./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/reducercommutativity/rangesum60.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/rangesum60.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6531e15623308e4078ac0600b5852029139b0fe65df20988c6e3b5d5367f33f6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:23:40,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:23:40,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:23:40,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:23:40,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:23:40,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:23:40,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:23:40,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:23:40,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:23:40,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:23:40,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:23:40,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:23:40,281 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:23:40,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:23:40,284 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:23:40,285 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:23:40,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:23:40,287 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:23:40,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:23:40,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:23:40,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:23:40,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:23:40,301 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:23:40,302 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:23:40,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:23:40,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:23:40,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:23:40,314 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:23:40,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:23:40,317 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:23:40,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:23:40,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:23:40,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:23:40,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:23:40,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:23:40,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:23:40,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:23:40,325 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:23:40,326 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:23:40,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:23:40,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:23:40,328 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:23:40,367 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:23:40,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:23:40,371 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:23:40,372 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:23:40,373 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:23:40,373 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:23:40,373 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:23:40,373 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:23:40,374 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:23:40,374 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:23:40,375 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:23:40,375 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:23:40,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:23:40,376 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:23:40,376 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:23:40,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:23:40,377 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:23:40,377 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:23:40,377 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:23:40,377 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:23:40,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:23:40,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:23:40,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:23:40,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:23:40,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:23:40,379 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:23:40,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:23:40,379 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:23:40,380 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6531e15623308e4078ac0600b5852029139b0fe65df20988c6e3b5d5367f33f6 [2021-11-23 01:23:40,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:23:40,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:23:40,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:23:40,761 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:23:40,762 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:23:40,763 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/reducercommutativity/rangesum60.i [2021-11-23 01:23:40,862 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/bin/ukojak-LBtLqBUTdQ/data/9c973eec0/65d9fc7c064843799e21daa67f59eafa/FLAGbfc30c929 [2021-11-23 01:23:41,368 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:23:41,369 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/sv-benchmarks/c/reducercommutativity/rangesum60.i [2021-11-23 01:23:41,375 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/bin/ukojak-LBtLqBUTdQ/data/9c973eec0/65d9fc7c064843799e21daa67f59eafa/FLAGbfc30c929 [2021-11-23 01:23:41,771 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/bin/ukojak-LBtLqBUTdQ/data/9c973eec0/65d9fc7c064843799e21daa67f59eafa [2021-11-23 01:23:41,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:23:41,775 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:23:41,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:23:41,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:23:41,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:23:41,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:23:41" (1/1) ... [2021-11-23 01:23:41,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b1628fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:41, skipping insertion in model container [2021-11-23 01:23:41,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:23:41" (1/1) ... [2021-11-23 01:23:41,795 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:23:41,814 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:23:42,005 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/sv-benchmarks/c/reducercommutativity/rangesum60.i[1465,1478] [2021-11-23 01:23:42,009 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:23:42,018 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:23:42,042 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/sv-benchmarks/c/reducercommutativity/rangesum60.i[1465,1478] [2021-11-23 01:23:42,044 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:23:42,059 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:23:42,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:42 WrapperNode [2021-11-23 01:23:42,060 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:23:42,061 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:23:42,062 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:23:42,062 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:23:42,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:42" (1/1) ... [2021-11-23 01:23:42,080 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:42" (1/1) ... [2021-11-23 01:23:42,102 INFO L137 Inliner]: procedures = 17, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2021-11-23 01:23:42,102 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:23:42,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:23:42,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:23:42,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:23:42,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:42" (1/1) ... [2021-11-23 01:23:42,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:42" (1/1) ... [2021-11-23 01:23:42,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:42" (1/1) ... [2021-11-23 01:23:42,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:42" (1/1) ... [2021-11-23 01:23:42,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:42" (1/1) ... [2021-11-23 01:23:42,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:42" (1/1) ... [2021-11-23 01:23:42,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:42" (1/1) ... [2021-11-23 01:23:42,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:23:42,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:23:42,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:23:42,162 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:23:42,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:23:42" (1/1) ... [2021-11-23 01:23:42,171 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:23:42,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:23:42,199 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:23:42,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:23:42,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:23:42,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:23:42,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:23:42,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:23:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:23:42,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:23:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:23:42,254 INFO L130 BoogieDeclarations]: Found specification of procedure rangesum [2021-11-23 01:23:42,255 INFO L138 BoogieDeclarations]: Found implementation of procedure rangesum [2021-11-23 01:23:42,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:23:42,359 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:23:42,367 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:23:42,577 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:23:42,620 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:23:42,620 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 01:23:42,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:23:42 BoogieIcfgContainer [2021-11-23 01:23:42,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:23:42,624 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:23:42,624 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:23:42,634 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:23:42,635 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:23:42" (1/1) ... [2021-11-23 01:23:42,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:23:42,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:42,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2021-11-23 01:23:42,714 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2021-11-23 01:23:42,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:23:42,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:42,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:43,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 01:23:43,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:43,156 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:23:43,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:43,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2021-11-23 01:23:43,245 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2021-11-23 01:23:43,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:23:43,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:43,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:43,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 01:23:43,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:43,446 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:23:43,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:43,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2021-11-23 01:23:43,492 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2021-11-23 01:23:43,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:23:43,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:43,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:43,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:43,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:43,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 01:23:43,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:43,651 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:23:43,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:43,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2021-11-23 01:23:43,693 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2021-11-23 01:23:43,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:23:43,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:43,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:43,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:23:43,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:43,898 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:43,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:43,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 21 states and 28 transitions. [2021-11-23 01:23:43,953 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 28 transitions. [2021-11-23 01:23:43,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:23:43,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:43,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:44,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 01:23:44,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:44,162 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:44,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:44,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2021-11-23 01:23:44,236 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2021-11-23 01:23:44,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:23:44,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:44,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:44,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:23:44,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:44,413 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:44,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:44,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2021-11-23 01:23:44,464 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2021-11-23 01:23:44,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:23:44,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:44,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:44,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 01:23:44,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:44,580 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:44,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:44,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2021-11-23 01:23:44,637 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2021-11-23 01:23:44,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:23:44,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:44,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:44,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:44,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:23:44,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:44,804 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:44,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:44,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 32 transitions. [2021-11-23 01:23:44,885 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2021-11-23 01:23:44,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:23:44,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:44,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:44,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:44,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 01:23:44,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:45,070 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:45,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:45,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2021-11-23 01:23:45,141 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2021-11-23 01:23:45,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:23:45,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:45,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:45,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:23:45,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:45,335 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:45,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:45,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 27 states and 34 transitions. [2021-11-23 01:23:45,403 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2021-11-23 01:23:45,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:23:45,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:45,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:45,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:45,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:23:45,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:45,582 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:45,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:45,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2021-11-23 01:23:45,673 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2021-11-23 01:23:45,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:23:45,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:45,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:45,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:45,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:23:45,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:45,844 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:45,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:45,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 36 transitions. [2021-11-23 01:23:45,928 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2021-11-23 01:23:45,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:23:45,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:45,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:45,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:23:46,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:46,132 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:46,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:46,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2021-11-23 01:23:46,239 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2021-11-23 01:23:46,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:23:46,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:46,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:46,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:23:46,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:46,420 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:46,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:46,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2021-11-23 01:23:46,519 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2021-11-23 01:23:46,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:23:46,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:46,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:46,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:46,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:23:46,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:46,692 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:46,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:46,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 32 states and 39 transitions. [2021-11-23 01:23:46,798 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2021-11-23 01:23:46,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:23:46,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:46,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:46,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:23:46,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:46,943 