./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/byte_add_2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e099e2bb-cd02-4fab-8c31-581bced17036/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e099e2bb-cd02-4fab-8c31-581bced17036/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e099e2bb-cd02-4fab-8c31-581bced17036/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e099e2bb-cd02-4fab-8c31-581bced17036/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add_2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e099e2bb-cd02-4fab-8c31-581bced17036/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e099e2bb-cd02-4fab-8c31-581bced17036/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8b7afe619831a9e012e7620d6e0b03d3495f1fd3efb2bdea6bfa4bb1568774e6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:42:00,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:42:00,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:42:00,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:42:00,222 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:42:00,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:42:00,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:42:00,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:42:00,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:42:00,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:42:00,247 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:42:00,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:42:00,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:42:00,259 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:42:00,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:42:00,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:42:00,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:42:00,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:42:00,277 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:42:00,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:42:00,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:42:00,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:42:00,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:42:00,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:42:00,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:42:00,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:42:00,294 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:42:00,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:42:00,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:42:00,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:42:00,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:42:00,299 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:42:00,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:42:00,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:42:00,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:42:00,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:42:00,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:42:00,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:42:00,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:42:00,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:42:00,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:42:00,305 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e099e2bb-cd02-4fab-8c31-581bced17036/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-13 23:42:00,336 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:42:00,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:42:00,352 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:42:00,352 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:42:00,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:42:00,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:42:00,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:42:00,354 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:42:00,354 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 23:42:00,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:42:00,356 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:42:00,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:42:00,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:42:00,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:42:00,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:42:00,360 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 23:42:00,360 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:42:00,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:42:00,361 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:42:00,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:42:00,362 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:42:00,362 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:42:00,362 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:42:00,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:42:00,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:42:00,363 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:42:00,363 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:42:00,363 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:42:00,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:42:00,366 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:42:00,366 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_e099e2bb-cd02-4fab-8c31-581bced17036/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e099e2bb-cd02-4fab-8c31-581bced17036/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8b7afe619831a9e012e7620d6e0b03d3495f1fd3efb2bdea6bfa4bb1568774e6 [2021-11-13 23:42:00,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:42:00,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:42:00,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:42:00,662 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:42:00,663 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:42:00,664 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e099e2bb-cd02-4fab-8c31-581bced17036/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/bitvector/byte_add_2-1.i [2021-11-13 23:42:00,727 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e099e2bb-cd02-4fab-8c31-581bced17036/bin/ukojak-2xVlg8857e/data/eaa4ea4ee/8d681ecf3e0249bdb8f82bf6ce8cb3f7/FLAGd85632ffd [2021-11-13 23:42:01,193 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:42:01,194 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e099e2bb-cd02-4fab-8c31-581bced17036/sv-benchmarks/c/bitvector/byte_add_2-1.i [2021-11-13 23:42:01,210 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e099e2bb-cd02-4fab-8c31-581bced17036/bin/ukojak-2xVlg8857e/data/eaa4ea4ee/8d681ecf3e0249bdb8f82bf6ce8cb3f7/FLAGd85632ffd [2021-11-13 23:42:01,564 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e099e2bb-cd02-4fab-8c31-581bced17036/bin/ukojak-2xVlg8857e/data/eaa4ea4ee/8d681ecf3e0249bdb8f82bf6ce8cb3f7 [2021-11-13 23:42:01,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:42:01,568 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:42:01,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:42:01,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:42:01,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:42:01,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:42:01" (1/1) ... [2021-11-13 23:42:01,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fd9e665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:01, skipping insertion in model container [2021-11-13 23:42:01,576 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:42:01" (1/1) ... [2021-11-13 23:42:01,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:42:01,623 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:42:01,760 WARN L228 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_e099e2bb-cd02-4fab-8c31-581bced17036/sv-benchmarks/c/bitvector/byte_add_2-1.i[1168,1181] [2021-11-13 23:42:01,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:42:01,822 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:42:01,834 WARN L228 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_e099e2bb-cd02-4fab-8c31-581bced17036/sv-benchmarks/c/bitvector/byte_add_2-1.i[1168,1181] [2021-11-13 23:42:01,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:42:01,869 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:42:01,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:01 WrapperNode [2021-11-13 23:42:01,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:42:01,871 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:42:01,872 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:42:01,872 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:42:01,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:01" (1/1) ... [2021-11-13 23:42:01,888 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:01" (1/1) ... [2021-11-13 23:42:01,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:42:01,918 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:42:01,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:42:01,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:42:01,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:01" (1/1) ... [2021-11-13 23:42:01,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:01" (1/1) ... [2021-11-13 23:42:01,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:01" (1/1) ... [2021-11-13 23:42:01,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:01" (1/1) ... [2021-11-13 23:42:01,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:01" (1/1) ... [2021-11-13 23:42:01,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:01" (1/1) ... [2021-11-13 23:42:01,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:01" (1/1) ... [2021-11-13 23:42:01,947 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:42:01,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:42:01,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:42:01,948 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:42:01,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:42:01" (1/1) ... [2021-11-13 23:42:01,970 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:42:01,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e099e2bb-cd02-4fab-8c31-581bced17036/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:42:02,000 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e099e2bb-cd02-4fab-8c31-581bced17036/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:42:02,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e099e2bb-cd02-4fab-8c31-581bced17036/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:42:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:42:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:42:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:42:02,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:42:02,574 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:42:02,574 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 23:42:02,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:42:02 BoogieIcfgContainer [2021-11-13 23:42:02,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:42:02,578 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:42:02,578 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:42:02,590 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:42:02,590 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:42:02" (1/1) ... [2021-11-13 23:42:02,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:42:02,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:02,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 99 states and 116 transitions. [2021-11-13 23:42:02,676 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 116 transitions. [2021-11-13 23:42:02,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 23:42:02,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:02,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:02,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:02,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:02,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:02,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 98 states and 115 transitions. [2021-11-13 23:42:02,895 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 115 transitions. [2021-11-13 23:42:02,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:42:02,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:02,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:02,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:02,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:02,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:02,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 97 states and 114 transitions. [2021-11-13 23:42:02,960 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 114 transitions. [2021-11-13 23:42:02,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-13 23:42:02,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:02,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:02,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:03,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:03,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:03,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 96 states and 113 transitions. [2021-11-13 23:42:03,019 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 113 transitions. [2021-11-13 23:42:03,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:42:03,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:03,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:03,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:03,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:03,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:03,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 