./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label04_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5de272ad-156c-40da-8d08-d22508d1ab3a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5de272ad-156c-40da-8d08-d22508d1ab3a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5de272ad-156c-40da-8d08-d22508d1ab3a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5de272ad-156c-40da-8d08-d22508d1ab3a/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label04_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5de272ad-156c-40da-8d08-d22508d1ab3a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5de272ad-156c-40da-8d08-d22508d1ab3a/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fbfe8dec550fadf4da01fadd46005a09263b3b04 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 15:50:54,374 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 15:50:54,375 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 15:50:54,381 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 15:50:54,381 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 15:50:54,382 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 15:50:54,383 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 15:50:54,383 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 15:50:54,384 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 15:50:54,385 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 15:50:54,385 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 15:50:54,385 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 15:50:54,386 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 15:50:54,386 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 15:50:54,387 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 15:50:54,387 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 15:50:54,387 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 15:50:54,388 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 15:50:54,389 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 15:50:54,390 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 15:50:54,391 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 15:50:54,391 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 15:50:54,392 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 15:50:54,392 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 15:50:54,392 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 15:50:54,393 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 15:50:54,393 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 15:50:54,394 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 15:50:54,394 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 15:50:54,394 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 15:50:54,395 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 15:50:54,395 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 15:50:54,395 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 15:50:54,395 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 15:50:54,396 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 15:50:54,396 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 15:50:54,396 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5de272ad-156c-40da-8d08-d22508d1ab3a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 15:50:54,403 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 15:50:54,403 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 15:50:54,404 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 15:50:54,404 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 15:50:54,404 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 15:50:54,404 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 15:50:54,404 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 15:50:54,404 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 15:50:54,405 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 15:50:54,405 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 15:50:54,405 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 15:50:54,405 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 15:50:54,405 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 15:50:54,405 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 15:50:54,405 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 15:50:54,405 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 15:50:54,405 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 15:50:54,405 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 15:50:54,405 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 15:50:54,406 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 15:50:54,406 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 15:50:54,406 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 15:50:54,406 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 15:50:54,406 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 15:50:54,406 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 15:50:54,406 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 15:50:54,406 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 15:50:54,406 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 15:50:54,406 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 15:50:54,407 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_5de272ad-156c-40da-8d08-d22508d1ab3a/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbfe8dec550fadf4da01fadd46005a09263b3b04 [2018-12-01 15:50:54,424 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 15:50:54,433 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 15:50:54,435 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 15:50:54,437 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 15:50:54,437 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 15:50:54,437 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5de272ad-156c-40da-8d08-d22508d1ab3a/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label04_true-unreach-call_false-termination.c [2018-12-01 15:50:54,480 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5de272ad-156c-40da-8d08-d22508d1ab3a/bin-2019/ukojak/data/b6cc0b2a9/54181c0ff3034ff995a97deb9b6db41e/FLAG2535087c5 [2018-12-01 15:50:54,853 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 15:50:54,853 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5de272ad-156c-40da-8d08-d22508d1ab3a/sv-benchmarks/c/eca-rers2012/Problem02_label04_true-unreach-call_false-termination.c [2018-12-01 15:50:54,860 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5de272ad-156c-40da-8d08-d22508d1ab3a/bin-2019/ukojak/data/b6cc0b2a9/54181c0ff3034ff995a97deb9b6db41e/FLAG2535087c5 [2018-12-01 15:50:55,226 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5de272ad-156c-40da-8d08-d22508d1ab3a/bin-2019/ukojak/data/b6cc0b2a9/54181c0ff3034ff995a97deb9b6db41e [2018-12-01 15:50:55,232 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 15:50:55,235 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 15:50:55,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 15:50:55,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 15:50:55,242 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 15:50:55,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:50:55" (1/1) ... [2018-12-01 15:50:55,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56acabfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:55, skipping insertion in model container [2018-12-01 15:50:55,244 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:50:55" (1/1) ... [2018-12-01 15:50:55,249 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 15:50:55,274 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 15:50:55,444 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:50:55,447 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 15:50:55,529 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 15:50:55,538 INFO L195 MainTranslator]: Completed translation [2018-12-01 15:50:55,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:55 WrapperNode [2018-12-01 15:50:55,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 15:50:55,539 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 15:50:55,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 15:50:55,539 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 15:50:55,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:55" (1/1) ... [2018-12-01 15:50:55,553 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:55" (1/1) ... [2018-12-01 15:50:55,580 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 15:50:55,580 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 15:50:55,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 15:50:55,580 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 15:50:55,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:55" (1/1) ... [2018-12-01 15:50:55,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:55" (1/1) ... [2018-12-01 