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:47,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:47,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 33 states and 40 transitions. [2021-11-23 01:23:47,032 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2021-11-23 01:23:47,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:23:47,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:47,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:47,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:47,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 01:23:47,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:47,234 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:47,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:47,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2021-11-23 01:23:47,336 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2021-11-23 01:23:47,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:23:47,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:47,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:47,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:23:47,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:47,524 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:47,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:47,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 35 states and 42 transitions. [2021-11-23 01:23:47,633 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2021-11-23 01:23:47,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:23:47,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:47,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:47,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:47,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:23:47,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:47,823 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:47,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:47,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 36 states and 43 transitions. [2021-11-23 01:23:47,932 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2021-11-23 01:23:47,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:23:47,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:47,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:47,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:23:47,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:48,110 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:48,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:48,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 37 states and 44 transitions. [2021-11-23 01:23:48,219 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2021-11-23 01:23:48,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:23:48,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:48,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:48,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:23:48,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:48,388 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:48,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:48,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 38 states and 45 transitions. [2021-11-23 01:23:48,503 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2021-11-23 01:23:48,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:23:48,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:48,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:48,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:48,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:23:48,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:48,670 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:48,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:48,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 39 states and 46 transitions. [2021-11-23 01:23:48,784 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2021-11-23 01:23:48,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:23:48,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:48,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:48,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:23:48,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:48,991 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:49,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:49,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 40 states and 47 transitions. [2021-11-23 01:23:49,111 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2021-11-23 01:23:49,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:23:49,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:49,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:49,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:49,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:23:49,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:49,314 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:49,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:49,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 41 states and 48 transitions. [2021-11-23 01:23:49,444 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2021-11-23 01:23:49,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-23 01:23:49,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:49,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:49,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:23:49,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:49,627 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:49,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:49,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 42 states and 49 transitions. [2021-11-23 01:23:49,754 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2021-11-23 01:23:49,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:23:49,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:49,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:49,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 01:23:49,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:49,962 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:50,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:50,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 43 states and 50 transitions. [2021-11-23 01:23:50,094 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2021-11-23 01:23:50,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-23 01:23:50,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:50,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:50,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:50,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-23 01:23:50,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:50,285 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:50,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:50,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 44 states and 51 transitions. [2021-11-23 01:23:50,416 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2021-11-23 01:23:50,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:23:50,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:50,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:50,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:23:50,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:50,651 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:50,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:50,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 45 states and 52 transitions. [2021-11-23 01:23:50,788 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2021-11-23 01:23:50,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:23:50,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:50,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:50,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:50,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 01:23:50,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:51,014 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:51,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:51,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 46 states and 53 transitions. [2021-11-23 01:23:51,148 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2021-11-23 01:23:51,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-23 01:23:51,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:51,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:51,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:51,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:23:51,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:51,388 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:51,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:51,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 47 states and 54 transitions. [2021-11-23 01:23:51,538 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2021-11-23 01:23:51,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:23:51,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:51,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:51,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:51,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-23 01:23:51,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:51,801 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:51,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:51,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 48 states and 55 transitions. [2021-11-23 01:23:51,953 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2021-11-23 01:23:51,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:23:51,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:51,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:52,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:52,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:23:52,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:52,194 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:52,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:52,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 49 states and 56 transitions. [2021-11-23 01:23:52,350 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions. [2021-11-23 01:23:52,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-23 01:23:52,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:52,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:52,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:52,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 01:23:52,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:52,611 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:52,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:52,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 50 states and 57 transitions. [2021-11-23 01:23:52,763 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2021-11-23 01:23:52,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-23 01:23:52,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:52,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:52,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:52,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:23:52,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:53,029 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:53,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:53,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 51 states and 58 transitions. [2021-11-23 01:23:53,202 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2021-11-23 01:23:53,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 01:23:53,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:53,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:53,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:53,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 01:23:53,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:53,474 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:53,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:53,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 52 states and 59 transitions. [2021-11-23 01:23:53,647 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2021-11-23 01:23:53,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:23:53,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:53,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:53,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:23:53,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:53,937 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:54,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:54,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 53 states and 60 transitions. [2021-11-23 01:23:54,118 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2021-11-23 01:23:54,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-23 01:23:54,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:54,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:54,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 01:23:54,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:54,406 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:54,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:54,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 54 states and 61 transitions. [2021-11-23 01:23:54,567 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2021-11-23 01:23:54,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 01:23:54,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:54,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:54,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:54,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-23 01:23:54,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:54,851 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:55,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:55,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 55 states and 62 transitions. [2021-11-23 01:23:55,035 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2021-11-23 01:23:55,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-23 01:23:55,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:55,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:55,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:55,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-23 01:23:55,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:55,352 INFO L134 CoverageAnalysis]: Checked inductivity of 688 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:55,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:55,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 56 states and 63 transitions. [2021-11-23 01:23:55,538 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 63 transitions. [2021-11-23 01:23:55,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-23 01:23:55,540 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:55,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:55,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:55,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:23:55,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:55,818 INFO L134 CoverageAnalysis]: Checked inductivity of 725 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:55,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:55,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 57 states and 64 transitions. [2021-11-23 01:23:55,970 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2021-11-23 01:23:55,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 01:23:55,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:55,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:56,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:56,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-23 01:23:56,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:56,279 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:56,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:56,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 58 states and 65 transitions. [2021-11-23 01:23:56,439 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions. [2021-11-23 01:23:56,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:23:56,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:56,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:56,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-23 01:23:56,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:56,790 INFO L134 CoverageAnalysis]: Checked inductivity of 802 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:56,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:56,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 59 states and 66 transitions. [2021-11-23 01:23:56,955 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 66 transitions. [2021-11-23 01:23:56,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 01:23:56,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:56,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:57,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:57,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-23 01:23:57,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:57,262 INFO L134 CoverageAnalysis]: Checked inductivity of 842 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:57,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:57,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 60 states and 67 transitions. [2021-11-23 01:23:57,469 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 67 transitions. [2021-11-23 01:23:57,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:23:57,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:57,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:57,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:57,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:23:57,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:57,751 INFO L134 CoverageAnalysis]: Checked inductivity of 883 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:57,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:57,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 61 states and 68 transitions. [2021-11-23 01:23:57,957 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 68 transitions. [2021-11-23 01:23:57,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:23:57,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:57,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:58,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-23 01:23:58,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:58,280 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:58,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:58,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 62 states and 69 transitions. [2021-11-23 01:23:58,484 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 69 transitions. [2021-11-23 01:23:58,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:23:58,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:58,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:58,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 01:23:58,573 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:58,800 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:59,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:59,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 63 states and 70 transitions. [2021-11-23 01:23:59,002 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 70 transitions. [2021-11-23 01:23:59,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:23:59,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:59,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:59,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-23 01:23:59,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:59,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:23:59,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:59,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 64 states and 71 transitions. [2021-11-23 01:23:59,534 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 71 transitions. [2021-11-23 