95 states and 112 transitions. [2021-11-13 23:42:03,084 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2021-11-13 23:42:03,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-13 23:42:03,085 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:03,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:03,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:03,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:03,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:03,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 94 states and 111 transitions. [2021-11-13 23:42:03,115 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 111 transitions. [2021-11-13 23:42:03,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-13 23:42:03,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:03,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:03,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:03,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:03,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 93 states and 110 transitions. [2021-11-13 23:42:03,147 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2021-11-13 23:42:03,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:42:03,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:03,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:03,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:03,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:03,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:03,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 92 states and 109 transitions. [2021-11-13 23:42:03,208 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 109 transitions. [2021-11-13 23:42:03,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:42:03,210 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:03,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:03,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:03,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:03,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:03,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 91 states and 108 transitions. [2021-11-13 23:42:03,279 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 108 transitions. [2021-11-13 23:42:03,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:42:03,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:03,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:03,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:03,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:03,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 90 states and 107 transitions. [2021-11-13 23:42:03,311 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 107 transitions. [2021-11-13 23:42:03,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 23:42:03,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:03,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:03,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:03,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:03,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 89 states and 106 transitions. [2021-11-13 23:42:03,357 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2021-11-13 23:42:03,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 23:42:03,357 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:03,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:03,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:03,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:03,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:03,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 88 states and 105 transitions. [2021-11-13 23:42:03,405 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 105 transitions. [2021-11-13 23:42:03,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 23:42:03,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:03,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:03,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:03,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:03,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 87 states and 104 transitions. [2021-11-13 23:42:03,455 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 104 transitions. [2021-11-13 23:42:03,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 23:42:03,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:03,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:03,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:03,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:03,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:03,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 86 states and 103 transitions. [2021-11-13 23:42:03,484 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2021-11-13 23:42:03,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-13 23:42:03,485 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:03,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:03,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:03,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:03,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:03,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 85 states and 102 transitions. [2021-11-13 23:42:03,523 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 102 transitions. [2021-11-13 23:42:03,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:42:03,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:03,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:03,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:03,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:03,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 84 states and 101 transitions. [2021-11-13 23:42:03,557 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 101 transitions. [2021-11-13 23:42:03,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:42:03,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:03,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:03,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:03,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:03,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 83 states and 100 transitions. [2021-11-13 23:42:03,576 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 100 transitions. [2021-11-13 23:42:03,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:42:03,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:03,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:03,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:03,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:03,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 82 states and 99 transitions. [2021-11-13 23:42:03,610 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 99 transitions. [2021-11-13 23:42:03,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:42:03,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:03,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:03,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:03,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:03,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:03,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 81 states and 98 transitions. [2021-11-13 23:42:03,633 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 98 transitions. [2021-11-13 23:42:03,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:42:03,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:03,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:03,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:03,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:03,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 80 states and 97 transitions. [2021-11-13 23:42:03,719 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 97 transitions. [2021-11-13 23:42:03,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-13 23:42:03,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:03,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:03,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:03,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:03,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 79 states and 96 transitions. [2021-11-13 23:42:03,772 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 96 transitions. [2021-11-13 23:42:03,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 23:42:03,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:03,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:03,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:03,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:03,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 78 states and 95 transitions. [2021-11-13 23:42:03,821 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2021-11-13 23:42:03,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 23:42:03,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:03,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:03,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:03,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:03,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:03,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 77 states and 94 transitions. [2021-11-13 23:42:03,856 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2021-11-13 23:42:03,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 23:42:03,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:03,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:03,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:03,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:03,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 76 states and 93 transitions. [2021-11-13 23:42:03,907 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2021-11-13 23:42:03,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 23:42:03,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:03,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:03,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:03,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:03,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 75 states and 92 transitions. [2021-11-13 23:42:03,926 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 92 transitions. [2021-11-13 23:42:03,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 23:42:03,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:03,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:03,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:03,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:03,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 74 states and 91 transitions. [2021-11-13 23:42:03,944 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 91 transitions. [2021-11-13 23:42:03,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 23:42:03,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:03,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:03,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:03,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:03,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2021-11-13 23:42:03,962 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2021-11-13 23:42:03,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-13 23:42:03,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:03,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:03,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:03,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:03,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 89 transitions. [2021-11-13 23:42:03,979 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2021-11-13 23:42:03,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 23:42:03,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:03,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:03,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:03,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:03,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2021-11-13 23:42:03,995 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2021-11-13 23:42:03,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 23:42:03,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:03,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:04,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:04,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:04,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:04,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 73 states and 91 transitions. [2021-11-13 23:42:04,143 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 91 transitions. [2021-11-13 23:42:04,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 23:42:04,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:04,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:04,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:04,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:04,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 72 states and 90 transitions. [2021-11-13 23:42:04,181 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 90 transitions. [2021-11-13 23:42:04,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 23:42:04,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:04,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:04,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:04,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:04,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:04,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 