./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label23.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_1d8b9764-c02a-4496-a0dd-cdf2f3d92c09/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1d8b9764-c02a-4496-a0dd-cdf2f3d92c09/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1d8b9764-c02a-4496-a0dd-cdf2f3d92c09/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1d8b9764-c02a-4496-a0dd-cdf2f3d92c09/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label23.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1d8b9764-c02a-4496-a0dd-cdf2f3d92c09/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1d8b9764-c02a-4496-a0dd-cdf2f3d92c09/bin/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 a07d46acee19a1bf676413a71857b7cd94a5f704 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 10:53:29,152 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:53:29,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:53:29,168 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:53:29,169 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:53:29,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:53:29,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:53:29,180 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:53:29,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:53:29,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:53:29,189 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:53:29,190 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:53:29,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:53:29,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:53:29,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:53:29,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:53:29,196 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:53:29,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:53:29,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:53:29,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:53:29,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:53:29,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:53:29,211 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:53:29,212 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:53:29,216 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:53:29,216 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:53:29,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:53:29,218 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:53:29,218 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:53:29,219 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:53:29,219 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:53:29,220 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:53:29,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:53:29,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:53:29,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:53:29,222 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:53:29,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:53:29,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:53:29,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:53:29,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:53:29,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:53:29,226 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1d8b9764-c02a-4496-a0dd-cdf2f3d92c09/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 10:53:29,243 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:53:29,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:53:29,244 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 10:53:29,244 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 10:53:29,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:53:29,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:53:29,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:53:29,245 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:53:29,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:53:29,246 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:53:29,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:53:29,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:53:29,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:53:29,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:53:29,247 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:53:29,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:53:29,255 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:53:29,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:53:29,255 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 10:53:29,256 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 10:53:29,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:53:29,256 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:53:29,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 10:53:29,257 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:53:29,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:53:29,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:53:29,257 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 10:53:29,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 10:53:29,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:53:29,259 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_1d8b9764-c02a-4496-a0dd-cdf2f3d92c09/bin/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 -> a07d46acee19a1bf676413a71857b7cd94a5f704 [2019-11-20 10:53:29,415 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:53:29,426 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:53:29,429 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:53:29,430 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:53:29,430 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:53:29,431 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1d8b9764-c02a-4496-a0dd-cdf2f3d92c09/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label23.c [2019-11-20 10:53:29,482 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1d8b9764-c02a-4496-a0dd-cdf2f3d92c09/bin/ukojak/data/e10d06b49/72b2d52cd7314761b0292be42968e1ff/FLAG0f5631ecb [2019-11-20 10:53:30,008 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:53:30,009 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1d8b9764-c02a-4496-a0dd-cdf2f3d92c09/sv-benchmarks/c/eca-rers2012/Problem02_label23.c [2019-11-20 10:53:30,021 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1d8b9764-c02a-4496-a0dd-cdf2f3d92c09/bin/ukojak/data/e10d06b49/72b2d52cd7314761b0292be42968e1ff/FLAG0f5631ecb [2019-11-20 10:53:30,498 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1d8b9764-c02a-4496-a0dd-cdf2f3d92c09/bin/ukojak/data/e10d06b49/72b2d52cd7314761b0292be42968e1ff [2019-11-20 10:53:30,501 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:53:30,502 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:53:30,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:53:30,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:53:30,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:53:30,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:53:30" (1/1) ... [2019-11-20 10:53:30,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8b52e69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:30, skipping insertion in model container [2019-11-20 10:53:30,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:53:30" (1/1) ... [2019-11-20 10:53:30,512 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:53:30,561 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:53:31,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:53:31,096 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:53:31,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:53:31,207 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:53:31,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:31 WrapperNode [2019-11-20 10:53:31,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:53:31,209 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:53:31,209 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:53:31,209 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:53:31,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:31" (1/1) ... [2019-11-20 10:53:31,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:31" (1/1) ... [2019-11-20 10:53:31,302 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:53:31,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:53:31,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:53:31,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:53:31,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:31" (1/1) ... [2019-11-20 10:53:31,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:31" (1/1) ... [2019-11-20 10:53:31,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:31" (1/1) ... [2019-11-20 10:53:31,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:31" (1/1) ... [2019-11-20 10:53:31,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:31" (1/1) ... [2019-11-20 10:53:31,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:31" (1/1) ... [2019-11-20 10:53:31,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:31" (1/1) ... [2019-11-20 10:53:31,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:53:31,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:53:31,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:53:31,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:53:31,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:53:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1d8b9764-c02a-4496-a0dd-cdf2f3d92c09/bin/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 [2019-11-20 10:53:31,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:53:31,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:53:33,632 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:53:33,636 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 10:53:33,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:53:33 BoogieIcfgContainer [2019-11-20 10:53:33,638 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:53:33,638 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 10:53:33,638 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 10:53:33,650 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 10:53:33,651 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:53:33" (1/1) ... [2019-11-20 10:53:33,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:53:33,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:33,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2019-11-20 10:53:33,710 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2019-11-20 10:53:33,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-20 10:53:33,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:34,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:53:34,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:34,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 163 states and 251 transitions. [2019-11-20 10:53:34,791 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 251 transitions. [2019-11-20 10:53:34,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-11-20 10:53:34,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:34,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:34,988 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:53:35,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:35,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 241 states and 341 transitions. [2019-11-20 10:53:35,804 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 341 transitions. [2019-11-20 10:53:35,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-20 10:53:35,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:35,964 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:53:36,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:36,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 245 states and 347 transitions. [2019-11-20 10:53:36,187 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 347 transitions. [2019-11-20 10:53:36,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-11-20 10:53:36,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:36,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:36,265 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:53:36,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:36,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 254 states and 358 transitions. [2019-11-20 10:53:36,377 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 358 transitions. [2019-11-20 10:53:36,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-11-20 10:53:36,381 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:36,446 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:53:36,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:36,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 264 states and 372 transitions. [2019-11-20 10:53:36,673 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 372 transitions. [2019-11-20 10:53:36,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-11-20 10:53:36,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:36,737 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:53:36,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:36,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 269 states and 377 transitions. [2019-11-20 10:53:36,794 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 377 transitions. [2019-11-20 10:53:36,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-11-20 10:53:36,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:36,961 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:53:37,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:37,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 286 states and 401 transitions. [2019-11-20 10:53:37,904 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 401 transitions. [2019-11-20 10:53:37,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-20 10:53:37,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:37,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:37,937 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:53:38,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:38,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 290 states and 406 transitions. [2019-11-20 10:53:38,052 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 406 transitions. [2019-11-20 10:53:38,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-20 10:53:38,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:38,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:38,081 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 10:53:38,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:38,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 294 states and 411 transitions. [2019-11-20 10:53:38,233 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 411 transitions. [2019-11-20 10:53:38,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-11-20 10:53:38,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:38,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:38,280 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:53:38,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:38,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 295 states and 412 transitions. [2019-11-20 10:53:38,302 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 412 transitions. [2019-11-20 10:53:38,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-11-20 10:53:38,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:38,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:38,342 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 10:53:38,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:38,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 298 states and 414 transitions. [2019-11-20 10:53:38,440 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 414 transitions. [2019-11-20 10:53:38,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-11-20 10:53:38,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:38,475 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:53:38,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:38,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 305 states and 421 transitions. [2019-11-20 10:53:38,523 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 421 transitions. [2019-11-20 10:53:38,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-11-20 10:53:38,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:38,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:38,559 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:53:38,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:38,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 