./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label58_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f54a81c8-d756-4dc9-bd5c-62a47567d70a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f54a81c8-d756-4dc9-bd5c-62a47567d70a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f54a81c8-d756-4dc9-bd5c-62a47567d70a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f54a81c8-d756-4dc9-bd5c-62a47567d70a/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label58_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f54a81c8-d756-4dc9-bd5c-62a47567d70a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f54a81c8-d756-4dc9-bd5c-62a47567d70a/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 d8d538e1ac6fe0032b06b927dcecfa9322a9ca23 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:00:29,581 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:00:29,582 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:00:29,589 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:00:29,590 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:00:29,590 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:00:29,591 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:00:29,592 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:00:29,593 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:00:29,594 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:00:29,594 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:00:29,594 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:00:29,595 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:00:29,596 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:00:29,596 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:00:29,597 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:00:29,597 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:00:29,598 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:00:29,599 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:00:29,600 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:00:29,601 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:00:29,601 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:00:29,603 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:00:29,603 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:00:29,603 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:00:29,604 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:00:29,604 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:00:29,605 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:00:29,605 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:00:29,606 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:00:29,606 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:00:29,607 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:00:29,607 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:00:29,607 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:00:29,608 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:00:29,608 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:00:29,608 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f54a81c8-d756-4dc9-bd5c-62a47567d70a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 12:00:29,618 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:00:29,618 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:00:29,619 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:00:29,619 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 12:00:29,619 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:00:29,620 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:00:29,620 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:00:29,620 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:00:29,620 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:00:29,620 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:00:29,620 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:00:29,620 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:00:29,621 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:00:29,621 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:00:29,621 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:00:29,621 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:00:29,621 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:00:29,621 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:00:29,621 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 12:00:29,621 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 12:00:29,622 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:00:29,622 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:00:29,622 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 12:00:29,622 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:00:29,622 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:00:29,622 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:00:29,622 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 12:00:29,623 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:00:29,623 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:00:29,623 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_f54a81c8-d756-4dc9-bd5c-62a47567d70a/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 -> d8d538e1ac6fe0032b06b927dcecfa9322a9ca23 [2018-11-18 12:00:29,648 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:00:29,658 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:00:29,660 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:00:29,661 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:00:29,662 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:00:29,662 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f54a81c8-d756-4dc9-bd5c-62a47567d70a/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label58_true-unreach-call_false-termination.c [2018-11-18 12:00:29,703 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f54a81c8-d756-4dc9-bd5c-62a47567d70a/bin-2019/ukojak/data/7c1a46c3e/51e91c0a2baf41468492ab4ff123526f/FLAG736e89b8b [2018-11-18 12:00:30,159 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:00:30,159 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f54a81c8-d756-4dc9-bd5c-62a47567d70a/sv-benchmarks/c/eca-rers2012/Problem01_label58_true-unreach-call_false-termination.c [2018-11-18 12:00:30,169 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f54a81c8-d756-4dc9-bd5c-62a47567d70a/bin-2019/ukojak/data/7c1a46c3e/51e91c0a2baf41468492ab4ff123526f/FLAG736e89b8b [2018-11-18 12:00:30,681 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f54a81c8-d756-4dc9-bd5c-62a47567d70a/bin-2019/ukojak/data/7c1a46c3e/51e91c0a2baf41468492ab4ff123526f [2018-11-18 12:00:30,683 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:00:30,684 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:00:30,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:00:30,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:00:30,686 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:00:30,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:00:30" (1/1) ... [2018-11-18 12:00:30,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24248849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:00:30, skipping insertion in model container [2018-11-18 12:00:30,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:00:30" (1/1) ... [2018-11-18 12:00:30,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:00:30,734 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:00:30,960 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:00:30,964 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:00:31,032 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:00:31,045 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:00:31,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:00:31 WrapperNode [2018-11-18 12:00:31,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:00:31,047 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:00:31,047 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:00:31,047 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:00:31,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:00:31" (1/1) ... [2018-11-18 12:00:31,117 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:00:31" (1/1) ... [2018-11-18 12:00:31,153 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:00:31,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:00:31,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:00:31,153 