01:23:59,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:23:59,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:59,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:59,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-23 01:23:59,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:23:59,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1057 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:24:00,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:00,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 65 states and 72 transitions. [2021-11-23 01:24:00,102 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 72 transitions. [2021-11-23 01:24:00,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 01:24:00,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:00,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:00,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-23 01:24:00,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:00,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1103 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:24:00,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:00,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 66 states and 73 transitions. [2021-11-23 01:24:00,716 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 73 transitions. [2021-11-23 01:24:00,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-23 01:24:00,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:00,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:00,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-23 01:24:00,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:01,088 INFO L134 CoverageAnalysis]: Checked inductivity of 1150 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:24:01,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:01,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 67 states and 74 transitions. [2021-11-23 01:24:01,287 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 74 transitions. [2021-11-23 01:24:01,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-23 01:24:01,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:01,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:01,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-23 01:24:01,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:01,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1198 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:24:01,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:01,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 68 states and 75 transitions. [2021-11-23 01:24:01,911 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2021-11-23 01:24:01,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-23 01:24:01,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:01,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:02,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 01:24:02,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:02,306 INFO L134 CoverageAnalysis]: Checked inductivity of 1247 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:24:02,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:02,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 69 states and 76 transitions. [2021-11-23 01:24:02,506 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 76 transitions. [2021-11-23 01:24:02,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 01:24:02,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:02,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:02,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-23 01:24:02,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:02,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1297 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:24:03,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:03,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 70 states and 77 transitions. [2021-11-23 01:24:03,124 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 77 transitions. [2021-11-23 01:24:03,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-23 01:24:03,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:03,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:03,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:03,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-23 01:24:03,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:03,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1348 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:24:03,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:03,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 71 states and 78 transitions. [2021-11-23 01:24:03,698 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 78 transitions. [2021-11-23 01:24:03,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-23 01:24:03,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:03,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:03,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-23 01:24:03,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:04,066 INFO L134 CoverageAnalysis]: Checked inductivity of 1400 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:24:04,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:04,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 72 states and 79 transitions. [2021-11-23 01:24:04,273 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 79 transitions. [2021-11-23 01:24:04,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-23 01:24:04,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:04,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:04,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:04,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-23 01:24:04,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:04,630 INFO L134 CoverageAnalysis]: Checked inductivity of 1453 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:24:04,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:04,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 73 states and 80 transitions. [2021-11-23 01:24:04,839 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 80 transitions. [2021-11-23 01:24:04,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-23 01:24:04,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:04,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:04,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:04,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-23 01:24:04,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:05,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1507 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:24:05,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:05,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 74 states and 81 transitions. [2021-11-23 01:24:05,443 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 81 transitions. [2021-11-23 01:24:05,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:24:05,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:05,444 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:05,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:05,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 01:24:05,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:05,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1562 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:24:06,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:06,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 75 states and 82 transitions. [2021-11-23 01:24:06,024 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 82 transitions. [2021-11-23 01:24:06,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-23 01:24:06,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:06,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:06,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:06,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 58 conjunts are in the unsatisfiable core [2021-11-23 01:24:06,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:06,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1618 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:24:06,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:06,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 76 states and 83 transitions. [2021-11-23 01:24:06,652 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 83 transitions. [2021-11-23 01:24:06,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 01:24:06,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:06,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:06,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 59 conjunts are in the unsatisfiable core [2021-11-23 01:24:06,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:07,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1675 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:24:07,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:07,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 77 states and 84 transitions. [2021-11-23 01:24:07,304 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 84 transitions. [2021-11-23 01:24:07,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-23 01:24:07,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:07,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:07,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-23 01:24:07,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:07,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1733 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:24:08,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:08,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 78 states and 85 transitions. [2021-11-23 01:24:08,068 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 85 transitions. [2021-11-23 01:24:08,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-23 01:24:08,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:08,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:08,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:24:08,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:08,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1792 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-23 01:24:08,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:08,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 79 states and 85 transitions. [2021-11-23 01:24:08,684 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 85 transitions. [2021-11-23 01:24:08,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 01:24:08,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:08,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:08,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:24:08,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:09,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1852 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 1841 trivial. 0 not checked. [2021-11-23 01:24:09,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:09,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 80 states and 86 transitions. [2021-11-23 01:24:09,249 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 86 transitions. [2021-11-23 01:24:09,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-23 01:24:09,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:09,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:09,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 01:24:09,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:09,555 INFO L134 CoverageAnalysis]: Checked inductivity of 1873 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 1850 trivial. 0 not checked. [2021-11-23 01:24:09,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:09,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 81 states and 87 transitions. [2021-11-23 01:24:09,804 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 87 transitions. [2021-11-23 01:24:09,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-23 01:24:09,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:09,805 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:09,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:24:09,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:10,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1903 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 1863 trivial. 0 not checked. [2021-11-23 01:24:10,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:10,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 82 states and 88 transitions. [2021-11-23 01:24:10,482 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 88 transitions. [2021-11-23 01:24:10,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-23 01:24:10,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:10,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:10,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:10,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 01:24:10,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:10,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1942 backedges. 52 proven. 10 refuted. 0 times theorem prover too weak. 1880 trivial. 0 not checked. [2021-11-23 01:24:11,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:11,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 83 states and 89 transitions. [2021-11-23 01:24:11,213 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 89 transitions. [2021-11-23 01:24:11,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-23 01:24:11,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:11,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:11,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:11,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:24:11,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:11,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1990 backedges. 74 proven. 15 refuted. 0 times theorem prover too weak. 1901 trivial. 0 not checked. [2021-11-23 01:24:11,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:11,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 84 states and 90 transitions. [2021-11-23 01:24:11,895 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 90 transitions. [2021-11-23 01:24:11,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-23 01:24:11,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:11,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:12,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:12,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 01:24:12,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:12,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2047 backedges. 100 proven. 21 refuted. 0 times theorem prover too weak. 1926 trivial. 0 not checked. [2021-11-23 01:24:12,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:12,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 85 states and 91 transitions. [2021-11-23 01:24:12,516 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 91 transitions. [2021-11-23 01:24:12,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-23 01:24:12,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:12,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:12,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:12,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:24:12,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:12,966 INFO L134 CoverageAnalysis]: Checked inductivity of 2113 backedges. 130 proven. 28 refuted. 0 times theorem prover too weak. 1955 trivial. 0 not checked. [2021-11-23 01:24:13,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:13,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 86 states and 92 transitions. [2021-11-23 01:24:13,298 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 92 transitions. [2021-11-23 01:24:13,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-23 01:24:13,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:13,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:13,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:13,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:24:13,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:13,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2188 backedges. 164 proven. 36 refuted. 0 times theorem prover too weak. 1988 trivial. 0 not checked. [2021-11-23 01:24:14,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:14,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 87 states and 93 transitions. [2021-11-23 01:24:14,048 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 93 transitions. [2021-11-23 01:24:14,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 01:24:14,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:14,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:14,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:24:14,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:14,434 INFO L134 CoverageAnalysis]: Checked inductivity of 2272 backedges. 202 proven. 45 refuted. 0 times theorem prover too weak. 2025 trivial. 0 not checked. [2021-11-23 01:24:14,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:14,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 88 states and 94 transitions. [2021-11-23 01:24:14,714 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 94 transitions. [2021-11-23 01:24:14,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-23 01:24:14,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:14,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:14,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:14,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:24:14,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:15,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2365 backedges. 244 proven. 55 refuted. 0 times theorem prover too weak. 2066 trivial. 0 not checked. [2021-11-23 01:24:15,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:15,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 89 states and 95 transitions. [2021-11-23 01:24:15,453 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 95 transitions. [2021-11-23 01:24:15,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-23 01:24:15,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:15,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:15,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:24:15,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:15,885 INFO L134 CoverageAnalysis]: Checked inductivity of 2467 backedges. 290 proven. 66 refuted. 0 times theorem prover too weak. 2111 trivial. 0 not checked. [2021-11-23 01:24:16,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:16,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 90 states and 96 transitions. [2021-11-23 01:24:16,264 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 96 transitions. [2021-11-23 01:24:16,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-23 01:24:16,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:16,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:16,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:16,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:24:16,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:16,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2578 backedges. 340 proven. 78 refuted. 0 times theorem prover too weak. 2160 trivial. 0 not checked. [2021-11-23 01:24:16,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:16,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 91 states and 97 transitions. [2021-11-23 01:24:16,967 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 97 transitions. [2021-11-23 01:24:16,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 01:24:16,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:16,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:17,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:24:17,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:17,472 INFO L134 CoverageAnalysis]: Checked inductivity of 2698 backedges. 394 proven. 91 refuted. 0 times theorem prover too weak. 2213 trivial. 