312 states and 428 transitions. [2019-11-20 10:53:38,640 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 428 transitions. [2019-11-20 10:53:38,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-11-20 10:53:38,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:38,669 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:53:38,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:38,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 318 states and 434 transitions. [2019-11-20 10:53:38,719 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 434 transitions. [2019-11-20 10:53:38,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-11-20 10:53:38,721 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:38,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:38,770 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:53:39,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:39,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 334 states and 454 transitions. [2019-11-20 10:53:39,400 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 454 transitions. [2019-11-20 10:53:39,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-11-20 10:53:39,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:39,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:39,559 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 10:53:40,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:40,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 352 states and 475 transitions. [2019-11-20 10:53:40,013 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 475 transitions. [2019-11-20 10:53:40,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-11-20 10:53:40,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:40,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:40,161 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 10:53:41,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:41,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 456 states and 589 transitions. [2019-11-20 10:53:41,503 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 589 transitions. [2019-11-20 10:53:41,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-11-20 10:53:41,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:41,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:41,581 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:53:41,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:41,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 463 states and 596 transitions. [2019-11-20 10:53:41,649 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 596 transitions. [2019-11-20 10:53:41,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-11-20 10:53:41,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:41,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:41,759 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:53:42,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:42,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 494 states and 638 transitions. [2019-11-20 10:53:42,950 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 638 transitions. [2019-11-20 10:53:42,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-11-20 10:53:42,952 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:42,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:42,986 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:53:43,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:43,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 499 states and 642 transitions. [2019-11-20 10:53:43,250 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 642 transitions. [2019-11-20 10:53:43,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-11-20 10:53:43,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:43,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:43,436 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:53:44,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:44,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 529 states and 681 transitions. [2019-11-20 10:53:44,741 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 681 transitions. [2019-11-20 10:53:44,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-11-20 10:53:44,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:44,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:44,874 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 10:53:45,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:45,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 545 states and 703 transitions. [2019-11-20 10:53:45,810 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 703 transitions. [2019-11-20 10:53:45,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-11-20 10:53:45,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:45,935 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 10:53:46,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:46,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 550 states and 707 transitions. [2019-11-20 10:53:46,158 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 707 transitions. [2019-11-20 10:53:46,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-11-20 10:53:46,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:46,284 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 10:53:46,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:46,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 565 states and 722 transitions. [2019-11-20 10:53:46,600 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 722 transitions. [2019-11-20 10:53:46,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-11-20 10:53:46,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:46,691 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 10:53:47,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:47,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 587 states and 755 transitions. [2019-11-20 10:53:47,578 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 755 transitions. [2019-11-20 10:53:47,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-11-20 10:53:47,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:47,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:47,657 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 10:53:47,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:47,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 590 states and 757 transitions. [2019-11-20 10:53:47,957 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 757 transitions. [2019-11-20 10:53:47,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-11-20 10:53:47,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:47,997 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:53:48,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:48,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 613 states and 783 transitions. [2019-11-20 10:53:48,588 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 783 transitions. [2019-11-20 10:53:48,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-11-20 10:53:48,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:48,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:48,634 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-20 10:53:49,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:49,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 616 states and 788 transitions. [2019-11-20 10:53:49,117 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 788 transitions. [2019-11-20 10:53:49,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-11-20 10:53:49,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:49,161 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-11-20 10:53:49,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:49,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 619 states and 792 transitions. [2019-11-20 10:53:49,464 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 792 transitions. [2019-11-20 10:53:49,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-11-20 10:53:49,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:49,508 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:53:50,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:50,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 652 states and 827 transitions. [2019-11-20 10:53:50,035 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 827 transitions. [2019-11-20 10:53:50,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-11-20 10:53:50,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:50,088 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 10:53:50,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:50,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 661 states and 835 transitions. [2019-11-20 10:53:50,264 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 835 transitions. [2019-11-20 10:53:50,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-11-20 10:53:50,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:50,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:50,307 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 10:53:50,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:50,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 683 states and 857 transitions. [2019-11-20 10:53:50,633 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 857 transitions. [2019-11-20 10:53:50,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-11-20 10:53:50,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:50,688 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:53:52,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:52,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 727 states and 911 transitions. [2019-11-20 10:53:52,661 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 911 transitions. [2019-11-20 10:53:52,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-11-20 10:53:52,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:52,852 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 10:53:54,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:54,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 758 states and 954 transitions. [2019-11-20 10:53:54,221 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 954 transitions. [2019-11-20 10:53:54,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-11-20 10:53:54,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:54,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:54,308 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 10:53:54,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:54,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 761 states and 956 transitions. [2019-11-20 10:53:54,680 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 956 transitions. [2019-11-20 10:53:54,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-11-20 10:53:54,682 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:54,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:54,970 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 10:53:55,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:55,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 777 states and 974 transitions. [2019-11-20 10:53:55,748 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 974 transitions. [2019-11-20 10:53:55,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-11-20 10:53:55,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:55,838 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:53:57,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:57,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 793 states and 997 transitions. [2019-11-20 10:53:57,239 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 997 transitions. [2019-11-20 10:53:57,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-11-20 10:53:57,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:57,291 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:53:57,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:57,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 798 states and 1001 transitions. [2019-11-20 10:53:57,662 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1001 transitions. [2019-11-20 10:53:57,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-11-20 10:53:57,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:57,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:57,707 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:53:57,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:57,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 813 states and 1015 transitions. [2019-11-20 10:53:57,812 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1015 transitions. [2019-11-20 10:53:57,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-11-20 10:53:57,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:57,856 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:53:58,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:53:58,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 817 states and 1025 transitions. [2019-11-20 10:53:58,504 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1025 transitions. [2019-11-20 10:53:58,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-11-20 10:53:58,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:53:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:53:58,940 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 10:54:01,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:01,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1064 states to 848 states and 1064 transitions. [2019-11-20 10:54:01,143 INFO L276 IsEmpty]: Start isEmpty. Operand 848 states and 1064 transitions. [2019-11-20 10:54:01,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-11-20 10:54:01,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:01,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:01,201 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 10:54:01,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:01,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 853 states and 1068 transitions. [2019-11-20 10:54:01,662 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1068 transitions. [2019-11-20 10:54:01,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-11-20 10:54:01,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:01,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:01,850 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 10:54:02,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:02,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 873 states and 1091 transitions. [2019-11-20 10:54:02,682 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1091 transitions. [2019-11-20 10:54:02,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-11-20 10:54:02,683 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:02,752 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 10:54:02,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:02,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 882 states and 1099 transitions. [2019-11-20 10:54:02,932 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1099 transitions. [2019-11-20 10:54:02,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-11-20 10:54:02,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:02,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:03,060 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 10:54:03,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:03,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1107 states to 891 states and 1107 transitions. [2019-11-20 10:54:03,262 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1107 transitions. [2019-11-20 10:54:03,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-11-20 10:54:03,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:03,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:03,695 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:54:07,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:07,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 949 states and 1176 transitions. [2019-11-20 10:54:07,620 INFO L276 IsEmpty]: Start isEmpty. Operand 949 states and 1176 transitions. [2019-11-20 10:54:07,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-11-20 10:54:07,622 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:07,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:07,659 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 10:54:08,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:08,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1184 states