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:00:31,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:00:31" (1/1) ... [2018-11-18 12:00:31,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:00:31" (1/1) ... [2018-11-18 12:00:31,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:00:31" (1/1) ... [2018-11-18 12:00:31,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:00:31" (1/1) ... [2018-11-18 12:00:31,180 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:00:31" (1/1) ... [2018-11-18 12:00:31,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:00:31" (1/1) ... [2018-11-18 12:00:31,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:00:31" (1/1) ... [2018-11-18 12:00:31,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:00:31,197 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:00:31,197 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:00:31,198 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:00:31,198 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:00:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f54a81c8-d756-4dc9-bd5c-62a47567d70a/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 12:00:31,247 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 12:00:31,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:00:31,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:00:32,661 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:00:32,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:00:32 BoogieIcfgContainer [2018-11-18 12:00:32,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:00:32,662 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 12:00:32,662 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 12:00:32,669 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 12:00:32,669 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:00:32" (1/1) ... [2018-11-18 12:00:32,677 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:00:32,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:32,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-11-18 12:00:32,702 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-11-18 12:00:32,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 12:00:32,706 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:32,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:32,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:33,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:33,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 147 states and 233 transitions. [2018-11-18 12:00:33,382 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 233 transitions. [2018-11-18 12:00:33,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 12:00:33,384 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:33,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:33,483 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 12:00:33,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:33,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 222 states and 313 transitions. [2018-11-18 12:00:33,887 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 313 transitions. [2018-11-18 12:00:33,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 12:00:33,889 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:33,940 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 12:00:34,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:34,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 223 states and 314 transitions. [2018-11-18 12:00:34,040 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 314 transitions. [2018-11-18 12:00:34,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 12:00:34,042 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:34,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:34,092 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:34,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:34,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 250 states and 346 transitions. [2018-11-18 12:00:34,264 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 346 transitions. [2018-11-18 12:00:34,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 12:00:34,266 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:34,298 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:34,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:34,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 255 states and 353 transitions. [2018-11-18 12:00:34,439 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 353 transitions. [2018-11-18 12:00:34,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 12:00:34,443 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:34,501 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 12:00:34,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:34,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 290 states and 395 transitions. [2018-11-18 12:00:34,929 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 395 transitions. [2018-11-18 12:00:34,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-18 12:00:34,930 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:34,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:34,956 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:35,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:35,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 322 states and 427 transitions. [2018-11-18 12:00:35,104 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 427 transitions. [2018-11-18 12:00:35,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-18 12:00:35,104 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:35,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:35,150 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:35,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:35,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 336 states and 442 transitions. [2018-11-18 12:00:35,221 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 442 transitions. [2018-11-18 12:00:35,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 12:00:35,223 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:35,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:35,250 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 12:00:35,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:35,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 337 states and 445 transitions. [2018-11-18 12:00:35,362 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 445 transitions. [2018-11-18 12:00:35,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 12:00:35,362 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:35,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:35,403 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 12:00:35,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:35,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 353 states and 467 transitions. [2018-11-18 12:00:35,675 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 467 transitions. [2018-11-18 12:00:35,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-11-18 12:00:35,677 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:35,710 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 12:00:35,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:35,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 357 states and 471 transitions. [2018-11-18 12:00:35,818 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 471 transitions. [2018-11-18 12:00:35,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-18 12:00:35,819 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:35,869 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:36,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:36,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 398 states and 514 transitions. [2018-11-18 12:00:36,143 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 514 transitions. [2018-11-18 12:00:36,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-18 12:00:36,145 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:36,211 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:36,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:36,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 405 states and 522 transitions. [2018-11-18 12:00:36,255 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 522 transitions. [2018-11-18 12:00:36,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-18 12:00:36,255 