71 states and 89 transitions. [2021-11-13 23:42:04,212 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 89 transitions. [2021-11-13 23:42:04,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 23:42:04,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:04,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:04,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:04,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:04,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:04,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 70 states and 88 transitions. [2021-11-13 23:42:04,251 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 88 transitions. [2021-11-13 23:42:04,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-13 23:42:04,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:04,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:04,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:04,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:04,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 69 states and 87 transitions. [2021-11-13 23:42:04,266 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2021-11-13 23:42:04,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:42:04,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:04,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:04,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:04,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:04,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:04,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 68 states and 86 transitions. [2021-11-13 23:42:04,282 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions. [2021-11-13 23:42:04,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:42:04,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:04,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:04,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:04,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:04,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:04,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 67 states and 85 transitions. [2021-11-13 23:42:04,299 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 85 transitions. [2021-11-13 23:42:04,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-13 23:42:04,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:04,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:04,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:04,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:04,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:04,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 66 states and 84 transitions. [2021-11-13 23:42:04,325 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2021-11-13 23:42:04,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:42:04,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:04,326 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:04,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:04,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:04,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:04,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 65 states and 83 transitions. [2021-11-13 23:42:04,344 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2021-11-13 23:42:04,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-13 23:42:04,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:04,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:04,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:04,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:04,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:04,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 71 states and 92 transitions. [2021-11-13 23:42:04,632 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 92 transitions. [2021-11-13 23:42:04,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-13 23:42:04,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:04,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:04,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:04,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:42:04,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:04,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 70 states and 91 transitions. [2021-11-13 23:42:04,653 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 91 transitions. [2021-11-13 23:42:04,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-13 23:42:04,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:04,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:04,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:04,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:04,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:04,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 72 states and 95 transitions. [2021-11-13 23:42:04,907 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 95 transitions. [2021-11-13 23:42:04,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:42:04,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:04,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:04,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:04,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:05,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:05,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 75 states and 101 transitions. [2021-11-13 23:42:05,252 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 101 transitions. [2021-11-13 23:42:05,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-13 23:42:05,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:05,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:05,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:05,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:05,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:05,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 76 states and 102 transitions. [2021-11-13 23:42:05,338 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2021-11-13 23:42:05,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:42:05,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:05,340 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:05,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:05,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:05,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:05,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 83 states and 115 transitions. [2021-11-13 23:42:05,645 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 115 transitions. [2021-11-13 23:42:05,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-13 23:42:05,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:05,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:05,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:05,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:06,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:06,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 92 states and 131 transitions. [2021-11-13 23:42:06,350 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 131 transitions. [2021-11-13 23:42:06,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-13 23:42:06,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:06,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:06,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:42:06,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:06,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 94 states and 136 transitions. [2021-11-13 23:42:06,638 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 136 transitions. [2021-11-13 23:42:06,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:42:06,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:06,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:06,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:42:06,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:06,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 94 states and 135 transitions. [2021-11-13 23:42:06,705 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 135 transitions. [2021-11-13 23:42:06,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-13 23:42:06,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:06,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:06,957 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 23:42:07,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:07,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 99 states and 149 transitions. [2021-11-13 23:42:07,967 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 149 transitions. [2021-11-13 23:42:07,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:42:07,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:07,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:08,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:42:08,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:08,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 99 states and 148 transitions. [2021-11-13 23:42:08,014 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 148 transitions. [2021-11-13 23:42:08,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-13 23:42:08,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:08,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:08,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:08,544 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:12,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:12,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 115 states and 185 transitions. [2021-11-13 23:42:12,132 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 185 transitions. [2021-11-13 23:42:12,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-13 23:42:12,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:12,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:12,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:42:12,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:12,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 100 states and 149 transitions. [2021-11-13 23:42:12,183 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 149 transitions. [2021-11-13 23:42:12,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-13 23:42:12,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:12,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:12,684 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:14,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:14,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 111 states and 167 transitions. [2021-11-13 23:42:14,859 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 167 transitions. [2021-11-13 23:42:14,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 23:42:14,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:14,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:15,148 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:16,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:16,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 123 states and 190 transitions. [2021-11-13 23:42:16,691 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 190 transitions. [2021-11-13 23:42:16,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-13 23:42:16,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:16,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:16,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:16,945 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:19,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:19,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 135 states and 218 transitions. [2021-11-13 23:42:19,116 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 218 transitions. [2021-11-13 23:42:19,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-13 23:42:19,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:19,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:19,333 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:20,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:20,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 145 states and 232 transitions. [2021-11-13 23:42:20,928 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 232 transitions. [2021-11-13 23:42:20,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:42:20,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:20,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:20,981 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:22,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:22,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 155 states and 250 transitions. [2021-11-13 23:42:22,523 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 250 transitions. [2021-11-13 23:42:22,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:42:22,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:22,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:22,559 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:22,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:22,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 159 states and 258 transitions. [2021-11-13 23:42:22,964 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 258 transitions. [2021-11-13 23:42:22,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:42:22,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:22,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:23,007 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:23,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:23,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 