to 953 states and 1184 transitions. [2019-11-20 10:54:08,319 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1184 transitions. [2019-11-20 10:54:08,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-11-20 10:54:08,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:08,355 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-20 10:54:08,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:08,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 956 states and 1189 transitions. [2019-11-20 10:54:08,511 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1189 transitions. [2019-11-20 10:54:08,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-11-20 10:54:08,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:08,606 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 10:54:09,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:09,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 979 states and 1215 transitions. [2019-11-20 10:54:09,286 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1215 transitions. [2019-11-20 10:54:09,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-11-20 10:54:09,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:09,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:09,376 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 10:54:09,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:09,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 988 states and 1223 transitions. [2019-11-20 10:54:09,730 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 1223 transitions. [2019-11-20 10:54:09,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-11-20 10:54:09,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:09,807 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 10:54:10,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:10,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1004 states and 1240 transitions. [2019-11-20 10:54:10,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1240 transitions. [2019-11-20 10:54:10,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-11-20 10:54:10,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:10,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:10,518 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 10:54:10,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:10,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1013 states and 1248 transitions. [2019-11-20 10:54:10,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1248 transitions. [2019-11-20 10:54:10,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-11-20 10:54:10,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:10,911 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 10:54:11,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:11,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1022 states and 1256 transitions. [2019-11-20 10:54:11,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1256 transitions. [2019-11-20 10:54:11,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-11-20 10:54:11,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:11,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:11,717 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:54:17,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:17,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1082 states and 1326 transitions. [2019-11-20 10:54:17,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1326 transitions. [2019-11-20 10:54:17,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-20 10:54:17,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:17,519 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 10:54:17,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:17,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1085 states and 1329 transitions. [2019-11-20 10:54:17,874 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1329 transitions. [2019-11-20 10:54:17,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-20 10:54:17,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:18,300 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:54:21,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:21,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 1120 states and 1366 transitions. [2019-11-20 10:54:21,299 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1366 transitions. [2019-11-20 10:54:21,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-20 10:54:21,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:21,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:21,397 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:54:22,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:22,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 1136 states and 1381 transitions. [2019-11-20 10:54:22,236 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 1381 transitions. [2019-11-20 10:54:22,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-20 10:54:22,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:22,362 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 96 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2019-11-20 10:54:22,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:22,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 1151 states and 1397 transitions. [2019-11-20 10:54:22,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1397 transitions. [2019-11-20 10:54:22,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-20 10:54:22,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:22,788 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 96 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2019-11-20 10:54:22,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:22,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 1154 states and 1401 transitions. [2019-11-20 10:54:22,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1401 transitions. [2019-11-20 10:54:22,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-11-20 10:54:22,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:23,337 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:54:27,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:27,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1214 states and 1467 transitions. [2019-11-20 10:54:27,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 1467 transitions. [2019-11-20 10:54:27,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-11-20 10:54:27,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:28,096 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:54:28,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:28,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1230 states and 1483 transitions. [2019-11-20 10:54:28,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1483 transitions. [2019-11-20 10:54:28,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-11-20 10:54:28,700 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:28,783 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:54:29,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:29,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1234 states and 1488 transitions. [2019-11-20 10:54:29,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 1488 transitions. [2019-11-20 10:54:29,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-11-20 10:54:29,338 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:29,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:29,401 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 10:54:29,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:29,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1498 states to 1241 states and 1498 transitions. [2019-11-20 10:54:29,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1498 transitions. [2019-11-20 10:54:29,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-11-20 10:54:29,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:29,614 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2019-11-20 10:54:29,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:29,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 1244 states and 1504 transitions. [2019-11-20 10:54:29,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 1504 transitions. [2019-11-20 10:54:29,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-11-20 10:54:29,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:29,903 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:54:32,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:32,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1548 states to 1282 states and 1548 transitions. [2019-11-20 10:54:32,367 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1548 transitions. [2019-11-20 10:54:32,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-11-20 10:54:32,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:32,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:32,419 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:54:32,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:32,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 1293 states and 1559 transitions. [2019-11-20 10:54:32,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1559 transitions. [2019-11-20 10:54:32,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-11-20 10:54:32,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:32,894 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:54:33,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:33,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1296 states and 1563 transitions. [2019-11-20 10:54:33,272 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 1563 transitions. [2019-11-20 10:54:33,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-11-20 10:54:33,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:33,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:34,089 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 10:54:37,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:37,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1611 states to 1345 states and 1611 transitions. [2019-11-20 10:54:37,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1345 states and 1611 transitions. [2019-11-20 10:54:37,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-11-20 10:54:37,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:37,999 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 84 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 10:54:39,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:39,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 1375 states and 1643 transitions. [2019-11-20 10:54:39,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1375 states and 1643 transitions. [2019-11-20 10:54:39,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-11-20 10:54:39,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:39,398 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-20 10:54:39,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:39,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1397 states and 1666 transitions. [2019-11-20 10:54:39,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 1666 transitions. [2019-11-20 10:54:39,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-11-20 10:54:39,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:39,909 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-20 10:54:40,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:40,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1677 states to 1408 states and 1677 transitions. [2019-11-20 10:54:40,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 1677 transitions. [2019-11-20 10:54:40,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-11-20 10:54:40,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:40,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:40,725 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-20 10:54:40,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:40,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1692 states to 1422 states and 1692 transitions. [2019-11-20 10:54:40,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 1692 transitions. [2019-11-20 10:54:40,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-11-20 10:54:40,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:40,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:41,919 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:54:42,487 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2019-11-20 10:54:43,519 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2019-11-20 10:54:49,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:49,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 1474 states and 1746 transitions. [2019-11-20 10:54:49,296 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 1746 transitions. [2019-11-20 10:54:49,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-11-20 10:54:49,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:49,472 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:54:50,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:50,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1751 states to 1480 states and 1751 transitions. [2019-11-20 10:54:50,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1480 states and 1751 transitions. [2019-11-20 10:54:50,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-11-20 10:54:50,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:50,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:50,587 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 10:54:54,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:54,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1802 states to 1532 states and 1802 transitions. [2019-11-20 10:54:54,363 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1802 transitions. [2019-11-20 10:54:54,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-11-20 10:54:54,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:54,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:54,445 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 10:54:54,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:54,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1820 states to 1548 states and 1820 transitions. [2019-11-20 10:54:54,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1548 states and 1820 transitions. [2019-11-20 10:54:54,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-11-20 10:54:54,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:54,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:54,945 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-11-20 10:54:55,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:55,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1829 states to 1557 states and 1829 transitions. [2019-11-20 10:54:55,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 1829 transitions. [2019-11-20 10:54:55,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-11-20 10:54:55,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:55,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:55,131 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 10:54:56,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:56,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1915 states to 1636 states and 1915 transitions. [2019-11-20 10:54:56,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 1915 transitions. [2019-11-20 10:54:56,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-11-20 10:54:56,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:56,627 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-11-20 10:54:58,216 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2019-11-20 10:54:58,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:58,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1935 states to 1652 states and 1935 transitions. [2019-11-20 10:54:58,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 1935 transitions. [2019-11-20 10:54:58,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-11-20 10:54:58,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:59,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:59,031 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-11-20 10:54:59,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:54:59,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1955 states to 1672 states and 1955 transitions. [2019-11-20 10:54:59,117 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 1955 transitions. [2019-11-20 10:54:59,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-11-20 