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:36,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:36,288 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 12:00:36,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:36,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 407 states and 525 transitions. [2018-11-18 12:00:36,318 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 525 transitions. [2018-11-18 12:00:36,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-18 12:00:36,319 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:36,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:36,435 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:36,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:36,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 453 states and 579 transitions. [2018-11-18 12:00:36,892 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 579 transitions. [2018-11-18 12:00:36,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-18 12:00:36,892 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:36,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:36,933 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:37,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:37,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 490 states and 618 transitions. [2018-11-18 12:00:37,090 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 618 transitions. [2018-11-18 12:00:37,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 12:00:37,091 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:37,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:37,145 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 12:00:37,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:37,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 500 states and 633 transitions. [2018-11-18 12:00:37,353 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 633 transitions. [2018-11-18 12:00:37,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-18 12:00:37,354 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:37,469 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 12:00:37,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:37,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 515 states and 653 transitions. [2018-11-18 12:00:37,860 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 653 transitions. [2018-11-18 12:00:37,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-18 12:00:37,861 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:37,898 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 12:00:38,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:38,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 524 states and 665 transitions. [2018-11-18 12:00:38,084 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 665 transitions. [2018-11-18 12:00:38,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-18 12:00:38,084 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:38,110 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 12:00:38,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:38,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 528 states and 668 transitions. [2018-11-18 12:00:38,224 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 668 transitions. [2018-11-18 12:00:38,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-18 12:00:38,224 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:38,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:38,282 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 12:00:38,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:38,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 571 states and 712 transitions. [2018-11-18 12:00:38,513 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 712 transitions. [2018-11-18 12:00:38,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 12:00:38,514 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:38,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:38,648 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 12:00:39,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:39,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 586 states and 730 transitions. [2018-11-18 12:00:39,232 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 730 transitions. [2018-11-18 12:00:39,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 12:00:39,233 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:39,284 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 12:00:39,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:39,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 590 states and 736 transitions. [2018-11-18 12:00:39,561 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 736 transitions. [2018-11-18 12:00:39,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 12:00:39,562 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:39,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:39,590 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 12:00:39,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:39,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 596 states and 744 transitions. [2018-11-18 12:00:39,962 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 744 transitions. [2018-11-18 12:00:39,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 12:00:39,963 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:39,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:40,008 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:40,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:40,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 614 states and 762 transitions. [2018-11-18 12:00:40,106 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 762 transitions. [2018-11-18 12:00:40,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 12:00:40,107 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:40,234 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 12:00:40,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:40,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 628 states and 777 transitions. [2018-11-18 12:00:40,531 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 777 transitions. [2018-11-18 12:00:40,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 12:00:40,532 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:40,872 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:42,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:42,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 693 states and 846 transitions. [2018-11-18 12:00:42,072 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 846 transitions. [2018-11-18 12:00:42,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 12:00:42,073 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:42,134 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-18 12:00:42,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:42,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 694 states and 851 transitions. [2018-11-18 12:00:42,183 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 851 transitions. [2018-11-18 12:00:42,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 12:00:42,184 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:42,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:42,492 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-11-18 12:00:42,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:42,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 708 states and 866 transitions. [2018-11-18 12:00:42,904 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 866 transitions. [2018-11-18 12:00:42,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 12:00:42,905 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:43,271 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:44,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:44,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 778 states and 947 transitions. [2018-11-18 12:00:44,515 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 947 transitions. [2018-11-18 12:00:44,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 12:00:44,516 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:44,557 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 12:00:44,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:44,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 796 states and 965 transitions. [2018-11-18 12:00:44,621 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 965 