15:50:55,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:55" (1/1) ... [2018-12-01 15:50:55,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:55" (1/1) ... [2018-12-01 15:50:55,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:55" (1/1) ... [2018-12-01 15:50:55,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:55" (1/1) ... [2018-12-01 15:50:55,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:55" (1/1) ... [2018-12-01 15:50:55,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 15:50:55,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 15:50:55,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 15:50:55,611 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 15:50:55,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:50:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5de272ad-156c-40da-8d08-d22508d1ab3a/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 15:50:55,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 15:50:55,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 15:50:56,784 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 15:50:56,784 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-01 15:50:56,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:50:56 BoogieIcfgContainer [2018-12-01 15:50:56,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 15:50:56,785 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 15:50:56,785 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 15:50:56,792 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 15:50:56,792 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:50:56" (1/1) ... [2018-12-01 15:50:56,802 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 15:50:56,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:50:56,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-01 15:50:56,831 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-01 15:50:56,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-01 15:50:56,834 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:50:56,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:50:57,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:50:57,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:50:57,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 163 states and 241 transitions. [2018-12-01 15:50:57,338 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 241 transitions. [2018-12-01 15:50:57,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-01 15:50:57,339 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:50:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:50:57,392 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 15:50:57,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:50:57,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 164 states and 242 transitions. [2018-12-01 15:50:57,484 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 242 transitions. [2018-12-01 15:50:57,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-01 15:50:57,486 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:50:57,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:50:57,531 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:50:57,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:50:57,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 181 states and 268 transitions. [2018-12-01 15:50:57,673 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 268 transitions. [2018-12-01 15:50:57,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-01 15:50:57,674 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:50:57,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:50:57,727 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:50:58,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:50:58,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 199 states and 292 transitions. [2018-12-01 15:50:58,016 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 292 transitions. [2018-12-01 15:50:58,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-01 15:50:58,017 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:50:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:50:58,047 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:50:58,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:50:58,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 220 states and 320 transitions. [2018-12-01 15:50:58,255 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 320 transitions. [2018-12-01 15:50:58,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-01 15:50:58,259 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:50:58,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:50:58,286 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:50:58,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:50:58,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 224 states and 325 transitions. [2018-12-01 15:50:58,447 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 325 transitions. [2018-12-01 15:50:58,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-01 15:50:58,448 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:50:58,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:50:58,481 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 15:50:58,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:50:58,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 228 states and 331 transitions. [2018-12-01 15:50:58,637 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 331 transitions. [2018-12-01 15:50:58,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-01 15:50:58,637 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:50:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:50:58,669 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 15:50:58,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:50:58,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 242 states and 345 transitions. [2018-12-01 15:50:58,860 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 345 transitions. [2018-12-01 15:50:58,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-01 15:50:58,861 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:50:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:50:58,884 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:50:58,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:50:58,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 246 states and 349 transitions. [2018-12-01 15:50:58,911 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 349 transitions. [2018-12-01 15:50:58,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-01 15:50:58,912 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:50:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:50:58,927 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 15:50:59,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:50:59,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 247 states and 351 transitions. [2018-12-01 15:50:59,039 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 351 transitions. [2018-12-01 15:50:59,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-01 15:50:59,039 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:50:59,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:50:59,054 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 15:50:59,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:50:59,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 250 states and 354 transitions. [2018-12-01 15:50:59,138 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 354 transitions. [2018-12-01 15:50:59,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-01 15:50:59,138 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:50:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:50:59,215 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 15:50:59,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:50:59,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 329 states and 438 transitions. [2018-12-01 15:50:59,559 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 438 transitions. [2018-12-01 15:50:59,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-01 15:50:59,560 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:50:59,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:50:59,576 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 15:50:59,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:50:59,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 347 states and 459 transitions. [2018-12-01 15:50:59,777 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 459 transitions. [2018-12-01 15:50:59,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-01 15:50:59,778 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:50:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:50:59,835 