0 not checked. [2021-11-23 01:24:17,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:17,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 92 states and 98 transitions. [2021-11-23 01:24:17,843 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 98 transitions. [2021-11-23 01:24:17,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-23 01:24:17,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:17,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:17,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 01:24:17,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:18,290 INFO L134 CoverageAnalysis]: Checked inductivity of 2827 backedges. 452 proven. 105 refuted. 0 times theorem prover too weak. 2270 trivial. 0 not checked. [2021-11-23 01:24:18,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:18,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 93 states and 99 transitions. [2021-11-23 01:24:18,576 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 99 transitions. [2021-11-23 01:24:18,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-23 01:24:18,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:18,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:18,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:18,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:24:18,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:19,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2965 backedges. 514 proven. 120 refuted. 0 times theorem prover too weak. 2331 trivial. 0 not checked. [2021-11-23 01:24:19,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:19,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 94 states and 100 transitions. [2021-11-23 01:24:19,338 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 100 transitions. [2021-11-23 01:24:19,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-23 01:24:19,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:19,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:19,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:24:19,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:19,898 INFO L134 CoverageAnalysis]: Checked inductivity of 3112 backedges. 580 proven. 136 refuted. 0 times theorem prover too weak. 2396 trivial. 0 not checked. [2021-11-23 01:24:20,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:20,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 95 states and 101 transitions. [2021-11-23 01:24:20,317 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 101 transitions. [2021-11-23 01:24:20,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2021-11-23 01:24:20,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:20,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:20,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:24:20,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:20,821 INFO L134 CoverageAnalysis]: Checked inductivity of 3268 backedges. 650 proven. 153 refuted. 0 times theorem prover too weak. 2465 trivial. 0 not checked. [2021-11-23 01:24:21,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:21,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 96 states and 102 transitions. [2021-11-23 01:24:21,127 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 102 transitions. [2021-11-23 01:24:21,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-23 01:24:21,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:21,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:21,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 703 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:24:21,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:21,680 INFO L134 CoverageAnalysis]: Checked inductivity of 3433 backedges. 724 proven. 171 refuted. 0 times theorem prover too weak. 2538 trivial. 0 not checked. [2021-11-23 01:24:22,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:22,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 97 states and 103 transitions. [2021-11-23 01:24:22,051 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 103 transitions. [2021-11-23 01:24:22,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-23 01:24:22,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:22,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:22,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 715 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:24:22,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:22,566 INFO L134 CoverageAnalysis]: Checked inductivity of 3607 backedges. 802 proven. 190 refuted. 0 times theorem prover too weak. 2615 trivial. 0 not checked. [2021-11-23 01:24:22,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:22,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 98 states and 104 transitions. [2021-11-23 01:24:22,885 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 104 transitions. [2021-11-23 01:24:22,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-11-23 01:24:22,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:22,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:23,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:23,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 727 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:24:23,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:23,371 INFO L134 CoverageAnalysis]: Checked inductivity of 3790 backedges. 884 proven. 210 refuted. 0 times theorem prover too weak. 2696 trivial. 0 not checked. [2021-11-23 01:24:23,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:23,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 99 states and 105 transitions. [2021-11-23 01:24:23,694 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 105 transitions. [2021-11-23 01:24:23,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-23 01:24:23,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:23,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:23,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:24:23,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:24,242 INFO L134 CoverageAnalysis]: Checked inductivity of 3982 backedges. 970 proven. 231 refuted. 0 times theorem prover too weak. 2781 trivial. 0 not checked. [2021-11-23 01:24:24,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:24,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 100 states and 106 transitions. [2021-11-23 01:24:24,610 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 106 transitions. [2021-11-23 01:24:24,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-23 01:24:24,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:24,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:24,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 751 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:24:24,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:25,174 INFO L134 CoverageAnalysis]: Checked inductivity of 4183 backedges. 1060 proven. 253 refuted. 0 times theorem prover too weak. 2870 trivial. 0 not checked. [2021-11-23 01:24:25,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:25,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 101 states and 107 transitions. [2021-11-23 01:24:25,557 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 107 transitions. [2021-11-23 01:24:25,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-23 01:24:25,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:25,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:25,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:25,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 01:24:25,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:26,154 INFO L134 CoverageAnalysis]: Checked inductivity of 4393 backedges. 1154 proven. 276 refuted. 0 times theorem prover too weak. 2963 trivial. 0 not checked. [2021-11-23 01:24:26,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:26,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 102 states and 108 transitions. [2021-11-23 01:24:26,612 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 108 transitions. [2021-11-23 01:24:26,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-11-23 01:24:26,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:26,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:26,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:26,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-23 01:24:26,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:27,160 INFO L134 CoverageAnalysis]: Checked inductivity of 4612 backedges. 1252 proven. 300 refuted. 0 times theorem prover too weak. 3060 trivial. 0 not checked. [2021-11-23 01:24:27,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:27,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 103 states and 109 transitions. [2021-11-23 01:24:27,549 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 109 transitions. [2021-11-23 01:24:27,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-23 01:24:27,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:27,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:27,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:27,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 787 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:24:27,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:28,165 INFO L134 CoverageAnalysis]: Checked inductivity of 4840 backedges. 1354 proven. 325 refuted. 0 times theorem prover too weak. 3161 trivial. 0 not checked. [2021-11-23 01:24:28,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:28,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 104 states and 110 transitions. [2021-11-23 01:24:28,541 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 110 transitions. [2021-11-23 01:24:28,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-23 01:24:28,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:28,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:28,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:28,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 01:24:28,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:29,084 INFO L134 CoverageAnalysis]: Checked inductivity of 5077 backedges. 1460 proven. 351 refuted. 0 times theorem prover too weak. 3266 trivial. 0 not checked. [2021-11-23 01:24:29,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:29,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 105 states and 111 transitions. [2021-11-23 01:24:29,448 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 111 transitions. [2021-11-23 01:24:29,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-23 01:24:29,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:29,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:29,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 811 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:24:29,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:30,017 INFO L134 CoverageAnalysis]: Checked inductivity of 5323 backedges. 1570 proven. 378 refuted. 0 times theorem prover too weak. 3375 trivial. 0 not checked. [2021-11-23 01:24:30,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:30,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 106 states and 112 transitions. [2021-11-23 01:24:30,387 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 112 transitions. [2021-11-23 01:24:30,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-23 01:24:30,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:30,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:30,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 823 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-23 01:24:30,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:31,031 INFO L134 CoverageAnalysis]: Checked inductivity of 5578 backedges. 1684 proven. 406 refuted. 0 times theorem prover too weak. 3488 trivial. 0 not checked. [2021-11-23 01:24:31,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:31,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 107 states and 113 transitions. [2021-11-23 01:24:31,388 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 113 transitions. [2021-11-23 01:24:31,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-11-23 01:24:31,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:31,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:31,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:31,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 835 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:24:31,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:31,935 INFO L134 CoverageAnalysis]: Checked inductivity of 5842 backedges. 1802 proven. 435 refuted. 0 times theorem prover too weak. 3605 trivial. 0 not checked. [2021-11-23 01:24:32,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:32,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 108 states and 114 transitions. [2021-11-23 01:24:32,434 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 114 transitions. [2021-11-23 01:24:32,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-11-23 01:24:32,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:32,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:32,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 847 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 01:24:32,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:33,093 INFO L134 CoverageAnalysis]: Checked inductivity of 6115 backedges. 1924 proven. 465 refuted. 0 times theorem prover too weak. 3726 trivial. 0 not checked. [2021-11-23 01:24:33,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:33,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 109 states and 115 transitions. [2021-11-23 01:24:33,568 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 115 transitions. [2021-11-23 01:24:33,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-23 01:24:33,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:33,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:33,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:33,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:24:33,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:34,176 INFO L134 CoverageAnalysis]: Checked inductivity of 6397 backedges. 2050 proven. 496 refuted. 0 times theorem prover too weak. 3851 trivial. 0 not checked. [2021-11-23 01:24:34,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:34,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 110 states and 116 transitions. [2021-11-23 01:24:34,538 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 116 transitions. [2021-11-23 01:24:34,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-23 01:24:34,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:34,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:34,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 871 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 01:24:34,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:35,159 INFO L134 CoverageAnalysis]: Checked inductivity of 6688 backedges. 2180 proven. 528 refuted. 0 times theorem prover too weak. 3980 trivial. 0 not checked. [2021-11-23 01:24:35,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:35,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 111 states and 117 transitions. [2021-11-23 01:24:35,531 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 117 transitions. [2021-11-23 01:24:35,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-11-23 01:24:35,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:35,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:35,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 883 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:24:35,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:36,226 INFO L134 CoverageAnalysis]: Checked inductivity of 6988 backedges. 2314 proven. 561 refuted. 0 times theorem prover too weak. 4113 trivial. 0 not checked. [2021-11-23 01:24:36,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:36,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 112 states and 118 transitions. [2021-11-23 01:24:36,622 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 118 transitions. [2021-11-23 01:24:36,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-11-23 01:24:36,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:36,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:36,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 895 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 01:24:36,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:37,308 INFO L134 CoverageAnalysis]: Checked inductivity of 7297 backedges. 2452 proven. 595 refuted. 0 times theorem prover too weak. 4250 trivial. 0 not checked. [2021-11-23 01:24:37,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:37,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 113 states and 119 transitions. [2021-11-23 01:24:37,690 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 119 transitions. [2021-11-23 01:24:37,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-11-23 01:24:37,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:37,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:37,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 907 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-23 01:24:37,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:38,302 INFO L134 CoverageAnalysis]: Checked inductivity of 7615 backedges. 2594 proven. 630 refuted. 0 times theorem prover too weak. 4391 trivial. 0 not checked. [2021-11-23 01:24:38,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:38,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 114 states and 120 transitions. [2021-11-23 01:24:38,691 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 120 transitions. [2021-11-23 01:24:38,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2021-11-23 01:24:38,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:38,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:38,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 919 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-23 01:24:38,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:39,326 INFO L134 CoverageAnalysis]: Checked inductivity of 7942 backedges. 2740 proven. 666 refuted. 0 times theorem prover too weak. 4536 trivial. 0 not checked. [2021-11-23 01:24:39,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:39,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 115 states and 121 transitions. [2021-11-23 01:24:39,768 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 121 transitions. [2021-11-23 01:24:39,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-23 01:24:39,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:39,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:39,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 931 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:24:39,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:40,451 INFO L134 CoverageAnalysis]: Checked inductivity of 8278 backedges. 2890 proven. 703 refuted. 0 times theorem prover too weak. 4685 trivial. 0 not checked. [2021-11-23 01:24:40,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:40,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 116 states and 122 transitions. [2021-11-23 01:24:40,861 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 122 transitions. [2021-11-23 01:24:40,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-11-23 01:24:40,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:40,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:41,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:41,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 943 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-23 01:24:41,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:41,552 INFO L134 CoverageAnalysis]: Checked inductivity of 8623 backedges. 3044 proven. 741 refuted. 0 times theorem prover too weak. 4838 trivial. 0 not checked. [2021-11-23 01:24:41,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:41,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 117 states and 123 transitions. [2021-11-23 01:24:41,961 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 123 transitions. [2021-11-23 01:24:41,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-11-23 01:24:41,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:41,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:42,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 955 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-23 01:24:42,192 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:42,645 INFO L134 CoverageAnalysis]: Checked inductivity of 8977 backedges. 