./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--ata--sata_sx4.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_97899bf6-12b2-4063-9878-2a19be3e471a/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_97899bf6-12b2-4063-9878-2a19be3e471a/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_97899bf6-12b2-4063-9878-2a19be3e471a/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_97899bf6-12b2-4063-9878-2a19be3e471a/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--ata--sata_sx4.ko-entry_point.cil.out.i -s /tmp/vcloud-vcloud-master/worker/run_dir_97899bf6-12b2-4063-9878-2a19be3e471a/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_97899bf6-12b2-4063-9878-2a19be3e471a/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 64bit --witnessprinter.graph.data.programhash da2f10a247c1985df8d69f59dc236dd560c4fc08 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 01:52:15,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 01:52:15,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 01:52:15,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 01:52:15,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 01:52:15,256 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 01:52:15,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 01:52:15,268 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 01:52:15,273 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 01:52:15,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 01:52:15,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 01:52:15,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 01:52:15,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 01:52:15,283 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 01:52:15,284 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 01:52:15,285 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 01:52:15,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 01:52:15,288 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 01:52:15,291 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 01:52:15,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 01:52:15,300 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 01:52:15,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 01:52:15,305 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 01:52:15,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 01:52:15,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 01:52:15,309 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 01:52:15,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 01:52:15,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 01:52:15,312 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 01:52:15,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 01:52:15,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 01:52:15,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 01:52:15,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 01:52:15,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 01:52:15,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 01:52:15,317 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 01:52:15,317 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 01:52:15,318 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 01:52:15,318 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 01:52:15,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 01:52:15,320 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 01:52:15,321 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_97899bf6-12b2-4063-9878-2a19be3e471a/bin/ukojak/config/svcomp-Reach-64bit-Kojak_Default.epf [2019-11-20 01:52:15,350 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 01:52:15,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 01:52:15,365 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 01:52:15,365 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 01:52:15,366 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 01:52:15,366 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 01:52:15,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 01:52:15,367 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 01:52:15,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 01:52:15,367 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 01:52:15,367 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 01:52:15,368 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 01:52:15,368 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 01:52:15,368 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 01:52:15,368 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 01:52:15,369 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 01:52:15,369 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 01:52:15,369 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 01:52:15,369 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 01:52:15,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 01:52:15,370 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 01:52:15,370 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 01:52:15,370 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 01:52:15,371 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 01:52:15,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 01:52:15,371 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 01:52:15,371 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 01:52:15,372 INFO L138 SettingsManager]: * To the following directory=dump/ 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_97899bf6-12b2-4063-9878-2a19be3e471a/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da2f10a247c1985df8d69f59dc236dd560c4fc08 [2019-11-20 01:52:15,577 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 01:52:15,597 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 01:52:15,600 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 01:52:15,602 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 01:52:15,602 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 01:52:15,603 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_97899bf6-12b2-4063-9878-2a19be3e471a/bin/ukojak/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--ata--sata_sx4.ko-entry_point.cil.out.i [2019-11-20 01:52:15,673 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_97899bf6-12b2-4063-9878-2a19be3e471a/bin/ukojak/data/fd7000ef9/00882a09fe5d4d06ae62dedda82cdcc8/FLAGc97490ca5 [2019-11-20 01:52:16,565 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 01:52:16,566 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_97899bf6-12b2-4063-9878-2a19be3e471a/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--ata--sata_sx4.ko-entry_point.cil.out.i [2019-11-20 01:52:16,609 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_97899bf6-12b2-4063-9878-2a19be3e471a/bin/ukojak/data/fd7000ef9/00882a09fe5d4d06ae62dedda82cdcc8/FLAGc97490ca5 [2019-11-20 01:52:17,015 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_97899bf6-12b2-4063-9878-2a19be3e471a/bin/ukojak/data/fd7000ef9/00882a09fe5d4d06ae62dedda82cdcc8 [2019-11-20 01:52:17,019 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 01:52:17,021 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 01:52:17,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 01:52:17,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 01:52:17,032 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 01:52:17,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:52:17" (1/1) ... [2019-11-20 01:52:17,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c65dba6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:17, skipping insertion in model container [2019-11-20 01:52:17,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:52:17" (1/1) ... [2019-11-20 01:52:17,047 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 01:52:17,190 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 01:52:17,940 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4775] [2019-11-20 01:52:17,941 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4776-4777] [2019-11-20 01:52:18,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:52:18,976 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 01:52:19,109 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4775] [2019-11-20 01:52:19,110 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4776-4777] [2019-11-20 01:52:19,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:52:19,591 INFO L192 MainTranslator]: Completed translation [2019-11-20 01:52:19,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:19 WrapperNode [2019-11-20 01:52:19,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 01:52:19,593 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 01:52:19,593 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 01:52:19,593 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 01:52:19,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:19" (1/1) ... [2019-11-20 01:52:19,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:19" (1/1) ... [2019-11-20 01:52:19,827 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 01:52:19,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 01:52:19,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 01:52:19,828 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 01:52:19,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:19" (1/1) ... [2019-11-20 01:52:19,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:19" (1/1) ... [2019-11-20 01:52:19,875 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:19" (1/1) ... [2019-11-20 01:52:19,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:19" (1/1) ... [2019-11-20 01:52:19,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:19" (1/1) ... [2019-11-20 01:52:19,998 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:19" (1/1) ... [2019-11-20 01:52:20,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:19" (1/1) ... [2019-11-20 01:52:20,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 01:52:20,046 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 01:52:20,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 01:52:20,046 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 01:52:20,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:52:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_97899bf6-12b2-4063-9878-2a19be3e471a/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 01:52:20,123 INFO L130 BoogieDeclarations]: Found specification of procedure pdc_prep_lba48 [2019-11-20 01:52:20,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pdc_prep_lba48 [2019-11-20 01:52:20,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-20 01:52:20,124 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-11-20 01:52:20,125 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-11-20 01:52:20,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-20 01:52:20,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-20 01:52:20,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-11-20 01:52:20,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-11-20 01:52:20,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 01:52:20,127 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-20 01:52:20,128 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-20 01:52:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure pdc_reset_port [2019-11-20 01:52:20,128 INFO L138 BoogieDeclarations]: Found implementation of procedure pdc_reset_port [2019-11-20 01:52:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure pdc20621_i2c_read [2019-11-20 01:52:20,129 INFO L138 BoogieDeclarations]: Found implementation of procedure pdc20621_i2c_read [2019-11-20 01:52:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure pdc_pkt_footer [2019-11-20 01:52:20,129 INFO L138 BoogieDeclarations]: Found implementation of procedure pdc_pkt_footer [2019-11-20 01:52:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 01:52:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-20 01:52:20,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-20 01:52:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure ata_port_pbar_desc [2019-11-20 01:52:20,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ata_port_pbar_desc [2019-11-20 01:52:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-20 01:52:20,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-20 01:52:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2019-11-20 01:52:20,131 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2019-11-20 01:52:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-20 01:52:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure pdc20621_dump_hdma [2019-11-20 01:52:20,132 INFO L138 BoogieDeclarations]: Found implementation of procedure pdc20621_dump_hdma [2019-11-20 01:52:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure __pdc20621_push_hdma [2019-11-20 01:52:20,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __pdc20621_push_hdma [2019-11-20 01:52:20,133 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-11-20 01:52:20,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-11-20 01:52:20,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-20 01:52:20,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 01:52:20,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-20 01:52:20,134 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2019-11-20 01:52:20,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2019-11-20 01:52:20,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 01:52:20,135 INFO L130 BoogieDeclarations]: Found specification of procedure pdc_prep_lba28 [2019-11-20 01:52:20,135 INFO L138 BoogieDeclarations]: Found implementation of procedure pdc_prep_lba28 [2019-11-20 01:52:20,135 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2019-11-20 01:52:20,135 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2019-11-20 01:52:20,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-20 01:52:20,136 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-11-20 01:52:20,136 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-11-20 01:52:20,136 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2019-11-20 01:52:20,137 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2019-11-20 01:52:20,137 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2019-11-20 01:52:20,137 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2019-11-20 01:52:20,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 01:52:20,138 INFO L130 BoogieDeclarations]: Found specification of procedure pdc20621_push_hdma [2019-11-20 01:52:20,138 INFO L138 BoogieDeclarations]: Found implementation of procedure pdc20621_push_hdma [2019-11-20 01:52:20,138 INFO L130 BoogieDeclarations]: Found specification of procedure pdc20621_ata_pkt [2019-11-20 01:52:20,138 INFO L138 BoogieDeclarations]: Found implementation of procedure pdc20621_ata_pkt [2019-11-20 01:52:20,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-20 01:52:20,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-20 01:52:20,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-20 01:52:20,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 01:52:20,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 01:52:41,562 INFO L689 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-11-20 01:54:43,070 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 01:54:43,070 INFO L285 CfgBuilder]: Removed 142 assume(true) statements. [2019-11-20 01:54:43,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:54:43 BoogieIcfgContainer [2019-11-20 01:54:43,071 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 01:54:43,072 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 01:54:43,072 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 01:54:43,080 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 01:54:43,080 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:54:43" (1/1) ... [2019-11-20 01:54:43,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:54:43,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:54:43,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 386 states and 584 transitions. [2019-11-20 01:54:43,141 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 584 transitions. [2019-11-20 01:54:43,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-11-20 01:54:43,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:54:43,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:54:43,895 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2019-11-20 01:54:43,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:54:43,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 388 states and 628 transitions. [2019-11-20 01:54:43,974 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 628 transitions. [2019-11-20 01:54:43,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-11-20 01:54:43,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:54:44,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:54:44,206 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2019-11-20 01:54:44,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:54:44,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 392 states and 677 transitions. [2019-11-20 01:54:44,347 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 677 transitions. [2019-11-20 01:54:44,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-11-20 01:54:44,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:54:44,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:54:44,545 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2019-11-20 01:54:44,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:54:44,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 395 states and 683 transitions. [2019-11-20 01:54:44,613 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 683 transitions. [2019-11-20 01:54:44,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-11-20 01:54:44,617 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:54:44,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:54:44,886 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2019-11-20 01:54:44,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:54:44,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 398 states and 688 transitions. [2019-11-20 01:54:44,914 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 688 transitions. [2019-11-20 01:54:44,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-11-20 01:54:44,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:54:44,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:54:45,085 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2019-11-20 01:54:45,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:54:45,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 403 states and 737 transitions. [2019-11-20 01:54:45,372 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 737 transitions. [2019-11-20 01:54:45,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-11-20 01:54:45,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:54:45,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:54:45,535 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2019-11-20 01:54:45,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:54:45,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 405 states and 740 transitions. [2019-11-20 01:54:45,554 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 740 transitions. [2019-11-20 01:54:45,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-11-20 01:54:45,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:54:45,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:54:45,710 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2019-11-20 01:54:45,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:54:45,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 408 states and 745 transitions. [2019-11-20 01:54:45,740 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 745 transitions. [2019-11-20 01:54:45,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-11-20 01:54:45,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:54:45,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:54:45,919 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2019-11-20 01:54:45,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:54:45,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 407 states and 740 transitions. [2019-11-20 01:54:45,970 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 740 transitions. [2019-11-20 01:54:45,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-11-20 01:54:45,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:54:46,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:54:46,113 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2019-11-20 01:54:46,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:54:46,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 408 states and 740 transitions. [2019-11-20 01:54:46,145 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 740 transitions. [2019-11-20 01:54:46,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-11-20 01:54:46,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:54:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:54:46,391 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2019-11-20 01:54:46,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:54:46,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 407 states and 735 transitions. [2019-11-20 01:54:46,444 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 735 transitions. [2019-11-20 01:54:46,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-11-20 01:54:46,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:54:46,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:54:46,620 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2019-11-20 01:54:47,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:54:47,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 413 states and 774 transitions. [2019-11-20 01:54:47,230 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 774 transitions. [2019-11-20 01:54:47,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-11-20 01:54:47,233 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:54:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:54:47,412 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2019-11-20 01:54:47,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:54:47,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 414 states and 775 transitions. [2019-11-20 01:54:47,502 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 775 transitions. [2019-11-20 01:54:47,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-11-20 01:54:47,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:54:47,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:54:47,635 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2019-11-20 01:54:47,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:54:47,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 416 states and 778 transitions. [2019-11-20 01:54:47,810 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 778 transitions. [2019-11-20 01:54:47,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-11-20 01:54:47,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:54:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:54:47,936 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2019-11-20 01:54:47,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:54:47,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 417 states and 778 transitions. [2019-11-20 01:54:47,959 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 778 transitions. [2019-11-20 01:54:47,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2019-11-20 01:54:47,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:54:48,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:54:48,123 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2019-11-20 01:54:48,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:54:48,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 422 states and 829 transitions. [2019-11-20 01:54:48,612 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 829 transitions. [2019-11-20 01:54:48,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2019-11-20 01:54:48,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:54:48,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:54:48,899 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2019-11-20 01:54:49,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:54:49,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 424 states and 832 transitions. [2019-11-20 01:54:49,099 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 832 transitions. [2019-11-20 01:54:49,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-11-20 01:54:49,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:54:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:54:49,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 2107 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:54:49,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:54:49,662 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2019-11-20 01:54:51,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:54:51,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 511 states and 1208 transitions. [2019-11-20 01:54:51,102 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 1208 transitions. [2019-11-20 01:54:51,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-11-20 01:54:51,107 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:54:51,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:54:51,245 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2019-11-20 01:54:51,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:54:51,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1233 states to 512 states and 1208 transitions. [2019-11-20 01:54:51,286 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 1208 transitions. [2019-11-20 01:54:51,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-11-20 01:54:51,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:54:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:54:51,411 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2019-11-20 01:54:51,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:54:51,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 515 states and 1214 transitions. [2019-11-20 01:54:51,883 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 1214 transitions. [2019-11-20 01:54:51,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-11-20 01:54:51,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:54:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:54:52,447 INFO L255 TraceCheckSpWp]: Trace formula consists of 2111 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:54:52,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:54:52,519 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2019-11-20 01:54:52,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:54:52,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1246 states to 518 states and 1221 transitions. [2019-11-20 01:54:52,556 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 1221 transitions. [2019-11-20 01:54:52,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-11-20 01:54:52,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:54:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:54:52,691 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2019-11-20 01:54:53,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:54:53,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 523 states and 1270 transitions. [2019-11-20 01:54:53,426 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 1270 transitions. [2019-11-20 01:54:53,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-11-20 01:54:53,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:54:53,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:54:53,832 INFO L255 TraceCheckSpWp]: Trace formula consists of 2109 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:54:53,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:54:53,891 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2019-11-20 01:54:53,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:54:53,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 525 states and 1273 transitions. [2019-11-20 01:54:53,923 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 1273 transitions. [2019-11-20 01:54:53,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-11-20 01:54:53,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:54:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:54:54,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 2110 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:54:54,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:54:54,384 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2019-11-20 01:54:54,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:54:54,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 526 states and 1274 transitions. [2019-11-20 01:54:54,415 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 1274 transitions. [2019-11-20 01:54:54,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-11-20 01:54:54,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:54:54,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:54:54,535 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2019-11-20 01:54:54,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:54:54,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 528 states and 1276 transitions. [2019-11-20 01:54:54,668 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 1276 transitions. [2019-11-20 01:54:54,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-11-20 01:54:54,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:54:55,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:54:55,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 2113 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:54:55,272 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:54:55,312 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2019-11-20 01:54:55,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:54:55,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 531 states and 1281 transitions. [2019-11-20 01:54:55,802 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 1281 transitions. [2019-11-20 01:54:55,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-11-20 01:54:55,806 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:54:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:54:56,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 2113 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:54:56,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:54:56,267 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2019-11-20 01:54:56,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:54:56,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 536 states and 1328 transitions. [2019-11-20 01:54:56,646 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 1328 transitions. [2019-11-20 01:54:56,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-11-20 01:54:56,650 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:54:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:54:56,757 