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:51:00,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:00,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 377 states and 497 transitions. [2018-12-01 15:51:00,291 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 497 transitions. [2018-12-01 15:51:00,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-01 15:51:00,292 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:00,357 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:51:01,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:01,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 407 states and 532 transitions. [2018-12-01 15:51:01,053 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 532 transitions. [2018-12-01 15:51:01,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-01 15:51:01,053 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:01,101 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:51:01,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:01,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 410 states and 535 transitions. [2018-12-01 15:51:01,188 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 535 transitions. [2018-12-01 15:51:01,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-01 15:51:01,189 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:01,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:01,215 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:51:01,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:01,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 423 states and 549 transitions. [2018-12-01 15:51:01,297 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 549 transitions. [2018-12-01 15:51:01,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-01 15:51:01,298 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:01,319 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:51:01,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:01,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 442 states and 571 transitions. [2018-12-01 15:51:01,504 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 571 transitions. [2018-12-01 15:51:01,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-01 15:51:01,506 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:01,532 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 15:51:01,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:01,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 446 states and 574 transitions. [2018-12-01 15:51:01,609 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 574 transitions. [2018-12-01 15:51:01,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-01 15:51:01,610 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:01,627 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 15:51:01,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:01,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 451 states and 578 transitions. [2018-12-01 15:51:01,645 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 578 transitions. [2018-12-01 15:51:01,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-01 15:51:01,646 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:01,669 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 15:51:01,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:01,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 465 states and 593 transitions. [2018-12-01 15:51:01,865 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 593 transitions. [2018-12-01 15:51:01,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-01 15:51:01,866 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:01,894 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 15:51:02,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:02,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 477 states and 604 transitions. [2018-12-01 15:51:02,001 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 604 transitions. [2018-12-01 15:51:02,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-01 15:51:02,002 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:02,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:02,026 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:51:02,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:02,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 481 states and 609 transitions. [2018-12-01 15:51:02,155 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 609 transitions. [2018-12-01 15:51:02,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-01 15:51:02,155 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:02,434 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 15:51:03,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:03,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 521 states and 660 transitions. [2018-12-01 15:51:03,486 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 660 transitions. [2018-12-01 15:51:03,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-01 15:51:03,487 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:03,513 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 15:51:03,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:03,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 536 states and 674 transitions. [2018-12-01 15:51:03,659 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 674 transitions. [2018-12-01 15:51:03,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-01 15:51:03,660 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:03,685 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 15:51:03,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:03,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 548 states and 685 transitions. [2018-12-01 15:51:03,842 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 685 transitions. [2018-12-01 15:51:03,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-01 15:51:03,842 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:03,864 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:51:03,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:03,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 567 states and 704 transitions. [2018-12-01 15:51:03,937 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 704 transitions. [2018-12-01 15:51:03,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 15:51:03,937 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:03,967 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 15:51:04,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:04,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 572 states and 711 transitions. [2018-12-01 15:51:04,001 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 711 transitions. [2018-12-01 15:51:04,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-01 15:51:04,002 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:04,022 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:51:04,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:04,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 574 states and 713 transitions. [2018-12-01 15:51:04,040 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 713 transitions. [2018-12-01 15:51:04,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-01 15:51:04,041 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:04,061 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 15:51:04,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:04,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 575 states and 714 transitions. [2018-12-01 15:51:04,074 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 714 transitions. [2018-12-01 15:51:04,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-01 15:51:04,075 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:04,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:04,121 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 15:51:04,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:04,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 594 states and 736 transitions. [2018-12-01 15:51:04,511 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 736 transitions. [2018-12-01 15:51:04,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-01 15:51:04,511 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:04,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:04,540 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 15:51:04,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:04,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 595 states and 737 transitions. [2018-12-01 15:51:04,559 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 737 transitions. [2018-12-01 15:51:04,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-01 15:51:04,559 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:04,576 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 15:51:04,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:04,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 