transitions. [2018-11-18 12:00:44,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 12:00:44,622 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:44,684 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 12:00:44,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:44,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 800 states and 968 transitions. [2018-11-18 12:00:44,838 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 968 transitions. [2018-11-18 12:00:44,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 12:00:44,839 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:44,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:45,017 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:45,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:45,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 866 states and 1037 transitions. [2018-11-18 12:00:45,858 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1037 transitions. [2018-11-18 12:00:45,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 12:00:45,859 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:45,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:45,918 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:46,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:46,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 887 states and 1058 transitions. [2018-11-18 12:00:46,419 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1058 transitions. [2018-11-18 12:00:46,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 12:00:46,420 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:46,459 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 12:00:46,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:46,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 888 states and 1058 transitions. [2018-11-18 12:00:46,565 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1058 transitions. [2018-11-18 12:00:46,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 12:00:46,566 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:46,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:46,596 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 12:00:46,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:46,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 916 states and 1093 transitions. [2018-11-18 12:00:46,901 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1093 transitions. [2018-11-18 12:00:46,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 12:00:46,902 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:46,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:46,957 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 98 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 12:00:47,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:47,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1106 states to 923 states and 1106 transitions. [2018-11-18 12:00:47,121 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1106 transitions. [2018-11-18 12:00:47,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-18 12:00:47,122 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:47,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:47,313 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 127 proven. 1 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-18 12:00:47,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:47,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 935 states and 1122 transitions. [2018-11-18 12:00:47,857 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1122 transitions. [2018-11-18 12:00:47,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-18 12:00:47,858 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:47,951 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 12:00:48,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:48,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 937 states and 1124 transitions. [2018-11-18 12:00:48,117 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1124 transitions. [2018-11-18 12:00:48,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-18 12:00:48,118 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:48,220 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-18 12:00:48,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:48,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1005 states and 1194 transitions. [2018-11-18 12:00:48,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1194 transitions. [2018-11-18 12:00:48,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 12:00:48,505 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:48,873 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 112 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:51,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:51,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 1075 states and 1283 transitions. [2018-11-18 12:00:51,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1283 transitions. [2018-11-18 12:00:51,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 12:00:51,727 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:51,812 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 112 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:52,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:52,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1103 states and 1312 transitions. [2018-11-18 12:00:52,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 1312 transitions. [2018-11-18 12:00:52,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 12:00:52,556 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:52,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:52,610 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 12:00:52,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:52,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 1105 states and 1315 transitions. [2018-11-18 12:00:52,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1315 transitions. [2018-11-18 12:00:52,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-11-18 12:00:52,643 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:52,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:52,720 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 12:00:52,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:52,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1317 states to 1107 states and 1317 transitions. [2018-11-18 12:00:52,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 1317 transitions. [2018-11-18 12:00:52,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-11-18 12:00:52,882 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:52,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:52,919 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-18 12:00:53,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:53,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 1114 states and 1328 transitions. [2018-11-18 12:00:53,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 1328 transitions. [2018-11-18 12:00:53,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-11-18 12:00:53,089 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:53,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:53,357 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 181 proven. 