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2019-11-20 01:54:56,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:54:56,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 537 states and 1328 transitions. [2019-11-20 01:54:56,787 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 1328 transitions. [2019-11-20 01:54:56,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-11-20 01:54:56,790 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:54:56,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:54:56,899 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2019-11-20 01:54:57,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:54:57,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 540 states and 1334 transitions. [2019-11-20 01:54:57,209 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 1334 transitions. [2019-11-20 01:54:57,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-11-20 01:54:57,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:54:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:54:57,317 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2019-11-20 01:54:58,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:54:58,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 546 states and 1375 transitions. [2019-11-20 01:54:58,219 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 1375 transitions. [2019-11-20 01:54:58,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-11-20 01:54:58,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:54:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:54:58,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 2115 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:54:58,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:54:58,814 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2019-11-20 01:54:58,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:54:58,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 547 states and 1375 transitions. [2019-11-20 01:54:58,839 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 1375 transitions. [2019-11-20 01:54:58,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-11-20 01:54:58,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:54:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:54:58,965 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2019-11-20 01:54:59,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:54:59,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 549 states and 1378 transitions. [2019-11-20 01:54:59,351 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 1378 transitions. [2019-11-20 01:54:59,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-11-20 01:54:59,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:54:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:54:59,470 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2019-11-20 01:55:00,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:00,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 553 states and 1424 transitions. [2019-11-20 01:55:00,290 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 1424 transitions. [2019-11-20 01:55:00,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-11-20 01:55:00,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:00,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:00,419 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2019-11-20 01:55:00,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:00,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1448 states to 553 states and 1423 transitions. [2019-11-20 01:55:00,469 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 1423 transitions. [2019-11-20 01:55:00,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-11-20 01:55:00,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:00,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:00,602 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2019-11-20 01:55:00,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:00,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 554 states and 1424 transitions. [2019-11-20 01:55:00,770 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 1424 transitions. [2019-11-20 01:55:00,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-11-20 01:55:00,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:00,898 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2019-11-20 01:55:01,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:01,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 555 states and 1425 transitions. [2019-11-20 01:55:01,026 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 1425 transitions. [2019-11-20 01:55:01,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-11-20 01:55:01,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:01,193 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2019-11-20 01:55:01,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:01,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1453 states to 557 states and 1428 transitions. [2019-11-20 01:55:01,527 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 1428 transitions. [2019-11-20 01:55:01,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-11-20 01:55:01,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:01,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:01,644 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2019-11-20 01:55:01,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:01,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 558 states and 1430 transitions. [2019-11-20 01:55:01,755 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 1430 transitions. [2019-11-20 01:55:01,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-11-20 01:55:01,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:01,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:01,981 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2019-11-20 01:55:02,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:02,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 559 states and 1430 transitions. [2019-11-20 01:55:02,015 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 1430 transitions. [2019-11-20 01:55:02,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-11-20 01:55:02,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:02,129 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2019-11-20 01:55:02,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:02,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 562 states and 1474 transitions. [2019-11-20 01:55:02,447 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 1474 transitions. [2019-11-20 01:55:02,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-11-20 01:55:02,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:02,565 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2019-11-20 01:55:02,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:02,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1501 states to 563 states and 1476 transitions. [2019-11-20 01:55:02,858 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 1476 transitions. [2019-11-20 01:55:02,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-11-20 01:55:02,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:02,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:02,973 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2019-11-20 01:55:03,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:03,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 566 states and 1509 transitions. [2019-11-20 01:55:03,427 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 1509 transitions. [2019-11-20 01:55:03,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-11-20 01:55:03,430 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:03,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:03,543 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2019-11-20 01:55:03,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:03,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1539 states to 569 states and 1514 transitions. [2019-11-20 01:55:03,899 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 1514 transitions. [2019-11-20 01:55:03,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-11-20 01:55:03,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:03,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:04,016 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2019-11-20 01:55:04,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:04,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1539 states to 570 states and 1514 transitions. [2019-11-20 01:55:04,069 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 1514 transitions. [2019-11-20 01:55:04,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-11-20 01:55:04,072 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:04,200 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2019-11-20 01:55:04,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:04,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1539 states to 571 states and 1514 transitions. [2019-11-20 01:55:04,253 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 1514 transitions. [2019-11-20 01:55:04,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-11-20 01:55:04,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:04,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:04,373 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2019-11-20 01:55:04,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:04,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 574 states and 1517 transitions. [2019-11-20 01:55:04,534 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 1517 transitions. [2019-11-20 01:55:04,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-11-20 01:55:04,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:04,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:04,813 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2019-11-20 01:55:05,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:05,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 575 states and 1519 transitions. [2019-11-20 01:55:05,457 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 1519 transitions. [2019-11-20 01:55:05,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-11-20 01:55:05,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:05,739 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2019-11-20 01:55:06,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:06,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 576 states and 1521 transitions. [2019-11-20 01:55:06,201 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 1521 transitions. [2019-11-20 01:55:06,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-11-20 01:55:06,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:06,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 2418 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:55:06,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:55:06,715 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2019-11-20 01:55:07,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:07,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 596 states and 1541 transitions. [2019-11-20 01:55:07,458 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 1541 transitions. [2019-11-20 01:55:07,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2019-11-20 01:55:07,460 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:07,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 2438 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:55:07,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:55:07,951 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2019-11-20 01:55:07,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:07,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 599 states and 1543 transitions. [2019-11-20 01:55:07,983 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 1543 transitions. [2019-11-20 01:55:07,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2019-11-20 01:55:07,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:08,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:08,125 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2019-11-20 01:55:08,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:08,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1624 states to 604 states and 1586 transitions. [2019-11-20 01:55:08,976 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 1586 transitions. [2019-11-20 01:55:08,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2019-11-20 01:55:08,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:09,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:09,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 2434 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:55:09,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:55:09,444 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2019-11-20 01:55:09,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:09,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1627 states to 605 states and 1589 transitions. [2019-11-20 01:55:09,479 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 1589 transitions. [2019-11-20 01:55:09,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2019-11-20 01:55:09,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:09,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:09,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 2430 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:55:09,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:55:10,079 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2019-11-20 01:55:10,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:10,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1629 states to 607 states and 1591 transitions. [2019-11-20 01:55:10,112 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 1591 transitions. [2019-11-20 01:55:10,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2019-11-20 01:55:10,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:10,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 2436 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:55:10,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:55:10,588 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2019-11-20 01:55:10,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:10,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 610 states and 1601 transitions. [2019-11-20 01:55:10,830 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 1601 transitions. [2019-11-20 01:55:10,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2019-11-20 01:55:10,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:11,264 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2019-11-20 01:55:13,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:13,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 633 states and 1706 transitions. [2019-11-20 01:55:13,507 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 1706 transitions. [2019-11-20 01:55:13,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2019-11-20 01:55:13,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:13,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:13,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 2432 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:55:13,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:55:14,013 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2019-11-20 01:55:14,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:14,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 635 states and 1708 transitions. [2019-11-20 01:55:14,050 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 1708 transitions. [2019-11-20 01:55:14,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-11-20 01:55:14,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:14,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:14,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 2438 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:55:14,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:55:14,610 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2019-11-20 01:55:14,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:14,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1750 states to 636 states and 1711 transitions. [2019-11-20 01:55:14,659 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 1711 transitions. [2019-11-20 01:55:14,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-11-20 01:55:14,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:15,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:15,181 INFO L255 TraceCheckSpWp]: Trace formula consists of 2449 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:55:15,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:55:15,386 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2019-11-20 01:55:15,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:15,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1750 states to 639 states and 1711 transitions. [2019-11-20 01:55:15,423 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 1711 transitions. [2019-11-20 01:55:15,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-11-20 01:55:15,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:15,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:15,678 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2019-11-20 01:55:15,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:15,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 638 states and 1692 transitions. [2019-11-20 01:55:15,788 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 1692 transitions. [2019-11-20 01:55:15,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-11-20 01:55:15,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:16,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 2440 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:55:16,222 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:55:16,276 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2019-11-20 01:55:16,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:16,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 639 states and 1695 transitions. [2019-11-20 01:55:16,331 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 1695 transitions. [2019-11-20 01:55:16,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-11-20 01:55:16,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:16,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:16,607 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2019-11-20 01:55:19,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:19,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1786 states to 647 states and 1730 transitions. [2019-11-20 01:55:19,029 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 1730 transitions. [2019-11-20 01:55:19,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-11-20 01:55:19,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:19,161 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2019-11-20 01:55:20,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:20,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 652 states and 1755 transitions. [2019-11-20 01:55:20,119 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 1755 transitions. [2019-11-20 01:55:20,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2019-11-20 01:55:20,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:20,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 2442 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:55:20,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:55:20,587 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2019-11-20 01:55:20,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:20,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1814 states to 653 states and 1758 transitions. [2019-11-20 01:55:20,625 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 1758 transitions. [2019-11-20 01:55:20,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2019-11-20 01:55:20,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:20,899 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2019-11-20 01:55:20,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:20,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1816 states to 655 states and 1760 transitions. [2019-11-20 01:55:20,938 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 1760 transitions. [2019-11-20 01:55:20,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2019-11-20 01:55:20,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:21,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:21,425 INFO L255 TraceCheckSpWp]: Trace formula consists of 2445 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:55:21,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:55:21,479 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2019-11-20 01:55:21,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:21,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1816 states to 657 states and 1760 transitions. [2019-11-20 01:55:21,506 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 1760 transitions. [2019-11-20 01:55:21,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2019-11-20 01:55:21,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:21,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:21,644 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2019-11-20 01:55:21,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:21,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1816 states to 658 states and 1760 transitions. [2019-11-20 01:55:21,690 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 1760 transitions. [2019-11-20 01:55:21,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2019-11-20 01:55:21,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:22,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:22,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 2444 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:55:22,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:55:22,200 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2019-11-20 01:55:22,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:22,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1819 states to 659 states and 1763 transitions. [2019-11-20 01:55:22,238 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 1763 transitions. [2019-11-20 01:55:22,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2019-11-20 01:55:22,240 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:22,373 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2019-11-20 01:55:22,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:22,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1821 states to 661 states and 1765 transitions. [2019-11-20 01:55:22,408 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 1765 transitions. [2019-11-20 01:55:22,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2019-11-20 01:55:22,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:22,639 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2019-11-20 01:55:24,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:24,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1857 states to 666 states and 1796 transitions. [2019-11-20 01:55:24,160 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 1796 transitions. [2019-11-20 01:55:24,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2019-11-20 01:55:24,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:24,291 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2019-11-20 01:55:24,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:24,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1862 states to 669 states and 1801 transitions. [2019-11-20 01:55:24,619 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 1801 transitions. [2019-11-20 01:55:24,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-11-20 01:55:24,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:24,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:24,762 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2019-11-20 01:55:25,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:25,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1869 states to 672 states and 1808 transitions. [2019-11-20 01:55:25,126 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 1808 transitions. [2019-11-20 01:55:25,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-11-20 01:55:25,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:25,568 INFO L255 TraceCheckSpWp]: Trace formula consists of 2446 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:55:25,572 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:55:25,644 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2019-11-20 01:55:25,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:25,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1872 states to 673 states and 1811 transitions. [2019-11-20 01:55:25,690 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 1811 transitions. [2019-11-20 01:55:25,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-11-20 01:55:25,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:25,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:26,191 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2019-11-20 01:55:29,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:29,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1927 states to 679 states and 1859 transitions. [2019-11-20 01:55:29,082 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1859 transitions. [2019-11-20 01:55:29,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-11-20 01:55:29,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:29,194 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2019-11-20 01:55:29,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:29,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1929 states to 681 states and 1861 transitions. [2019-11-20 01:55:29,230 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 1861 transitions. [2019-11-20 01:55:29,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-11-20 01:55:29,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:29,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:29,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 2462 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:55:29,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:55:29,695 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2019-11-20 01:55:30,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:30,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1943 states to 688 states and 1875 transitions. [2019-11-20 01:55:30,574 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 1875 transitions. [2019-11-20 01:55:30,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-11-20 01:55:30,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:30,720 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2019-11-20 01:55:31,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:31,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1948 states to 690 states and 1880 transitions. [2019-11-20 01:55:31,446 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1880 transitions. [2019-11-20 01:55:31,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-11-20 01:55:31,448 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:31,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:31,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 2450 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:55:31,879 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:55:31,925 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2019-11-20 01:55:32,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:32,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1950 states to 692 states and 1882 transitions. [2019-11-20 01:55:32,519 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 1882 transitions. [2019-11-20 01:55:32,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-11-20 01:55:32,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:32,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:32,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 2452 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:55:32,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:55:32,987 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2019-11-20 01:55:33,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:33,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1980 states to 695 states and 1912 transitions. [2019-11-20 01:55:33,053 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 1912 transitions. [2019-11-20 01:55:33,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-11-20 01:55:33,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:33,166 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2019-11-20 01:55:33,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:33,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1984 states to 699 states and 1916 transitions. [2019-11-20 01:55:33,687 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 1916 transitions. [2019-11-20 01:55:33,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-11-20 01:55:33,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:33,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:33,812 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2019-11-20 01:55:33,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:33,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1992 states to 700 states and 1924 transitions. [2019-11-20 01:55:33,860 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 1924 transitions. [2019-11-20 01:55:33,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-11-20 01:55:33,862 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:34,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:34,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 2468 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:55:34,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:55:34,346 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2019-11-20 01:55:34,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:34,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2001 states to 705 states and 1933 transitions. [2019-11-20 01:55:34,378 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 1933 transitions. [2019-11-20 01:55:34,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-11-20 01:55:34,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:34,483 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2019-11-20 01:55:34,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:34,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2003 states to 707 states and 1935 transitions. [2019-11-20 01:55:34,520 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 1935 transitions. [2019-11-20 01:55:34,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2019-11-20 01:55:34,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:34,649 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2019-11-20 01:55:34,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:34,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2011 states to 708 states and 1943 transitions. [2019-11-20 01:55:34,695 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 1943 transitions. [2019-11-20 01:55:34,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2019-11-20 01:55:34,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:34,957 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2019-11-20 01:55:35,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:35,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1987 states to 707 states and 1919 transitions. [2019-11-20 01:55:35,133 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 1919 transitions. [2019-11-20 01:55:35,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2019-11-20 01:55:35,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:35,233 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2019-11-20 01:55:35,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:35,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1989 states to 709 states and 1921 transitions. [2019-11-20 01:55:35,289 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 1921 transitions. [2019-11-20 01:55:35,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-11-20 01:55:35,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:35,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:35,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 2512 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:55:35,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:55:35,788 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2019-11-20 01:55:35,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:35,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1989 states to 711 states and 1921 transitions. [2019-11-20 01:55:35,821 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 1921 transitions. [2019-11-20 01:55:35,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-11-20 01:55:35,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:36,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:36,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 2517 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:55:36,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:55:36,323 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 500 trivial. 