10:54:59,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:54:59,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:54:59,209 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 10:55:00,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:00,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1704 states and 1994 transitions. [2019-11-20 10:55:00,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1704 states and 1994 transitions. [2019-11-20 10:55:00,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-11-20 10:55:00,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:00,907 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 10:55:01,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:01,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2012 states to 1723 states and 2012 transitions. [2019-11-20 10:55:01,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1723 states and 2012 transitions. [2019-11-20 10:55:01,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-11-20 10:55:01,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:01,879 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 10:55:02,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:02,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2020 states to 1732 states and 2020 transitions. [2019-11-20 10:55:02,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1732 states and 2020 transitions. [2019-11-20 10:55:02,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-11-20 10:55:02,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:02,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:02,453 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-20 10:55:03,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:03,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2034 states to 1746 states and 2034 transitions. [2019-11-20 10:55:03,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1746 states and 2034 transitions. [2019-11-20 10:55:03,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-11-20 10:55:03,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:03,306 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-20 10:55:03,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:03,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2086 states to 1796 states and 2086 transitions. [2019-11-20 10:55:03,732 INFO L276 IsEmpty]: Start isEmpty. Operand 1796 states and 2086 transitions. [2019-11-20 10:55:03,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-11-20 10:55:03,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:03,796 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 9 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-11-20 10:55:08,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:08,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2168 states to 1863 states and 2168 transitions. [2019-11-20 10:55:08,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1863 states and 2168 transitions. [2019-11-20 10:55:08,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-11-20 10:55:08,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:08,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:08,641 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 9 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-11-20 10:55:10,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:10,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1891 states and 2196 transitions. [2019-11-20 10:55:10,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1891 states and 2196 transitions. [2019-11-20 10:55:10,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-11-20 10:55:10,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:10,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:10,324 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 9 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-11-20 10:55:10,546 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2019-11-20 10:55:11,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:11,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 1907 states and 2213 transitions. [2019-11-20 10:55:11,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1907 states and 2213 transitions. [2019-11-20 10:55:11,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-11-20 10:55:11,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:11,067 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 9 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2019-11-20 10:55:11,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:11,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 1921 states and 2228 transitions. [2019-11-20 10:55:11,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1921 states and 2228 transitions. [2019-11-20 10:55:11,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-11-20 10:55:11,869 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:11,981 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 109 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-20 10:55:12,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:12,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2244 states to 1937 states and 2244 transitions. [2019-11-20 10:55:12,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1937 states and 2244 transitions. [2019-11-20 10:55:12,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-11-20 10:55:12,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:12,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:13,575 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 10:55:16,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:16,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2344 states to 2036 states and 2344 transitions. [2019-11-20 10:55:16,672 INFO L276 IsEmpty]: Start isEmpty. Operand 2036 states and 2344 transitions. [2019-11-20 10:55:16,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-11-20 10:55:16,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:17,071 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:55:17,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:17,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2350 states to 2040 states and 2350 transitions. [2019-11-20 10:55:17,745 INFO L276 IsEmpty]: Start isEmpty. Operand 2040 states and 2350 transitions. [2019-11-20 10:55:17,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-11-20 10:55:17,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:17,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:17,853 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:55:19,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:19,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2423 states to 2114 states and 2423 transitions. [2019-11-20 10:55:19,414 INFO L276 IsEmpty]: Start isEmpty. Operand 2114 states and 2423 transitions. [2019-11-20 10:55:19,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-11-20 10:55:19,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:19,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:19,470 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-11-20 10:55:19,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:19,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2423 states to 2115 states and 2423 transitions. [2019-11-20 10:55:19,663 INFO L276 IsEmpty]: Start isEmpty. Operand 2115 states and 2423 transitions. [2019-11-20 10:55:19,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2019-11-20 10:55:19,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:19,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:19,819 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 116 proven. 5 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 10:55:22,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:22,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2492 states to 2177 states and 2492 transitions. [2019-11-20 10:55:22,013 INFO L276 IsEmpty]: Start isEmpty. Operand 2177 states and 2492 transitions. [2019-11-20 10:55:22,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2019-11-20 10:55:22,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:22,116 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 116 proven. 5 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 10:55:23,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:23,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2506 states to 2192 states and 2506 transitions. [2019-11-20 10:55:23,094 INFO L276 IsEmpty]: Start isEmpty. Operand 2192 states and 2506 transitions. [2019-11-20 10:55:23,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2019-11-20 10:55:23,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:23,217 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 116 proven. 5 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-20 10:55:23,455 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2019-11-20 10:55:23,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:23,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2510 states to 2197 states and 2510 transitions. [2019-11-20 10:55:23,862 INFO L276 IsEmpty]: Start isEmpty. Operand 2197 states and 2510 transitions. [2019-11-20 10:55:23,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-11-20 10:55:23,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:23,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:23,951 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-11-20 10:55:25,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:25,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2540 states to 2223 states and 2540 transitions. [2019-11-20 10:55:25,262 INFO L276 IsEmpty]: Start isEmpty. Operand 2223 states and 2540 transitions. [2019-11-20 10:55:25,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-11-20 10:55:25,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:25,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:25,484 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 225 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 10:55:27,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:27,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2575 states to 2254 states and 2575 transitions. [2019-11-20 10:55:27,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2254 states and 2575 transitions. [2019-11-20 10:55:27,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-11-20 10:55:27,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:27,481 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 225 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 10:55:27,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:27,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2577 states to 2257 states and 2577 transitions. [2019-11-20 10:55:27,956 INFO L276 IsEmpty]: Start isEmpty. Operand 2257 states and 2577 transitions. [2019-11-20 10:55:27,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-11-20 10:55:27,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:27,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:29,389 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:55:35,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:35,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2672 states to 2349 states and 2672 transitions. [2019-11-20 10:55:35,105 INFO L276 IsEmpty]: Start isEmpty. Operand 2349 states and 2672 transitions. [2019-11-20 10:55:35,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2019-11-20 10:55:35,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:35,206 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-11-20 10:55:36,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:36,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2684 states to 2361 states and 2684 transitions. [2019-11-20 10:55:36,044 INFO L276 IsEmpty]: Start isEmpty. Operand 2361 states and 2684 transitions. [2019-11-20 10:55:36,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2019-11-20 10:55:36,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:37,506 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 10:55:44,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:44,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 2410 states and 2737 transitions. [2019-11-20 10:55:44,408 INFO L276 IsEmpty]: Start isEmpty. Operand 2410 states and 2737 transitions. [2019-11-20 10:55:44,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2019-11-20 10:55:44,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:44,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:44,572 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 10:55:47,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:47,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2763 states to 2436 states and 2763 transitions. [2019-11-20 10:55:47,251 INFO L276 IsEmpty]: Start isEmpty. Operand 2436 states and 2763 transitions. [2019-11-20 10:55:47,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-11-20 10:55:47,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:47,418 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 10:55:53,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:53,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2803 states to 2475 states and 2803 transitions. [2019-11-20 10:55:53,555 INFO L276 IsEmpty]: Start isEmpty. Operand 2475 states and 2803 transitions. [2019-11-20 10:55:53,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-11-20 10:55:53,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:53,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:53,766 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 10:55:58,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:55:58,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2850 states to 2523 states and 2850 transitions. [2019-11-20 10:55:58,893 INFO L276 IsEmpty]: Start isEmpty. Operand 2523 states and 2850 transitions. [2019-11-20 10:55:58,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-11-20 10:55:58,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:55:58,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:55:59,095 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 10:56:00,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:00,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2854 states to 2528 states and 2854 transitions. [2019-11-20 10:56:00,087 INFO L276 IsEmpty]: Start isEmpty. Operand 2528 states and 2854 transitions. [2019-11-20 10:56:00,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-11-20 10:56:00,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:00,280 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 10:56:03,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:03,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2878 states to 2552 states and 2878 transitions. [2019-11-20 10:56:03,310 INFO L276 IsEmpty]: Start isEmpty. Operand 2552 states and 2878 transitions. [2019-11-20 10:56:03,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-11-20 10:56:03,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:03,608 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 10:56:04,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:04,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2882 states to 2557 states and 2882 transitions. [2019-11-20 10:56:04,357 INFO L276 IsEmpty]: Start isEmpty. Operand 2557 states and 2882 transitions. [2019-11-20 10:56:04,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2019-11-20 10:56:04,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:04,449 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-11-20 10:56:05,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:05,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2888 states to 2561 states and 2888 transitions. [2019-11-20 10:56:05,018 INFO L276 IsEmpty]: Start isEmpty. Operand 2561 states and 2888 transitions. [2019-11-20 10:56:05,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2019-11-20 10:56:05,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:05,092 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 170 proven. 3 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2019-11-20 10:56:05,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:05,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2909 states to 2581 states and 2909 transitions. [2019-11-20 10:56:05,223 INFO L276 IsEmpty]: Start isEmpty. Operand 2581 states and 2909 transitions. [2019-11-20 10:56:05,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2019-11-20 10:56:05,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:05,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:06,853 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 235 proven. 