27 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-18 12:00:54,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:54,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1125 states and 1342 transitions. [2018-11-18 12:00:54,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1342 transitions. [2018-11-18 12:00:54,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 12:00:54,019 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:54,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:54,616 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:00:55,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:55,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1195 states and 1417 transitions. [2018-11-18 12:00:55,930 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1417 transitions. [2018-11-18 12:00:55,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-18 12:00:55,930 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:55,982 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-18 12:00:56,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:56,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1197 states and 1419 transitions. [2018-11-18 12:00:56,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1419 transitions. [2018-11-18 12:00:56,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-18 12:00:56,131 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:56,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:56,301 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-11-18 12:00:56,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:56,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1268 states and 1494 transitions. [2018-11-18 12:00:56,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 1494 transitions. [2018-11-18 12:00:56,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-18 12:00:56,880 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:56,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:56,923 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-18 12:00:58,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:58,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 1341 states and 1583 transitions. [2018-11-18 12:00:58,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1583 transitions. [2018-11-18 12:00:58,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-18 12:00:58,213 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:58,259 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-18 12:00:58,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:00:58,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1399 states and 1642 transitions. [2018-11-18 12:00:58,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1399 states and 1642 transitions. [2018-11-18 12:00:58,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-11-18 12:00:58,774 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:00:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:58,912 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 150 proven. 4 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-11-18 12:01:00,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:00,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1736 states to 1476 states and 1736 transitions. [2018-11-18 12:01:00,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 1736 transitions. [2018-11-18 12:01:00,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-18 12:01:00,358 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:00,450 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-18 12:01:00,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:00,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1739 states to 1479 states and 1739 transitions. [2018-11-18 12:01:00,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 1739 transitions. [2018-11-18 12:01:00,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 12:01:00,779 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:00,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:00,816 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-18 12:01:01,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:01,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 1500 states and 1759 transitions. [2018-11-18 12:01:01,249 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 1759 transitions. [2018-11-18 12:01:01,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-18 12:01:01,251 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:01,792 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-11-18 12:01:03,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:03,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1542 states and 1809 transitions. [2018-11-18 12:01:03,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 1809 transitions. [2018-11-18 12:01:03,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-18 12:01:03,723 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:04,048 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-11-18 12:01:04,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:04,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 1556 states and 1823 transitions. [2018-11-18 12:01:04,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 1823 transitions. [2018-11-18 12:01:04,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-11-18 12:01:04,359 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:04,434 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2018-11-18 12:01:04,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:04,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1867 states to 1598 states and 1867 transitions. [2018-11-18 12:01:04,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1598 states and 1867 transitions. [2018-11-18 12:01:04,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-11-18 12:01:04,706 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:04,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:05,599 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-18 12:01:08,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:08,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1908 states to 1632 states and 1908 transitions. [2018-11-18 12:01:08,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 1908 transitions. [2018-11-18 12:01:08,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-11-18 12:01:08,309 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:08,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:08,477 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-18 12:01:09,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:09,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1920 states to 1646 states and 1920 transitions. [2018-11-18 12:01:09,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 1920 transitions. [2018-11-18 12:01:09,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-11-18 12:01:09,002 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:09,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:09,048 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 199 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-11-18 12:01:09,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:09,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1921 states to 1648 states and 1921 transitions. [2018-11-18 12:01:09,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 1921 transitions. [2018-11-18 12:01:09,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-18 12:01:09,287 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:09,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:09,335 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 229 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-18 12:01:09,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:09,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1957 states to 1679 states and 1957 transitions. [2018-11-18 12:01:09,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 1957 transitions. [2018-11-18 12:01:09,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-11-18 12:01:09,948 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:09,995 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 229 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-18 12:01:10,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:10,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1964 states to 1684 states and 1964 transitions. [2018-11-18 12:01:10,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 1964 transitions. [2018-11-18 12:01:10,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-11-18 12:01:10,214 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:10,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:10,675 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 66 proven. 271 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 12:01:13,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:13,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2083 states to 1788 states and 2083 transitions. [2018-11-18 12:01:13,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1788 states and 2083 transitions. [2018-11-18 12:01:13,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-18 12:01:13,107 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:13,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:13,192 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 212 proven. 