0 not checked. [2019-11-20 01:55:36,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:36,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1989 states to 713 states and 1921 transitions. [2019-11-20 01:55:36,372 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 1921 transitions. [2019-11-20 01:55:36,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2019-11-20 01:55:36,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:36,513 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2019-11-20 01:55:37,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:37,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1998 states to 716 states and 1930 transitions. [2019-11-20 01:55:37,287 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 1930 transitions. [2019-11-20 01:55:37,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2019-11-20 01:55:37,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:37,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:37,392 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2019-11-20 01:55:38,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:38,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2021 states to 719 states and 1953 transitions. [2019-11-20 01:55:38,161 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 1953 transitions. [2019-11-20 01:55:38,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2019-11-20 01:55:38,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:38,290 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2019-11-20 01:55:38,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:38,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2041 states to 722 states and 1973 transitions. [2019-11-20 01:55:38,749 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 1973 transitions. [2019-11-20 01:55:38,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2019-11-20 01:55:38,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:38,978 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2019-11-20 01:55:39,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:39,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2061 states to 724 states and 1993 transitions. [2019-11-20 01:55:39,490 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 1993 transitions. [2019-11-20 01:55:39,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2019-11-20 01:55:39,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:39,600 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2019-11-20 01:55:39,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:39,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2062 states to 725 states and 1994 transitions. [2019-11-20 01:55:39,982 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 1994 transitions. [2019-11-20 01:55:39,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2019-11-20 01:55:39,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:40,094 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2019-11-20 01:55:41,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:41,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2077 states to 725 states and 1990 transitions. [2019-11-20 01:55:41,540 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 1990 transitions. [2019-11-20 01:55:41,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2019-11-20 01:55:41,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:41,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:41,641 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2019-11-20 01:55:42,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:42,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2082 states to 728 states and 1995 transitions. [2019-11-20 01:55:42,018 INFO L276 IsEmpty]: Start isEmpty. Operand 728 states and 1995 transitions. [2019-11-20 01:55:42,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2019-11-20 01:55:42,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:42,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:42,135 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2019-11-20 01:55:42,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:42,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 731 states and 2002 transitions. [2019-11-20 01:55:42,549 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 2002 transitions. [2019-11-20 01:55:42,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2019-11-20 01:55:42,550 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:42,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:42,664 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2019-11-20 01:55:42,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:42,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 732 states and 2013 transitions. [2019-11-20 01:55:42,715 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 2013 transitions. [2019-11-20 01:55:42,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2019-11-20 01:55:42,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:42,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:42,815 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2019-11-20 01:55:43,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:43,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2103 states to 734 states and 2016 transitions. [2019-11-20 01:55:43,407 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 2016 transitions. [2019-11-20 01:55:43,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2019-11-20 01:55:43,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:43,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:43,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 2471 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:55:43,808 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:55:43,852 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2019-11-20 01:55:43,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:43,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2107 states to 737 states and 2020 transitions. [2019-11-20 01:55:43,875 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 2020 transitions. [2019-11-20 01:55:43,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2019-11-20 01:55:43,876 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:43,980 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2019-11-20 01:55:44,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:44,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 739 states and 2022 transitions. [2019-11-20 01:55:44,018 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 2022 transitions. [2019-11-20 01:55:44,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2019-11-20 01:55:44,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:44,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:44,145 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2019-11-20 01:55:44,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:44,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 740 states and 2022 transitions. [2019-11-20 01:55:44,365 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 2022 transitions. [2019-11-20 01:55:44,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2019-11-20 01:55:44,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:44,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:44,480 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2019-11-20 01:55:44,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:44,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2110 states to 741 states and 2023 transitions. [2019-11-20 01:55:44,668 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 2023 transitions. [2019-11-20 01:55:44,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2019-11-20 01:55:44,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:45,136 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2019-11-20 01:55:46,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:46,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2118 states to 744 states and 2031 transitions. [2019-11-20 01:55:46,118 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 2031 transitions. [2019-11-20 01:55:46,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2019-11-20 01:55:46,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:46,251 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2019-11-20 01:55:46,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:46,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2150 states to 746 states and 2063 transitions. [2019-11-20 01:55:46,896 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 2063 transitions. [2019-11-20 01:55:46,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2019-11-20 01:55:46,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:46,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:47,005 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2019-11-20 01:55:48,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:48,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2166 states to 746 states and 2060 transitions. [2019-11-20 01:55:48,384 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 2060 transitions. [2019-11-20 01:55:48,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2019-11-20 01:55:48,386 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:48,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:48,499 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2019-11-20 01:55:48,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:48,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2168 states to 748 states and 2062 transitions. [2019-11-20 01:55:48,954 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 2062 transitions. [2019-11-20 01:55:48,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2019-11-20 01:55:48,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:48,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:49,059 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2019-11-20 01:55:49,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:49,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2199 states to 750 states and 2092 transitions. [2019-11-20 01:55:49,808 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 2092 transitions. [2019-11-20 01:55:49,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2019-11-20 01:55:49,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:49,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:49,918 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2019-11-20 01:55:49,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:49,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 751 states and 2093 transitions. [2019-11-20 01:55:49,956 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 2093 transitions. [2019-11-20 01:55:49,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2019-11-20 01:55:49,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:49,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:50,062 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2019-11-20 01:55:50,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:50,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 752 states and 2106 transitions. [2019-11-20 01:55:50,127 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 2106 transitions. [2019-11-20 01:55:50,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2019-11-20 01:55:50,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:50,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:50,241 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2019-11-20 01:55:51,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:51,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2224 states to 756 states and 2117 transitions. [2019-11-20 01:55:51,298 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 2117 transitions. [2019-11-20 01:55:51,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2019-11-20 01:55:51,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:51,400 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2019-11-20 01:55:51,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:51,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2226 states to 758 states and 2119 transitions. [2019-11-20 01:55:51,839 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 2119 transitions. [2019-11-20 01:55:51,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2019-11-20 01:55:51,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:52,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 2454 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:55:52,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:55:52,318 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2019-11-20 01:55:52,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:52,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2241 states to 765 states and 2134 transitions. [2019-11-20 01:55:52,379 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 2134 transitions. [2019-11-20 01:55:52,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2019-11-20 01:55:52,381 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:52,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:52,545 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2019-11-20 01:55:52,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:52,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2244 states to 767 states and 2137 transitions. [2019-11-20 01:55:52,881 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 2137 transitions. [2019-11-20 01:55:52,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2019-11-20 01:55:52,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:52,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:52,983 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2019-11-20 01:55:53,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:53,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2246 states to 770 states and 2139 transitions. [2019-11-20 01:55:53,906 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 2139 transitions. [2019-11-20 01:55:53,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-11-20 01:55:53,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:53,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:54,012 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2019-11-20 01:55:54,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:54,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2244 states to 770 states and 2137 transitions. [2019-11-20 01:55:54,110 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 2137 transitions. [2019-11-20 01:55:54,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-11-20 01:55:54,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:54,250 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2019-11-20 01:55:54,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:54,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2244 states to 771 states and 2137 transitions. [2019-11-20 01:55:54,279 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 2137 transitions. [2019-11-20 01:55:54,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-11-20 01:55:54,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:54,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:54,427 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2019-11-20 01:55:54,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:54,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2246 states to 772 states and 2139 transitions. [2019-11-20 01:55:54,488 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 2139 transitions. [2019-11-20 01:55:54,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-11-20 01:55:54,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:54,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:54,661 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2019-11-20 01:55:54,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:54,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2247 states to 773 states and 2140 transitions. [2019-11-20 01:55:54,715 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 2140 transitions. [2019-11-20 01:55:54,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-11-20 01:55:54,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:54,857 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2019-11-20 01:55:54,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:54,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2260 states to 774 states and 2153 transitions. [2019-11-20 01:55:54,961 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 2153 transitions. [2019-11-20 01:55:54,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-11-20 01:55:54,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:55,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 2469 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:55:55,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:55:55,506 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2019-11-20 01:55:55,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:55,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2265 states to 777 states and 2158 transitions. [2019-11-20 01:55:55,546 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 2158 transitions. [2019-11-20 01:55:55,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-11-20 01:55:55,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:55,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:55,648 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2019-11-20 01:55:56,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:56,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2277 states to 784 states and 2170 transitions. [2019-11-20 01:55:56,077 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 2170 transitions. [2019-11-20 01:55:56,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-11-20 01:55:56,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:56,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 2577 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:55:56,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:55:56,558 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2019-11-20 01:55:56,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:56,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2280 states to 785 states and 2173 transitions. [2019-11-20 01:55:56,607 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 2173 transitions. [2019-11-20 01:55:56,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-11-20 01:55:56,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:56,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:56,728 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2019-11-20 01:55:57,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:57,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2313 states to 790 states and 2204 transitions. [2019-11-20 01:55:57,951 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 2204 transitions. [2019-11-20 01:55:57,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-11-20 01:55:57,952 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:58,063 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2019-11-20 01:55:58,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:58,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2313 states to 791 states and 2204 transitions. [2019-11-20 01:55:58,516 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 2204 transitions. [2019-11-20 01:55:58,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-11-20 01:55:58,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:58,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:58,636 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2019-11-20 01:55:59,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:59,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2333 states to 793 states and 2224 transitions. [2019-11-20 01:55:59,237 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 2224 transitions. [2019-11-20 01:55:59,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-11-20 01:55:59,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:55:59,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:55:59,469 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2019-11-20 01:55:59,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:55:59,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2352 states to 795 states and 2242 transitions. [2019-11-20 01:55:59,990 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 2242 transitions. [2019-11-20 01:55:59,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-11-20 01:55:59,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:00,118 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 8 proven. 21 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2019-11-20 01:56:01,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:01,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2358 states to 795 states and 2240 transitions. [2019-11-20 01:56:01,200 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 2240 transitions. [2019-11-20 01:56:01,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2019-11-20 01:56:01,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:01,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:01,321 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2019-11-20 01:56:02,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:02,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2364 states to 799 states and 2246 transitions. [2019-11-20 01:56:02,222 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 2246 transitions. [2019-11-20 01:56:02,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2019-11-20 01:56:02,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:02,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:02,328 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2019-11-20 01:56:02,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:02,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2366 states to 800 states and 2248 transitions. [2019-11-20 01:56:02,370 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 2248 transitions. [2019-11-20 01:56:02,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2019-11-20 01:56:02,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:02,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:02,504 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2019-11-20 01:56:02,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:02,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 801 states and 2249 transitions. [2019-11-20 01:56:02,570 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 2249 transitions. [2019-11-20 01:56:02,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2019-11-20 01:56:02,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:02,718 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2019-11-20 01:56:02,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:02,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2375 states to 806 states and 2257 transitions. [2019-11-20 01:56:02,775 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 2257 transitions. [2019-11-20 01:56:02,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2019-11-20 01:56:02,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:02,896 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2019-11-20 01:56:02,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:02,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2383 states to 809 states and 2265 transitions. [2019-11-20 01:56:02,992 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 2265 transitions. [2019-11-20 01:56:02,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-11-20 01:56:02,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:03,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 2517 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:56:03,422 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:56:03,466 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2019-11-20 01:56:03,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:03,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2402 states to 817 states and 2284 transitions. [2019-11-20 01:56:03,521 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 2284 transitions. [2019-11-20 01:56:03,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2019-11-20 01:56:03,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:03,628 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2019-11-20 01:56:04,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:04,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2427 states to 820 states and 2309 transitions. [2019-11-20 01:56:04,541 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 2309 transitions. [2019-11-20 01:56:04,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-11-20 01:56:04,543 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:04,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:04,660 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 11 proven. 18 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2019-11-20 01:56:05,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:05,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2435 states to 824 states and 2317 transitions. [2019-11-20 01:56:05,017 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 2317 transitions. [2019-11-20 01:56:05,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-11-20 01:56:05,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:05,153 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 11 proven. 18 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2019-11-20 01:56:05,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:05,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2457 states to 826 states and 2338 transitions. [2019-11-20 01:56:05,720 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 2338 transitions. [2019-11-20 01:56:05,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-11-20 01:56:05,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:05,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:05,868 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 12 proven. 11 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2019-11-20 01:56:06,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:06,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2457 states to 827 states and 2338 transitions. [2019-11-20 01:56:06,208 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 2338 transitions. [2019-11-20 01:56:06,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-11-20 01:56:06,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:06,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:06,331 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 11 proven. 18 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2019-11-20 01:56:06,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:06,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2458 states to 828 states and 2339 transitions. [2019-11-20 01:56:06,793 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 2339 transitions. [2019-11-20 01:56:06,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-11-20 01:56:06,795 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:06,928 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2019-11-20 01:56:06,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:06,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2459 states to 829 states and 2340 transitions. [2019-11-20 01:56:06,980 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 2340 transitions. [2019-11-20 01:56:06,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-11-20 01:56:06,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:07,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:07,177 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2019-11-20 01:56:07,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:07,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2460 states to 830 states and 2341 transitions. [2019-11-20 01:56:07,222 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 2341 transitions. [2019-11-20 01:56:07,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-11-20 01:56:07,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:07,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:07,327 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2019-11-20 01:56:07,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:07,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2462 states to 832 states and 2343 transitions. [2019-11-20 01:56:07,364 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 2343 transitions. [2019-11-20 01:56:07,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-11-20 01:56:07,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:07,777 INFO L255 TraceCheckSpWp]: Trace formula consists of 2481 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:56:07,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:56:07,841 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2019-11-20 01:56:07,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:07,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2469 states to 837 states and 2350 transitions. [2019-11-20 01:56:07,905 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 2350 transitions. [2019-11-20 01:56:07,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-11-20 01:56:07,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:08,024 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2019-11-20 01:56:09,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:09,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2471 states to 840 states and 2352 transitions. [2019-11-20 01:56:09,038 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 2352 transitions. [2019-11-20 01:56:09,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-11-20 01:56:09,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:09,174 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 28 proven. 