28 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-11-20 10:56:10,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:10,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2936 states to 2601 states and 2936 transitions. [2019-11-20 10:56:10,903 INFO L276 IsEmpty]: Start isEmpty. Operand 2601 states and 2936 transitions. [2019-11-20 10:56:10,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2019-11-20 10:56:10,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:10,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:11,023 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 195 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-11-20 10:56:13,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:13,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2967 states to 2629 states and 2967 transitions. [2019-11-20 10:56:13,005 INFO L276 IsEmpty]: Start isEmpty. Operand 2629 states and 2967 transitions. [2019-11-20 10:56:13,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2019-11-20 10:56:13,007 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:13,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:13,103 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 195 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-11-20 10:56:14,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:14,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2981 states to 2643 states and 2981 transitions. [2019-11-20 10:56:14,145 INFO L276 IsEmpty]: Start isEmpty. Operand 2643 states and 2981 transitions. [2019-11-20 10:56:14,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2019-11-20 10:56:14,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:14,228 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 195 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-11-20 10:56:14,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:14,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2997 states to 2659 states and 2997 transitions. [2019-11-20 10:56:14,787 INFO L276 IsEmpty]: Start isEmpty. Operand 2659 states and 2997 transitions. [2019-11-20 10:56:14,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2019-11-20 10:56:14,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:14,880 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 180 proven. 15 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-11-20 10:56:16,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:16,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3005 states to 2667 states and 3005 transitions. [2019-11-20 10:56:16,038 INFO L276 IsEmpty]: Start isEmpty. Operand 2667 states and 3005 transitions. [2019-11-20 10:56:16,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-11-20 10:56:16,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:16,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:16,119 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-11-20 10:56:16,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:16,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3005 states to 2668 states and 3005 transitions. [2019-11-20 10:56:16,352 INFO L276 IsEmpty]: Start isEmpty. Operand 2668 states and 3005 transitions. [2019-11-20 10:56:16,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-11-20 10:56:16,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:16,434 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-11-20 10:56:17,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:17,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3035 states to 2696 states and 3035 transitions. [2019-11-20 10:56:17,297 INFO L276 IsEmpty]: Start isEmpty. Operand 2696 states and 3035 transitions. [2019-11-20 10:56:17,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-11-20 10:56:17,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:17,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:17,381 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-11-20 10:56:18,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:18,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3039 states to 2700 states and 3039 transitions. [2019-11-20 10:56:18,157 INFO L276 IsEmpty]: Start isEmpty. Operand 2700 states and 3039 transitions. [2019-11-20 10:56:18,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-11-20 10:56:18,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:18,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:18,269 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-11-20 10:56:18,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:18,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3052 states to 2714 states and 3052 transitions. [2019-11-20 10:56:18,838 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3052 transitions. [2019-11-20 10:56:18,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-11-20 10:56:18,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:18,944 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-11-20 10:56:19,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:19,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3067 states to 2730 states and 3067 transitions. [2019-11-20 10:56:19,519 INFO L276 IsEmpty]: Start isEmpty. Operand 2730 states and 3067 transitions. [2019-11-20 10:56:19,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2019-11-20 10:56:19,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:19,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:19,886 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 249 proven. 42 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-11-20 10:56:20,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:20,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3079 states to 2737 states and 3079 transitions. [2019-11-20 10:56:20,583 INFO L276 IsEmpty]: Start isEmpty. Operand 2737 states and 3079 transitions. [2019-11-20 10:56:20,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2019-11-20 10:56:20,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:20,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:20,640 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 274 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2019-11-20 10:56:21,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:21,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3081 states to 2739 states and 3081 transitions. [2019-11-20 10:56:21,144 INFO L276 IsEmpty]: Start isEmpty. Operand 2739 states and 3081 transitions. [2019-11-20 10:56:21,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2019-11-20 10:56:21,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:21,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:21,223 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2019-11-20 10:56:22,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:22,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3087 states to 2741 states and 3087 transitions. [2019-11-20 10:56:22,186 INFO L276 IsEmpty]: Start isEmpty. Operand 2741 states and 3087 transitions. [2019-11-20 10:56:22,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-11-20 10:56:22,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:22,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:22,370 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 154 proven. 5 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-11-20 10:56:24,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:24,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3101 states to 2755 states and 3101 transitions. [2019-11-20 10:56:24,010 INFO L276 IsEmpty]: Start isEmpty. Operand 2755 states and 3101 transitions. [2019-11-20 10:56:24,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2019-11-20 10:56:24,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:24,093 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2019-11-20 10:56:24,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:24,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3101 states to 2756 states and 3101 transitions. [2019-11-20 10:56:24,394 INFO L276 IsEmpty]: Start isEmpty. Operand 2756 states and 3101 transitions. [2019-11-20 10:56:24,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-11-20 10:56:24,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:24,520 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 160 proven. 10 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2019-11-20 10:56:26,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:26,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3129 states to 2779 states and 3129 transitions. [2019-11-20 10:56:26,556 INFO L276 IsEmpty]: Start isEmpty. Operand 2779 states and 3129 transitions. [2019-11-20 10:56:26,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-11-20 10:56:26,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:26,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:26,689 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 160 proven. 10 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2019-11-20 10:56:27,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:27,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3133 states to 2785 states and 3133 transitions. [2019-11-20 10:56:27,939 INFO L276 IsEmpty]: Start isEmpty. Operand 2785 states and 3133 transitions. [2019-11-20 10:56:27,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-11-20 10:56:27,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:28,236 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 160 proven. 10 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2019-11-20 10:56:28,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:28,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 2792 states and 3140 transitions. [2019-11-20 10:56:28,913 INFO L276 IsEmpty]: Start isEmpty. Operand 2792 states and 3140 transitions. [2019-11-20 10:56:28,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-11-20 10:56:28,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:29,103 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 160 proven. 10 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2019-11-20 10:56:29,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:29,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3146 states to 2799 states and 3146 transitions. [2019-11-20 10:56:29,754 INFO L276 IsEmpty]: Start isEmpty. Operand 2799 states and 3146 transitions. [2019-11-20 10:56:29,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-11-20 10:56:29,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:29,880 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 160 proven. 10 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2019-11-20 10:56:30,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:30,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3155 states to 2808 states and 3155 transitions. [2019-11-20 10:56:30,496 INFO L276 IsEmpty]: Start isEmpty. Operand 2808 states and 3155 transitions. [2019-11-20 10:56:30,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-11-20 10:56:30,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:30,606 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 199 proven. 8 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-11-20 10:56:32,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:32,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3169 states to 2816 states and 3169 transitions. [2019-11-20 10:56:32,160 INFO L276 IsEmpty]: Start isEmpty. Operand 2816 states and 3169 transitions. [2019-11-20 10:56:32,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-11-20 10:56:32,162 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:32,302 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 168 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2019-11-20 10:56:33,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:33,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3177 states to 2821 states and 3177 transitions. [2019-11-20 10:56:33,303 INFO L276 IsEmpty]: Start isEmpty. Operand 2821 states and 3177 transitions. [2019-11-20 10:56:33,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2019-11-20 10:56:33,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:34,221 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 10:56:35,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:35,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3257 states to 2899 states and 3257 transitions. [2019-11-20 10:56:35,791 INFO L276 IsEmpty]: Start isEmpty. Operand 2899 states and 3257 transitions. [2019-11-20 10:56:35,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2019-11-20 10:56:35,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:35,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:36,337 INFO L134 CoverageAnalysis]: Checked inductivity of 574 backedges. 391 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2019-11-20 10:56:38,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:38,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3265 states to 2906 states and 3265 transitions. [2019-11-20 10:56:38,183 INFO L276 IsEmpty]: Start isEmpty. Operand 2906 states and 3265 transitions. [2019-11-20 10:56:38,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2019-11-20 10:56:38,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:39,659 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 430 proven. 63 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-11-20 10:56:43,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:43,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3319 states to 2951 states and 3319 transitions. [2019-11-20 10:56:43,667 INFO L276 IsEmpty]: Start isEmpty. Operand 2951 states and 3319 transitions. [2019-11-20 10:56:43,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2019-11-20 10:56:43,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:45,769 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 423 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2019-11-20 10:56:47,378 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2019-11-20 10:56:52,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:52,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3363 states to 2992 states and 3363 transitions. [2019-11-20 10:56:52,387 INFO L276 IsEmpty]: Start isEmpty. Operand 2992 states and 3363 transitions. [2019-11-20 10:56:52,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2019-11-20 10:56:52,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:52,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:52,707 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 423 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2019-11-20 10:56:54,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:54,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3372 states to 3002 states and 3372 transitions. [2019-11-20 10:56:54,488 INFO L276 IsEmpty]: Start isEmpty. Operand 3002 states and 3372 transitions. [2019-11-20 10:56:54,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2019-11-20 10:56:54,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:54,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:54,594 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2019-11-20 10:56:55,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:55,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3403 states to 3029 states and 3403 transitions. [2019-11-20 10:56:55,877 INFO L276 IsEmpty]: Start isEmpty. Operand 3029 states and 3403 transitions. [2019-11-20 10:56:55,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2019-11-20 10:56:55,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:55,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:55,982 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 479 proven. 