162 states and 261 transitions. [2021-11-13 23:42:23,701 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 261 transitions. [2021-11-13 23:42:23,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:42:23,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:23,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:23,745 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:24,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:24,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 166 states and 265 transitions. [2021-11-13 23:42:24,296 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 265 transitions. [2021-11-13 23:42:24,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 23:42:24,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:24,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:24,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:24,667 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:27,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:27,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 178 states and 295 transitions. [2021-11-13 23:42:27,197 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 295 transitions. [2021-11-13 23:42:27,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 23:42:27,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:27,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:27,367 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:29,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:29,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 189 states and 316 transitions. [2021-11-13 23:42:29,414 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 316 transitions. [2021-11-13 23:42:29,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-13 23:42:29,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:29,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:29,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:29,540 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:30,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:30,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 199 states and 329 transitions. [2021-11-13 23:42:30,833 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 329 transitions. [2021-11-13 23:42:30,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 23:42:30,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:30,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:30,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:30,854 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:42:31,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:31,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 200 states and 331 transitions. [2021-11-13 23:42:31,518 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 331 transitions. [2021-11-13 23:42:31,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 23:42:31,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:31,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:31,539 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:42:31,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:31,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 201 states and 332 transitions. [2021-11-13 23:42:31,617 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 332 transitions. [2021-11-13 23:42:31,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 23:42:31,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:31,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:31,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:31,672 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:42:32,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:32,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 203 states and 333 transitions. [2021-11-13 23:42:32,718 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 333 transitions. [2021-11-13 23:42:32,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-13 23:42:32,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:32,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:32,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:32,739 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:42:32,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:32,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 204 states and 334 transitions. [2021-11-13 23:42:32,766 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 334 transitions. [2021-11-13 23:42:32,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-13 23:42:32,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:32,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:33,205 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:42:37,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:37,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 227 states and 367 transitions. [2021-11-13 23:42:37,298 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 367 transitions. [2021-11-13 23:42:37,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 23:42:37,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:37,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:37,597 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:39,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:39,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 235 states and 381 transitions. [2021-11-13 23:42:39,197 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 381 transitions. [2021-11-13 23:42:39,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-13 23:42:39,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:39,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:39,490 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:40,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:40,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 240 states and 389 transitions. [2021-11-13 23:42:40,602 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 389 transitions. [2021-11-13 23:42:40,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-13 23:42:40,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:40,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:40,635 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 23:42:42,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:42,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 253 states and 408 transitions. [2021-11-13 23:42:42,126 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 408 transitions. [2021-11-13 23:42:42,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 23:42:42,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:42,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:42,559 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:42:43,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:43,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 254 states and 393 transitions. [2021-11-13 23:42:43,265 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 393 transitions. [2021-11-13 23:42:43,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 23:42:43,267 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:43,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:43,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:43,299 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 23:42:45,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:45,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 266 states and 416 transitions. [2021-11-13 23:42:45,013 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 416 transitions. [2021-11-13 23:42:45,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 23:42:45,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:45,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:45,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:45,355 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:42:46,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:46,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 277 states and 430 transitions. [2021-11-13 23:42:46,976 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 430 transitions. [2021-11-13 23:42:46,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 23:42:46,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:46,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:47,018 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:42:49,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:49,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 288 states and 451 transitions. [2021-11-13 23:42:49,226 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 451 transitions. [2021-11-13 23:42:49,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-13 23:42:49,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:49,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:49,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:49,330 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 24 proven. 13 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 23:42:49,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:49,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 290 states and 453 transitions. [2021-11-13 23:42:49,937 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 453 transitions. [2021-11-13 23:42:49,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-13 23:42:49,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:49,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:50,295 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:42:53,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:53,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 299 states and 474 transitions. [2021-11-13 23:42:53,946 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 474 transitions. [2021-11-13 23:42:53,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-13 23:42:53,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:53,947 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:54,403 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 39 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:42:58,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:42:58,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 316 states and 521 transitions. [2021-11-13 23:42:58,923 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 521 transitions. [2021-11-13 23:42:58,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-13 23:42:58,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:42:58,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:42:58,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:42:58,946 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 23:43:00,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:00,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 317 states and 523 transitions. [2021-11-13 23:43:00,192 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 523 transitions. [2021-11-13 23:43:00,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-13 23:43:00,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:00,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:00,217 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 23:43:00,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:00,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 318 states and 524 transitions. [2021-11-13 23:43:00,245 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 524 transitions. [2021-11-13 23:43:00,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 23:43:00,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:00,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:01,933 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 13 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:10,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:10,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 352 states and 578 transitions. [2021-11-13 23:43:10,698 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 578 transitions. [2021-11-13 23:43:10,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-13 23:43:10,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:10,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:10,839 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:14,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:14,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 361 states and 587 transitions. [2021-11-13 23:43:14,046 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 587 transitions. [2021-11-13 23:43:14,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-13 23:43:14,048 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:14,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:14,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:14,721 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-13 23:43:17,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:17,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 378 states and 612 transitions. [2021-11-13 23:43:17,423 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 612 transitions. [2021-11-13 23:43:17,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-13 23:43:17,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:17,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:17,483 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 32 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-13 23:43:18,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:18,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 386 states and 622 transitions. [2021-11-13 23:43:18,659 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 622 transitions. [2021-11-13 23:43:18,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-13 