6 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2019-11-20 01:56:09,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:09,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2473 states to 842 states and 2354 transitions. [2019-11-20 01:56:09,577 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 2354 transitions. [2019-11-20 01:56:09,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-11-20 01:56:09,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:09,681 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2019-11-20 01:56:09,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:09,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2474 states to 843 states and 2355 transitions. [2019-11-20 01:56:09,723 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 2355 transitions. [2019-11-20 01:56:09,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-11-20 01:56:09,725 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:09,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:09,848 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2019-11-20 01:56:09,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:09,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2475 states to 844 states and 2356 transitions. [2019-11-20 01:56:09,894 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 2356 transitions. [2019-11-20 01:56:09,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-11-20 01:56:09,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:10,011 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2019-11-20 01:56:10,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:10,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2479 states to 847 states and 2360 transitions. [2019-11-20 01:56:10,033 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 2360 transitions. [2019-11-20 01:56:10,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-11-20 01:56:10,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:10,149 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2019-11-20 01:56:10,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:10,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2481 states to 849 states and 2362 transitions. [2019-11-20 01:56:10,191 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 2362 transitions. [2019-11-20 01:56:10,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-11-20 01:56:10,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:10,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 2531 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:56:10,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:56:10,686 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2019-11-20 01:56:10,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:10,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2487 states to 852 states and 2368 transitions. [2019-11-20 01:56:10,741 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 2368 transitions. [2019-11-20 01:56:10,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-11-20 01:56:10,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:10,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:10,887 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2019-11-20 01:56:12,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:12,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2490 states to 855 states and 2371 transitions. [2019-11-20 01:56:12,082 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 2371 transitions. [2019-11-20 01:56:12,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-11-20 01:56:12,085 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:12,200 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2019-11-20 01:56:13,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:13,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2491 states to 857 states and 2372 transitions. [2019-11-20 01:56:13,036 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 2372 transitions. [2019-11-20 01:56:13,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2019-11-20 01:56:13,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:13,154 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2019-11-20 01:56:13,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:13,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2492 states to 858 states and 2373 transitions. [2019-11-20 01:56:13,208 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 2373 transitions. [2019-11-20 01:56:13,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-11-20 01:56:13,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:13,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 2542 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:56:13,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:56:13,738 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2019-11-20 01:56:13,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:13,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2505 states to 868 states and 2386 transitions. [2019-11-20 01:56:13,805 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 2386 transitions. [2019-11-20 01:56:13,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2019-11-20 01:56:13,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:13,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:14,088 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2019-11-20 01:56:14,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:14,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2518 states to 875 states and 2399 transitions. [2019-11-20 01:56:14,196 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 2399 transitions. [2019-11-20 01:56:14,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2019-11-20 01:56:14,199 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:14,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:14,681 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2019-11-20 01:56:15,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:15,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2484 states to 874 states and 2365 transitions. [2019-11-20 01:56:15,021 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 2365 transitions. [2019-11-20 01:56:15,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-11-20 01:56:15,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:15,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 2536 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:56:15,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:56:15,504 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2019-11-20 01:56:15,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:15,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2490 states to 879 states and 2371 transitions. [2019-11-20 01:56:15,587 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 2371 transitions. [2019-11-20 01:56:15,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-11-20 01:56:15,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:16,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:16,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 2553 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:56:16,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:56:16,110 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2019-11-20 01:56:16,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:16,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2503 states to 889 states and 2384 transitions. [2019-11-20 01:56:16,207 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 2384 transitions. [2019-11-20 01:56:16,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-11-20 01:56:16,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:16,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:16,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 2513 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:56:16,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:56:16,718 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2019-11-20 01:56:16,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:16,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2503 states to 890 states and 2384 transitions. [2019-11-20 01:56:16,784 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 2384 transitions. [2019-11-20 01:56:16,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2019-11-20 01:56:16,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:16,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:16,940 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2019-11-20 01:56:18,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:18,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2517 states to 897 states and 2398 transitions. [2019-11-20 01:56:18,105 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 2398 transitions. [2019-11-20 01:56:18,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2019-11-20 01:56:18,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:18,231 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2019-11-20 01:56:18,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:18,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2518 states to 898 states and 2399 transitions. [2019-11-20 01:56:18,334 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 2399 transitions. [2019-11-20 01:56:18,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2019-11-20 01:56:18,337 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:18,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:18,486 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2019-11-20 01:56:19,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:19,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2540 states to 900 states and 2421 transitions. [2019-11-20 01:56:19,121 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 2421 transitions. [2019-11-20 01:56:19,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-11-20 01:56:19,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:19,220 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2019-11-20 01:56:19,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:19,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2540 states to 901 states and 2421 transitions. [2019-11-20 01:56:19,240 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 2421 transitions. [2019-11-20 01:56:19,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-11-20 01:56:19,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:19,340 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2019-11-20 01:56:20,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:20,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2545 states to 904 states and 2426 transitions. [2019-11-20 01:56:20,108 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 2426 transitions. [2019-11-20 01:56:20,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-11-20 01:56:20,110 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:20,220 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2019-11-20 01:56:21,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:21,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2580 states to 911 states and 2460 transitions. [2019-11-20 01:56:21,416 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 2460 transitions. [2019-11-20 01:56:21,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-11-20 01:56:21,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:21,522 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2019-11-20 01:56:21,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:21,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2588 states to 916 states and 2468 transitions. [2019-11-20 01:56:21,570 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 2468 transitions. [2019-11-20 01:56:21,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-11-20 01:56:21,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:21,676 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2019-11-20 01:56:21,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:21,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2592 states to 919 states and 2472 transitions. [2019-11-20 01:56:21,720 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 2472 transitions. [2019-11-20 01:56:21,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-11-20 01:56:21,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:22,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:22,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 2477 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:56:22,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:56:22,216 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2019-11-20 01:56:22,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:22,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2604 states to 925 states and 2484 transitions. [2019-11-20 01:56:22,268 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 2484 transitions. [2019-11-20 01:56:22,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2019-11-20 01:56:22,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:22,433 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 14 proven. 5 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2019-11-20 01:56:22,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:22,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2619 states to 932 states and 2499 transitions. [2019-11-20 01:56:22,598 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 2499 transitions. [2019-11-20 01:56:22,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-11-20 01:56:22,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:22,721 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2019-11-20 01:56:26,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:26,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2736 states to 946 states and 2615 transitions. [2019-11-20 01:56:26,437 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 2615 transitions. [2019-11-20 01:56:26,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-11-20 01:56:26,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:26,545 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2019-11-20 01:56:27,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:27,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 948 states and 2637 transitions. [2019-11-20 01:56:27,162 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 2637 transitions. [2019-11-20 01:56:27,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-11-20 01:56:27,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:27,317 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 14 proven. 19 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2019-11-20 01:56:28,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:28,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2761 states to 950 states and 2639 transitions. [2019-11-20 01:56:28,372 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 2639 transitions. [2019-11-20 01:56:28,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-11-20 01:56:28,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:28,473 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2019-11-20 01:56:28,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:28,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 951 states and 2640 transitions. [2019-11-20 01:56:28,495 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 2640 transitions. [2019-11-20 01:56:28,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-11-20 01:56:28,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:28,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:28,603 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2019-11-20 01:56:28,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:28,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2764 states to 953 states and 2642 transitions. [2019-11-20 01:56:28,826 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 2642 transitions. [2019-11-20 01:56:28,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-11-20 01:56:28,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:28,933 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2019-11-20 01:56:28,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:28,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2765 states to 954 states and 2643 transitions. [2019-11-20 01:56:28,997 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 2643 transitions. [2019-11-20 01:56:28,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-11-20 01:56:28,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:29,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:29,106 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2019-11-20 01:56:30,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:30,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2770 states to 957 states and 2648 transitions. [2019-11-20 01:56:30,093 INFO L276 IsEmpty]: Start isEmpty. Operand 957 states and 2648 transitions. [2019-11-20 01:56:30,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-11-20 01:56:30,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:30,195 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2019-11-20 01:56:30,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:30,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2772 states to 959 states and 2650 transitions. [2019-11-20 01:56:30,460 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 2650 transitions. [2019-11-20 01:56:30,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-11-20 01:56:30,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:30,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 2522 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:56:30,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:56:30,963 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2019-11-20 01:56:31,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:31,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2776 states to 967 states and 2654 transitions. [2019-11-20 01:56:31,092 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 2654 transitions. [2019-11-20 01:56:31,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2019-11-20 01:56:31,094 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:31,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:31,245 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2019-11-20 01:56:31,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:31,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 973 states and 2663 transitions. [2019-11-20 01:56:31,351 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 2663 transitions. [2019-11-20 01:56:31,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-11-20 01:56:31,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:31,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:31,508 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2019-11-20 01:56:32,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:32,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2797 states to 980 states and 2675 transitions. [2019-11-20 01:56:32,770 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 2675 transitions. [2019-11-20 01:56:32,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-11-20 01:56:32,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:32,877 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2019-11-20 01:56:33,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:33,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2798 states to 981 states and 2676 transitions. [2019-11-20 01:56:33,004 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 2676 transitions. [2019-11-20 01:56:33,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-11-20 01:56:33,007 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:33,116 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2019-11-20 01:56:33,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:33,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2803 states to 982 states and 2681 transitions. [2019-11-20 01:56:33,152 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 2681 transitions. [2019-11-20 01:56:33,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-11-20 01:56:33,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:33,280 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 13 proven. 22 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2019-11-20 01:56:34,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:34,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2808 states to 985 states and 2686 transitions. [2019-11-20 01:56:34,472 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 2686 transitions. [2019-11-20 01:56:34,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-11-20 01:56:34,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:34,593 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2019-11-20 01:56:35,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:35,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2814 states to 988 states and 2692 transitions. [2019-11-20 01:56:35,462 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states and 2692 transitions. [2019-11-20 01:56:35,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-11-20 01:56:35,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:35,580 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2019-11-20 01:56:38,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:38,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2860 states to 996 states and 2737 transitions. [2019-11-20 01:56:38,484 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 2737 transitions. [2019-11-20 01:56:38,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-11-20 01:56:38,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:38,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:38,595 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2019-11-20 01:56:39,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:39,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2862 states to 997 states and 2739 transitions. [2019-11-20 01:56:39,044 INFO L276 IsEmpty]: Start isEmpty. Operand 997 states and 2739 transitions. [2019-11-20 01:56:39,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-11-20 01:56:39,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:39,156 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2019-11-20 01:56:39,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:39,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2863 states to 998 states and 2740 transitions. [2019-11-20 01:56:39,179 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 2740 transitions. [2019-11-20 01:56:39,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-11-20 01:56:39,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:39,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:39,289 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2019-11-20 01:56:40,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:40,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2882 states to 1002 states and 2759 transitions. [2019-11-20 01:56:40,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1002 states and 2759 transitions. [2019-11-20 01:56:40,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-11-20 01:56:40,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:40,379 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2019-11-20 01:56:40,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:40,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2883 states to 1003 states and 2760 transitions. [2019-11-20 01:56:40,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 2760 transitions. [2019-11-20 01:56:40,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-11-20 01:56:40,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:40,564 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2019-11-20 01:56:42,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:42,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2914 states to 1009 states and 2790 transitions. [2019-11-20 01:56:42,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 2790 transitions. [2019-11-20 01:56:42,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-11-20 01:56:42,629 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:42,753 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2019-11-20 01:56:43,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:43,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2935 states to 1012 states and 2810 transitions. [2019-11-20 01:56:43,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 2810 transitions. [2019-11-20 01:56:43,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-11-20 01:56:43,919 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:44,043 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2019-11-20 01:56:45,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:45,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2970 states to 1016 states and 2844 transitions. [2019-11-20 01:56:45,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 2844 transitions. [2019-11-20 01:56:45,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-11-20 01:56:45,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:45,446 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2019-11-20 01:56:45,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:45,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2971 states to 1017 states and 2845 transitions. [2019-11-20 01:56:45,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1017 states and 2845 transitions. [2019-11-20 01:56:45,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-11-20 01:56:45,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:45,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:45,603 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 15 proven. 22 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2019-11-20 01:56:46,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:46,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2977 states to 1020 states and 2851 transitions. [2019-11-20 01:56:46,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 2851 transitions. [2019-11-20 01:56:46,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-11-20 01:56:46,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:46,527 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2019-11-20 01:56:46,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:46,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2981 states to 1023 states and 2855 transitions. [2019-11-20 01:56:46,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1023 states and 2855 transitions. [2019-11-20 01:56:46,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-11-20 01:56:46,558 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:46,672 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2019-11-20 01:56:46,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:46,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2989 states to 1028 states and 2863 transitions. [2019-11-20 01:56:46,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 2863 transitions. [2019-11-20 01:56:46,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2019-11-20 01:56:46,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:46,874 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2019-11-20 01:56:46,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:46,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2992 states to 1031 states and 2866 transitions. [2019-11-20 01:56:46,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 2866 transitions. [2019-11-20 01:56:46,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2019-11-20 01:56:46,939 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:47,404 INFO L255 TraceCheckSpWp]: Trace formula consists of 2578 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:56:47,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:56:47,477 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2019-11-20 01:56:47,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:47,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2992 states to 1033 states and 2866 transitions. [2019-11-20 01:56:47,548 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 2866 transitions. [2019-11-20 01:56:47,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-11-20 01:56:47,551 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:47,722 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2019-11-20 01:56:47,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:47,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2993 states to 1034 states and 2867 transitions. [2019-11-20 01:56:47,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 2867 transitions. [2019-11-20 01:56:47,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-11-20 01:56:47,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:47,881 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2019-11-20 01:56:47,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:47,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2996 states to 1035 states and 2870 transitions. [2019-11-20 01:56:47,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 2870 transitions. [2019-11-20 01:56:47,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-11-20 01:56:47,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:47,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:48,057 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 15 proven. 