3202 proven. 780 refuted. 0 times theorem prover too weak. 4995 trivial. 0 not checked. [2021-11-23 01:24:43,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:43,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 118 states and 124 transitions. [2021-11-23 01:24:43,098 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 124 transitions. [2021-11-23 01:24:43,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-11-23 01:24:43,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:43,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:43,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-23 01:24:43,309 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:43,770 INFO L134 CoverageAnalysis]: Checked inductivity of 9340 backedges. 3364 proven. 820 refuted. 0 times theorem prover too weak. 5156 trivial. 0 not checked. [2021-11-23 01:24:44,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:44,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 119 states and 125 transitions. [2021-11-23 01:24:44,197 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 125 transitions. [2021-11-23 01:24:44,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-11-23 01:24:44,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:44,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:44,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:44,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:24:44,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:44,853 INFO L134 CoverageAnalysis]: Checked inductivity of 9712 backedges. 3530 proven. 861 refuted. 0 times theorem prover too weak. 5321 trivial. 0 not checked. [2021-11-23 01:24:45,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:45,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 120 states and 126 transitions. [2021-11-23 01:24:45,276 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 126 transitions. [2021-11-23 01:24:45,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-23 01:24:45,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:45,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:45,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:45,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 991 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-23 01:24:45,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:46,006 INFO L134 CoverageAnalysis]: Checked inductivity of 10093 backedges. 3700 proven. 903 refuted. 0 times theorem prover too weak. 5490 trivial. 0 not checked. [2021-11-23 01:24:46,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:46,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 121 states and 127 transitions. [2021-11-23 01:24:46,435 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 127 transitions. [2021-11-23 01:24:46,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-23 01:24:46,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:46,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:46,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:46,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 1003 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 01:24:46,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:47,150 INFO L134 CoverageAnalysis]: Checked inductivity of 10483 backedges. 3874 proven. 946 refuted. 0 times theorem prover too weak. 5663 trivial. 0 not checked. [2021-11-23 01:24:47,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:47,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 122 states and 128 transitions. [2021-11-23 01:24:47,602 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 128 transitions. [2021-11-23 01:24:47,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-11-23 01:24:47,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:47,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:47,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 1015 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-23 01:24:47,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:48,396 INFO L134 CoverageAnalysis]: Checked inductivity of 10882 backedges. 4052 proven. 990 refuted. 0 times theorem prover too weak. 5840 trivial. 0 not checked. [2021-11-23 01:24:48,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:48,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 123 states and 129 transitions. [2021-11-23 01:24:48,914 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 129 transitions. [2021-11-23 01:24:48,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-11-23 01:24:48,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:48,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:49,222 INFO L263 TraceCheckSpWp]: Trace formula consists of 1027 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-23 01:24:49,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:49,703 INFO L134 CoverageAnalysis]: Checked inductivity of 11290 backedges. 4234 proven. 1035 refuted. 0 times theorem prover too weak. 6021 trivial. 0 not checked. [2021-11-23 01:24:50,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:50,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 124 states and 130 transitions. [2021-11-23 01:24:50,170 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 130 transitions. [2021-11-23 01:24:50,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-11-23 01:24:50,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:50,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:50,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:50,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 1039 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-23 01:24:50,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:50,932 INFO L134 CoverageAnalysis]: Checked inductivity of 11707 backedges. 4420 proven. 1081 refuted. 0 times theorem prover too weak. 6206 trivial. 0 not checked. [2021-11-23 01:24:51,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:51,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 125 states and 131 transitions. [2021-11-23 01:24:51,383 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 131 transitions. [2021-11-23 01:24:51,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-11-23 01:24:51,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:51,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:51,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 1051 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-23 01:24:51,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:52,117 INFO L134 CoverageAnalysis]: Checked inductivity of 12133 backedges. 4610 proven. 1128 refuted. 0 times theorem prover too weak. 6395 trivial. 0 not checked. [2021-11-23 01:24:52,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:52,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 126 states and 132 transitions. [2021-11-23 01:24:52,572 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 132 transitions. [2021-11-23 01:24:52,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-11-23 01:24:52,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:52,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:52,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:52,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 1063 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-23 01:24:52,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:53,350 INFO L134 CoverageAnalysis]: Checked inductivity of 12568 backedges. 4804 proven. 1176 refuted. 0 times theorem prover too weak. 6588 trivial. 0 not checked. [2021-11-23 01:24:53,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:53,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 127 states and 133 transitions. [2021-11-23 01:24:53,807 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 133 transitions. [2021-11-23 01:24:53,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-11-23 01:24:53,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:53,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:54,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:54,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 1075 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 01:24:54,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:54,511 INFO L134 CoverageAnalysis]: Checked inductivity of 13012 backedges. 5002 proven. 1225 refuted. 0 times theorem prover too weak. 6785 trivial. 0 not checked. [2021-11-23 01:24:54,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:54,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 128 states and 134 transitions. [2021-11-23 01:24:54,968 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 134 transitions. [2021-11-23 01:24:54,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-11-23 01:24:54,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:54,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:55,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 1087 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-23 01:24:55,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:55,694 INFO L134 CoverageAnalysis]: Checked inductivity of 13465 backedges. 5204 proven. 1275 refuted. 0 times theorem prover too weak. 6986 trivial. 0 not checked. [2021-11-23 01:24:56,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:56,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 129 states and 135 transitions. [2021-11-23 01:24:56,162 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 135 transitions. [2021-11-23 01:24:56,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2021-11-23 01:24:56,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:56,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:56,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 1099 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-23 01:24:56,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:57,039 INFO L134 CoverageAnalysis]: Checked inductivity of 13927 backedges. 5410 proven. 1326 refuted. 0 times theorem prover too weak. 7191 trivial. 0 not checked. [2021-11-23 01:24:57,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:57,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 130 states and 136 transitions. [2021-11-23 01:24:57,513 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 136 transitions. [2021-11-23 01:24:57,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-11-23 01:24:57,514 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:57,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:57,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:57,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 1111 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-23 01:24:57,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:58,255 INFO L134 CoverageAnalysis]: Checked inductivity of 14398 backedges. 5620 proven. 1378 refuted. 0 times theorem prover too weak. 7400 trivial. 0 not checked. [2021-11-23 01:24:58,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:58,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 131 states and 137 transitions. [2021-11-23 01:24:58,731 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 137 transitions. [2021-11-23 01:24:58,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2021-11-23 01:24:58,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:58,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:59,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:59,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 1123 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-23 01:24:59,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:24:59,551 INFO L134 CoverageAnalysis]: Checked inductivity of 14878 backedges. 5834 proven. 1431 refuted. 0 times theorem prover too weak. 7613 trivial. 0 not checked. [2021-11-23 01:25:00,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:00,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 132 states and 138 transitions. [2021-11-23 01:25:00,036 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 138 transitions. [2021-11-23 01:25:00,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-11-23 01:25:00,038 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:00,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:00,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:00,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 1135 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-23 01:25:00,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:00,926 INFO L134 CoverageAnalysis]: Checked inductivity of 15367 backedges. 6052 proven. 1485 refuted. 0 times theorem prover too weak. 7830 trivial. 0 not checked. [2021-11-23 01:25:01,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:01,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 133 states and 139 transitions. [2021-11-23 01:25:01,414 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 139 transitions. [2021-11-23 01:25:01,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-11-23 01:25:01,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:01,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:01,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:01,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 1147 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 01:25:01,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:02,317 INFO L134 CoverageAnalysis]: Checked inductivity of 15865 backedges. 6274 proven. 1540 refuted. 0 times theorem prover too weak. 8051 trivial. 0 not checked. [2021-11-23 01:25:02,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:02,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 134 states and 140 transitions. [2021-11-23 01:25:02,788 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 140 transitions. [2021-11-23 01:25:02,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-11-23 01:25:02,789 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:02,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:03,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:03,053 INFO L263 TraceCheckSpWp]: Trace formula consists of 1159 conjuncts, 58 conjunts are in the unsatisfiable core [2021-11-23 01:25:03,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:03,616 INFO L134 CoverageAnalysis]: Checked inductivity of 16372 backedges. 6500 proven. 1596 refuted. 0 times theorem prover too weak. 8276 trivial. 0 not checked. [2021-11-23 01:25:04,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:04,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 135 states and 141 transitions. [2021-11-23 01:25:04,135 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 141 transitions. [2021-11-23 01:25:04,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2021-11-23 01:25:04,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:04,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:04,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 1171 conjuncts, 59 conjunts are in the unsatisfiable core [2021-11-23 01:25:04,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:05,210 INFO L134 CoverageAnalysis]: Checked inductivity of 16888 backedges. 6730 proven. 1653 refuted. 0 times theorem prover too weak. 8505 trivial. 0 not checked. [2021-11-23 01:25:05,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:05,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 136 states and 142 transitions. [2021-11-23 01:25:05,759 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 142 transitions. [2021-11-23 01:25:05,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-11-23 01:25:05,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:05,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:06,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:06,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 1183 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-23 01:25:06,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:06,627 INFO L134 CoverageAnalysis]: Checked inductivity of 17413 backedges. 6964 proven. 1711 refuted. 0 times theorem prover too weak. 8738 trivial. 0 not checked. [2021-11-23 01:25:07,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:07,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 137 states and 143 transitions. [2021-11-23 01:25:07,135 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 143 transitions. [2021-11-23 01:25:07,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-11-23 01:25:07,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:07,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:07,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:07,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 1195 conjuncts, 61 conjunts are in the unsatisfiable core [2021-11-23 01:25:07,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:07,987 INFO L134 CoverageAnalysis]: Checked inductivity of 17947 backedges. 7202 proven. 1770 refuted. 0 times theorem prover too weak. 8975 trivial. 0 not checked. [2021-11-23 01:25:08,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:08,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 138 states and 143 transitions. [2021-11-23 01:25:08,502 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 143 transitions. [2021-11-23 01:25:08,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-11-23 01:25:08,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:08,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:08,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:08,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 1207 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:25:08,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:09,268 INFO L134 CoverageAnalysis]: Checked inductivity of 18490 backedges. 7446 proven. 1 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:25:09,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:09,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 139 states and 144 transitions. [2021-11-23 01:25:09,852 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 144 transitions. [2021-11-23 01:25:09,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-11-23 01:25:09,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:09,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:10,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 1211 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 01:25:10,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:10,639 INFO L134 CoverageAnalysis]: Checked inductivity of 18492 backedges. 7446 proven. 3 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:25:11,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:11,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 140 states and 145 transitions. [2021-11-23 01:25:11,192 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 145 transitions. [2021-11-23 01:25:11,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2021-11-23 01:25:11,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:11,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:11,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 1215 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:25:11,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:11,979 INFO L134 CoverageAnalysis]: Checked inductivity of 18495 backedges. 7446 proven. 6 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:25:12,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:12,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 141 states and 146 transitions. [2021-11-23 01:25:12,537 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 146 transitions. [2021-11-23 01:25:12,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-11-23 01:25:12,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:12,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:12,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 1219 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-23 01:25:12,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:13,357 INFO L134 CoverageAnalysis]: Checked inductivity of 18499 backedges. 