598 states and 740 transitions. [2018-12-01 15:51:04,593 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 740 transitions. [2018-12-01 15:51:04,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-01 15:51:04,594 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:04,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:04,626 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 15:51:04,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:04,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 602 states and 744 transitions. [2018-12-01 15:51:04,857 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 744 transitions. [2018-12-01 15:51:04,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-01 15:51:04,857 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:04,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:04,885 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 15:51:05,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:05,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 614 states and 755 transitions. [2018-12-01 15:51:05,091 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 755 transitions. [2018-12-01 15:51:05,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-01 15:51:05,092 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:05,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:05,140 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:51:05,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:05,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 626 states and 767 transitions. [2018-12-01 15:51:05,352 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 767 transitions. [2018-12-01 15:51:05,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-01 15:51:05,353 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:05,382 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:51:05,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:05,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 629 states and 770 transitions. [2018-12-01 15:51:05,508 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 770 transitions. [2018-12-01 15:51:05,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-01 15:51:05,509 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:05,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:05,539 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-01 15:51:05,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:05,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 631 states and 771 transitions. [2018-12-01 15:51:05,609 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 771 transitions. [2018-12-01 15:51:05,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-01 15:51:05,610 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:05,725 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 15:51:05,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:05,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 635 states and 777 transitions. [2018-12-01 15:51:05,989 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 777 transitions. [2018-12-01 15:51:05,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-01 15:51:05,989 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:05,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:06,055 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 15:51:06,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:06,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 647 states and 788 transitions. [2018-12-01 15:51:06,331 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 788 transitions. [2018-12-01 15:51:06,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-12-01 15:51:06,332 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:06,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:06,352 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-01 15:51:06,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:06,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 648 states and 789 transitions. [2018-12-01 15:51:06,365 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 789 transitions. [2018-12-01 15:51:06,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-01 15:51:06,366 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:06,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:06,389 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 15:51:06,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:06,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 652 states and 793 transitions. [2018-12-01 15:51:06,411 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 793 transitions. [2018-12-01 15:51:06,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-01 15:51:06,411 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:06,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:06,496 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-01 15:51:06,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:06,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 670 states and 813 transitions. [2018-12-01 15:51:06,913 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 813 transitions. [2018-12-01 15:51:06,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-01 15:51:06,914 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:06,943 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 15:51:07,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:07,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 696 states and 840 transitions. [2018-12-01 15:51:07,028 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 840 transitions. [2018-12-01 15:51:07,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-01 15:51:07,028 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:07,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:07,061 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 15:51:07,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:07,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 708 states and 855 transitions. [2018-12-01 15:51:07,246 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 855 transitions. [2018-12-01 15:51:07,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-01 15:51:07,247 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:07,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:07,501 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 152 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 15:51:09,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:09,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 731 states and 885 transitions. [2018-12-01 15:51:09,592 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 885 transitions. [2018-12-01 15:51:09,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-01 15:51:09,594 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:09,627 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 15:51:09,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:09,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 735 states and 890 transitions. [2018-12-01 15:51:09,714 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 890 transitions. [2018-12-01 15:51:09,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-01 15:51:09,715 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:09,785 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-01 15:51:10,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:10,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 746 states and 901 transitions. [2018-12-01 15:51:10,077 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 901 transitions. [2018-12-01 15:51:10,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-01 15:51:10,078 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:10,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:10,144 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-01 15:51:10,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:10,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 749 states and 904 transitions. [2018-12-01 15:51:10,294 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 904 transitions. [2018-12-01 15:51:10,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-01 15:51:10,294 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:10,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:10,366 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-01 15:51:10,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:10,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 761 states and 915 transitions. [2018-12-01 15:51:10,696 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 915 transitions. [2018-12-01 15:51:10,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-01 15:51:10,697 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:10,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:10,739 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 