22 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2019-11-20 01:56:48,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:48,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2998 states to 1037 states and 2872 transitions. [2019-11-20 01:56:48,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 2872 transitions. [2019-11-20 01:56:48,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-11-20 01:56:48,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:48,193 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2019-11-20 01:56:48,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:48,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2998 states to 1038 states and 2872 transitions. [2019-11-20 01:56:48,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 2872 transitions. [2019-11-20 01:56:48,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-11-20 01:56:48,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:48,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:48,669 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2019-11-20 01:56:48,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:48,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3003 states to 1039 states and 2877 transitions. [2019-11-20 01:56:48,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 2877 transitions. [2019-11-20 01:56:48,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-11-20 01:56:48,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:48,837 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2019-11-20 01:56:49,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:49,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3006 states to 1041 states and 2880 transitions. [2019-11-20 01:56:49,346 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 2880 transitions. [2019-11-20 01:56:49,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-11-20 01:56:49,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:49,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:49,455 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2019-11-20 01:56:49,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:49,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3007 states to 1042 states and 2881 transitions. [2019-11-20 01:56:49,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 2881 transitions. [2019-11-20 01:56:49,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-11-20 01:56:49,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:49,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:49,615 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2019-11-20 01:56:49,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:49,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3008 states to 1043 states and 2882 transitions. [2019-11-20 01:56:49,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 2882 transitions. [2019-11-20 01:56:49,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-11-20 01:56:49,681 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:49,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:49,801 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2019-11-20 01:56:49,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:49,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3009 states to 1044 states and 2883 transitions. [2019-11-20 01:56:49,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 2883 transitions. [2019-11-20 01:56:49,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-11-20 01:56:49,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:50,015 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2019-11-20 01:56:50,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:50,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3016 states to 1048 states and 2890 transitions. [2019-11-20 01:56:50,838 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 2890 transitions. [2019-11-20 01:56:50,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-11-20 01:56:50,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:50,938 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2019-11-20 01:56:52,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:52,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3054 states to 1052 states and 2927 transitions. [2019-11-20 01:56:52,560 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 2927 transitions. [2019-11-20 01:56:52,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2019-11-20 01:56:52,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:52,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:52,794 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2019-11-20 01:56:53,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:53,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3056 states to 1054 states and 2929 transitions. [2019-11-20 01:56:53,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 2929 transitions. [2019-11-20 01:56:53,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2019-11-20 01:56:53,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:53,285 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2019-11-20 01:56:53,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:53,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3069 states to 1061 states and 2942 transitions. [2019-11-20 01:56:53,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 2942 transitions. [2019-11-20 01:56:53,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-11-20 01:56:53,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:53,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 2531 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:56:53,754 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:56:53,797 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2019-11-20 01:56:53,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:53,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3074 states to 1067 states and 2947 transitions. [2019-11-20 01:56:53,870 INFO L276 IsEmpty]: Start isEmpty. Operand 1067 states and 2947 transitions. [2019-11-20 01:56:53,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2019-11-20 01:56:53,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:53,971 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2019-11-20 01:56:54,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:54,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3075 states to 1068 states and 2948 transitions. [2019-11-20 01:56:54,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 2948 transitions. [2019-11-20 01:56:54,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2019-11-20 01:56:54,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:54,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:54,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 2518 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:56:54,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:56:54,449 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2019-11-20 01:56:54,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:54,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3075 states to 1069 states and 2948 transitions. [2019-11-20 01:56:54,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 2948 transitions. [2019-11-20 01:56:54,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2019-11-20 01:56:54,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:54,593 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2019-11-20 01:56:54,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:54,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3090 states to 1076 states and 2963 transitions. [2019-11-20 01:56:54,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 2963 transitions. [2019-11-20 01:56:54,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2019-11-20 01:56:54,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:54,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:54,753 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2019-11-20 01:56:54,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:54,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3091 states to 1077 states and 2964 transitions. [2019-11-20 01:56:54,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1077 states and 2964 transitions. [2019-11-20 01:56:54,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2019-11-20 01:56:54,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:54,877 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2019-11-20 01:56:55,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:55,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3096 states to 1080 states and 2969 transitions. [2019-11-20 01:56:55,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 2969 transitions. [2019-11-20 01:56:55,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2019-11-20 01:56:55,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:55,618 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2019-11-20 01:56:55,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:55,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3099 states to 1081 states and 2972 transitions. [2019-11-20 01:56:55,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 2972 transitions. [2019-11-20 01:56:55,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2019-11-20 01:56:55,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:55,774 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2019-11-20 01:56:55,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:55,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3104 states to 1082 states and 2977 transitions. [2019-11-20 01:56:55,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 2977 transitions. [2019-11-20 01:56:55,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2019-11-20 01:56:55,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:55,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:55,916 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2019-11-20 01:56:57,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:57,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3123 states to 1086 states and 2995 transitions. [2019-11-20 01:56:57,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 2995 transitions. [2019-11-20 01:56:57,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2019-11-20 01:56:57,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:57,479 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2019-11-20 01:56:57,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:57,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3127 states to 1087 states and 2999 transitions. [2019-11-20 01:56:57,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 2999 transitions. [2019-11-20 01:56:57,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2019-11-20 01:56:57,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:58,108 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2019-11-20 01:56:59,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:59,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3135 states to 1090 states and 3007 transitions. [2019-11-20 01:56:59,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 3007 transitions. [2019-11-20 01:56:59,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2019-11-20 01:56:59,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:59,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:59,137 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2019-11-20 01:56:59,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:59,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3136 states to 1091 states and 3008 transitions. [2019-11-20 01:56:59,210 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 3008 transitions. [2019-11-20 01:56:59,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2019-11-20 01:56:59,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:59,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:59,337 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2019-11-20 01:56:59,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:59,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3137 states to 1092 states and 3009 transitions. [2019-11-20 01:56:59,388 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 3009 transitions. [2019-11-20 01:56:59,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2019-11-20 01:56:59,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:59,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:59,486 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2019-11-20 01:56:59,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:59,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3138 states to 1093 states and 3010 transitions. [2019-11-20 01:56:59,559 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 3010 transitions. [2019-11-20 01:56:59,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2019-11-20 01:56:59,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:59,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:56:59,657 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2019-11-20 01:56:59,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:56:59,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3138 states to 1094 states and 3010 transitions. [2019-11-20 01:56:59,923 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 3010 transitions. [2019-11-20 01:56:59,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2019-11-20 01:56:59,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:56:59,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:00,034 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2019-11-20 01:57:00,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:00,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3145 states to 1098 states and 3017 transitions. [2019-11-20 01:57:00,077 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 3017 transitions. [2019-11-20 01:57:00,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-11-20 01:57:00,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:00,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:00,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 2553 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:57:00,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:57:00,732 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 494 trivial. 0 not checked. [2019-11-20 01:57:00,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:00,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3147 states to 1105 states and 3019 transitions. [2019-11-20 01:57:00,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 3019 transitions. [2019-11-20 01:57:00,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-11-20 01:57:00,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:00,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:00,942 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2019-11-20 01:57:00,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:00,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3151 states to 1108 states and 3023 transitions. [2019-11-20 01:57:00,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 3023 transitions. [2019-11-20 01:57:00,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-11-20 01:57:00,975 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:01,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:01,117 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2019-11-20 01:57:01,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:01,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3155 states to 1111 states and 3027 transitions. [2019-11-20 01:57:01,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 3027 transitions. [2019-11-20 01:57:01,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2019-11-20 01:57:01,196 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:01,363 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2019-11-20 01:57:01,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:01,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3162 states to 1116 states and 3034 transitions. [2019-11-20 01:57:01,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 3034 transitions. [2019-11-20 01:57:01,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2019-11-20 01:57:01,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:01,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:01,628 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2019-11-20 01:57:01,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:01,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3163 states to 1117 states and 3035 transitions. [2019-11-20 01:57:01,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 3035 transitions. [2019-11-20 01:57:01,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2019-11-20 01:57:01,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:01,764 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2019-11-20 01:57:01,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:01,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3166 states to 1120 states and 3038 transitions. [2019-11-20 01:57:01,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 3038 transitions. [2019-11-20 01:57:01,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2019-11-20 01:57:01,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:01,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:01,942 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2019-11-20 01:57:01,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:01,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3167 states to 1121 states and 3039 transitions. [2019-11-20 01:57:01,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 3039 transitions. [2019-11-20 01:57:01,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2019-11-20 01:57:01,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:02,064 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2019-11-20 01:57:02,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:02,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3182 states to 1128 states and 3054 transitions. [2019-11-20 01:57:02,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 3054 transitions. [2019-11-20 01:57:02,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-11-20 01:57:02,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:02,233 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2019-11-20 01:57:02,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:02,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3185 states to 1130 states and 3057 transitions. [2019-11-20 01:57:02,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 3057 transitions. [2019-11-20 01:57:02,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-11-20 01:57:02,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:02,354 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2019-11-20 01:57:02,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:02,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3186 states to 1131 states and 3058 transitions. [2019-11-20 01:57:02,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 3058 transitions. [2019-11-20 01:57:02,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-11-20 01:57:02,383 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:02,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:02,478 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2019-11-20 01:57:02,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:02,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3187 states to 1132 states and 3059 transitions. [2019-11-20 01:57:02,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 3059 transitions. [2019-11-20 01:57:02,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-11-20 01:57:02,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:02,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:02,635 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2019-11-20 01:57:02,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:02,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3195 states to 1137 states and 3067 transitions. [2019-11-20 01:57:02,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 3067 transitions. [2019-11-20 01:57:02,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-11-20 01:57:02,684 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:02,777 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2019-11-20 01:57:03,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:03,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3197 states to 1140 states and 3069 transitions. [2019-11-20 01:57:03,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 3069 transitions. [2019-11-20 01:57:03,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-11-20 01:57:03,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:03,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:04,004 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2019-11-20 01:57:04,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:04,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3199 states to 1142 states and 3071 transitions. [2019-11-20 01:57:04,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1142 states and 3071 transitions. [2019-11-20 01:57:04,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-11-20 01:57:04,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:04,403 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2019-11-20 01:57:04,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:04,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3200 states to 1143 states and 3072 transitions. [2019-11-20 01:57:04,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 3072 transitions. [2019-11-20 01:57:04,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-11-20 01:57:04,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:04,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:04,546 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2019-11-20 01:57:04,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:04,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3203 states to 1144 states and 3075 transitions. [2019-11-20 01:57:04,596 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 3075 transitions. [2019-11-20 01:57:04,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-11-20 01:57:04,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:04,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:04,701 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2019-11-20 01:57:04,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:04,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 1145 states and 3080 transitions. [2019-11-20 01:57:04,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 3080 transitions. [2019-11-20 01:57:04,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-11-20 01:57:04,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:04,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:04,844 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2019-11-20 01:57:06,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:06,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3214 states to 1149 states and 3086 transitions. [2019-11-20 01:57:06,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 3086 transitions. [2019-11-20 01:57:06,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-11-20 01:57:06,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:06,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:06,191 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2019-11-20 01:57:06,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:06,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3240 states to 1151 states and 3111 transitions. [2019-11-20 01:57:06,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 3111 transitions. [2019-11-20 01:57:06,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-11-20 01:57:06,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:06,897 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2019-11-20 01:57:06,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:06,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3241 states to 1152 states and 3112 transitions. [2019-11-20 01:57:06,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 3112 transitions. [2019-11-20 01:57:06,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-11-20 01:57:06,946 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:06,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:07,253 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2019-11-20 01:57:07,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:07,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3242 states to 1153 states and 3113 transitions. [2019-11-20 01:57:07,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 3113 transitions. [2019-11-20 01:57:07,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-11-20 01:57:07,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:07,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:07,415 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2019-11-20 01:57:07,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:07,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3242 states to 1154 states and 3113 transitions. [2019-11-20 01:57:07,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 3113 transitions. [2019-11-20 01:57:07,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-11-20 01:57:07,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:08,056 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 8 proven. 18 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2019-11-20 01:57:08,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:08,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3255 states to 1161 states and 3126 transitions. [2019-11-20 01:57:08,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 3126 transitions. [2019-11-20 01:57:08,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-11-20 01:57:08,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:08,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:08,525 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2019-11-20 01:57:08,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:08,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3266 states to 1167 states and 3137 transitions. [2019-11-20 01:57:08,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 3137 transitions. [2019-11-20 01:57:08,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-11-20 01:57:08,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:08,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 2545 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:57:08,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:57:09,041 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2019-11-20 01:57:09,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:09,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3266 states to 1168 states and 3137 transitions. [2019-11-20 01:57:09,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 3137 transitions. [2019-11-20 01:57:09,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2019-11-20 01:57:09,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:09,197 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2019-11-20 01:57:09,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:09,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3275 states to 1174 states and 3146 transitions. [2019-11-20 01:57:09,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 3146 transitions. [2019-11-20 01:57:09,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-11-20 01:57:09,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:09,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:09,369 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2019-11-20 01:57:09,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:09,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3276 states to 1175 states and 3147 transitions. [2019-11-20 01:57:09,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 3147 transitions. [2019-11-20 01:57:09,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-11-20 01:57:09,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:09,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:09,496 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2019-11-20 01:57:09,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:09,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3277 states to 1176 states and 3148 transitions. [2019-11-20 01:57:09,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 3148 transitions. [2019-11-20 01:57:09,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-11-20 01:57:09,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:09,639 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2019-11-20 01:57:11,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:11,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3323 states to 1181 states and 3194 transitions. [2019-11-20 01:57:11,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 3194 transitions. [2019-11-20 01:57:11,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-11-20 01:57:11,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:11,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:11,209 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2019-11-20 01:57:11,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:11,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3324 states to 1182 states and 3195 transitions. [2019-11-20 01:57:11,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 3195 transitions. [2019-11-20 01:57:11,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-11-20 01:57:11,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:11,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:11,361 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2019-11-20 01:57:11,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:11,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3329 states to 1183 states and 3200 transitions. [2019-11-20 01:57:11,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 3200 transitions. [2019-11-20 01:57:11,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-11-20 01:57:11,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:11,551 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2019-11-20 01:57:11,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:11,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3332 states to 1184 states and 3203 transitions. [2019-11-20 01:57:11,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 3203 transitions. [2019-11-20 01:57:11,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-11-20 01:57:11,605 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:11,704 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2019-11-20 01:57:12,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:12,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3340 states to 1187 states and 3211 transitions. [2019-11-20 01:57:12,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 3211 transitions. [2019-11-20 01:57:12,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-11-20 01:57:12,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:12,355 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2019-11-20 01:57:13,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:13,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3367 states to 1190 states and 3238 transitions. [2019-11-20 01:57:13,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 3238 transitions. [2019-11-20 01:57:13,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-11-20 01:57:13,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:13,521 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 43 proven. 