4 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2019-11-20 10:56:56,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:56,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3427 states to 3053 states and 3427 transitions. [2019-11-20 10:56:56,325 INFO L276 IsEmpty]: Start isEmpty. Operand 3053 states and 3427 transitions. [2019-11-20 10:56:56,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2019-11-20 10:56:56,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:56,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:56,680 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 27 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2019-11-20 10:56:58,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:56:58,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3446 states to 3071 states and 3446 transitions. [2019-11-20 10:56:58,035 INFO L276 IsEmpty]: Start isEmpty. Operand 3071 states and 3446 transitions. [2019-11-20 10:56:58,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2019-11-20 10:56:58,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:56:58,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:56:58,234 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 27 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2019-11-20 10:57:02,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:02,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3528 states to 3143 states and 3528 transitions. [2019-11-20 10:57:02,951 INFO L276 IsEmpty]: Start isEmpty. Operand 3143 states and 3528 transitions. [2019-11-20 10:57:02,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2019-11-20 10:57:02,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:02,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:03,127 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 27 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2019-11-20 10:57:03,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:03,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3530 states to 3146 states and 3530 transitions. [2019-11-20 10:57:03,817 INFO L276 IsEmpty]: Start isEmpty. Operand 3146 states and 3530 transitions. [2019-11-20 10:57:03,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2019-11-20 10:57:03,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:03,963 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 27 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2019-11-20 10:57:05,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:05,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3547 states to 3163 states and 3547 transitions. [2019-11-20 10:57:05,359 INFO L276 IsEmpty]: Start isEmpty. Operand 3163 states and 3547 transitions. [2019-11-20 10:57:05,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2019-11-20 10:57:05,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:05,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:05,522 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 27 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2019-11-20 10:57:05,797 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 13 [2019-11-20 10:57:06,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:06,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3564 states to 3179 states and 3564 transitions. [2019-11-20 10:57:06,500 INFO L276 IsEmpty]: Start isEmpty. Operand 3179 states and 3564 transitions. [2019-11-20 10:57:06,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2019-11-20 10:57:06,502 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:06,699 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 27 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2019-11-20 10:57:07,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:07,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3580 states to 3195 states and 3580 transitions. [2019-11-20 10:57:07,540 INFO L276 IsEmpty]: Start isEmpty. Operand 3195 states and 3580 transitions. [2019-11-20 10:57:07,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2019-11-20 10:57:07,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:07,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:07,643 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 390 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2019-11-20 10:57:08,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:08,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3600 states to 3215 states and 3600 transitions. [2019-11-20 10:57:08,572 INFO L276 IsEmpty]: Start isEmpty. Operand 3215 states and 3600 transitions. [2019-11-20 10:57:08,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2019-11-20 10:57:08,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:08,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:08,718 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 506 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2019-11-20 10:57:09,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:09,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3602 states to 3216 states and 3602 transitions. [2019-11-20 10:57:09,245 INFO L276 IsEmpty]: Start isEmpty. Operand 3216 states and 3602 transitions. [2019-11-20 10:57:09,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2019-11-20 10:57:09,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:09,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:09,493 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 396 proven. 15 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2019-11-20 10:57:11,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:11,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3637 states to 3246 states and 3637 transitions. [2019-11-20 10:57:11,566 INFO L276 IsEmpty]: Start isEmpty. Operand 3246 states and 3637 transitions. [2019-11-20 10:57:11,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2019-11-20 10:57:11,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:11,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:11,756 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 409 proven. 15 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2019-11-20 10:57:11,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:11,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3642 states to 3250 states and 3642 transitions. [2019-11-20 10:57:11,892 INFO L276 IsEmpty]: Start isEmpty. Operand 3250 states and 3642 transitions. [2019-11-20 10:57:11,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2019-11-20 10:57:11,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:11,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:12,482 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 626 proven. 4 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2019-11-20 10:57:14,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:14,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3647 states to 3254 states and 3647 transitions. [2019-11-20 10:57:14,119 INFO L276 IsEmpty]: Start isEmpty. Operand 3254 states and 3647 transitions. [2019-11-20 10:57:14,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2019-11-20 10:57:14,121 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:14,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:15,484 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 558 proven. 4 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2019-11-20 10:57:17,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:17,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3662 states to 3264 states and 3662 transitions. [2019-11-20 10:57:17,838 INFO L276 IsEmpty]: Start isEmpty. Operand 3264 states and 3662 transitions. [2019-11-20 10:57:17,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2019-11-20 10:57:17,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:17,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:18,038 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 420 proven. 6 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2019-11-20 10:57:18,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:18,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3680 states to 3283 states and 3680 transitions. [2019-11-20 10:57:18,210 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 3680 transitions. [2019-11-20 10:57:18,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2019-11-20 10:57:18,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:18,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:18,373 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 420 proven. 6 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2019-11-20 10:57:18,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:18,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3680 states to 3284 states and 3680 transitions. [2019-11-20 10:57:18,918 INFO L276 IsEmpty]: Start isEmpty. Operand 3284 states and 3680 transitions. [2019-11-20 10:57:18,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2019-11-20 10:57:18,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:19,114 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2019-11-20 10:57:22,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:22,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3713 states to 3310 states and 3713 transitions. [2019-11-20 10:57:22,465 INFO L276 IsEmpty]: Start isEmpty. Operand 3310 states and 3713 transitions. [2019-11-20 10:57:22,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2019-11-20 10:57:22,467 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:22,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:22,938 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2019-11-20 10:57:31,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:31,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3776 states to 3365 states and 3776 transitions. [2019-11-20 10:57:31,144 INFO L276 IsEmpty]: Start isEmpty. Operand 3365 states and 3776 transitions. [2019-11-20 10:57:31,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2019-11-20 10:57:31,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:31,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:31,310 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2019-11-20 10:57:35,925 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-11-20 10:57:37,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:37,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3830 states to 3411 states and 3830 transitions. [2019-11-20 10:57:37,285 INFO L276 IsEmpty]: Start isEmpty. Operand 3411 states and 3830 transitions. [2019-11-20 10:57:37,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2019-11-20 10:57:37,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:37,450 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2019-11-20 10:57:45,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:45,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3868 states to 3444 states and 3868 transitions. [2019-11-20 10:57:45,296 INFO L276 IsEmpty]: Start isEmpty. Operand 3444 states and 3868 transitions. [2019-11-20 10:57:45,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2019-11-20 10:57:45,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:45,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:45,462 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2019-11-20 10:57:46,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:46,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3885 states to 3460 states and 3885 transitions. [2019-11-20 10:57:46,263 INFO L276 IsEmpty]: Start isEmpty. Operand 3460 states and 3885 transitions. [2019-11-20 10:57:46,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2019-11-20 10:57:46,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:46,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:46,431 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2019-11-20 10:57:49,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:49,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3914 states to 3486 states and 3914 transitions. [2019-11-20 10:57:49,930 INFO L276 IsEmpty]: Start isEmpty. Operand 3486 states and 3914 transitions. [2019-11-20 10:57:49,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2019-11-20 10:57:49,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:50,097 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2019-11-20 10:57:50,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:50,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3939 states to 3507 states and 3939 transitions. [2019-11-20 10:57:50,967 INFO L276 IsEmpty]: Start isEmpty. Operand 3507 states and 3939 transitions. [2019-11-20 10:57:50,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2019-11-20 10:57:50,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:50,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:51,134 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2019-11-20 10:57:53,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:53,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3955 states to 3521 states and 3955 transitions. [2019-11-20 10:57:53,528 INFO L276 IsEmpty]: Start isEmpty. Operand 3521 states and 3955 transitions. [2019-11-20 10:57:53,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2019-11-20 10:57:53,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:53,699 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2019-11-20 10:57:54,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:54,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3977 states to 3542 states and 3977 transitions. [2019-11-20 10:57:54,875 INFO L276 IsEmpty]: Start isEmpty. Operand 3542 states and 3977 transitions. [2019-11-20 10:57:54,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2019-11-20 10:57:54,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:54,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:55,041 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 713 trivial. 0 not checked. [2019-11-20 10:57:59,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:57:59,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3999 states to 3559 states and 3999 transitions. [2019-11-20 10:57:59,503 INFO L276 IsEmpty]: Start isEmpty. Operand 3559 states and 3999 transitions. [2019-11-20 10:57:59,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2019-11-20 10:57:59,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:57:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:57:59,637 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 565 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2019-11-20 10:58:04,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:58:04,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4068 states to 3613 states and 4068 transitions. [2019-11-20 10:58:04,888 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 4068 transitions. [2019-11-20 10:58:04,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2019-11-20 10:58:04,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:58:04,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:05,022 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 565 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2019-11-20 10:58:07,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:58:07,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4101 states to 3640 states and 4101 transitions. [2019-11-20 10:58:07,889 INFO L276 IsEmpty]: Start isEmpty. Operand 3640 states and 4101 transitions. [2019-11-20 10:58:07,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2019-11-20 10:58:07,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:58:07,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:08,024 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 565 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2019-11-20 10:58:08,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:58:08,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4110 states to 3648 states and 4110 transitions. [2019-11-20 10:58:08,746 INFO L276 IsEmpty]: Start isEmpty. Operand 3648 states and 4110 transitions. [2019-11-20 10:58:08,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2019-11-20 10:58:08,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:58:08,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:08,879 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 565 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2019-11-20 10:58:09,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:58:09,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4114 states to 3653 states and 4114 transitions. [2019-11-20 10:58:09,577 INFO L276 IsEmpty]: Start isEmpty. Operand 3653 states and 4114 transitions. [2019-11-20 10:58:09,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2019-11-20 10:58:09,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:58:09,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:09,710 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 565 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2019-11-20 10:58:11,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:58:11,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4132 states to 3673 states and 4132 transitions. [2019-11-20 10:58:11,154 INFO L276 IsEmpty]: Start isEmpty. Operand 3673 states and 4132 transitions. [2019-11-20 10:58:11,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2019-11-20 10:58:11,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:58:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:11,984 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 594 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2019-11-20 10:58:13,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:58:13,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4155 states to 3693 states and 4155 transitions. [2019-11-20 10:58:13,557 INFO L276 IsEmpty]: Start isEmpty. Operand 3693 states and 4155 transitions. [2019-11-20 10:58:13,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2019-11-20 10:58:13,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:58:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:13,836 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 594 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2019-11-20 10:58:15,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:58:15,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4179 states to 3716 states and 4179 transitions. [2019-11-20 10:58:15,529 INFO L276 IsEmpty]: Start isEmpty. Operand 3716 states and 4179 transitions. [2019-11-20 10:58:15,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2019-11-20 10:58:15,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:58:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:15,805 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 594 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2019-11-20 10:58:16,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:58:16,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4183 states to 3721 states and 4183 transitions. [2019-11-20 10:58:16,671 INFO L276 IsEmpty]: Start isEmpty. Operand 3721 states and 4183 transitions. [2019-11-20 10:58:16,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2019-11-20 10:58:16,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:58:16,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:17,220 INFO L134 CoverageAnalysis]: Checked inductivity of 797 backedges. 