23:43:18,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:18,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:18,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:18,726 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 43 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:43:22,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:22,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 398 states and 654 transitions. [2021-11-13 23:43:22,474 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 654 transitions. [2021-11-13 23:43:22,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-13 23:43:22,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:22,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:22,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:22,921 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 30 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:43:26,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:26,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 407 states and 671 transitions. [2021-11-13 23:43:26,128 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 671 transitions. [2021-11-13 23:43:26,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-13 23:43:26,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:26,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:26,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:26,849 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:30,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:30,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 422 states and 691 transitions. [2021-11-13 23:43:30,383 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 691 transitions. [2021-11-13 23:43:30,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-13 23:43:30,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:30,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:31,147 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:43:34,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:34,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 426 states and 698 transitions. [2021-11-13 23:43:34,150 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 698 transitions. [2021-11-13 23:43:34,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-13 23:43:34,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:34,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:34,246 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:43:34,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:34,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 427 states and 699 transitions. [2021-11-13 23:43:34,956 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 699 transitions. [2021-11-13 23:43:34,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-13 23:43:34,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:34,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:34,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:35,061 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:43:36,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:36,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 425 states and 696 transitions. [2021-11-13 23:43:36,029 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 696 transitions. [2021-11-13 23:43:36,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-13 23:43:36,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:36,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:36,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:36,090 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:43:38,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:38,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 436 states and 710 transitions. [2021-11-13 23:43:38,997 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 710 transitions. [2021-11-13 23:43:38,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-13 23:43:38,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:38,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:40,080 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 41 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-13 23:43:42,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:42,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 442 states and 718 transitions. [2021-11-13 23:43:42,764 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 718 transitions. [2021-11-13 23:43:42,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-13 23:43:42,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:42,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:42,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:42,795 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-13 23:43:46,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:46,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 455 states and 742 transitions. [2021-11-13 23:43:46,432 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 742 transitions. [2021-11-13 23:43:46,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-13 23:43:46,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:46,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:46,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:46,464 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-13 23:43:48,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:48,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 459 states and 747 transitions. [2021-11-13 23:43:48,718 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 747 transitions. [2021-11-13 23:43:48,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-13 23:43:48,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:48,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:48,759 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 40 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 23:43:53,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:53,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 466 states and 766 transitions. [2021-11-13 23:43:53,203 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 766 transitions. [2021-11-13 23:43:53,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-13 23:43:53,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:53,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:53,224 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-13 23:43:54,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:54,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 467 states and 766 transitions. [2021-11-13 23:43:54,499 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 766 transitions. [2021-11-13 23:43:54,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-13 23:43:54,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:54,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:54,528 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-13 23:43:55,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:55,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 468 states and 766 transitions. [2021-11-13 23:43:55,260 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 766 transitions. [2021-11-13 23:43:55,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-13 23:43:55,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:55,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:55,282 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-13 23:43:56,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:43:56,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 468 states and 764 transitions. [2021-11-13 23:43:56,061 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 764 transitions. [2021-11-13 23:43:56,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-13 23:43:56,062 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:43:56,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:43:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:43:56,678 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-13 23:44:02,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:02,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 473 states and 771 transitions. [2021-11-13 23:44:02,363 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 771 transitions. [2021-11-13 23:44:02,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-13 23:44:02,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:02,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:02,390 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 38 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 23:44:04,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:04,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 476 states and 781 transitions. [2021-11-13 23:44:04,635 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 781 transitions. [2021-11-13 23:44:04,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-13 23:44:04,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:04,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:04,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:05,554 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 23:44:09,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:09,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 493 states and 807 transitions. [2021-11-13 23:44:09,351 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 807 transitions. [2021-11-13 23:44:09,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-13 23:44:09,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:09,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:09,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:09,990 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 23:44:11,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:11,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 501 states and 817 transitions. [2021-11-13 23:44:11,583 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 817 transitions. [2021-11-13 23:44:11,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-13 23:44:11,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:11,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:11,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:11,624 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 44 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-13 23:44:15,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:15,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 513 states and 833 transitions. [2021-11-13 23:44:15,541 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 833 transitions. [2021-11-13 23:44:15,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-13 23:44:15,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:15,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:16,289 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-13 23:44:24,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:24,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 518 states and 838 transitions. [2021-11-13 23:44:24,015 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 838 transitions. [2021-11-13 23:44:24,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-13 23:44:24,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:24,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:24,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:24,084 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-13 23:44:29,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:29,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 523 states and 844 transitions. [2021-11-13 23:44:29,770 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 844 transitions. [2021-11-13 23:44:29,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-13 23:44:29,770 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:29,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:30,514 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 23:44:34,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:34,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 540 states and 869 transitions. [2021-11-13 23:44:34,461 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 869 transitions. [2021-11-13 23:44:34,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-13 23:44:34,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:34,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:34,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:35,511 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 23:44:36,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:36,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 544 states and 873 transitions. [2021-11-13 23:44:36,376 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 873 transitions. [2021-11-13 23:44:36,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-13 23:44:36,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:36,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:36,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:37,310 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 31 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 23:44:38,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:38,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 548 states and 878 transitions. [2021-11-13 23:44:38,236 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 878 transitions. [2021-11-13 23:44:38,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-13 23:44:38,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:38,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:38,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:42,603 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 23:44:57,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:44:57,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 