10 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2019-11-20 01:57:18,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:18,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3421 states to 1198 states and 3274 transitions. [2019-11-20 01:57:18,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 3274 transitions. [2019-11-20 01:57:18,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-11-20 01:57:18,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:18,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:18,397 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2019-11-20 01:57:19,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:19,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3424 states to 1198 states and 3272 transitions. [2019-11-20 01:57:19,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 3272 transitions. [2019-11-20 01:57:19,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2019-11-20 01:57:19,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:19,692 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 37 proven. 9 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2019-11-20 01:57:19,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:19,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3425 states to 1199 states and 3273 transitions. [2019-11-20 01:57:19,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1199 states and 3273 transitions. [2019-11-20 01:57:19,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2019-11-20 01:57:19,744 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:19,847 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2019-11-20 01:57:19,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:20,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3430 states to 1202 states and 3278 transitions. [2019-11-20 01:57:20,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1202 states and 3278 transitions. [2019-11-20 01:57:20,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-11-20 01:57:20,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:20,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 2534 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:57:20,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:57:20,457 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2019-11-20 01:57:20,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:20,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3430 states to 1203 states and 3278 transitions. [2019-11-20 01:57:20,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 3278 transitions. [2019-11-20 01:57:20,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2019-11-20 01:57:20,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:21,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 2519 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:57:21,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:57:21,402 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2019-11-20 01:57:21,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:21,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3435 states to 1210 states and 3283 transitions. [2019-11-20 01:57:21,517 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 3283 transitions. [2019-11-20 01:57:21,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2019-11-20 01:57:21,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:21,643 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 38 proven. 9 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2019-11-20 01:57:21,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:21,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3436 states to 1211 states and 3284 transitions. [2019-11-20 01:57:21,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 3284 transitions. [2019-11-20 01:57:21,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-11-20 01:57:21,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:21,797 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2019-11-20 01:57:21,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:21,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3439 states to 1214 states and 3287 transitions. [2019-11-20 01:57:21,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1214 states and 3287 transitions. [2019-11-20 01:57:21,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-11-20 01:57:21,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:21,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:22,025 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2019-11-20 01:57:22,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:22,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3440 states to 1215 states and 3288 transitions. [2019-11-20 01:57:22,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 3288 transitions. [2019-11-20 01:57:22,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-11-20 01:57:22,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:22,209 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 39 proven. 9 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2019-11-20 01:57:22,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:22,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3441 states to 1216 states and 3289 transitions. [2019-11-20 01:57:22,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 3289 transitions. [2019-11-20 01:57:22,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-11-20 01:57:22,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:22,346 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2019-11-20 01:57:22,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:22,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3442 states to 1217 states and 3290 transitions. [2019-11-20 01:57:22,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 3290 transitions. [2019-11-20 01:57:22,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-11-20 01:57:22,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:22,538 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2019-11-20 01:57:22,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:22,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3443 states to 1218 states and 3291 transitions. [2019-11-20 01:57:22,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 3291 transitions. [2019-11-20 01:57:22,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-11-20 01:57:22,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:22,676 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2019-11-20 01:57:22,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:22,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3444 states to 1219 states and 3292 transitions. [2019-11-20 01:57:22,707 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 3292 transitions. [2019-11-20 01:57:22,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2019-11-20 01:57:22,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:22,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:22,804 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2019-11-20 01:57:22,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:22,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3445 states to 1220 states and 3293 transitions. [2019-11-20 01:57:22,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1220 states and 3293 transitions. [2019-11-20 01:57:22,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2019-11-20 01:57:22,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:22,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:22,972 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 39 proven. 9 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2019-11-20 01:57:23,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:23,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3446 states to 1221 states and 3294 transitions. [2019-11-20 01:57:23,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 3294 transitions. [2019-11-20 01:57:23,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-11-20 01:57:23,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:23,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:23,116 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2019-11-20 01:57:23,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:23,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3453 states to 1225 states and 3301 transitions. [2019-11-20 01:57:23,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 3301 transitions. [2019-11-20 01:57:23,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2019-11-20 01:57:23,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:23,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:23,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 2542 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:57:23,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:57:23,618 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2019-11-20 01:57:24,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:24,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3464 states to 1230 states and 3312 transitions. [2019-11-20 01:57:24,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 3312 transitions. [2019-11-20 01:57:24,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-11-20 01:57:24,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:25,026 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2019-11-20 01:57:25,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:25,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3471 states to 1235 states and 3319 transitions. [2019-11-20 01:57:25,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 3319 transitions. [2019-11-20 01:57:25,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-11-20 01:57:25,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:25,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:25,231 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2019-11-20 01:57:25,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:25,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3472 states to 1236 states and 3320 transitions. [2019-11-20 01:57:25,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 3320 transitions. [2019-11-20 01:57:25,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-11-20 01:57:25,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:25,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:25,412 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2019-11-20 01:57:25,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:25,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3475 states to 1239 states and 3323 transitions. [2019-11-20 01:57:25,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 3323 transitions. [2019-11-20 01:57:25,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2019-11-20 01:57:25,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:25,801 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2019-11-20 01:57:25,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:25,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3476 states to 1240 states and 3324 transitions. [2019-11-20 01:57:25,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 3324 transitions. [2019-11-20 01:57:25,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-11-20 01:57:25,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:25,939 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 39 proven. 9 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked. [2019-11-20 01:57:25,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:25,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3477 states to 1241 states and 3325 transitions. [2019-11-20 01:57:25,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 3325 transitions. [2019-11-20 01:57:25,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-11-20 01:57:25,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:26,075 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2019-11-20 01:57:26,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:26,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3478 states to 1242 states and 3326 transitions. [2019-11-20 01:57:26,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1242 states and 3326 transitions. [2019-11-20 01:57:26,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-11-20 01:57:26,145 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:26,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:26,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 2544 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:57:26,553 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:57:26,598 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2019-11-20 01:57:27,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:27,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3480 states to 1244 states and 3328 transitions. [2019-11-20 01:57:27,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 3328 transitions. [2019-11-20 01:57:27,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-11-20 01:57:27,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:27,502 INFO L255 TraceCheckSpWp]: Trace formula consists of 2544 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:57:27,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:57:27,550 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2019-11-20 01:57:28,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:28,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3480 states to 1245 states and 3328 transitions. [2019-11-20 01:57:28,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 3328 transitions. [2019-11-20 01:57:28,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-11-20 01:57:28,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:28,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 2544 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:57:28,510 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:57:28,557 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2019-11-20 01:57:28,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:28,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3481 states to 1246 states and 3329 transitions. [2019-11-20 01:57:28,823 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 3329 transitions. [2019-11-20 01:57:28,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-11-20 01:57:28,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:29,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 2544 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:57:29,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:57:29,282 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2019-11-20 01:57:29,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:29,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3484 states to 1248 states and 3332 transitions. [2019-11-20 01:57:29,346 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 3332 transitions. [2019-11-20 01:57:29,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-11-20 01:57:29,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:29,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:29,448 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2019-11-20 01:57:29,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:29,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3495 states to 1254 states and 3343 transitions. [2019-11-20 01:57:29,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 3343 transitions. [2019-11-20 01:57:29,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-11-20 01:57:29,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:29,602 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2019-11-20 01:57:29,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:29,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3496 states to 1255 states and 3344 transitions. [2019-11-20 01:57:29,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 3344 transitions. [2019-11-20 01:57:29,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-11-20 01:57:29,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:29,730 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2019-11-20 01:57:30,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:30,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3493 states to 1255 states and 3341 transitions. [2019-11-20 01:57:30,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 3341 transitions. [2019-11-20 01:57:30,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-11-20 01:57:30,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:30,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:30,141 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2019-11-20 01:57:30,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:30,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3494 states to 1256 states and 3342 transitions. [2019-11-20 01:57:30,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 3342 transitions. [2019-11-20 01:57:30,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-11-20 01:57:30,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:30,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:30,281 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2019-11-20 01:57:30,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:30,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3502 states to 1261 states and 3350 transitions. [2019-11-20 01:57:30,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 3350 transitions. [2019-11-20 01:57:30,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-11-20 01:57:30,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:30,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:30,422 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 31 proven. 5 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2019-11-20 01:57:30,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:30,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3503 states to 1262 states and 3351 transitions. [2019-11-20 01:57:30,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1262 states and 3351 transitions. [2019-11-20 01:57:30,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-11-20 01:57:30,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:30,597 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2019-11-20 01:57:30,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:30,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3504 states to 1263 states and 3352 transitions. [2019-11-20 01:57:30,665 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 3352 transitions. [2019-11-20 01:57:30,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2019-11-20 01:57:30,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:31,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:31,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 2546 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:57:31,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:57:31,124 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2019-11-20 01:57:31,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:31,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3504 states to 1264 states and 3352 transitions. [2019-11-20 01:57:31,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 3352 transitions. [2019-11-20 01:57:31,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2019-11-20 01:57:31,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:32,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 2546 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:57:32,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:57:32,322 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2019-11-20 01:57:32,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:32,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3506 states to 1266 states and 3354 transitions. [2019-11-20 01:57:32,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 3354 transitions. [2019-11-20 01:57:32,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2019-11-20 01:57:32,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:33,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:33,278 INFO L255 TraceCheckSpWp]: Trace formula consists of 2546 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:57:33,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:57:33,326 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2019-11-20 01:57:33,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:33,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3509 states to 1268 states and 3357 transitions. [2019-11-20 01:57:33,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1268 states and 3357 transitions. [2019-11-20 01:57:33,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-11-20 01:57:33,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:33,492 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 28 proven. 5 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2019-11-20 01:57:34,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:34,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3517 states to 1273 states and 3365 transitions. [2019-11-20 01:57:34,113 INFO L276 IsEmpty]: Start isEmpty. Operand 1273 states and 3365 transitions. [2019-11-20 01:57:34,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-11-20 01:57:34,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:34,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:34,422 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2019-11-20 01:57:34,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:34,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3517 states to 1274 states and 3365 transitions. [2019-11-20 01:57:34,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 3365 transitions. [2019-11-20 01:57:34,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-11-20 01:57:34,467 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:34,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:34,563 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2019-11-20 01:57:34,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:34,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3518 states to 1275 states and 3366 transitions. [2019-11-20 01:57:34,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 3366 transitions. [2019-11-20 01:57:34,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-11-20 01:57:34,595 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:34,688 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2019-11-20 01:57:34,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:34,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3519 states to 1276 states and 3367 transitions. [2019-11-20 01:57:34,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 3367 transitions. [2019-11-20 01:57:34,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-11-20 01:57:34,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:34,851 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 29 proven. 5 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2019-11-20 01:57:34,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:34,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3527 states to 1281 states and 3375 transitions. [2019-11-20 01:57:34,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 3375 transitions. [2019-11-20 01:57:34,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2019-11-20 01:57:34,887 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:35,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 2548 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:57:35,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:57:35,330 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2019-11-20 01:57:35,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:35,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3530 states to 1283 states and 3378 transitions. [2019-11-20 01:57:35,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 3378 transitions. [2019-11-20 01:57:35,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2019-11-20 01:57:35,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:35,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:35,490 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 19 proven. 5 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2019-11-20 01:57:35,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:35,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3548 states to 1293 states and 3396 transitions. [2019-11-20 01:57:35,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 3396 transitions. [2019-11-20 01:57:35,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-11-20 01:57:35,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:35,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:35,953 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2019-11-20 01:57:35,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:35,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3549 states to 1294 states and 3397 transitions. [2019-11-20 01:57:35,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1294 states and 3397 transitions. [2019-11-20 01:57:35,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-11-20 01:57:35,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:36,096 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2019-11-20 01:57:36,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:36,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3549 states to 1295 states and 3397 transitions. [2019-11-20 01:57:36,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1295 states and 3397 transitions. [2019-11-20 01:57:36,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-11-20 01:57:36,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:36,223 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2019-11-20 01:57:36,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:36,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3555 states to 1298 states and 3403 transitions. [2019-11-20 01:57:36,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1298 states and 3403 transitions. [2019-11-20 01:57:36,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-11-20 01:57:36,487 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:36,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:36,590 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2019-11-20 01:57:37,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:37,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3572 states to 1301 states and 3420 transitions. [2019-11-20 01:57:37,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1301 states and 3420 transitions. [2019-11-20 01:57:37,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-11-20 01:57:37,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:37,250 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2019-11-20 01:57:37,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:37,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3573 states to 1302 states and 3421 transitions. [2019-11-20 01:57:37,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1302 states and 3421 transitions. [2019-11-20 01:57:37,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-11-20 01:57:37,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:37,412 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2019-11-20 01:57:37,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:37,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3576 states to 1304 states and 3424 transitions. [2019-11-20 01:57:37,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1304 states and 3424 transitions. [2019-11-20 01:57:37,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-11-20 01:57:37,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:38,026 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2019-11-20 01:57:38,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:38,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3594 states to 1307 states and 3442 transitions. [2019-11-20 01:57:38,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 3442 transitions. [2019-11-20 01:57:38,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-11-20 01:57:38,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:38,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:38,762 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2019-11-20 01:57:38,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:38,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3598 states to 1310 states and 3446 transitions. [2019-11-20 01:57:38,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1310 states and 3446 transitions. [2019-11-20 01:57:38,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2019-11-20 01:57:38,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:39,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:39,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 2552 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:57:39,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:57:39,226 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2019-11-20 01:57:39,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:39,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3598 states to 1311 states and 3446 transitions. [2019-11-20 01:57:39,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 3446 transitions. [2019-11-20 01:57:39,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2019-11-20 01:57:39,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:40,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 2550 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:57:40,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:57:40,234 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2019-11-20 01:57:40,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:40,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3601 states to 1313 states and 3449 transitions. [2019-11-20 01:57:40,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 3449 transitions. [2019-11-20 01:57:40,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2019-11-20 01:57:40,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:40,404 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2019-11-20 01:57:40,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:40,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3602 states to 1314 states and 3450 transitions. [2019-11-20 01:57:40,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 3450 transitions. [2019-11-20 01:57:40,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2019-11-20 01:57:40,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:40,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:40,560 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2019-11-20 01:57:40,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:40,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3603 states to 1315 states and 3451 transitions. [2019-11-20 01:57:40,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 3451 transitions. [2019-11-20 