559 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2019-11-20 10:58:19,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:58:19,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4198 states to 3733 states and 4198 transitions. [2019-11-20 10:58:19,342 INFO L276 IsEmpty]: Start isEmpty. Operand 3733 states and 4198 transitions. [2019-11-20 10:58:19,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2019-11-20 10:58:19,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:58:19,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:20,284 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 526 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2019-11-20 10:58:26,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:58:26,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4278 states to 3811 states and 4278 transitions. [2019-11-20 10:58:26,321 INFO L276 IsEmpty]: Start isEmpty. Operand 3811 states and 4278 transitions. [2019-11-20 10:58:26,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2019-11-20 10:58:26,323 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:58:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:26,486 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 552 proven. 8 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2019-11-20 10:58:28,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:58:28,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4304 states to 3835 states and 4304 transitions. [2019-11-20 10:58:28,301 INFO L276 IsEmpty]: Start isEmpty. Operand 3835 states and 4304 transitions. [2019-11-20 10:58:28,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2019-11-20 10:58:28,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:58:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:28,466 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 552 proven. 8 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2019-11-20 10:58:29,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:58:29,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4320 states to 3851 states and 4320 transitions. [2019-11-20 10:58:29,228 INFO L276 IsEmpty]: Start isEmpty. Operand 3851 states and 4320 transitions. [2019-11-20 10:58:29,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2019-11-20 10:58:29,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:58:29,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:29,392 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 552 proven. 8 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2019-11-20 10:58:30,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:58:30,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4334 states to 3865 states and 4334 transitions. [2019-11-20 10:58:30,153 INFO L276 IsEmpty]: Start isEmpty. Operand 3865 states and 4334 transitions. [2019-11-20 10:58:30,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2019-11-20 10:58:30,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:58:30,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:30,340 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 688 trivial. 0 not checked. [2019-11-20 10:58:30,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:58:30,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4334 states to 3866 states and 4334 transitions. [2019-11-20 10:58:30,880 INFO L276 IsEmpty]: Start isEmpty. Operand 3866 states and 4334 transitions. [2019-11-20 10:58:30,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2019-11-20 10:58:30,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:58:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:31,284 INFO L134 CoverageAnalysis]: Checked inductivity of 844 backedges. 577 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2019-11-20 10:58:33,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:58:33,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4351 states to 3884 states and 4351 transitions. [2019-11-20 10:58:33,985 INFO L276 IsEmpty]: Start isEmpty. Operand 3884 states and 4351 transitions. [2019-11-20 10:58:33,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2019-11-20 10:58:33,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:58:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:34,160 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 639 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2019-11-20 10:58:34,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:58:34,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4352 states to 3886 states and 4352 transitions. [2019-11-20 10:58:34,530 INFO L276 IsEmpty]: Start isEmpty. Operand 3886 states and 4352 transitions. [2019-11-20 10:58:34,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2019-11-20 10:58:34,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:58:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:34,862 INFO L134 CoverageAnalysis]: Checked inductivity of 954 backedges. 718 proven. 4 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2019-11-20 10:58:37,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:58:37,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4414 states to 3944 states and 4414 transitions. [2019-11-20 10:58:37,144 INFO L276 IsEmpty]: Start isEmpty. Operand 3944 states and 4414 transitions. [2019-11-20 10:58:37,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2019-11-20 10:58:37,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:58:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:37,468 INFO L134 CoverageAnalysis]: Checked inductivity of 954 backedges. 718 proven. 4 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2019-11-20 10:58:38,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:58:38,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4418 states to 3947 states and 4418 transitions. [2019-11-20 10:58:38,264 INFO L276 IsEmpty]: Start isEmpty. Operand 3947 states and 4418 transitions. [2019-11-20 10:58:38,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2019-11-20 10:58:38,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:58:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:38,586 INFO L134 CoverageAnalysis]: Checked inductivity of 954 backedges. 718 proven. 4 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2019-11-20 10:58:39,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:58:39,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4419 states to 3949 states and 4419 transitions. [2019-11-20 10:58:39,079 INFO L276 IsEmpty]: Start isEmpty. Operand 3949 states and 4419 transitions. [2019-11-20 10:58:39,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2019-11-20 10:58:39,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:58:39,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:39,285 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2019-11-20 10:58:42,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:58:42,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4451 states to 3976 states and 4451 transitions. [2019-11-20 10:58:42,791 INFO L276 IsEmpty]: Start isEmpty. Operand 3976 states and 4451 transitions. [2019-11-20 10:58:42,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2019-11-20 10:58:42,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:58:42,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:42,995 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2019-11-20 10:58:45,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:58:45,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4476 states to 3999 states and 4476 transitions. [2019-11-20 10:58:45,505 INFO L276 IsEmpty]: Start isEmpty. Operand 3999 states and 4476 transitions. [2019-11-20 10:58:45,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2019-11-20 10:58:45,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:58:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:45,709 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2019-11-20 10:58:46,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:58:46,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4481 states to 4004 states and 4481 transitions. [2019-11-20 10:58:46,597 INFO L276 IsEmpty]: Start isEmpty. Operand 4004 states and 4481 transitions. [2019-11-20 10:58:46,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2019-11-20 10:58:46,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:58:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:46,888 INFO L134 CoverageAnalysis]: Checked inductivity of 934 backedges. 130 proven. 36 refuted. 0 times theorem prover too weak. 768 trivial. 0 not checked. [2019-11-20 10:58:52,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:58:52,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4537 states to 4052 states and 4537 transitions. [2019-11-20 10:58:52,250 INFO L276 IsEmpty]: Start isEmpty. Operand 4052 states and 4537 transitions. [2019-11-20 10:58:52,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2019-11-20 10:58:52,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:58:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:52,458 INFO L134 CoverageAnalysis]: Checked inductivity of 934 backedges. 130 proven. 36 refuted. 0 times theorem prover too weak. 768 trivial. 0 not checked. [2019-11-20 10:58:53,662 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 18 [2019-11-20 10:58:56,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:58:56,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4553 states to 4069 states and 4553 transitions. [2019-11-20 10:58:56,142 INFO L276 IsEmpty]: Start isEmpty. Operand 4069 states and 4553 transitions. [2019-11-20 10:58:56,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2019-11-20 10:58:56,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:58:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:56,350 INFO L134 CoverageAnalysis]: Checked inductivity of 934 backedges. 130 proven. 36 refuted. 0 times theorem prover too weak. 768 trivial. 0 not checked. [2019-11-20 10:58:59,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:58:59,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4585 states to 4097 states and 4585 transitions. [2019-11-20 10:58:59,726 INFO L276 IsEmpty]: Start isEmpty. Operand 4097 states and 4585 transitions. [2019-11-20 10:58:59,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2019-11-20 10:58:59,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:58:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:59,932 INFO L134 CoverageAnalysis]: Checked inductivity of 934 backedges. 130 proven. 36 refuted. 0 times theorem prover too weak. 768 trivial. 0 not checked. [2019-11-20 10:59:01,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:59:01,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4609 states to 4120 states and 4609 transitions. [2019-11-20 10:59:01,683 INFO L276 IsEmpty]: Start isEmpty. Operand 4120 states and 4609 transitions. [2019-11-20 10:59:01,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2019-11-20 10:59:01,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:59:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:59:01,890 INFO L134 CoverageAnalysis]: Checked inductivity of 934 backedges. 130 proven. 36 refuted. 0 times theorem prover too weak. 768 trivial. 0 not checked. [2019-11-20 10:59:05,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:59:05,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4626 states to 4137 states and 4626 transitions. [2019-11-20 10:59:05,518 INFO L276 IsEmpty]: Start isEmpty. Operand 4137 states and 4626 transitions. [2019-11-20 10:59:05,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2019-11-20 10:59:05,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:59:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:59:06,033 INFO L134 CoverageAnalysis]: Checked inductivity of 934 backedges. 130 proven. 36 refuted. 0 times theorem prover too weak. 768 trivial. 0 not checked. [2019-11-20 10:59:09,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:59:09,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4637 states to 4149 states and 4637 transitions. [2019-11-20 10:59:09,106 INFO L276 IsEmpty]: Start isEmpty. Operand 4149 states and 4637 transitions. [2019-11-20 10:59:09,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2019-11-20 10:59:09,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:59:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:59:09,318 INFO L134 CoverageAnalysis]: Checked inductivity of 934 backedges. 130 proven. 36 refuted. 0 times theorem prover too weak. 768 trivial. 0 not checked. [2019-11-20 10:59:10,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:59:10,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4645 states to 4156 states and 4645 transitions. [2019-11-20 10:59:10,359 INFO L276 IsEmpty]: Start isEmpty. Operand 4156 states and 4645 transitions. [2019-11-20 10:59:10,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2019-11-20 10:59:10,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:59:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:59:10,565 INFO L134 CoverageAnalysis]: Checked inductivity of 934 backedges. 130 proven. 36 refuted. 0 times theorem prover too weak. 768 trivial. 0 not checked. [2019-11-20 10:59:11,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:59:11,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4652 states to 4163 states and 4652 transitions. [2019-11-20 10:59:11,580 INFO L276 IsEmpty]: Start isEmpty. Operand 4163 states and 4652 transitions. [2019-11-20 10:59:11,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2019-11-20 10:59:11,583 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:59:11,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:59:11,798 INFO L134 CoverageAnalysis]: Checked inductivity of 934 backedges. 130 proven. 36 refuted. 0 times theorem prover too weak. 768 trivial. 0 not checked. [2019-11-20 10:59:12,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:59:12,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4668 states to 4179 states and 4668 transitions. [2019-11-20 10:59:12,998 INFO L276 IsEmpty]: Start isEmpty. Operand 4179 states and 4668 transitions. [2019-11-20 10:59:13,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2019-11-20 10:59:13,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:59:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:59:13,198 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 683 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2019-11-20 10:59:14,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:59:14,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4683 states to 4195 states and 4683 transitions. [2019-11-20 10:59:14,196 INFO L276 IsEmpty]: Start isEmpty. Operand 4195 states and 4683 transitions. [2019-11-20 10:59:14,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2019-11-20 10:59:14,200 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:59:14,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:59:14,411 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 683 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2019-11-20 10:59:15,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:59:15,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4696 states to 4209 states and 4696 transitions. [2019-11-20 10:59:15,790 INFO L276 IsEmpty]: Start isEmpty. Operand 4209 states and 4696 transitions. [2019-11-20 10:59:15,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2019-11-20 10:59:15,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:59:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:59:16,008 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 683 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2019-11-20 10:59:16,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:59:16,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4712 states to 4225 states and 4712 transitions. [2019-11-20 10:59:16,634 INFO L276 IsEmpty]: Start isEmpty. Operand 4225 states and 4712 transitions. [2019-11-20 10:59:16,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2019-11-20 10:59:16,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:59:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:59:16,843 INFO L134 CoverageAnalysis]: Checked inductivity of 984 backedges. 