571 states and 924 transitions. [2021-11-13 23:44:57,802 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 924 transitions. [2021-11-13 23:44:57,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-13 23:44:57,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:44:57,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:44:57,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:44:58,517 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-13 23:45:01,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:45:01,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 575 states and 929 transitions. [2021-11-13 23:45:01,604 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 929 transitions. [2021-11-13 23:45:01,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-13 23:45:01,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:45:01,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:45:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:01,672 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-13 23:45:04,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:45:04,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 579 states and 934 transitions. [2021-11-13 23:45:04,340 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 934 transitions. [2021-11-13 23:45:04,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-13 23:45:04,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:45:04,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:45:04,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:04,392 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 38 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-13 23:45:05,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:45:05,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 582 states and 938 transitions. [2021-11-13 23:45:05,998 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 938 transitions. [2021-11-13 23:45:05,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-13 23:45:05,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:45:05,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:45:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:06,203 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 42 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 23:45:11,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:45:11,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 590 states and 956 transitions. [2021-11-13 23:45:11,481 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 956 transitions. [2021-11-13 23:45:11,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-13 23:45:11,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:45:11,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:45:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:12,264 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-13 23:45:18,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:45:18,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 590 states and 949 transitions. [2021-11-13 23:45:18,715 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 949 transitions. [2021-11-13 23:45:18,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-13 23:45:18,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:45:18,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:45:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:18,772 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-13 23:45:25,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:45:25,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 590 states and 946 transitions. [2021-11-13 23:45:25,987 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 946 transitions. [2021-11-13 23:45:25,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-13 23:45:25,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:45:25,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:45:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:26,559 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 37 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-13 23:45:28,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:45:28,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 593 states and 950 transitions. [2021-11-13 23:45:28,658 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 950 transitions. [2021-11-13 23:45:28,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-13 23:45:28,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:45:28,659 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:45:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:29,357 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 23:45:34,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:45:34,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 604 states and 970 transitions. [2021-11-13 23:45:34,218 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 970 transitions. [2021-11-13 23:45:34,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-13 23:45:34,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:45:34,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:45:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:34,567 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 23:45:36,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:45:36,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 607 states and 975 transitions. [2021-11-13 23:45:36,611 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 975 transitions. [2021-11-13 23:45:36,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-13 23:45:36,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:45:36,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:45:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:36,963 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 23:45:38,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:45:38,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 608 states and 979 transitions. [2021-11-13 23:45:38,204 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 979 transitions. [2021-11-13 23:45:38,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-13 23:45:38,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:45:38,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:45:38,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:38,549 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 23:45:43,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:45:43,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 619 states and 994 transitions. [2021-11-13 23:45:43,537 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 994 transitions. [2021-11-13 23:45:43,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-13 23:45:43,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:45:43,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:45:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:44,298 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 37 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-13 23:45:46,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:45:46,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 997 states to 622 states and 997 transitions. [2021-11-13 23:45:46,180 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 997 transitions. [2021-11-13 23:45:46,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-13 23:45:46,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:45:46,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:45:46,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:47,704 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 38 proven. 25 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 23:45:54,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:45:54,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 640 states and 1028 transitions. [2021-11-13 23:45:54,756 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 1028 transitions. [2021-11-13 23:45:54,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-13 23:45:54,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:45:54,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:45:54,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:45:56,955 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 42 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 23:46:03,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:03,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 643 states and 1038 transitions. [2021-11-13 23:46:03,915 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1038 transitions. [2021-11-13 23:46:03,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-13 23:46:03,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:03,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:04,048 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 38 proven. 25 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 23:46:07,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:07,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 658 states and 1058 transitions. [2021-11-13 23:46:07,550 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 1058 transitions. [2021-11-13 23:46:07,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-13 23:46:07,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:07,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:08,164 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 42 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 23:46:09,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:09,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 658 states and 1057 transitions. [2021-11-13 23:46:09,215 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 1057 transitions. [2021-11-13 23:46:09,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-13 23:46:09,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:09,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:09,344 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 38 proven. 25 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-13 23:46:11,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:11,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 669 states and 1070 transitions. [2021-11-13 23:46:11,534 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 1070 transitions. [2021-11-13 23:46:11,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-13 23:46:11,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:11,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:11,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:11,564 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 50 proven. 5 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 23:46:15,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:15,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 673 states and 1080 transitions. [2021-11-13 23:46:15,044 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 1080 transitions. [2021-11-13 23:46:15,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-13 23:46:15,044 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:15,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:15,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:46:19,307 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 33 proven. 19 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:46:59,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:46:59,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 732 states and 1189 transitions. [2021-11-13 23:46:59,940 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1189 transitions. [2021-11-13 23:46:59,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-13 23:46:59,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:46:59,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:46:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:47:00,047 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 33 proven. 19 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:47:17,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:47:17,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 762 states and 1239 transitions. [2021-11-13 23:47:17,527 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1239 transitions. [2021-11-13 23:47:17,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-13 23:47:17,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:47:17,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:47:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:47:17,637 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 33 proven. 19 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:47:21,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:47:21,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 766 states and 1245 transitions. [2021-11-13 23:47:21,502 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 1245 transitions. [2021-11-13 23:47:21,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-13 23:47:21,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:47:21,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:47:21,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:47:21,609 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 33 proven. 19 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:47:27,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:47:27,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 788 states and 1279 transitions. [2021-11-13 23:47:27,977 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1279 transitions. [2021-11-13 23:47:27,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-13 23:47:27,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:47:27,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:47:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:47:28,081 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 33 proven. 