01:57:40,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2019-11-20 01:57:40,595 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:40,691 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2019-11-20 01:57:40,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:40,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3604 states to 1316 states and 3452 transitions. [2019-11-20 01:57:40,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 3452 transitions. [2019-11-20 01:57:40,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2019-11-20 01:57:40,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:40,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:40,822 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2019-11-20 01:57:40,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:40,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3620 states to 1323 states and 3468 transitions. [2019-11-20 01:57:40,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1323 states and 3468 transitions. [2019-11-20 01:57:40,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2019-11-20 01:57:40,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:40,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:40,954 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2019-11-20 01:57:41,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:41,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3621 states to 1324 states and 3469 transitions. [2019-11-20 01:57:41,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1324 states and 3469 transitions. [2019-11-20 01:57:41,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2019-11-20 01:57:41,214 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:41,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:41,467 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2019-11-20 01:57:41,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:41,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3632 states to 1331 states and 3480 transitions. [2019-11-20 01:57:41,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 3480 transitions. [2019-11-20 01:57:41,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-11-20 01:57:41,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:42,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:42,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 2556 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:57:42,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:57:42,180 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2019-11-20 01:57:42,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:42,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3643 states to 1334 states and 3491 transitions. [2019-11-20 01:57:42,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 3491 transitions. [2019-11-20 01:57:42,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-11-20 01:57:42,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:43,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:43,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 2554 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:57:43,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:57:43,200 INFO L134 CoverageAnalysis]: Checked inductivity of 493 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2019-11-20 01:57:43,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:43,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3648 states to 1336 states and 3496 transitions. [2019-11-20 01:57:43,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 3496 transitions. [2019-11-20 01:57:43,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-11-20 01:57:43,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:44,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:44,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 2554 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:57:44,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:57:44,200 INFO L134 CoverageAnalysis]: Checked inductivity of 493 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2019-11-20 01:57:44,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:44,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3649 states to 1337 states and 3497 transitions. [2019-11-20 01:57:44,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 3497 transitions. [2019-11-20 01:57:44,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-11-20 01:57:44,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:44,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 2552 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:57:44,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:57:44,700 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2019-11-20 01:57:44,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:44,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3651 states to 1339 states and 3499 transitions. [2019-11-20 01:57:44,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 3499 transitions. [2019-11-20 01:57:44,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-11-20 01:57:44,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:44,863 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2019-11-20 01:57:44,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:44,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3651 states to 1340 states and 3499 transitions. [2019-11-20 01:57:44,886 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 3499 transitions. [2019-11-20 01:57:44,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-11-20 01:57:44,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:44,991 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2019-11-20 01:57:45,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:45,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3651 states to 1341 states and 3499 transitions. [2019-11-20 01:57:45,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 3499 transitions. [2019-11-20 01:57:45,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-11-20 01:57:45,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:45,351 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2019-11-20 01:57:45,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:45,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3644 states to 1340 states and 3492 transitions. [2019-11-20 01:57:45,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 3492 transitions. [2019-11-20 01:57:45,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-11-20 01:57:45,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:45,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:45,496 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2019-11-20 01:57:45,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:45,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3645 states to 1341 states and 3493 transitions. [2019-11-20 01:57:45,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 3493 transitions. [2019-11-20 01:57:45,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-11-20 01:57:45,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:45,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:45,628 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2019-11-20 01:57:45,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:45,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3653 states to 1346 states and 3501 transitions. [2019-11-20 01:57:45,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 3501 transitions. [2019-11-20 01:57:45,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-11-20 01:57:45,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:45,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:45,775 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 37 proven. 10 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2019-11-20 01:57:45,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:45,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3651 states to 1346 states and 3499 transitions. [2019-11-20 01:57:45,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 3499 transitions. [2019-11-20 01:57:45,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-11-20 01:57:45,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:45,925 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 37 proven. 10 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2019-11-20 01:57:45,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:45,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3649 states to 1346 states and 3497 transitions. [2019-11-20 01:57:45,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 3497 transitions. [2019-11-20 01:57:45,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2019-11-20 01:57:45,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:46,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 2554 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:57:46,363 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:57:46,411 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2019-11-20 01:57:46,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:46,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3650 states to 1348 states and 3498 transitions. [2019-11-20 01:57:46,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 3498 transitions. [2019-11-20 01:57:46,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2019-11-20 01:57:46,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:46,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:46,595 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 38 proven. 9 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2019-11-20 01:57:47,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:47,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3653 states to 1350 states and 3501 transitions. [2019-11-20 01:57:47,475 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 3501 transitions. [2019-11-20 01:57:47,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2019-11-20 01:57:47,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:47,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:47,599 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 28 proven. 11 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2019-11-20 01:57:47,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:47,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3654 states to 1351 states and 3502 transitions. [2019-11-20 01:57:47,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 3502 transitions. [2019-11-20 01:57:47,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2019-11-20 01:57:47,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:47,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:47,778 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 28 proven. 12 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2019-11-20 01:57:48,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:48,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3654 states to 1352 states and 3502 transitions. [2019-11-20 01:57:48,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 3502 transitions. [2019-11-20 01:57:48,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2019-11-20 01:57:48,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:48,514 INFO L255 TraceCheckSpWp]: Trace formula consists of 2556 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:57:48,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:57:48,564 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2019-11-20 01:57:48,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:48,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3654 states to 1353 states and 3502 transitions. [2019-11-20 01:57:48,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1353 states and 3502 transitions. [2019-11-20 01:57:48,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2019-11-20 01:57:48,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:49,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:49,030 INFO L255 TraceCheckSpWp]: Trace formula consists of 2554 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:57:49,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:57:49,080 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 473 trivial. 0 not checked. [2019-11-20 01:57:49,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:49,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3658 states to 1356 states and 3506 transitions. [2019-11-20 01:57:49,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1356 states and 3506 transitions. [2019-11-20 01:57:49,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2019-11-20 01:57:49,437 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:49,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:49,695 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 38 proven. 9 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2019-11-20 01:57:49,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:49,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3660 states to 1357 states and 3508 transitions. [2019-11-20 01:57:49,732 INFO L276 IsEmpty]: Start isEmpty. Operand 1357 states and 3508 transitions. [2019-11-20 01:57:49,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2019-11-20 01:57:49,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:49,845 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 28 proven. 11 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2019-11-20 01:57:49,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:49,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3661 states to 1358 states and 3509 transitions. [2019-11-20 01:57:49,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1358 states and 3509 transitions. [2019-11-20 01:57:49,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2019-11-20 01:57:49,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:50,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:50,304 INFO L255 TraceCheckSpWp]: Trace formula consists of 2562 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:57:50,308 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:57:50,375 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2019-11-20 01:57:50,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:50,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3661 states to 1359 states and 3509 transitions. [2019-11-20 01:57:50,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 3509 transitions. [2019-11-20 01:57:50,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2019-11-20 01:57:50,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:50,545 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 25 proven. 8 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2019-11-20 01:57:51,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:51,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3672 states to 1365 states and 3520 transitions. [2019-11-20 01:57:51,283 INFO L276 IsEmpty]: Start isEmpty. Operand 1365 states and 3520 transitions. [2019-11-20 01:57:51,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2019-11-20 01:57:51,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:51,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:51,381 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 38 proven. 9 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2019-11-20 01:57:53,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:53,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3720 states to 1370 states and 3567 transitions. [2019-11-20 01:57:53,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1370 states and 3567 transitions. [2019-11-20 01:57:53,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2019-11-20 01:57:53,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:53,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:53,922 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 38 proven. 9 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2019-11-20 01:57:55,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:55,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3759 states to 1373 states and 3605 transitions. [2019-11-20 01:57:55,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1373 states and 3605 transitions. [2019-11-20 01:57:55,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2019-11-20 01:57:55,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:55,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:55,359 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2019-11-20 01:57:56,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:56,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3770 states to 1380 states and 3616 transitions. [2019-11-20 01:57:56,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 3616 transitions. [2019-11-20 01:57:56,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2019-11-20 01:57:56,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:56,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:57:56,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:57:56,664 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2019-11-20 01:57:56,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:56,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3770 states to 1381 states and 3616 transitions. [2019-11-20 01:57:56,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 3616 transitions. [2019-11-20 01:57:56,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2019-11-20 01:57:56,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:56,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:56,836 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 43 proven. 15 refuted. 0 times theorem prover too weak. 423 trivial. 0 not checked. [2019-11-20 01:57:57,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:57,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3785 states to 1388 states and 3631 transitions. [2019-11-20 01:57:57,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 3631 transitions. [2019-11-20 01:57:57,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2019-11-20 01:57:57,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:57,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:57,312 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2019-11-20 01:57:58,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:58,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3792 states to 1392 states and 3638 transitions. [2019-11-20 01:57:58,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 3638 transitions. [2019-11-20 01:57:58,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2019-11-20 01:57:58,421 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:58,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:58,520 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 28 proven. 11 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2019-11-20 01:57:58,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:58,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3793 states to 1393 states and 3639 transitions. [2019-11-20 01:57:58,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 3639 transitions. [2019-11-20 01:57:58,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-11-20 01:57:58,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:58,658 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2019-11-20 01:57:58,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:58,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3797 states to 1396 states and 3643 transitions. [2019-11-20 01:57:58,684 INFO L276 IsEmpty]: Start isEmpty. Operand 1396 states and 3643 transitions. [2019-11-20 01:57:58,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-11-20 01:57:58,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:58,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:58,781 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 430 trivial. 0 not checked. [2019-11-20 01:57:58,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:58,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3805 states to 1401 states and 3651 transitions. [2019-11-20 01:57:58,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1401 states and 3651 transitions. [2019-11-20 01:57:58,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2019-11-20 01:57:58,852 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:59,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:59,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 2560 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:57:59,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:57:59,299 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2019-11-20 01:57:59,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:57:59,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3807 states to 1403 states and 3653 transitions. [2019-11-20 01:57:59,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 3653 transitions. [2019-11-20 01:57:59,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2019-11-20 01:57:59,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:57:59,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:57:59,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 2558 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:57:59,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:57:59,815 INFO L134 CoverageAnalysis]: Checked inductivity of 488 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2019-11-20 01:58:00,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:00,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3807 states to 1404 states and 3653 transitions. [2019-11-20 01:58:00,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 3653 transitions. [2019-11-20 01:58:00,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-11-20 01:58:00,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:00,364 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 38 proven. 9 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2019-11-20 01:58:00,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:00,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3809 states to 1405 states and 3655 transitions. [2019-11-20 01:58:00,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1405 states and 3655 transitions. [2019-11-20 01:58:00,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-11-20 01:58:00,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:00,509 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 28 proven. 11 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2019-11-20 01:58:00,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:00,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3810 states to 1406 states and 3656 transitions. [2019-11-20 01:58:00,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 3656 transitions. [2019-11-20 01:58:00,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2019-11-20 01:58:00,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:00,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:00,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 2566 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:58:00,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:58:00,995 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2019-11-20 01:58:01,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:01,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3812 states to 1408 states and 3658 transitions. [2019-11-20 01:58:01,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1408 states and 3658 transitions. [2019-11-20 01:58:01,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2019-11-20 01:58:01,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:01,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 2566 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:58:01,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:58:01,999 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2019-11-20 01:58:02,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:02,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3815 states to 1410 states and 3661 transitions. [2019-11-20 01:58:02,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 3661 transitions. [2019-11-20 01:58:02,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2019-11-20 01:58:02,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:02,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 2566 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:58:02,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:58:03,030 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 511 trivial. 0 not checked. [2019-11-20 01:58:03,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:03,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3815 states to 1411 states and 3661 transitions. [2019-11-20 01:58:03,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 3661 transitions. [2019-11-20 01:58:03,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2019-11-20 01:58:03,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:03,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:03,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 2562 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:58:03,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:58:03,784 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2019-11-20 01:58:03,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:03,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3817 states to 1413 states and 3663 transitions. [2019-11-20 01:58:03,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 3663 transitions. [2019-11-20 01:58:03,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2019-11-20 01:58:03,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:03,953 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 29 proven. 5 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2019-11-20 01:58:04,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:04,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3823 states to 1415 states and 3669 transitions. [2019-11-20 01:58:04,268 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 3669 transitions. [2019-11-20 01:58:04,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2019-11-20 01:58:04,270 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:04,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:04,371 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 31 proven. 9 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2019-11-20 01:58:04,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:04,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3826 states to 1417 states and 3672 transitions. [2019-11-20 01:58:04,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 3672 transitions. [2019-11-20 01:58:04,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2019-11-20 01:58:04,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:04,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:04,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 2805 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:58:04,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:58:04,954 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2019-11-20 01:58:05,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:05,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3864 states to 1438 states and 3710 transitions. [2019-11-20 01:58:05,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 3710 transitions. [2019-11-20 01:58:05,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2019-11-20 01:58:05,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:05,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:05,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 2785 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:58:05,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:58:05,579 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 448 trivial. 0 not checked. [2019-11-20 01:58:05,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:05,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3869 states to 1442 states and 3715 transitions. [2019-11-20 01:58:05,639 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 3715 transitions. [2019-11-20 01:58:05,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2019-11-20 01:58:05,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:05,781 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 29 proven. 5 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2019-11-20 01:58:05,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:05,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3884 states to 1449 states and 3730 transitions. [2019-11-20 01:58:05,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states and 3730 transitions. [2019-11-20 01:58:05,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2019-11-20 01:58:05,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:05,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:06,014 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 28 proven. 11 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2019-11-20 01:58:06,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:06,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3885 states to 1450 states and 3731 transitions. [2019-11-20 01:58:06,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states and 3731 transitions. [2019-11-20 01:58:06,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2019-11-20 01:58:06,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:06,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 2564 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:58:06,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:58:06,574 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2019-11-20 01:58:06,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:06,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3887 states to 1452 states and 3733 transitions. [2019-11-20 01:58:06,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 3733 transitions. [2019-11-20 01:58:06,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2019-11-20 01:58:06,647 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:06,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:06,759 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 29 proven. 5 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2019-11-20 01:58:06,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:06,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3901 states to 1459 states and 3747 transitions. [2019-11-20 01:58:06,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1459 states and 3747 transitions. [2019-11-20 01:58:06,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2019-11-20 01:58:06,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:07,263 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 36 proven. 5 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2019-11-20 01:58:07,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:07,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3916 states to 1460 states and 3755 transitions. [2019-11-20 01:58:07,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 3755 transitions. [2019-11-20 01:58:07,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2019-11-20 01:58:07,603 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:07,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:07,728 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 59 proven. 