7446 proven. 10 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:25:13,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:13,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 142 states and 147 transitions. [2021-11-23 01:25:13,922 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 147 transitions. [2021-11-23 01:25:13,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-11-23 01:25:13,923 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:13,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:14,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:14,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 1223 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:25:14,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:14,803 INFO L134 CoverageAnalysis]: Checked inductivity of 18504 backedges. 7446 proven. 15 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:25:15,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:15,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 143 states and 148 transitions. [2021-11-23 01:25:15,368 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 148 transitions. [2021-11-23 01:25:15,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-11-23 01:25:15,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:15,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:15,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 1227 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 01:25:15,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:16,171 INFO L134 CoverageAnalysis]: Checked inductivity of 18510 backedges. 7446 proven. 21 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:25:16,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:16,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 144 states and 149 transitions. [2021-11-23 01:25:16,746 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 149 transitions. [2021-11-23 01:25:16,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-11-23 01:25:16,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:16,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:16,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:16,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 1231 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-23 01:25:17,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:17,543 INFO L134 CoverageAnalysis]: Checked inductivity of 18517 backedges. 7446 proven. 28 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:25:18,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:18,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 145 states and 150 transitions. [2021-11-23 01:25:18,119 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 150 transitions. [2021-11-23 01:25:18,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-23 01:25:18,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:18,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:18,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:18,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 1235 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-23 01:25:18,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:18,961 INFO L134 CoverageAnalysis]: Checked inductivity of 18525 backedges. 7446 proven. 36 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:25:19,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:19,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 146 states and 151 transitions. [2021-11-23 01:25:19,543 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 151 transitions. [2021-11-23 01:25:19,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-11-23 01:25:19,594 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:19,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:19,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:19,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 1239 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:25:19,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:20,487 INFO L134 CoverageAnalysis]: Checked inductivity of 18534 backedges. 7446 proven. 45 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:25:21,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:21,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 147 states and 152 transitions. [2021-11-23 01:25:21,085 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 152 transitions. [2021-11-23 01:25:21,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-11-23 01:25:21,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:21,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:21,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 1243 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:25:21,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:21,908 INFO L134 CoverageAnalysis]: Checked inductivity of 18544 backedges. 7446 proven. 55 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:25:22,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:22,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 148 states and 153 transitions. [2021-11-23 01:25:22,499 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 153 transitions. [2021-11-23 01:25:22,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-11-23 01:25:22,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:22,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:22,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:22,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 1247 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:25:22,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:23,312 INFO L134 CoverageAnalysis]: Checked inductivity of 18555 backedges. 7446 proven. 66 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:25:23,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:23,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 149 states and 154 transitions. [2021-11-23 01:25:23,903 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 154 transitions. [2021-11-23 01:25:23,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-11-23 01:25:23,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:23,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:24,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 1251 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-23 01:25:24,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:24,847 INFO L134 CoverageAnalysis]: Checked inductivity of 18567 backedges. 7446 proven. 78 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:25:25,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:25,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 150 states and 155 transitions. [2021-11-23 01:25:25,478 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 155 transitions. [2021-11-23 01:25:25,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-11-23 01:25:25,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:25,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:25,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 1255 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:25:25,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:26,455 INFO L134 CoverageAnalysis]: Checked inductivity of 18580 backedges. 7446 proven. 91 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:25:27,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:27,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 151 states and 156 transitions. [2021-11-23 01:25:27,056 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 156 transitions. [2021-11-23 01:25:27,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2021-11-23 01:25:27,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:27,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:27,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 1259 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 01:25:27,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:27,894 INFO L134 CoverageAnalysis]: Checked inductivity of 18594 backedges. 7446 proven. 105 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:25:28,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:28,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 152 states and 157 transitions. [2021-11-23 01:25:28,494 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 157 transitions. [2021-11-23 01:25:28,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-11-23 01:25:28,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:28,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:28,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:28,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 1263 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-23 01:25:28,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:29,358 INFO L134 CoverageAnalysis]: Checked inductivity of 18609 backedges. 7446 proven. 120 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:25:29,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:29,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 153 states and 158 transitions. [2021-11-23 01:25:29,958 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 158 transitions. [2021-11-23 01:25:29,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2021-11-23 01:25:29,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:29,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:30,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 1267 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-23 01:25:30,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:30,917 INFO L134 CoverageAnalysis]: Checked inductivity of 18625 backedges. 7446 proven. 136 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:25:31,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:31,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 154 states and 159 transitions. [2021-11-23 01:25:31,524 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 159 transitions. [2021-11-23 01:25:31,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2021-11-23 01:25:31,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:31,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:31,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:31,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 1271 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-23 01:25:31,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:32,409 INFO L134 CoverageAnalysis]: Checked inductivity of 18642 backedges. 7446 proven. 153 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:25:33,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:33,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 155 states and 160 transitions. [2021-11-23 01:25:33,026 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 160 transitions. [2021-11-23 01:25:33,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-11-23 01:25:33,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:33,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:33,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:33,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 1275 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:25:33,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:33,895 INFO L134 CoverageAnalysis]: Checked inductivity of 18660 backedges. 7446 proven. 171 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:25:34,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:34,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 156 states and 161 transitions. [2021-11-23 01:25:34,515 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 161 transitions. [2021-11-23 01:25:34,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2021-11-23 01:25:34,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:34,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:34,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:34,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 1279 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-23 01:25:34,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:35,385 INFO L134 CoverageAnalysis]: Checked inductivity of 18679 backedges. 7446 proven. 190 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:25:36,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:36,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 157 states and 162 transitions. [2021-11-23 01:25:36,016 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 162 transitions. [2021-11-23 01:25:36,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-11-23 01:25:36,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:36,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:36,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:36,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 1283 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:25:36,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:36,961 INFO L134 CoverageAnalysis]: Checked inductivity of 18699 backedges. 7446 proven. 210 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:25:37,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:37,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 158 states and 163 transitions. [2021-11-23 01:25:37,591 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 163 transitions. [2021-11-23 01:25:37,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-11-23 01:25:37,591 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:37,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:37,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:37,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 1287 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:25:37,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:38,459 INFO L134 CoverageAnalysis]: Checked inductivity of 18720 backedges. 7446 proven. 231 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:25:39,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:39,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 159 states and 164 transitions. [2021-11-23 01:25:39,084 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 164 transitions. [2021-11-23 01:25:39,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-11-23 01:25:39,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:39,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:39,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 1291 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:25:39,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:40,001 INFO L134 CoverageAnalysis]: Checked inductivity of 18742 backedges. 7446 proven. 253 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:25:40,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:40,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 160 states and 165 transitions. [2021-11-23 01:25:40,649 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 165 transitions. [2021-11-23 01:25:40,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-11-23 01:25:40,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:40,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:40,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 1295 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-23 01:25:40,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:41,556 INFO L134 CoverageAnalysis]: Checked inductivity of 18765 backedges. 7446 proven. 276 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:25:42,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:42,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 161 states and 166 transitions. [2021-11-23 01:25:42,200 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 166 transitions. [2021-11-23 01:25:42,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-11-23 01:25:42,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:42,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:42,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:42,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 1299 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-23 01:25:42,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:43,196 INFO L134 CoverageAnalysis]: Checked inductivity of 18789 backedges. 7446 proven. 300 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:25:43,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:43,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 162 states and 167 transitions. [2021-11-23 01:25:43,852 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 167 transitions. [2021-11-23 01:25:43,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-11-23 01:25:43,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:43,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:44,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:44,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 1303 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-23 01:25:44,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:44,759 INFO L134 CoverageAnalysis]: Checked inductivity of 18814 backedges. 7446 proven. 325 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:25:45,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:45,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 163 states and 168 transitions. [2021-11-23 01:25:45,418 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 168 transitions. [2021-11-23 01:25:45,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2021-11-23 01:25:45,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:45,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:45,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:45,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 1307 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 01:25:45,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:46,323 INFO L134 CoverageAnalysis]: Checked inductivity of 18840 backedges. 7446 proven. 351 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:25:46,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:46,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 164 states and 169 transitions. [2021-11-23 01:25:46,994 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 169 transitions. [2021-11-23 01:25:46,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2021-11-23 01:25:46,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:46,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:47,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 1311 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:25:47,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:47,929 INFO L134 CoverageAnalysis]: Checked inductivity of 18867 backedges. 7446 proven. 378 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:25:48,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:48,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 165 states and 170 transitions. [2021-11-23 01:25:48,675 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 170 transitions. [2021-11-23 01:25:48,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2021-11-23 01:25:48,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:48,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:48,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 1315 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-23 01:25:48,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:49,683 INFO L134 CoverageAnalysis]: Checked inductivity of 18895 backedges. 7446 proven. 406 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:25:50,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:50,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 166 states and 171 transitions. [2021-11-23 01:25:50,404 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 171 transitions. [2021-11-23 01:25:50,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2021-11-23 01:25:50,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:50,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:50,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:50,720 INFO L263 TraceCheckSpWp]: Trace formula consists of 1319 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-23 01:25:50,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:51,357 INFO L134 CoverageAnalysis]: Checked inductivity of 18924 backedges. 