19 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:47:32,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:47:32,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 799 states and 1292 transitions. [2021-11-13 23:47:32,862 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1292 transitions. [2021-11-13 23:47:32,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-13 23:47:32,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:47:32,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:47:32,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:47:32,969 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 33 proven. 19 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:47:47,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:47:47,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 826 states and 1342 transitions. [2021-11-13 23:47:47,055 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1342 transitions. [2021-11-13 23:47:47,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-13 23:47:47,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:47:47,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:47:47,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:47:47,162 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 33 proven. 19 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:47:53,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:47:53,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 838 states and 1367 transitions. [2021-11-13 23:47:53,237 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1367 transitions. [2021-11-13 23:47:53,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-13 23:47:53,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:47:53,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:47:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:47:53,336 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 33 proven. 19 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:47:55,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:47:55,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 839 states and 1369 transitions. [2021-11-13 23:47:55,260 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1369 transitions. [2021-11-13 23:47:55,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-13 23:47:55,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:47:55,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:47:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:47:55,312 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 61 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:48:01,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:48:01,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 844 states and 1386 transitions. [2021-11-13 23:48:01,921 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1386 transitions. [2021-11-13 23:48:01,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-13 23:48:01,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:48:01,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:48:01,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:48:02,024 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 33 proven. 19 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:48:03,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:48:03,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 846 states and 1388 transitions. [2021-11-13 23:48:03,469 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1388 transitions. [2021-11-13 23:48:03,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-13 23:48:03,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:48:03,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:48:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:48:03,543 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 51 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-13 23:48:06,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:48:06,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 850 states and 1396 transitions. [2021-11-13 23:48:06,655 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1396 transitions. [2021-11-13 23:48:06,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-13 23:48:06,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:48:06,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:48:06,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:48:06,736 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-13 23:48:11,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:48:11,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 855 states and 1408 transitions. [2021-11-13 23:48:11,772 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1408 transitions. [2021-11-13 23:48:11,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-13 23:48:11,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:48:11,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:48:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:48:11,811 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 57 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 23:48:22,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:48:22,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 873 states and 1437 transitions. [2021-11-13 23:48:22,862 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1437 transitions. [2021-11-13 23:48:22,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-13 23:48:22,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:48:22,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:48:22,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:48:22,983 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 33 proven. 19 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 23:48:41,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:48:41,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 897 states and 1476 transitions. [2021-11-13 23:48:41,216 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1476 transitions. [2021-11-13 23:48:41,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-13 23:48:41,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:48:41,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:48:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:48:41,323 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 33 proven. 19 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 23:49:05,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:49:05,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1514 states to 926 states and 1514 transitions. [2021-11-13 23:49:05,656 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1514 transitions. [2021-11-13 23:49:05,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-13 23:49:05,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:49:05,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:49:05,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:49:05,759 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 33 proven. 19 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 23:49:09,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:49:09,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 937 states and 1529 transitions. [2021-11-13 23:49:09,445 INFO L276 IsEmpty]: Start isEmpty. Operand 937 states and 1529 transitions. [2021-11-13 23:49:09,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-13 23:49:09,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:49:09,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:49:09,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:49:11,041 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 64 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 23:49:14,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:49:14,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1530 states to 938 states and 1530 transitions. [2021-11-13 23:49:14,740 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1530 transitions. [2021-11-13 23:49:14,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-13 23:49:14,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:49:14,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:49:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:49:19,281 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 13 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:49:39,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:49:39,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 966 states and 1577 transitions. [2021-11-13 23:49:39,077 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1577 transitions. [2021-11-13 23:49:39,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-13 23:49:39,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:49:39,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:49:39,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:49:42,979 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 13 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:50:05,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:50:05,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1624 states to 995 states and 1624 transitions. [2021-11-13 23:50:05,733 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1624 transitions. [2021-11-13 23:50:05,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-13 23:50:05,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:50:05,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:50:05,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:50:05,829 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 13 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:50:14,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:50:14,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 1020 states and 1658 transitions. [2021-11-13 23:50:14,590 INFO L276 IsEmpty]: Start isEmpty. Operand 1020 states and 1658 transitions. [2021-11-13 23:50:14,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-13 23:50:14,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:50:14,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:50:14,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:50:14,996 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 13 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:50:21,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:50:21,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1032 states and 1672 transitions. [2021-11-13 23:50:21,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1672 transitions. [2021-11-13 23:50:21,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-13 23:50:21,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:50:21,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:50:21,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:50:21,532 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-13 23:50:22,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:50:22,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1032 states and 1671 transitions. [2021-11-13 23:50:22,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1671 transitions. [2021-11-13 23:50:22,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-13 23:50:22,634 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:50:22,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:50:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:50:23,452 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-13 23:50:26,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:50:26,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1032 states and 1666 transitions. [2021-11-13 23:50:26,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1666 transitions. [2021-11-13 23:50:26,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-13 23:50:26,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:50:26,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:50:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:50:26,524 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 13 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:50:30,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:50:30,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1034 states and 1670 transitions. [2021-11-13 23:50:30,337 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1670 transitions. [2021-11-13 23:50:30,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-13 23:50:30,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:50:30,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:50:30,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:50:30,431 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 13 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:50:37,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:50:37,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 1048 states and 1687 transitions. [2021-11-13 23:50:37,930 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1687 transitions. [2021-11-13 23:50:37,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-13 23:50:37,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:50:37,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:50:37,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:50:38,023 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 13 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:50:42,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:50:42,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1695 states to 1055 states and 1695 transitions. [2021-11-13 