15 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2019-11-20 01:58:07,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:07,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3918 states to 1462 states and 3757 transitions. [2019-11-20 01:58:07,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 3757 transitions. [2019-11-20 01:58:07,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2019-11-20 01:58:07,770 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:07,885 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 28 proven. 11 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2019-11-20 01:58:07,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:07,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 1463 states and 3759 transitions. [2019-11-20 01:58:07,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 3759 transitions. [2019-11-20 01:58:07,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2019-11-20 01:58:07,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:08,036 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 32 proven. 11 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2019-11-20 01:58:08,374 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2019-11-20 01:58:08,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:08,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3928 states to 1468 states and 3767 transitions. [2019-11-20 01:58:08,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 3767 transitions. [2019-11-20 01:58:08,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2019-11-20 01:58:08,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:09,276 INFO L255 TraceCheckSpWp]: Trace formula consists of 2597 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:58:09,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:58:09,335 INFO L134 CoverageAnalysis]: Checked inductivity of 531 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 531 trivial. 0 not checked. [2019-11-20 01:58:09,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:09,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3928 states to 1469 states and 3767 transitions. [2019-11-20 01:58:09,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 3767 transitions. [2019-11-20 01:58:09,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2019-11-20 01:58:09,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:09,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:09,488 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 28 proven. 5 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2019-11-20 01:58:09,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:09,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3929 states to 1470 states and 3768 transitions. [2019-11-20 01:58:09,527 INFO L276 IsEmpty]: Start isEmpty. Operand 1470 states and 3768 transitions. [2019-11-20 01:58:09,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2019-11-20 01:58:09,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:09,629 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 24 proven. 5 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2019-11-20 01:58:09,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:09,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3930 states to 1471 states and 3769 transitions. [2019-11-20 01:58:09,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 3769 transitions. [2019-11-20 01:58:09,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2019-11-20 01:58:09,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:09,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:09,767 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 27 proven. 9 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2019-11-20 01:58:09,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:09,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3940 states to 1477 states and 3779 transitions. [2019-11-20 01:58:09,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 3779 transitions. [2019-11-20 01:58:09,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2019-11-20 01:58:09,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:09,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:10,205 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2019-11-20 01:58:11,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:11,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3949 states to 1479 states and 3788 transitions. [2019-11-20 01:58:11,173 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 3788 transitions. [2019-11-20 01:58:11,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2019-11-20 01:58:11,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:11,292 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 31 proven. 11 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2019-11-20 01:58:11,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:11,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3957 states to 1484 states and 3796 transitions. [2019-11-20 01:58:11,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 3796 transitions. [2019-11-20 01:58:11,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2019-11-20 01:58:11,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:11,451 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 31 proven. 9 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2019-11-20 01:58:11,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:11,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3961 states to 1487 states and 3800 transitions. [2019-11-20 01:58:11,499 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 3800 transitions. [2019-11-20 01:58:11,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2019-11-20 01:58:11,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:11,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:11,603 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2019-11-20 01:58:11,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:11,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3962 states to 1488 states and 3801 transitions. [2019-11-20 01:58:11,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 3801 transitions. [2019-11-20 01:58:11,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2019-11-20 01:58:11,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:12,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 2612 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:58:12,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:58:12,094 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 515 trivial. 0 not checked. [2019-11-20 01:58:12,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:12,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3962 states to 1489 states and 3801 transitions. [2019-11-20 01:58:12,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 3801 transitions. [2019-11-20 01:58:12,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2019-11-20 01:58:12,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:12,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 3017 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:58:12,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:58:12,706 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2019-11-20 01:58:12,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:12,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3976 states to 1508 states and 3815 transitions. [2019-11-20 01:58:12,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1508 states and 3815 transitions. [2019-11-20 01:58:12,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2019-11-20 01:58:12,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:13,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 2997 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:58:13,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:58:13,360 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2019-11-20 01:58:13,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:13,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3976 states to 1510 states and 3815 transitions. [2019-11-20 01:58:13,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 3815 transitions. [2019-11-20 01:58:13,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2019-11-20 01:58:13,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:13,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 3031 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:58:13,908 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:58:13,964 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2019-11-20 01:58:14,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:14,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3976 states to 1511 states and 3815 transitions. [2019-11-20 01:58:14,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1511 states and 3815 transitions. [2019-11-20 01:58:14,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2019-11-20 01:58:14,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:14,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 3062 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:58:14,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:58:14,604 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2019-11-20 01:58:14,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:14,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3976 states to 1513 states and 3815 transitions. [2019-11-20 01:58:14,659 INFO L276 IsEmpty]: Start isEmpty. Operand 1513 states and 3815 transitions. [2019-11-20 01:58:14,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2019-11-20 01:58:14,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:15,193 INFO L255 TraceCheckSpWp]: Trace formula consists of 3149 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:58:15,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:58:15,291 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2019-11-20 01:58:15,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:15,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3979 states to 1515 states and 3818 transitions. [2019-11-20 01:58:15,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 3818 transitions. [2019-11-20 01:58:15,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2019-11-20 01:58:15,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:15,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:15,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 3335 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:58:15,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:58:15,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1031 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1031 trivial. 0 not checked. [2019-11-20 01:58:16,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:16,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3988 states to 1531 states and 3827 transitions. [2019-11-20 01:58:16,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 3827 transitions. [2019-11-20 01:58:16,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2019-11-20 01:58:16,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:16,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:16,791 INFO L255 TraceCheckSpWp]: Trace formula consists of 3540 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:58:16,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:58:16,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1276 trivial. 0 not checked. [2019-11-20 01:58:16,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:16,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3989 states to 1532 states and 3828 transitions. [2019-11-20 01:58:16,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 3828 transitions. [2019-11-20 01:58:16,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2019-11-20 01:58:16,953 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:17,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:17,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 3576 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:58:17,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:58:17,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1277 trivial. 0 not checked. [2019-11-20 01:58:17,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:17,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3992 states to 1534 states and 3831 transitions. [2019-11-20 01:58:17,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 3831 transitions. [2019-11-20 01:58:17,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2019-11-20 01:58:17,664 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:18,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 3740 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:58:18,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:58:18,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1450 trivial. 0 not checked. [2019-11-20 01:58:18,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:18,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4000 states to 1544 states and 3839 transitions. [2019-11-20 01:58:18,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1544 states and 3839 transitions. [2019-11-20 01:58:18,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2019-11-20 01:58:18,434 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:19,033 INFO L255 TraceCheckSpWp]: Trace formula consists of 3850 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:58:19,039 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:58:19,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1642 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1642 trivial. 0 not checked. [2019-11-20 01:58:19,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:19,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4001 states to 1551 states and 3840 transitions. [2019-11-20 01:58:19,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1551 states and 3840 transitions. [2019-11-20 01:58:19,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2019-11-20 01:58:19,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:19,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:19,841 INFO L255 TraceCheckSpWp]: Trace formula consists of 3859 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-20 01:58:19,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 01:58:19,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1643 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1643 trivial. 0 not checked. [2019-11-20 01:58:20,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:20,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4002 states to 1063 states and 2731 transitions. [2019-11-20 01:58:20,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 2731 transitions. [2019-11-20 01:58:20,063 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 01:58:20,063 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 389 iterations. [2019-11-20 01:58:20,071 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 01:58:20,256 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 20 [2019-11-20 01:58:21,690 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,693 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,693 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,694 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,694 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,694 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,694 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,694 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,694 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,694 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,694 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,694 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,694 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,694 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,694 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,694 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,695 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,695 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,695 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,695 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,695 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,695 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,695 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,695 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,695 INFO L569 CodeCheckObserver]: Invariant with dag size 20 [2019-11-20 01:58:21,700 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,700 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,700 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,700 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,700 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,701 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,701 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,701 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,701 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,701 INFO L569 CodeCheckObserver]: Invariant with dag size 18 [2019-11-20 01:58:21,702 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,703 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,703 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,703 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,703 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,703 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,703 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,703 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,704 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,704 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,704 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,704 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,704 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,704 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,705 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,705 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,705 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,705 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,705 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,705 INFO L569 CodeCheckObserver]: Invariant with dag size 18 [2019-11-20 01:58:21,706 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,707 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,707 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,707 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,707 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,707 INFO L569 CodeCheckObserver]: Invariant with dag size 14 [2019-11-20 01:58:21,708 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,708 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,708 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,708 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,709 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,709 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 01:58:21,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 01:58:21 ImpRootNode [2019-11-20 01:58:21,709 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 01:58:21,710 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 01:58:21,710 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 01:58:21,710 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 01:58:21,710 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:54:43" (3/4) ... [2019-11-20 01:58:21,713 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 01:58:21,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pdc20621_i2c_read [2019-11-20 01:58:21,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pdc_prep_lba28 [2019-11-20 01:58:21,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure devm_kzalloc [2019-11-20 01:58:21,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pdc_prep_lba48 [2019-11-20 01:58:21,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure readl [2019-11-20 01:58:21,718 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure writel [2019-11-20 01:58:21,719 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __pdc20621_push_hdma [2019-11-20 01:58:21,719 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure warn_slowpath_null [2019-11-20 01:58:21,719 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pdc_pkt_footer [2019-11-20 01:58:21,719 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __const_udelay [2019-11-20 01:58:21,719 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure msleep [2019-11-20 01:58:21,719 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pdc20621_push_hdma [2019-11-20 01:58:21,719 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ioread8 [2019-11-20 01:58:21,720 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_error [2019-11-20 01:58:21,720 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pdc20621_ata_pkt [2019-11-20 01:58:21,720 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_zalloc [2019-11-20 01:58:21,720 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ata_port_pbar_desc [2019-11-20 01:58:21,720 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_stop [2019-11-20 01:58:21,721 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure external_alloc [2019-11-20 01:58:21,721 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pdc_reset_port [2019-11-20 01:58:21,721 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure pdc20621_dump_hdma [2019-11-20 01:58:21,721 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv__builtin_expect [2019-11-20 01:58:21,721 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure memcpy_toio [2019-11-20 01:58:21,748 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 263 nodes and edges [2019-11-20 01:58:21,753 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 83 nodes and edges [2019-11-20 01:58:21,757 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2019-11-20 01:58:21,762 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 01:58:21,766 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 01:58:21,770 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 01:58:22,021 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_97899bf6-12b2-4063-9878-2a19be3e471a/bin/ukojak/witness.graphml [2019-11-20 01:58:22,021 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 01:58:22,023 INFO L168 Benchmark]: Toolchain (without parser) took 365002.39 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 3.9 GB). Free memory was 940.7 MB in the beginning and 1.9 GB in the end (delta: -929.8 MB). Peak memory consumption was 3.0 GB. Max. memory is 11.5 GB. [2019-11-20 01:58:22,023 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 01:58:22,023 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2567.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 940.7 MB in the beginning and 975.6 MB in the end (delta: -35.0 MB). Peak memory consumption was 147.5 MB. Max. memory is 11.5 GB. [2019-11-20 01:58:22,024 INFO L168 Benchmark]: Boogie Procedure Inliner took 235.03 ms. Allocated memory is still 1.2 GB. Free memory was 975.6 MB in the beginning and 962.7 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2019-11-20 01:58:22,024 INFO L168 Benchmark]: Boogie Preprocessor took 217.74 ms. Allocated memory is still 1.2 GB. Free memory was 962.7 MB in the beginning and 949.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2019-11-20 01:58:22,024 INFO L168 Benchmark]: RCFGBuilder took 143025.51 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 203.9 MB). Free memory was 949.8 MB in the beginning and 1.1 GB in the end (delta: -164.3 MB). Peak memory consumption was 319.8 MB. Max. memory is 11.5 GB. [2019-11-20 01:58:22,025 INFO L168 Benchmark]: CodeCheck took 218637.32 ms. Allocated memory was 1.4 GB in the beginning and 5.0 GB in the end (delta: 3.6 GB). Free memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: -860.0 MB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. [2019-11-20 01:58:22,025 INFO L168 Benchmark]: Witness Printer took 311.94 ms. Allocated memory is still 5.0 GB. Free memory was 2.0 GB in the beginning and 1.9 GB in the end (delta: 103.7 MB). Peak memory consumption was 103.7 MB. Max. memory is 11.5 GB. [2019-11-20 01:58:22,027 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 24 procedures, 387 locations, 1 error locations. Result: SAFE, OverallTime: 216.9s, OverallIterations: 389, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -1073650248 SDtfs, 815982460 SDslu, -617368092 SDs, 0 SdLazy, -462800968 SolverSat, -1314963700 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2083.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 784255 GetRequests, 781265 SyntacticMatches, 1926 SemanticMatches, 1064 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 639749 ImplicationChecksByTransitivity, 112.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 13.3s SsaConstructionTime, 32.1s SatisfiabilityAnalysisTime, 26.7s InterpolantComputationTime, 89860 NumberOfCodeBlocks, 89860 NumberOfCodeBlocksAsserted, 388 NumberOfCheckSat, 89472 ConstructedInterpolants, 0 QuantifiedInterpolants, 35336790 SizeOfPredicates, 0 NumberOfNonLiveVariables, 228730 ConjunctsInSsa, 264 ConjunctsInUnsatCore, 388 InterpolantComputations, 297 PerfectInterpolantSequences, 170510/171411 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: 4968]: 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: 6677]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6765]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6970]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5903]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6625]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6551]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6412]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6400]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6386]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6500]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5933]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6059]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6836]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6343]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5894]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5880]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6288]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6915]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5544]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6059]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6568]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6656]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5679]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6617]: Loop Invariant Derived loop invariant: ((!(ldv_state_variable_0 == 0) || (ldv_state_variable_3 == 0 && !(ldv_state_variable_1 == 0))) || (!(ldv_spin == 0) && !(ldv_state_variable_1 == 0))) || (!(ldv_state_variable_2 == 1) && !(ldv_state_variable_1 == 0)) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6250]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5903]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5512]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6110]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5903]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6509]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6400]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6597]: Loop Invariant Derived loop invariant: ((((!(ldv_spin == 0) || ldv_state_variable_3 == 0) || !(ldv_state_variable_1 == 0)) || 3 <= ldv_state_variable_0) || ldv_state_variable_0 == 0) || !(ldv_state_variable_2 == 1) - InvariantResult [Line: 6663]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6239]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5715]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6382]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6982]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6110]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5714]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5598]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5941]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7031]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6684]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6050]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6670]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5800]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6180]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5711]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6250]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5949]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6020]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6587]: Loop Invariant Derived loop invariant: ((((!(ldv_spin == 0) || ldv_state_variable_3 == 0) || !(ldv_state_variable_2 == 1)) || 3 <= ldv_state_variable_0) || !(ldv_state_variable_1 == 0)) || ldv_state_variable_0 == 0 - InvariantResult [Line: 6250]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6110]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6449]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 4971]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6003]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6625]: Loop Invariant Derived loop invariant: ((!(ldv_state_variable_0 == 0) || !(ldv_spin == 0)) || !(ldv_state_variable_2 == 1)) || ldv_state_variable_3 == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6025]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6691]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 5343]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 2567.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 940.7 MB in the beginning and 975.6 MB in the end (delta: -35.0 MB). Peak memory consumption was 147.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 235.03 ms. Allocated memory is still 1.2 GB. Free memory was 975.6 MB in the beginning and 962.7 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 217.74 ms. Allocated memory is still 1.2 GB. Free memory was 962.7 MB in the beginning and 949.8 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 143025.51 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 203.9 MB). Free memory was 949.8 MB in the beginning and 1.1 GB in the end (delta: -164.3 MB). Peak memory consumption was 319.8 MB. Max. memory is 11.5 GB. * CodeCheck took 218637.32 ms. Allocated memory was 1.4 GB in the beginning and 5.0 GB in the end (delta: 3.6 GB). Free memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: -860.0 MB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. * Witness Printer took 311.94 ms. Allocated memory is still 5.0 GB. Free memory was 2.0 GB in the beginning and 1.9 GB in the end (delta: 103.7 MB). Peak memory consumption was 103.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...