15:51:11,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:11,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 791 states and 946 transitions. [2018-12-01 15:51:11,194 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 946 transitions. [2018-12-01 15:51:11,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-01 15:51:11,195 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:11,245 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 15:51:11,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:11,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 816 states and 971 transitions. [2018-12-01 15:51:11,629 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 971 transitions. [2018-12-01 15:51:11,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-01 15:51:11,629 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:11,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:11,659 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 15:51:11,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:11,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 822 states and 976 transitions. [2018-12-01 15:51:11,689 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 976 transitions. [2018-12-01 15:51:11,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-01 15:51:11,690 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:11,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:11,718 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 15:51:11,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:11,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 853 states and 1007 transitions. [2018-12-01 15:51:11,799 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1007 transitions. [2018-12-01 15:51:11,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-01 15:51:11,800 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:11,855 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-01 15:51:11,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:11,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 858 states and 1013 transitions. [2018-12-01 15:51:11,963 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1013 transitions. [2018-12-01 15:51:11,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-01 15:51:11,964 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:12,019 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-01 15:51:12,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:12,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 859 states and 1013 transitions. [2018-12-01 15:51:12,141 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1013 transitions. [2018-12-01 15:51:12,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-01 15:51:12,142 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:12,285 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:51:12,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:12,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 879 states and 1037 transitions. [2018-12-01 15:51:12,779 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1037 transitions. [2018-12-01 15:51:12,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-01 15:51:12,780 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:12,829 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:51:12,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:12,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 881 states and 1038 transitions. [2018-12-01 15:51:12,959 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1038 transitions. [2018-12-01 15:51:12,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-01 15:51:12,960 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:12,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:13,005 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 15:51:13,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:13,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 901 states and 1059 transitions. [2018-12-01 15:51:13,176 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1059 transitions. [2018-12-01 15:51:13,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-01 15:51:13,176 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:13,215 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 15:51:13,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:13,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 904 states and 1062 transitions. [2018-12-01 15:51:13,381 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1062 transitions. [2018-12-01 15:51:13,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-01 15:51:13,382 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:13,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:13,439 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 15:51:13,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:13,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 937 states and 1098 transitions. [2018-12-01 15:51:13,945 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1098 transitions. [2018-12-01 15:51:13,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-01 15:51:13,946 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:13,992 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 15:51:14,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:14,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 940 states and 1101 transitions. [2018-12-01 15:51:14,164 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1101 transitions. [2018-12-01 15:51:14,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-01 15:51:14,164 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:14,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:14,190 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 15:51:14,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:14,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 944 states and 1107 transitions. [2018-12-01 15:51:14,274 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1107 transitions. [2018-12-01 15:51:14,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-01 15:51:14,275 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:14,304 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-01 15:51:14,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:14,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 961 states and 1123 transitions. [2018-12-01 15:51:14,357 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1123 transitions. [2018-12-01 15:51:14,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-01 15:51:14,358 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:14,413 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-01 15:51:14,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:14,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 999 states and 1163 transitions. [2018-12-01 15:51:14,560 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1163 transitions. [2018-12-01 15:51:14,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-12-01 15:51:14,561 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:14,589 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-01 15:51:14,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:14,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 1002 states and 1165 transitions. [2018-12-01 15:51:14,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 1165 transitions. [2018-12-01 15:51:14,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-01 15:51:14,609 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:15,177 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 175 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:51:18,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:18,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 1123 states and 1305 transitions. [2018-12-01 15:51:18,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 1305 transitions. [2018-12-01 15:51:18,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-01 15:51:18,072 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:18,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:18,220 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 175 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:51:18,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:18,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 1127 states and 1309 transitions. [2018-12-01 15:51:18,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1309 transitions. [2018-12-01 15:51:18,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-01 15:51:18,465 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:18,625 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 175 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:51:18,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:18,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1313 states to 1132 states and 1313 transitions. [2018-12-01 