683 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2019-11-20 10:59:18,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:59:18,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4721 states to 4234 states and 4721 transitions. [2019-11-20 10:59:18,719 INFO L276 IsEmpty]: Start isEmpty. Operand 4234 states and 4721 transitions. [2019-11-20 10:59:18,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2019-11-20 10:59:18,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:59:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:59:19,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 751 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2019-11-20 10:59:22,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:59:22,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4784 states to 4295 states and 4784 transitions. [2019-11-20 10:59:22,983 INFO L276 IsEmpty]: Start isEmpty. Operand 4295 states and 4784 transitions. [2019-11-20 10:59:22,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2019-11-20 10:59:22,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:59:23,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:59:23,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 751 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2019-11-20 10:59:23,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:59:23,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4800 states to 4312 states and 4800 transitions. [2019-11-20 10:59:23,447 INFO L276 IsEmpty]: Start isEmpty. Operand 4312 states and 4800 transitions. [2019-11-20 10:59:23,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2019-11-20 10:59:23,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:59:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:59:23,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 729 proven. 4 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2019-11-20 10:59:27,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:59:27,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4817 states to 4327 states and 4817 transitions. [2019-11-20 10:59:27,584 INFO L276 IsEmpty]: Start isEmpty. Operand 4327 states and 4817 transitions. [2019-11-20 10:59:27,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2019-11-20 10:59:27,587 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:59:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:59:27,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 729 proven. 4 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2019-11-20 10:59:28,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:59:28,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4823 states to 4334 states and 4823 transitions. [2019-11-20 10:59:28,336 INFO L276 IsEmpty]: Start isEmpty. Operand 4334 states and 4823 transitions. [2019-11-20 10:59:28,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2019-11-20 10:59:28,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:59:28,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:59:30,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 149 proven. 604 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2019-11-20 10:59:47,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:59:47,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4985 states to 4474 states and 4985 transitions. [2019-11-20 10:59:47,301 INFO L276 IsEmpty]: Start isEmpty. Operand 4474 states and 4985 transitions. [2019-11-20 10:59:47,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2019-11-20 10:59:47,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:59:47,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:59:47,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1032 backedges. 149 proven. 604 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2019-11-20 10:59:55,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:59:55,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4934 states to 4423 states and 4934 transitions. [2019-11-20 10:59:55,673 INFO L276 IsEmpty]: Start isEmpty. Operand 4423 states and 4934 transitions. [2019-11-20 10:59:55,675 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 10:59:55,675 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 206 iterations. [2019-11-20 10:59:55,682 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 10:59:56,016 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 44 [2019-11-20 10:59:56,231 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 24 [2019-11-20 10:59:56,922 WARN L191 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 47 [2019-11-20 10:59:57,029 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 24 [2019-11-20 10:59:57,342 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 24 [2019-11-20 10:59:57,658 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 24 [2019-11-20 10:59:57,874 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 24 [2019-11-20 10:59:58,072 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 24 [2019-11-20 10:59:58,174 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 24 [2019-11-20 10:59:58,380 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-11-20 10:59:58,847 WARN L191 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 46 [2019-11-20 10:59:59,368 WARN L191 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 46 [2019-11-20 10:59:59,470 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 24 [2019-11-20 10:59:59,674 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2019-11-20 10:59:59,777 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 24 [2019-11-20 10:59:59,985 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2019-11-20 11:00:00,206 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 24 [2019-11-20 11:00:00,421 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 24 [2019-11-20 11:00:00,656 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 24 [2019-11-20 11:00:00,984 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 24 [2019-11-20 11:00:01,278 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 24 [2019-11-20 11:00:01,575 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 24 [2019-11-20 11:00:01,814 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 24 [2019-11-20 11:00:02,042 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 24 [2019-11-20 11:00:02,570 WARN L191 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 46 [2019-11-20 11:00:02,762 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-11-20 11:00:02,973 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-11-20 11:00:03,196 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 24 [2019-11-20 11:00:03,678 WARN L191 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 58 [2019-11-20 11:00:03,926 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 24 [2019-11-20 11:00:04,247 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 24 [2019-11-20 11:00:04,489 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 24 [2019-11-20 11:00:04,811 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 24 [2019-11-20 11:00:05,011 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 24 [2019-11-20 11:00:05,326 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 24 [2019-11-20 11:00:05,544 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 24 [2019-11-20 11:00:05,878 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 24 [2019-11-20 11:00:06,079 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 24 [2019-11-20 11:00:06,308 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 24 [2019-11-20 11:00:06,640 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 24 [2019-11-20 11:00:06,860 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 24 [2019-11-20 11:00:07,418 WARN L191 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2019-11-20 11:00:07,731 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 49 [2019-11-20 11:00:08,119 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 24 [2019-11-20 11:00:08,342 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 24 [2019-11-20 11:00:08,559 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 24 [2019-11-20 11:00:08,918 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 24 [2019-11-20 11:00:09,191 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 24 [2019-11-20 11:00:09,388 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 24 [2019-11-20 11:00:09,771 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 24 [2019-11-20 11:00:09,978 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-11-20 11:00:10,197 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 24 [2019-11-20 11:00:10,300 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 24 [2019-11-20 11:00:10,407 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 24 [2019-11-20 11:00:10,602 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 24 [2019-11-20 11:00:10,911 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 24 [2019-11-20 11:00:11,245 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 24 [2019-11-20 11:00:11,349 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 24 [2019-11-20 11:00:11,805 WARN L191 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 46 [2019-11-20 11:00:11,994 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 24 [2019-11-20 11:00:12,227 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 24 [2019-11-20 11:00:12,467 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 24 [2019-11-20 11:00:12,771 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 24 [2019-11-20 11:00:13,090 WARN L191 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 44 [2019-11-20 11:00:13,265 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 24 [2019-11-20 11:00:13,504 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 24 [2019-11-20 11:00:13,698 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 24 [2019-11-20 11:00:13,921 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 24 [2019-11-20 11:00:14,238 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 24 [2019-11-20 11:00:14,571 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 24 [2019-11-20 11:00:14,830 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 24 [2019-11-20 11:00:15,145 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 50 [2019-11-20 11:00:15,392 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 24 [2019-11-20 11:00:15,570 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 24 [2019-11-20 11:00:15,766 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 24 [2019-11-20 11:00:15,766 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 11:00:15,770 INFO L569 CodeCheckObserver]: Invariant with dag size 24 [2019-11-20 11:00:15,777 INFO L569 CodeCheckObserver]: Invariant with dag size 24 [2019-11-20 11:00:15,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 11:00:15 ImpRootNode [2019-11-20 11:00:15,779 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 11:00:15,779 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 11:00:15,779 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 11:00:15,779 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 11:00:15,780 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:53:33" (3/4) ... [2019-11-20 11:00:15,783 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 11:00:15,804 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2019-11-20 11:00:15,806 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2019-11-20 11:00:15,807 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-11-20 11:00:15,809 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 11:00:15,931 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1d8b9764-c02a-4496-a0dd-cdf2f3d92c09/bin/ukojak/witness.graphml [2019-11-20 11:00:15,931 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 11:00:15,933 INFO L168 Benchmark]: Toolchain (without parser) took 405431.07 ms. Allocated memory was 1.0 GB in the beginning and 4.6 GB in the end (delta: 3.6 GB). Free memory was 944.8 MB in the beginning and 1.6 GB in the end (delta: -637.4 MB). Peak memory consumption was 3.0 GB. Max. memory is 11.5 GB. [2019-11-20 11:00:15,933 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 11:00:15,933 INFO L168 Benchmark]: CACSL2BoogieTranslator took 705.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.2 MB). Free memory was 944.8 MB in the beginning and 1.2 GB in the end (delta: -207.7 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-20 11:00:15,934 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-20 11:00:15,934 INFO L168 Benchmark]: Boogie Preprocessor took 66.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-20 11:00:15,935 INFO L168 Benchmark]: RCFGBuilder took 2267.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 909.3 MB in the end (delta: 229.9 MB). Peak memory consumption was 229.9 MB. Max. memory is 11.5 GB. [2019-11-20 11:00:15,935 INFO L168 Benchmark]: CodeCheck took 402140.76 ms. Allocated memory was 1.2 GB in the beginning and 4.6 GB in the end (delta: 3.4 GB). Free memory was 909.3 MB in the beginning and 1.6 GB in the end (delta: -695.8 MB). Peak memory consumption was 3.7 GB. Max. memory is 11.5 GB. [2019-11-20 11:00:15,935 INFO L168 Benchmark]: Witness Printer took 152.46 ms. Allocated memory is still 4.6 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-20 11:00:15,937 INFO L335 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, 85 locations, 1 error locations. Result: SAFE, OverallTime: 381.9s, OverallIterations: 206, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 100663432 SDtfs, 672502618 SDslu, 1644168176 SDs, 0 SdLazy, -1329531774 SolverSat, 1006634248 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1852.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 327480 GetRequests, 317291 SyntacticMatches, 8189 SemanticMatches, 2000 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2824224 ImplicationChecksByTransitivity, 324.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 1.1s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 28.4s InterpolantComputationTime, 50286 NumberOfCodeBlocks, 50286 NumberOfCodeBlocksAsserted, 205 NumberOfCheckSat, 50081 ConstructedInterpolants, 0 QuantifiedInterpolants, 59674162 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 205 InterpolantComputations, 119 PerfectInterpolantSequences, 71989/74353 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 571]: 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: ((a17 == 8 || ((!(a17 == 7) && a21 == 1) || !(a25 == 1)) || 1 == a11) || !(a19 == 1)) || !(a28 == 9) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((a17 == 8 || ((!(a17 == 7) && a21 == 1) || !(a25 == 1)) || 1 == a11) || !(a19 == 1)) || !(a28 == 9) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 705.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.2 MB). Free memory was 944.8 MB in the beginning and 1.2 GB in the end (delta: -207.7 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 94.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2267.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 909.3 MB in the end (delta: 229.9 MB). Peak memory consumption was 229.9 MB. Max. memory is 11.5 GB. * CodeCheck took 402140.76 ms. Allocated memory was 1.2 GB in the beginning and 4.6 GB in the end (delta: 3.4 GB). Free memory was 909.3 MB in the beginning and 1.6 GB in the end (delta: -695.8 MB). Peak memory consumption was 3.7 GB. Max. memory is 11.5 GB. * Witness Printer took 152.46 ms. Allocated memory is still 4.6 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...