09 13:02:11,048 WARN L180 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 48 [2018-12-09 13:02:11,326 WARN L180 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 46 [2018-12-09 13:02:11,466 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 23 [2018-12-09 13:02:11,640 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 35 [2018-12-09 13:02:11,865 WARN L180 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 48 [2018-12-09 13:02:12,126 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 23 [2018-12-09 13:02:12,368 WARN L180 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 55 [2018-12-09 13:02:12,561 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 35 [2018-12-09 13:02:12,665 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 27 [2018-12-09 13:02:12,875 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 35 [2018-12-09 13:02:13,030 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 35 [2018-12-09 13:02:13,412 WARN L180 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 55 [2018-12-09 13:02:13,781 WARN L180 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 47 [2018-12-09 13:02:14,068 WARN L180 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 54 [2018-12-09 13:02:14,295 WARN L180 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 46 [2018-12-09 13:02:14,557 WARN L180 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 57 [2018-12-09 13:02:14,959 WARN L180 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 56 [2018-12-09 13:02:15,249 WARN L180 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 54 [2018-12-09 13:02:15,570 WARN L180 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 54 [2018-12-09 13:02:15,753 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 47 [2018-12-09 13:02:15,988 WARN L180 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 52 [2018-12-09 13:02:16,371 WARN L180 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 54 [2018-12-09 13:02:16,665 WARN L180 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 54 [2018-12-09 13:02:16,967 WARN L180 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 50 [2018-12-09 13:02:17,216 WARN L180 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 57 [2018-12-09 13:02:17,450 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 35 [2018-12-09 13:02:17,747 WARN L180 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 50 [2018-12-09 13:02:18,035 WARN L180 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 57 [2018-12-09 13:02:18,332 WARN L180 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 57 [2018-12-09 13:02:18,599 WARN L180 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 57 [2018-12-09 13:02:18,773 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 47 [2018-12-09 13:02:19,082 WARN L180 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 55 [2018-12-09 13:02:19,218 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 23 [2018-12-09 13:02:19,596 WARN L180 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 56 [2018-12-09 13:02:19,792 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 47 [2018-12-09 13:02:20,045 WARN L180 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 51 [2018-12-09 13:02:20,383 WARN L180 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 53 [2018-12-09 13:02:20,638 WARN L180 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 48 [2018-12-09 13:02:21,071 WARN L180 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 71 [2018-12-09 13:02:21,402 WARN L180 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 52 [2018-12-09 13:02:21,673 WARN L180 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 55 [2018-12-09 13:02:21,917 WARN L180 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 47 [2018-12-09 13:02:22,243 WARN L180 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 46 [2018-12-09 13:02:22,468 WARN L180 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 46 [2018-12-09 13:02:22,717 WARN L180 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 55 [2018-12-09 13:02:22,887 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 35 [2018-12-09 13:02:22,900 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 13:02:22,902 INFO L583 CodeCheckObserver]: Invariant with dag size 23 [2018-12-09 13:02:22,906 INFO L583 CodeCheckObserver]: Invariant with dag size 23 [2018-12-09 13:02:22,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 01:02:22 ImpRootNode [2018-12-09 13:02:22,907 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 13:02:22,907 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 13:02:22,907 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 13:02:22,907 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 13:02:22,908 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:55:30" (3/4) ... [2018-12-09 13:02:22,910 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 13:02:22,920 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-12-09 13:02:22,921 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-09 13:02:22,921 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-09 13:02:22,922 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 13:02:22,976 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4fa3b3ed-f543-4325-9c33-bddf75beef9b/bin-2019/ukojak/witness.graphml [2018-12-09 13:02:22,977 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 13:02:22,977 INFO L168 Benchmark]: Toolchain (without parser) took 414169.48 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 987.2 MB). Free memory was 944.2 MB in the beginning and 656.3 MB in the end (delta: 287.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-12-09 13:02:22,978 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 13:02:22,978 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 78.6 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -119.8 MB). Peak memory consumption was 35.5 MB. Max. memory is 11.5 GB. [2018-12-09 13:02:22,978 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2018-12-09 13:02:22,978 INFO L168 Benchmark]: Boogie Preprocessor took 29.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-12-09 13:02:22,978 INFO L168 Benchmark]: RCFGBuilder took 992.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 836.3 MB in the end (delta: 216.8 MB). Peak memory consumption was 216.8 MB. Max. memory is 11.5 GB. [2018-12-09 13:02:22,978 INFO L168 Benchmark]: CodeCheck took 412729.02 ms. Allocated memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: 908.6 MB). Free memory was 836.3 MB in the beginning and 679.4 MB in the end (delta: 156.9 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-12-09 13:02:22,978 INFO L168 Benchmark]: Witness Printer took 69.34 ms. Allocated memory is still 2.0 GB. Free memory was 679.4 MB in the beginning and 656.3 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2018-12-09 13:02:22,979 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, 198 locations, 1 error locations. SAFE Result, 399.5s OverallTime, 127 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1243329852 SDtfs, -1307973058 SDslu, -2011419246 SDs, 0 SdLazy, 905734262 SolverSat, 208052202 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 660.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 169702 GetRequests, 162318 SyntacticMatches, 5582 SemanticMatches, 1802 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2520660 ImplicationChecksByTransitivity, 366.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.5s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 46.8s InterpolantComputationTime, 25541 NumberOfCodeBlocks, 25541 NumberOfCodeBlocksAsserted, 126 NumberOfCheckSat, 25415 ConstructedInterpolants, 0 QuantifiedInterpolants, 45924779 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 126 InterpolantComputations, 96 PerfectInterpolantSequences, 33451/35290 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: 500]: 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: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((a7 == 1 && a21 <= 0) && a17 == 1) && a12 == 8) && a20 == 1) || !(a16 == 5)) || !(a8 == 13) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((a7 == 1 && a21 <= 0) && a17 == 1) && a12 == 8) && a20 == 1) || !(a16 == 5)) || !(a8 == 13) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 307.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 78.6 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -119.8 MB). Peak memory consumption was 35.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 992.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 836.3 MB in the end (delta: 216.8 MB). Peak memory consumption was 216.8 MB. Max. memory is 11.5 GB. * CodeCheck took 412729.02 ms. Allocated memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: 908.6 MB). Free memory was 836.3 MB in the beginning and 679.4 MB in the end (delta: 156.9 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 69.34 ms. Allocated memory is still 2.0 GB. Free memory was 679.4 MB in the beginning and 656.3 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...