15:51:18,845 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1313 transitions. [2018-12-01 15:51:18,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-12-01 15:51:18,846 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:18,883 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-01 15:51:19,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:19,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1404 states to 1211 states and 1404 transitions. [2018-12-01 15:51:19,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1404 transitions. [2018-12-01 15:51:19,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-12-01 15:51:19,307 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:19,490 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:51:21,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:21,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1254 states and 1452 transitions. [2018-12-01 15:51:21,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1452 transitions. [2018-12-01 15:51:21,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-12-01 15:51:21,796 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:21,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:21,844 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 263 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:51:22,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:22,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 1258 states and 1455 transitions. [2018-12-01 15:51:22,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1455 transitions. [2018-12-01 15:51:22,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-12-01 15:51:22,087 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:22,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:22,642 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:51:26,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:26,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1621 states to 1395 states and 1621 transitions. [2018-12-01 15:51:26,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1621 transitions. [2018-12-01 15:51:26,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-12-01 15:51:26,375 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:26,518 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:51:27,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:27,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 1405 states and 1632 transitions. [2018-12-01 15:51:27,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 1632 transitions. [2018-12-01 15:51:27,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-12-01 15:51:27,242 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:27,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:27,361 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:51:27,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:27,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1410 states and 1636 transitions. [2018-12-01 15:51:27,634 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 1636 transitions. [2018-12-01 15:51:27,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-12-01 15:51:27,635 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:27,756 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:51:28,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:28,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 1433 states and 1663 transitions. [2018-12-01 15:51:28,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 1663 transitions. [2018-12-01 15:51:28,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-12-01 15:51:28,615 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:28,755 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:51:29,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:29,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1664 states to 1434 states and 1664 transitions. [2018-12-01 15:51:29,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 1664 transitions. [2018-12-01 15:51:29,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-12-01 15:51:29,087 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:29,208 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:51:29,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:29,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 1444 states and 1673 transitions. [2018-12-01 15:51:29,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 1673 transitions. [2018-12-01 15:51:29,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-12-01 15:51:29,583 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:29,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:29,714 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:51:30,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:30,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1676 states to 1448 states and 1676 transitions. [2018-12-01 15:51:30,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1448 states and 1676 transitions. [2018-12-01 15:51:30,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-12-01 15:51:30,070 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:30,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:30,189 INFO L134 CoverageAnalysis]: Checked inductivity of 339 backedges. 236 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 15:51:30,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:30,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1453 states and 1680 transitions. [2018-12-01 15:51:30,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 1680 transitions. [2018-12-01 15:51:30,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-01 15:51:30,512 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:30,549 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2018-12-01 15:51:30,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:30,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1456 states and 1682 transitions. [2018-12-01 15:51:30,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 1682 transitions. [2018-12-01 15:51:30,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-12-01 15:51:30,689 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:30,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:30,755 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 382 proven. 16 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 15:51:31,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:31,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1480 states and 1706 transitions. [2018-12-01 15:51:31,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1480 states and 1706 transitions. [2018-12-01 15:51:31,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2018-12-01 15:51:31,573 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:31,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:31,639 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 382 proven. 16 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-01 15:51:31,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:31,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 1484 states and 1709 transitions. [2018-12-01 15:51:31,914 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1709 transitions. [2018-12-01 15:51:31,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-01 15:51:31,915 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:31,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:32,060 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-01 15:51:35,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:35,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1788 states to 1548 states and 1788 transitions. [2018-12-01 15:51:35,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1548 states and 1788 transitions. [2018-12-01 15:51:35,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-01 15:51:35,819 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:35,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:35,865 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-01 15:51:36,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:36,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1801 states to 1561 states and 1801 transitions. [2018-12-01 15:51:36,355 INFO L276 IsEmpty]: Start isEmpty. Operand 1561 states and 1801 transitions. [2018-12-01 15:51:36,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-01 15:51:36,356 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:36,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:36,402 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-01 15:51:36,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:36,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1807 states to 1566 states and 1807 transitions. [2018-12-01 15:51:36,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 1807 transitions. [2018-12-01 15:51:36,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-01 15:51:36,675 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:36,723 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-01 15:51:37,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:37,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1810 states to 1570 states and 1810 transitions. [2018-12-01 15:51:37,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 1810 transitions. [2018-12-01 15:51:37,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-12-01 15:51:37,128 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:37,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:37,430 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 0 proven. 