23:50:42,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1695 transitions. [2021-11-13 23:50:42,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-13 23:50:42,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:50:42,730 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:50:42,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:50:42,820 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 13 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:50:46,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:50:46,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 1058 states and 1698 transitions. [2021-11-13 23:50:46,379 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1698 transitions. [2021-11-13 23:50:46,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-13 23:50:46,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:50:46,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:50:46,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:50:46,616 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 13 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:50:54,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:50:54,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1069 states and 1713 transitions. [2021-11-13 23:50:54,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1713 transitions. [2021-11-13 23:50:54,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-13 23:50:54,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:50:54,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:50:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:50:54,921 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 13 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:51:04,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:04,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1084 states and 1732 transitions. [2021-11-13 23:51:04,380 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1732 transitions. [2021-11-13 23:51:04,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-13 23:51:04,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:04,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:06,590 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 56 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:51:22,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:22,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1751 states to 1095 states and 1751 transitions. [2021-11-13 23:51:22,268 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1751 transitions. [2021-11-13 23:51:22,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-13 23:51:22,269 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:22,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:22,309 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 23:51:25,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:25,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1753 states to 1097 states and 1753 transitions. [2021-11-13 23:51:25,281 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1753 transitions. [2021-11-13 23:51:25,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-13 23:51:25,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:25,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:25,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:25,415 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 52 proven. 5 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-11-13 23:51:29,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:29,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1757 states to 1100 states and 1757 transitions. [2021-11-13 23:51:29,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1757 transitions. [2021-11-13 23:51:29,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-13 23:51:29,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:29,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:29,099 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 50 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 23:51:43,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:43,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1790 states to 1115 states and 1790 transitions. [2021-11-13 23:51:43,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1115 states and 1790 transitions. [2021-11-13 23:51:43,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-13 23:51:43,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:43,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:43,315 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 50 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 23:51:47,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:47,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1800 states to 1120 states and 1800 transitions. [2021-11-13 23:51:47,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1800 transitions. [2021-11-13 23:51:47,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-13 23:51:47,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:47,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:47,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:47,523 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 50 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 23:51:52,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:52,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1124 states and 1806 transitions. [2021-11-13 23:51:52,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1806 transitions. [2021-11-13 23:51:52,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-13 23:51:52,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:52,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:52,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:52,499 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 50 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 23:51:54,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:51:54,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1808 states to 1126 states and 1808 transitions. [2021-11-13 23:51:54,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 1808 transitions. [2021-11-13 23:51:54,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-13 23:51:54,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:51:54,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:51:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:51:57,849 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 71 proven. 4 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-11-13 23:52:03,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:52:03,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1816 states to 1127 states and 1816 transitions. [2021-11-13 23:52:03,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1816 transitions. [2021-11-13 23:52:03,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-13 23:52:03,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:52:03,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:52:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:52:03,675 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 25 proven. 36 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-13 23:52:11,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:52:11,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1830 states to 1134 states and 1830 transitions. [2021-11-13 23:52:11,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states and 1830 transitions. [2021-11-13 23:52:11,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-13 23:52:11,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:52:11,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:52:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:52:11,570 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 50 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 23:52:19,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:52:19,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1145 states and 1843 transitions. [2021-11-13 23:52:19,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1843 transitions. [2021-11-13 23:52:19,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-13 23:52:19,498 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:52:19,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:52:19,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:52:19,529 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 50 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-13 23:52:23,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:52:23,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1849 states to 1148 states and 1849 transitions. [2021-11-13 23:52:23,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1849 transitions. [2021-11-13 23:52:23,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-13 23:52:23,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:52:23,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:52:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:52:23,900 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 69 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:52:41,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:52:41,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1884 states to 1164 states and 1884 transitions. [2021-11-13 23:52:41,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1884 transitions. [2021-11-13 23:52:41,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-13 23:52:41,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:52:41,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:52:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:52:41,575 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 69 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:52:44,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:52:44,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1887 states to 1166 states and 1887 transitions. [2021-11-13 23:52:44,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1887 transitions. [2021-11-13 23:52:44,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-13 23:52:44,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:52:44,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:52:44,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:52:44,152 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 69 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:52:46,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:52:46,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1892 states to 1168 states and 1892 transitions. [2021-11-13 23:52:46,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1892 transitions. [2021-11-13 23:52:46,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-13 23:52:46,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:52:46,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:52:46,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:52:46,408 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 69 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-13 23:52:50,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:52:50,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1891 states to 1168 states and 1891 transitions. [2021-11-13 23:52:50,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1891 transitions. [2021-11-13 23:52:50,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-13 23:52:50,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:52:50,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:52:50,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:52:50,840 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 63 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-13 23:52:55,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:52:55,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1895 states to 1171 states and 1895 transitions. [2021-11-13 23:52:55,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 1895 transitions. [2021-11-13 23:52:55,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-13 23:52:55,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:52:55,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:52:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:52:55,825 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 63 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-13 23:52:59,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:52:59,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1897 states to 1173 states and 1897 transitions. [2021-11-13 23:52:59,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1173 states and 1897 transitions. [2021-11-13 23:52:59,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-13 23:52:59,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:52:59,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:52:59,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:53:00,243 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 41 proven. 19 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-13 23:53:36,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:53:36,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1210 states and 1965 transitions. [2021-11-13 23:53:36,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 1965 transitions. [2021-11-13 23:53:36,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-13 23:53:36,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:53:36,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:53:36,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:53:37,799 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 41 proven. 19 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.