70 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 12:01:14,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:14,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 1859 states and 2157 transitions. [2018-11-18 12:01:14,363 INFO L276 IsEmpty]: Start isEmpty. Operand 1859 states and 2157 transitions. [2018-11-18 12:01:14,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-18 12:01:14,364 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:14,957 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:01:15,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:15,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2165 states to 1864 states and 2165 transitions. [2018-11-18 12:01:15,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1864 states and 2165 transitions. [2018-11-18 12:01:15,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-18 12:01:15,706 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:15,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:15,960 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:01:16,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:16,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2170 states to 1868 states and 2170 transitions. [2018-11-18 12:01:16,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 2170 transitions. [2018-11-18 12:01:16,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-18 12:01:16,285 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:16,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:16,505 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:01:17,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:17,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2187 states to 1882 states and 2187 transitions. [2018-11-18 12:01:17,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1882 states and 2187 transitions. [2018-11-18 12:01:17,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-11-18 12:01:17,287 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:17,783 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 274 proven. 50 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:01:18,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:18,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 1883 states and 2189 transitions. [2018-11-18 12:01:18,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1883 states and 2189 transitions. [2018-11-18 12:01:18,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-11-18 12:01:18,400 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:18,555 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 274 proven. 50 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:01:21,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:21,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2267 states to 1951 states and 2267 transitions. [2018-11-18 12:01:21,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1951 states and 2267 transitions. [2018-11-18 12:01:21,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-11-18 12:01:21,557 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:21,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:22,316 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:01:24,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:24,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2327 states to 2006 states and 2327 transitions. [2018-11-18 12:01:24,526 INFO L276 IsEmpty]: Start isEmpty. Operand 2006 states and 2327 transitions. [2018-11-18 12:01:24,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-18 12:01:24,527 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:24,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:25,809 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 12:01:29,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:29,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2358 states to 2034 states and 2358 transitions. [2018-11-18 12:01:29,239 INFO L276 IsEmpty]: Start isEmpty. Operand 2034 states and 2358 transitions. [2018-11-18 12:01:29,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-18 12:01:29,241 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:29,500 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 348 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 12:01:31,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:31,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2391 states to 2063 states and 2391 transitions. [2018-11-18 12:01:31,929 INFO L276 IsEmpty]: Start isEmpty. Operand 2063 states and 2391 transitions. [2018-11-18 12:01:31,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-11-18 12:01:31,930 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:32,110 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 320 proven. 14 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-11-18 12:01:32,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:32,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2405 states to 2076 states and 2405 transitions. [2018-11-18 12:01:32,699 INFO L276 IsEmpty]: Start isEmpty. Operand 2076 states and 2405 transitions. [2018-11-18 12:01:32,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-11-18 12:01:32,701 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:33,003 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 320 proven. 14 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-11-18 12:01:33,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:33,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2409 states to 2080 states and 2409 transitions. [2018-11-18 12:01:33,771 INFO L276 IsEmpty]: Start isEmpty. Operand 2080 states and 2409 transitions. [2018-11-18 12:01:33,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-11-18 12:01:33,772 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:34,989 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 12:01:38,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:38,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2133 states and 2467 transitions. [2018-11-18 12:01:38,849 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 2467 transitions. [2018-11-18 12:01:38,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-11-18 12:01:38,851 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:39,550 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:01:40,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:40,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2479 states to 2144 states and 2479 transitions. [2018-11-18 12:01:40,774 INFO L276 IsEmpty]: Start isEmpty. Operand 2144 states and 2479 transitions. [2018-11-18 12:01:40,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-11-18 12:01:40,775 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:40,919 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:01:42,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:42,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2491 states to 2153 states and 2491 transitions. [2018-11-18 12:01:42,043 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 2491 transitions. [2018-11-18 12:01:42,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-11-18 12:01:42,044 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:42,188 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:01:42,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:42,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 2159 states and 2498 transitions. [2018-11-18 12:01:42,991 INFO L276 IsEmpty]: Start isEmpty. Operand 2159 states and 2498 transitions. [2018-11-18 12:01:42,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-11-18 12:01:42,993 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:43,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:43,179 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 350 proven. 6 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 12:01:43,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:43,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2500 states to 2161 states and 2500 transitions. [2018-11-18 12:01:43,387 INFO L276 IsEmpty]: Start isEmpty. Operand 2161 states and 2500 transitions. [2018-11-18 12:01:43,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-11-18 12:01:43,389 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:43,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:43,535 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 311 proven. 