199 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2018-12-01 15:51:38,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:38,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 1649 states and 1892 transitions. [2018-12-01 15:51:38,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 1892 transitions. [2018-12-01 15:51:38,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-12-01 15:51:38,412 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:38,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:38,698 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-01 15:51:41,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:41,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2039 states to 1783 states and 2039 transitions. [2018-12-01 15:51:41,052 INFO L276 IsEmpty]: Start isEmpty. Operand 1783 states and 2039 transitions. [2018-12-01 15:51:41,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-01 15:51:41,053 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:41,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:41,337 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 236 proven. 129 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2018-12-01 15:51:41,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:41,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2080 states to 1821 states and 2080 transitions. [2018-12-01 15:51:41,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1821 states and 2080 transitions. [2018-12-01 15:51:41,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2018-12-01 15:51:41,976 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:42,281 INFO L134 CoverageAnalysis]: Checked inductivity of 665 backedges. 465 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2018-12-01 15:51:43,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:43,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2156 states to 1892 states and 2156 transitions. [2018-12-01 15:51:43,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1892 states and 2156 transitions. [2018-12-01 15:51:43,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2018-12-01 15:51:43,445 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:43,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:43,535 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 274 proven. 0 refuted. 0 times theorem prover too weak. 398 trivial. 0 not checked. [2018-12-01 15:51:47,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:47,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2235 states to 1970 states and 2235 transitions. [2018-12-01 15:51:47,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1970 states and 2235 transitions. [2018-12-01 15:51:47,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-01 15:51:47,395 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 15:51:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 15:51:47,883 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 75 proven. 400 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2018-12-01 15:51:51,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 15:51:51,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2312 states to 2032 states and 2312 transitions. [2018-12-01 15:51:51,284 INFO L276 IsEmpty]: Start isEmpty. Operand 2032 states and 2312 transitions. [2018-12-01 15:51:51,285 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 15:51:51,285 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 94 iterations. [2018-12-01 15:51:51,292 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 15:51:54,375 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 18 [2018-12-01 15:51:56,079 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 15:51:56,081 INFO L583 CodeCheckObserver]: Invariant with dag size 18 [2018-12-01 15:51:56,086 INFO L583 CodeCheckObserver]: Invariant with dag size 18 [2018-12-01 15:51:56,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 03:51:56 ImpRootNode [2018-12-01 15:51:56,086 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 15:51:56,087 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 15:51:56,087 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 15:51:56,087 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 15:51:56,087 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:50:56" (3/4) ... [2018-12-01 15:51:56,089 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 15:51:56,100 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 110 nodes and edges [2018-12-01 15:51:56,100 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-01 15:51:56,101 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-01 15:51:56,101 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 15:51:56,167 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5de272ad-156c-40da-8d08-d22508d1ab3a/bin-2019/ukojak/witness.graphml [2018-12-01 15:51:56,167 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 15:51:56,167 INFO L168 Benchmark]: Toolchain (without parser) took 60934.52 ms. Allocated memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: 1.5 GB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -287.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-12-01 15:51:56,168 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 15:51:56,168 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -116.1 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. [2018-12-01 15:51:56,168 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-01 15:51:56,168 INFO L168 Benchmark]: Boogie Preprocessor took 30.30 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 15:51:56,168 INFO L168 Benchmark]: RCFGBuilder took 1173.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 841.6 MB in the end (delta: 218.0 MB). Peak memory consumption was 218.0 MB. Max. memory is 11.5 GB. [2018-12-01 15:51:56,168 INFO L168 Benchmark]: CodeCheck took 59301.78 ms. Allocated memory was 1.1 GB in the beginning and 2.5 GB in the end (delta: 1.4 GB). Free memory was 841.6 MB in the beginning and 1.3 GB in the end (delta: -430.4 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-12-01 15:51:56,168 INFO L168 Benchmark]: Witness Printer took 80.19 ms. Allocated memory is still 2.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. [2018-12-01 15:51:56,169 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, 227 locations, 1 error locations. SAFE Result, 54.4s OverallTime, 94 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 583011584 SDtfs, -1043431926 SDslu, -790604284 SDs, 0 SdLazy, 203193562 SolverSat, -95118788 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 176.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113353 GetRequests, 110166 SyntacticMatches, 2437 SemanticMatches, 750 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395815 ImplicationChecksByTransitivity, 42.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 17263 NumberOfCodeBlocks, 17263 NumberOfCodeBlocksAsserted, 93 NumberOfCheckSat, 17170 ConstructedInterpolants, 0 QuantifiedInterpolants, 14943972 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 93 InterpolantComputations, 66 PerfectInterpolantSequences, 15253/17081 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 490]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((!(a28 == 9) || !(1 == a11)) || !(a17 == 7)) || a25 == 1) || !(a19 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((!(a28 == 9) || !(a11 == 1)) || !(a17 == 7)) || a25 == 1) || !(a19 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 302.55 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -116.1 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.30 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1173.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 841.6 MB in the end (delta: 218.0 MB). Peak memory consumption was 218.0 MB. Max. memory is 11.5 GB. * CodeCheck took 59301.78 ms. Allocated memory was 1.1 GB in the beginning and 2.5 GB in the end (delta: 1.4 GB). Free memory was 841.6 MB in the beginning and 1.3 GB in the end (delta: -430.4 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 80.19 ms. Allocated memory is still 2.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 33.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...