7446 proven. 435 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:25:52,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:52,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 167 states and 172 transitions. [2021-11-23 01:25:52,084 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 172 transitions. [2021-11-23 01:25:52,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-11-23 01:25:52,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:52,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:52,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:52,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 1323 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 01:25:52,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:53,087 INFO L134 CoverageAnalysis]: Checked inductivity of 18954 backedges. 7446 proven. 465 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:25:53,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:53,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 168 states and 173 transitions. [2021-11-23 01:25:53,830 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 173 transitions. [2021-11-23 01:25:53,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-11-23 01:25:53,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:53,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:54,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 1327 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:25:54,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:54,795 INFO L134 CoverageAnalysis]: Checked inductivity of 18985 backedges. 7446 proven. 496 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:25:55,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:55,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 169 states and 174 transitions. [2021-11-23 01:25:55,545 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 174 transitions. [2021-11-23 01:25:55,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-11-23 01:25:55,546 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:55,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:55,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 1331 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 01:25:55,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:56,622 INFO L134 CoverageAnalysis]: Checked inductivity of 19017 backedges. 7446 proven. 528 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:25:57,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:57,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 170 states and 175 transitions. [2021-11-23 01:25:57,396 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 175 transitions. [2021-11-23 01:25:57,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-11-23 01:25:57,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:57,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:57,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:57,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 1335 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:25:57,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:25:58,387 INFO L134 CoverageAnalysis]: Checked inductivity of 19050 backedges. 7446 proven. 561 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:25:59,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:59,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 171 states and 176 transitions. [2021-11-23 01:25:59,109 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 176 transitions. [2021-11-23 01:25:59,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2021-11-23 01:25:59,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:59,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:25:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:59,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 1339 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 01:25:59,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:00,076 INFO L134 CoverageAnalysis]: Checked inductivity of 19084 backedges. 7446 proven. 595 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:26:00,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:00,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 172 states and 177 transitions. [2021-11-23 01:26:00,813 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 177 transitions. [2021-11-23 01:26:00,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2021-11-23 01:26:00,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:00,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:01,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:01,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 1343 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-23 01:26:01,206 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:01,931 INFO L134 CoverageAnalysis]: Checked inductivity of 19119 backedges. 7446 proven. 630 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:26:02,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:02,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 173 states and 178 transitions. [2021-11-23 01:26:02,666 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 178 transitions. [2021-11-23 01:26:02,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2021-11-23 01:26:02,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:02,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:02,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:02,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 1347 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-23 01:26:02,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:03,799 INFO L134 CoverageAnalysis]: Checked inductivity of 19155 backedges. 7446 proven. 666 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:26:04,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:04,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 174 states and 179 transitions. [2021-11-23 01:26:04,503 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 179 transitions. [2021-11-23 01:26:04,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2021-11-23 01:26:04,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:04,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:04,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:04,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 1351 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:26:04,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:05,507 INFO L134 CoverageAnalysis]: Checked inductivity of 19192 backedges. 7446 proven. 703 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:26:06,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:06,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 175 states and 180 transitions. [2021-11-23 01:26:06,221 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 180 transitions. [2021-11-23 01:26:06,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-11-23 01:26:06,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:06,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:06,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 1355 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-23 01:26:06,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:07,225 INFO L134 CoverageAnalysis]: Checked inductivity of 19230 backedges. 7446 proven. 741 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:26:07,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:07,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 176 states and 181 transitions. [2021-11-23 01:26:07,967 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 181 transitions. [2021-11-23 01:26:07,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2021-11-23 01:26:07,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:07,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:08,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:08,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 1359 conjuncts, 41 conjunts are in the unsatisfiable core [2021-11-23 01:26:08,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:08,957 INFO L134 CoverageAnalysis]: Checked inductivity of 19269 backedges. 7446 proven. 780 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:26:09,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:09,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 177 states and 182 transitions. [2021-11-23 01:26:09,719 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 182 transitions. [2021-11-23 01:26:09,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2021-11-23 01:26:09,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:09,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:10,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 1363 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-23 01:26:10,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:10,747 INFO L134 CoverageAnalysis]: Checked inductivity of 19309 backedges. 7446 proven. 820 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:26:11,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:11,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 178 states and 183 transitions. [2021-11-23 01:26:11,578 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 183 transitions. [2021-11-23 01:26:11,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-11-23 01:26:11,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:11,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:11,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 1367 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-23 01:26:11,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:12,557 INFO L134 CoverageAnalysis]: Checked inductivity of 19350 backedges. 7446 proven. 861 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:26:13,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:13,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 179 states and 184 transitions. [2021-11-23 01:26:13,290 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 184 transitions. [2021-11-23 01:26:13,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-11-23 01:26:13,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:13,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:13,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 1371 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-23 01:26:13,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:14,280 INFO L134 CoverageAnalysis]: Checked inductivity of 19392 backedges. 7446 proven. 903 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:26:15,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:15,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 180 states and 185 transitions. [2021-11-23 01:26:15,048 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 185 transitions. [2021-11-23 01:26:15,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2021-11-23 01:26:15,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:15,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:15,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 1375 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 01:26:15,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:16,037 INFO L134 CoverageAnalysis]: Checked inductivity of 19435 backedges. 7446 proven. 946 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:26:16,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:16,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 181 states and 186 transitions. [2021-11-23 01:26:16,783 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 186 transitions. [2021-11-23 01:26:16,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-11-23 01:26:16,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:16,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:17,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 1379 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-23 01:26:17,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:17,791 INFO L134 CoverageAnalysis]: Checked inductivity of 19479 backedges. 7446 proven. 990 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:26:18,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:18,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 182 states and 187 transitions. [2021-11-23 01:26:18,662 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 187 transitions. [2021-11-23 01:26:18,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-11-23 01:26:18,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:18,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:18,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 1383 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-23 01:26:18,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:19,711 INFO L134 CoverageAnalysis]: Checked inductivity of 19524 backedges. 7446 proven. 1035 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:26:20,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:20,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 183 states and 188 transitions. [2021-11-23 01:26:20,546 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 188 transitions. [2021-11-23 01:26:20,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-11-23 01:26:20,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:20,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:20,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 1387 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-23 01:26:20,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:21,595 INFO L134 CoverageAnalysis]: Checked inductivity of 19570 backedges. 7446 proven. 1081 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:26:22,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:22,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 184 states and 189 transitions. [2021-11-23 01:26:22,341 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 189 transitions. [2021-11-23 01:26:22,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-11-23 01:26:22,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:22,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:22,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 1391 conjuncts, 49 conjunts are in the unsatisfiable core [2021-11-23 01:26:22,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:23,342 INFO L134 CoverageAnalysis]: Checked inductivity of 19617 backedges. 7446 proven. 1128 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:26:24,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:24,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 185 states and 190 transitions. [2021-11-23 01:26:24,090 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 190 transitions. [2021-11-23 01:26:24,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2021-11-23 01:26:24,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:24,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:24,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 1395 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-23 01:26:24,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:25,068 INFO L134 CoverageAnalysis]: Checked inductivity of 19665 backedges. 7446 proven. 1176 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:26:25,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:25,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 186 states and 191 transitions. [2021-11-23 01:26:25,878 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 191 transitions. [2021-11-23 01:26:25,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2021-11-23 01:26:25,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:25,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:26,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 1399 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-23 01:26:26,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:27,050 INFO L134 CoverageAnalysis]: Checked inductivity of 19714 backedges. 7446 proven. 1225 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:26:27,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:27,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 187 states and 192 transitions. [2021-11-23 01:26:27,900 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 192 transitions. [2021-11-23 01:26:27,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2021-11-23 01:26:27,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:27,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:28,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:28,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 1403 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-23 01:26:28,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:28,902 INFO L134 CoverageAnalysis]: Checked inductivity of 19764 backedges. 7446 proven. 1275 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:26:29,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:29,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 188 states and 193 transitions. [2021-11-23 01:26:29,711 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 193 transitions. [2021-11-23 01:26:29,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2021-11-23 01:26:29,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:29,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:30,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:30,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 1407 conjuncts, 53 conjunts are in the unsatisfiable core [2021-11-23 01:26:30,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:30,752 INFO L134 CoverageAnalysis]: Checked inductivity of 19815 backedges. 7446 proven. 1326 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:26:31,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:31,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 189 states and 194 transitions. [2021-11-23 01:26:31,501 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 194 transitions. [2021-11-23 01:26:31,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2021-11-23 01:26:31,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:31,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:31,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 1411 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-23 01:26:31,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:32,530 INFO L134 CoverageAnalysis]: Checked inductivity of 19867 backedges. 7446 proven. 1378 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:26:33,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:33,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 190 states and 195 transitions. [2021-11-23 01:26:33,346 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 195 transitions. [2021-11-23 01:26:33,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2021-11-23 01:26:33,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:33,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:33,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 1415 conjuncts, 55 conjunts are in the unsatisfiable core [2021-11-23 01:26:33,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:34,358 INFO L134 CoverageAnalysis]: Checked inductivity of 19920 backedges. 7446 proven. 1431 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:26:35,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:35,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 191 states and 196 transitions. [2021-11-23 01:26:35,125 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 196 transitions. [2021-11-23 01:26:35,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2021-11-23 01:26:35,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:35,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:35,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:35,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 1419 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-23 01:26:35,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:36,273 INFO L134 CoverageAnalysis]: Checked inductivity of 19974 backedges. 7446 proven. 