5 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-11-18 12:01:43,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:43,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2501 states to 2163 states and 2501 transitions. [2018-11-18 12:01:43,763 INFO L276 IsEmpty]: Start isEmpty. Operand 2163 states and 2501 transitions. [2018-11-18 12:01:43,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-18 12:01:43,764 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:44,367 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 489 proven. 5 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:01:46,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:46,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2529 states to 2187 states and 2529 transitions. [2018-11-18 12:01:46,683 INFO L276 IsEmpty]: Start isEmpty. Operand 2187 states and 2529 transitions. [2018-11-18 12:01:46,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-18 12:01:46,684 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:46,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:46,900 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 489 proven. 5 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 12:01:47,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:47,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2533 states to 2191 states and 2533 transitions. [2018-11-18 12:01:47,748 INFO L276 IsEmpty]: Start isEmpty. Operand 2191 states and 2533 transitions. [2018-11-18 12:01:47,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-11-18 12:01:47,749 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:47,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:48,306 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 363 proven. 20 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2018-11-18 12:01:50,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:50,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2561 states to 2216 states and 2561 transitions. [2018-11-18 12:01:50,243 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 2561 transitions. [2018-11-18 12:01:50,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-11-18 12:01:50,245 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 12:01:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:50,472 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 128 proven. 383 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-11-18 12:01:51,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 12:01:51,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2515 states to 2172 states and 2515 transitions. [2018-11-18 12:01:51,301 INFO L276 IsEmpty]: Start isEmpty. Operand 2172 states and 2515 transitions. [2018-11-18 12:01:51,302 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:01:51,302 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 85 iterations. [2018-11-18 12:01:51,308 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 12:01:51,576 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 12 [2018-11-18 12:01:52,063 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12 [2018-11-18 12:01:52,169 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2018-11-18 12:01:52,513 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12 [2018-11-18 12:01:52,670 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12 [2018-11-18 12:01:52,774 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 12 [2018-11-18 12:01:53,019 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 12 [2018-11-18 12:01:53,197 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2018-11-18 12:01:54,384 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12 [2018-11-18 12:01:55,628 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 48 [2018-11-18 12:01:55,944 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 12 [2018-11-18 12:01:56,395 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 45 [2018-11-18 12:01:56,395 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 12:01:56,397 INFO L579 CodeCheckObserver]: Invariant with dag size 12 [2018-11-18 12:01:56,402 INFO L579 CodeCheckObserver]: Invariant with dag size 12 [2018-11-18 12:01:56,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 12:01:56 ImpRootNode [2018-11-18 12:01:56,406 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 12:01:56,406 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:01:56,406 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:01:56,407 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:01:56,407 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:00:32" (3/4) ... [2018-11-18 12:01:56,409 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:01:56,423 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 102 nodes and edges [2018-11-18 12:01:56,424 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 12:01:56,425 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-18 12:01:56,519 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f54a81c8-d756-4dc9-bd5c-62a47567d70a/bin-2019/ukojak/witness.graphml [2018-11-18 12:01:56,519 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:01:56,520 INFO L168 Benchmark]: Toolchain (without parser) took 85836.78 ms. Allocated memory was 1.0 GB in the beginning and 3.2 GB in the end (delta: 2.2 GB). Free memory was 955.5 MB in the beginning and 1.5 GB in the end (delta: -572.8 MB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-11-18 12:01:56,521 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:01:56,521 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.64 ms. Allocated memory is still 1.0 GB. Free memory was 955.5 MB in the beginning and 917.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:01:56,521 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 917.9 MB in the beginning and 1.1 GB in the end (delta: -206.1 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:01:56,521 INFO L168 Benchmark]: Boogie Preprocessor took 44.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-18 12:01:56,522 INFO L168 Benchmark]: RCFGBuilder took 1464.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 890.0 MB in the end (delta: 227.2 MB). Peak memory consumption was 227.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:01:56,522 INFO L168 Benchmark]: CodeCheck took 83744.16 ms. Allocated memory was 1.2 GB in the beginning and 3.2 GB in the end (delta: 2.1 GB). Free memory was 890.0 MB in the beginning and 1.5 GB in the end (delta: -638.4 MB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. [2018-11-18 12:01:56,524 INFO L168 Benchmark]: Witness Printer took 112.98 ms. Allocated memory is still 3.2 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:01:56,525 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, 199 locations, 1 error locations. SAFE Result, 78.6s OverallTime, 85 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 611572276 SDtfs, -1948347630 SDslu, 705740680 SDs, 0 SdLazy, 1706230120 SolverSat, 2089095870 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 246.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 105460 GetRequests, 101561 SyntacticMatches, 2953 SemanticMatches, 946 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 682582 ImplicationChecksByTransitivity, 63.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 12.4s InterpolantComputationTime, 16088 NumberOfCodeBlocks, 16088 NumberOfCodeBlocksAsserted, 84 NumberOfCheckSat, 16004 ConstructedInterpolants, 0 QuantifiedInterpolants, 23227649 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 84 InterpolantComputations, 59 PerfectInterpolantSequences, 16941/18177 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: 473]: 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: (a20 == 1 || !(6 == a16)) || !(a8 == 14) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (a20 == 1 || !(6 == a16)) || !(a8 == 14) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 361.64 ms. Allocated memory is still 1.0 GB. Free memory was 955.5 MB in the beginning and 917.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 106.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 917.9 MB in the beginning and 1.1 GB in the end (delta: -206.1 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1464.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 890.0 MB in the end (delta: 227.2 MB). Peak memory consumption was 227.2 MB. Max. memory is 11.5 GB. * CodeCheck took 83744.16 ms. Allocated memory was 1.2 GB in the beginning and 3.2 GB in the end (delta: 2.1 GB). Free memory was 890.0 MB in the beginning and 1.5 GB in the end (delta: -638.4 MB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. * Witness Printer took 112.98 ms. Allocated memory is still 3.2 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...