1485 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:26:37,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:37,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 192 states and 197 transitions. [2021-11-23 01:26:37,113 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 197 transitions. [2021-11-23 01:26:37,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2021-11-23 01:26:37,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:37,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:37,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 1423 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-23 01:26:37,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:38,100 INFO L134 CoverageAnalysis]: Checked inductivity of 20029 backedges. 7446 proven. 1540 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:26:38,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:38,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 193 states and 198 transitions. [2021-11-23 01:26:38,859 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 198 transitions. [2021-11-23 01:26:38,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2021-11-23 01:26:38,860 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:38,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:39,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:39,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 1427 conjuncts, 58 conjunts are in the unsatisfiable core [2021-11-23 01:26:39,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:39,931 INFO L134 CoverageAnalysis]: Checked inductivity of 20085 backedges. 7446 proven. 1596 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:26:40,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:40,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 194 states and 199 transitions. [2021-11-23 01:26:40,735 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 199 transitions. [2021-11-23 01:26:40,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-11-23 01:26:40,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:40,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:41,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 1431 conjuncts, 59 conjunts are in the unsatisfiable core [2021-11-23 01:26:41,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:41,771 INFO L134 CoverageAnalysis]: Checked inductivity of 20142 backedges. 7446 proven. 1653 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:26:42,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:42,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 195 states and 200 transitions. [2021-11-23 01:26:42,561 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 200 transitions. [2021-11-23 01:26:42,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2021-11-23 01:26:42,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:42,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:42,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 1435 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-23 01:26:42,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:26:43,667 INFO L134 CoverageAnalysis]: Checked inductivity of 20200 backedges. 7446 proven. 1711 refuted. 0 times theorem prover too weak. 11043 trivial. 0 not checked. [2021-11-23 01:26:44,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:44,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 196 states and 200 transitions. [2021-11-23 01:26:44,621 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 200 transitions. [2021-11-23 01:26:44,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2021-11-23 01:26:44,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:44,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-23 01:26:55,055 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 01:26:55,060 INFO L158 Benchmark]: Toolchain (without parser) took 193283.89ms. Allocated memory was 98.6MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 58.4MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 110.6MB. Max. memory is 16.1GB. [2021-11-23 01:26:55,060 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 98.6MB. Free memory was 75.1MB in the beginning and 75.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:26:55,061 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.54ms. Allocated memory is still 98.6MB. Free memory was 58.1MB in the beginning and 68.3MB in the end (delta: -10.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:26:55,061 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.33ms. Allocated memory is still 98.6MB. Free memory was 68.1MB in the beginning and 66.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:26:55,062 INFO L158 Benchmark]: Boogie Preprocessor took 55.36ms. Allocated memory is still 98.6MB. Free memory was 66.5MB in the beginning and 65.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:26:55,062 INFO L158 Benchmark]: RCFGBuilder took 463.84ms. Allocated memory is still 98.6MB. Free memory was 65.3MB in the beginning and 52.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:26:55,062 INFO L158 Benchmark]: CodeCheck took 192434.73ms. Allocated memory was 98.6MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 52.7MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 109.0MB. Max. memory is 16.1GB. [2021-11-23 01:26:55,064 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 98.6MB. Free memory was 75.1MB in the beginning and 75.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.54ms. Allocated memory is still 98.6MB. Free memory was 58.1MB in the beginning and 68.3MB in the end (delta: -10.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.33ms. Allocated memory is still 98.6MB. Free memory was 68.1MB in the beginning and 66.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.36ms. Allocated memory is still 98.6MB. Free memory was 66.5MB in the beginning and 65.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 463.84ms. Allocated memory is still 98.6MB. Free memory was 65.3MB in the beginning and 52.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 192434.73ms. Allocated memory was 98.6MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 52.7MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 109.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:26:55,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/reducercommutativity/rangesum60.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6531e15623308e4078ac0600b5852029139b0fe65df20988c6e3b5d5367f33f6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:26:57,866 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:26:57,870 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:26:57,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:26:57,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:26:57,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:26:57,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:26:57,952 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:26:57,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:26:57,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:26:57,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:26:57,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:26:57,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:26:57,977 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:26:57,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:26:57,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:26:57,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:26:57,985 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:26:57,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:26:57,995 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:26:58,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:26:58,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:26:58,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:26:58,011 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:26:58,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:26:58,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:26:58,018 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:26:58,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:26:58,020 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:26:58,021 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:26:58,022 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:26:58,023 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:26:58,024 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:26:58,025 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:26:58,026 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:26:58,027 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:26:58,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:26:58,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:26:58,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:26:58,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:26:58,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:26:58,032 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 01:26:58,057 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:26:58,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:26:58,061 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:26:58,061 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:26:58,063 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:26:58,063 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:26:58,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:26:58,064 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:26:58,064 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:26:58,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:26:58,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:26:58,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:26:58,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:26:58,066 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:26:58,066 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 01:26:58,067 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 01:26:58,067 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:26:58,067 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:26:58,067 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:26:58,067 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:26:58,068 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:26:58,068 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:26:58,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:26:58,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:26:58,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:26:58,069 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:26:58,069 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:26:58,069 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 01:26:58,070 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 01:26:58,070 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:26:58,070 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 01:26:58,070 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:26:58,071 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6531e15623308e4078ac0600b5852029139b0fe65df20988c6e3b5d5367f33f6 [2021-11-23 01:26:58,542 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:26:58,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:26:58,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:26:58,593 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:26:58,594 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:26:58,596 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/reducercommutativity/rangesum60.i [2021-11-23 01:26:58,673 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/bin/ukojak-LBtLqBUTdQ/data/0e9bd3242/99e5bf18b8a84c39940fa77d3a2389b6/FLAGd5255565c [2021-11-23 01:26:59,405 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:26:59,409 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/sv-benchmarks/c/reducercommutativity/rangesum60.i [2021-11-23 01:26:59,418 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/bin/ukojak-LBtLqBUTdQ/data/0e9bd3242/99e5bf18b8a84c39940fa77d3a2389b6/FLAGd5255565c [2021-11-23 01:26:59,438 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/bin/ukojak-LBtLqBUTdQ/data/0e9bd3242/99e5bf18b8a84c39940fa77d3a2389b6 [2021-11-23 01:26:59,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:26:59,444 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:26:59,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:26:59,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:26:59,451 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:26:59,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:26:59" (1/1) ... [2021-11-23 01:26:59,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69f3ea3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:59, skipping insertion in model container [2021-11-23 01:26:59,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:26:59" (1/1) ... [2021-11-23 01:26:59,463 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:26:59,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:26:59,646 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/sv-benchmarks/c/reducercommutativity/rangesum60.i[1465,1478] [2021-11-23 01:26:59,674 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:26:59,714 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:26:59,742 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/sv-benchmarks/c/reducercommutativity/rangesum60.i[1465,1478] [2021-11-23 01:26:59,743 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:26:59,758 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:26:59,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:59 WrapperNode [2021-11-23 01:26:59,758 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:26:59,760 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:26:59,760 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:26:59,760 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:26:59,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:59" (1/1) ... [2021-11-23 01:26:59,786 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:59" (1/1) ... [2021-11-23 01:26:59,816 INFO L137 Inliner]: procedures = 19, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2021-11-23 01:26:59,817 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:26:59,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:26:59,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:26:59,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:26:59,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:59" (1/1) ... [2021-11-23 01:26:59,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:59" (1/1) ... [2021-11-23 01:26:59,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:59" (1/1) ... [2021-11-23 01:26:59,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:59" (1/1) ... [2021-11-23 01:26:59,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:59" (1/1) ... [2021-11-23 01:26:59,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:59" (1/1) ... [2021-11-23 01:26:59,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:59" (1/1) ... [2021-11-23 01:26:59,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:26:59,854 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:26:59,854 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:26:59,854 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:26:59,855 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:59" (1/1) ... [2021-11-23 01:26:59,862 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:26:59,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:26:59,888 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:26:59,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:26:59,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:26:59,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 01:26:59,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:26:59,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 01:26:59,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:26:59,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:26:59,934 INFO L130 BoogieDeclarations]: Found specification of procedure rangesum [2021-11-23 01:26:59,934 INFO L138 BoogieDeclarations]: Found implementation of procedure rangesum [2021-11-23 01:26:59,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:26:59,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 01:27:00,022 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:27:00,024 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:27:00,789 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:27:00,861 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:27:00,864 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 01:27:00,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:27:00 BoogieIcfgContainer [2021-11-23 01:27:00,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:27:00,869 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:27:00,869 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:27:00,881 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:27:00,881 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:27:00" (1/1) ... [2021-11-23 01:27:00,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:27:00,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:00,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2021-11-23 01:27:00,988 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2021-11-23 01:27:00,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:27:00,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:00,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:01,044 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 01:27:01,052 INFO L158 Benchmark]: Toolchain (without parser) took 1605.85ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 39.3MB in the beginning and 47.2MB in the end (delta: -7.9MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. [2021-11-23 01:27:01,053 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 60.8MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:27:01,054 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.63ms. Allocated memory is still 60.8MB. Free memory was 39.2MB in the beginning and 42.0MB in the end (delta: -2.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:27:01,058 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.20ms. Allocated memory is still 60.8MB. Free memory was 41.9MB in the beginning and 40.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:27:01,060 INFO L158 Benchmark]: Boogie Preprocessor took 35.25ms. Allocated memory is still 60.8MB. Free memory was 40.4MB in the beginning and 39.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:27:01,061 INFO L158 Benchmark]: RCFGBuilder took 1014.08ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 38.8MB in the beginning and 53.7MB in the end (delta: -14.9MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2021-11-23 01:27:01,063 INFO L158 Benchmark]: CodeCheck took 179.88ms. Allocated memory is still 73.4MB. Free memory was 53.7MB in the beginning and 47.2MB in the end (delta: 6.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 01:27:01,073 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 60.8MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.63ms. Allocated memory is still 60.8MB. Free memory was 39.2MB in the beginning and 42.0MB in the end (delta: -2.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.20ms. Allocated memory is still 60.8MB. Free memory was 41.9MB in the beginning and 40.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.25ms. Allocated memory is still 60.8MB. Free memory was 40.4MB in the beginning and 39.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1014.08ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 38.8MB in the beginning and 53.7MB in the end (delta: -14.9MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * CodeCheck took 179.88ms. Allocated memory is still 73.4MB. Free memory was 53.7MB in the beginning and 47.2MB in the end (delta: 6.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:27:01,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9148ec6d-c468-440d-a502-ba7813ef9199/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared