./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f707ecda-53c2-42aa-9037-880bb8496d03/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f707ecda-53c2-42aa-9037-880bb8496d03/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f707ecda-53c2-42aa-9037-880bb8496d03/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f707ecda-53c2-42aa-9037-880bb8496d03/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f707ecda-53c2-42aa-9037-880bb8496d03/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f707ecda-53c2-42aa-9037-880bb8496d03/bin/ukojak-vF6T2TMglN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0ad27fb086e75bf8f5b08286d8e766d07abfe44ff39234568924cf55ade7a6d5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 05:42:41,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 05:42:41,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 05:42:41,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 05:42:41,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 05:42:41,530 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 05:42:41,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 05:42:41,537 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 05:42:41,540 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 05:42:41,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 05:42:41,549 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 05:42:41,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 05:42:41,550 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 05:42:41,551 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 05:42:41,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 05:42:41,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 05:42:41,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 05:42:41,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 05:42:41,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 05:42:41,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 05:42:41,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 05:42:41,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 05:42:41,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 05:42:41,587 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 05:42:41,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 05:42:41,591 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 05:42:41,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 05:42:41,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 05:42:41,593 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 05:42:41,594 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 05:42:41,594 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 05:42:41,595 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 05:42:41,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 05:42:41,597 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 05:42:41,600 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 05:42:41,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 05:42:41,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 05:42:41,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 05:42:41,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 05:42:41,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 05:42:41,604 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 05:42:41,605 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f707ecda-53c2-42aa-9037-880bb8496d03/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-21 05:42:41,631 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 05:42:41,640 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 05:42:41,641 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 05:42:41,641 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 05:42:41,642 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 05:42:41,642 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 05:42:41,643 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 05:42:41,643 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 05:42:41,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 05:42:41,643 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 05:42:41,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 05:42:41,644 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 05:42:41,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 05:42:41,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 05:42:41,645 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 05:42:41,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 05:42:41,645 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 05:42:41,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 05:42:41,646 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 05:42:41,646 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 05:42:41,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 05:42:41,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:42:41,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 05:42:41,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 05:42:41,647 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 05:42:41,647 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 05:42:41,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 05:42:41,648 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 05:42:41,648 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_f707ecda-53c2-42aa-9037-880bb8496d03/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f707ecda-53c2-42aa-9037-880bb8496d03/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ad27fb086e75bf8f5b08286d8e766d07abfe44ff39234568924cf55ade7a6d5 [2021-11-21 05:42:41,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 05:42:41,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 05:42:41,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 05:42:41,957 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 05:42:41,958 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 05:42:41,961 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f707ecda-53c2-42aa-9037-880bb8496d03/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i [2021-11-21 05:42:42,018 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f707ecda-53c2-42aa-9037-880bb8496d03/bin/ukojak-vF6T2TMglN/data/7c35c3ea0/cf9b27315086480e8f75136d9399ab2e/FLAG6e8adc0b6 [2021-11-21 05:42:42,518 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 05:42:42,519 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f707ecda-53c2-42aa-9037-880bb8496d03/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i [2021-11-21 05:42:42,535 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f707ecda-53c2-42aa-9037-880bb8496d03/bin/ukojak-vF6T2TMglN/data/7c35c3ea0/cf9b27315086480e8f75136d9399ab2e/FLAG6e8adc0b6 [2021-11-21 05:42:42,888 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f707ecda-53c2-42aa-9037-880bb8496d03/bin/ukojak-vF6T2TMglN/data/7c35c3ea0/cf9b27315086480e8f75136d9399ab2e [2021-11-21 05:42:42,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 05:42:42,892 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 05:42:42,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 05:42:42,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 05:42:42,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 05:42:42,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:42:42" (1/1) ... [2021-11-21 05:42:42,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@350ad7ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:42:42, skipping insertion in model container [2021-11-21 05:42:42,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:42:42" (1/1) ... [2021-11-21 05:42:42,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 05:42:42,938 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 05:42:43,110 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f707ecda-53c2-42aa-9037-880bb8496d03/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i[893,906] [2021-11-21 05:42:43,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:42:43,148 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 05:42:43,157 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f707ecda-53c2-42aa-9037-880bb8496d03/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i[893,906] [2021-11-21 05:42:43,165 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 05:42:43,178 INFO L208 MainTranslator]: Completed translation [2021-11-21 05:42:43,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:42:43 WrapperNode [2021-11-21 05:42:43,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 05:42:43,179 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 05:42:43,180 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 05:42:43,180 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 05:42:43,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:42:43" (1/1) ... [2021-11-21 05:42:43,194 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:42:43" (1/1) ... [2021-11-21 05:42:43,214 INFO L137 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 79 [2021-11-21 05:42:43,214 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 05:42:43,215 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 05:42:43,215 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 05:42:43,216 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 05:42:43,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:42:43" (1/1) ... [2021-11-21 05:42:43,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:42:43" (1/1) ... [2021-11-21 05:42:43,225 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:42:43" (1/1) ... [2021-11-21 05:42:43,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:42:43" (1/1) ... [2021-11-21 05:42:43,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:42:43" (1/1) ... [2021-11-21 05:42:43,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:42:43" (1/1) ... [2021-11-21 05:42:43,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:42:43" (1/1) ... [2021-11-21 05:42:43,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 05:42:43,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 05:42:43,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 05:42:43,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 05:42:43,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:42:43" (1/1) ... [2021-11-21 05:42:43,246 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 05:42:43,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f707ecda-53c2-42aa-9037-880bb8496d03/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 05:42:43,273 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f707ecda-53c2-42aa-9037-880bb8496d03/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 05:42:43,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f707ecda-53c2-42aa-9037-880bb8496d03/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 05:42:43,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 05:42:43,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 05:42:43,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 05:42:43,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 05:42:43,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 05:42:43,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 05:42:43,364 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 05:42:43,366 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 05:42:43,495 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 05:42:43,514 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 05:42:43,514 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-21 05:42:43,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:42:43 BoogieIcfgContainer [2021-11-21 05:42:43,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 05:42:43,518 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 05:42:43,518 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 05:42:43,529 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 05:42:43,529 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:42:43" (1/1) ... [2021-11-21 05:42:43,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 05:42:43,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:43,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 55 transitions. [2021-11-21 05:42:43,594 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2021-11-21 05:42:43,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:42:43,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:43,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:43,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:43,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:42:43,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:43,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 39 states and 75 transitions. [2021-11-21 05:42:43,938 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 75 transitions. [2021-11-21 05:42:43,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 05:42:43,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:43,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:44,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:42:44,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:44,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 39 states and 74 transitions. [2021-11-21 05:42:44,074 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 74 transitions. [2021-11-21 05:42:44,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 05:42:44,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:44,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:44,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:44,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:42:44,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:44,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 44 states and 86 transitions. [2021-11-21 05:42:44,342 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 86 transitions. [2021-11-21 05:42:44,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-21 05:42:44,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:44,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:44,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 05:42:44,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:44,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 46 states and 88 transitions. [2021-11-21 05:42:44,499 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 88 transitions. [2021-11-21 05:42:44,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-21 05:42:44,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:44,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:44,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:44,631 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 05:42:45,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:45,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 52 states and 105 transitions. [2021-11-21 05:42:45,122 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 105 transitions. [2021-11-21 05:42:45,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:42:45,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:45,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:45,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:45,164 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 05:42:45,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:45,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 51 states and 103 transitions. [2021-11-21 05:42:45,225 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 103 transitions. [2021-11-21 05:42:45,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-21 05:42:45,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:45,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:45,300 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 05:42:45,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:45,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 51 states and 102 transitions. [2021-11-21 05:42:45,320 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 102 transitions. [2021-11-21 05:42:45,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 05:42:45,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:45,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:45,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:45,423 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-21 05:42:45,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:45,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 57 states and 117 transitions. [2021-11-21 05:42:45,986 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 117 transitions. [2021-11-21 05:42:45,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:42:45,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:45,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:46,081 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 05:42:46,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:46,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 57 states and 116 transitions. [2021-11-21 05:42:46,164 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 116 transitions. [2021-11-21 05:42:46,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-21 05:42:46,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:46,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:46,193 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 05:42:46,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:46,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 57 states and 115 transitions. [2021-11-21 05:42:46,211 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 115 transitions. [2021-11-21 05:42:46,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 05:42:46,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:46,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:46,243 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-21 05:42:46,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:46,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 61 states and 121 transitions. [2021-11-21 05:42:46,411 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 121 transitions. [2021-11-21 05:42:46,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 05:42:46,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:46,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:46,441 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-21 05:42:46,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:46,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 64 states and 127 transitions. [2021-11-21 05:42:46,479 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 127 transitions. [2021-11-21 05:42:46,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-21 05:42:46,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:46,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:46,534 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-21 05:42:46,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:46,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 68 states and 133 transitions. [2021-11-21 05:42:46,729 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 133 transitions. [2021-11-21 05:42:46,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-21 05:42:46,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:46,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:46,772 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-21 05:42:46,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:46,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 72 states and 140 transitions. [2021-11-21 05:42:46,812 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 140 transitions. [2021-11-21 05:42:46,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-21 05:42:46,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:46,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:46,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:46,913 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-21 05:42:47,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:47,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 80 states and 165 transitions. [2021-11-21 05:42:47,906 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 165 transitions. [2021-11-21 05:42:47,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-21 05:42:47,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:47,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:47,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:47,971 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-11-21 05:42:48,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:48,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 81 states and 168 transitions. [2021-11-21 05:42:48,109 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 168 transitions. [2021-11-21 05:42:48,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 05:42:48,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:48,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:48,155 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-21 05:42:48,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:48,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 86 states and 178 transitions. [2021-11-21 05:42:48,688 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 178 transitions. [2021-11-21 05:42:48,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-21 05:42:48,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:48,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:48,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:48,723 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-21 05:42:49,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:49,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 89 states and 181 transitions. [2021-11-21 05:42:49,296 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 181 transitions. [2021-11-21 05:42:49,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-21 05:42:49,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:49,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:49,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:49,515 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-21 05:42:51,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:51,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 99 states and 210 transitions. [2021-11-21 05:42:51,286 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 210 transitions. [2021-11-21 05:42:51,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 05:42:51,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:51,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:51,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:51,346 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-21 05:42:52,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:52,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 110 states and 231 transitions. [2021-11-21 05:42:52,050 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 231 transitions. [2021-11-21 05:42:52,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 05:42:52,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:52,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:52,138 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-21 05:42:52,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:52,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 115 states and 242 transitions. [2021-11-21 05:42:52,827 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 242 transitions. [2021-11-21 05:42:52,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-21 05:42:52,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:52,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:52,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:52,858 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-21 05:42:53,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:53,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 125 states and 261 transitions. [2021-11-21 05:42:53,660 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 261 transitions. [2021-11-21 05:42:53,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 05:42:53,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:53,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:53,818 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-21 05:42:55,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:55,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 138 states and 290 transitions. [2021-11-21 05:42:55,103 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 290 transitions. [2021-11-21 05:42:55,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-21 05:42:55,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:55,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:55,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:55,153 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-21 05:42:55,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:55,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 143 states and 300 transitions. [2021-11-21 05:42:55,608 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 300 transitions. [2021-11-21 05:42:55,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 05:42:55,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:55,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:55,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:55,793 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2021-11-21 05:42:57,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:42:57,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 149 states and 317 transitions. [2021-11-21 05:42:57,635 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 317 transitions. [2021-11-21 05:42:57,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 05:42:57,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:42:57,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:42:57,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:42:58,020 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-21 05:43:00,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:00,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 158 states and 344 transitions. [2021-11-21 05:43:00,161 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 344 transitions. [2021-11-21 05:43:00,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 05:43:00,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:00,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:00,196 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-21 05:43:00,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:00,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 160 states and 350 transitions. [2021-11-21 05:43:00,850 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 350 transitions. [2021-11-21 05:43:00,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 05:43:00,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:00,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:00,986 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-21 05:43:01,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:01,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 163 states and 356 transitions. [2021-11-21 05:43:01,302 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 356 transitions. [2021-11-21 05:43:01,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-21 05:43:01,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:01,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:01,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:01,425 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 24 proven. 13 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-11-21 05:43:01,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:01,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 165 states and 360 transitions. [2021-11-21 05:43:01,990 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 360 transitions. [2021-11-21 05:43:01,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 05:43:01,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:01,992 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:02,031 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2021-11-21 05:43:02,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:02,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 173 states and 376 transitions. [2021-11-21 05:43:02,836 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 376 transitions. [2021-11-21 05:43:02,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-21 05:43:02,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:02,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:02,937 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-21 05:43:03,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:03,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 176 states and 382 transitions. [2021-11-21 05:43:03,293 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 382 transitions. [2021-11-21 05:43:03,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-21 05:43:03,295 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:03,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:03,387 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 27 proven. 12 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2021-11-21 05:43:04,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:04,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 180 states and 393 transitions. [2021-11-21 05:43:04,034 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 393 transitions. [2021-11-21 05:43:04,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-21 05:43:04,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:04,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:04,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:04,056 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2021-11-21 05:43:04,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:04,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 181 states and 393 transitions. [2021-11-21 05:43:04,351 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 393 transitions. [2021-11-21 05:43:04,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-21 05:43:04,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:04,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:04,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:04,511 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 22 proven. 13 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-21 05:43:05,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:05,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 183 states and 399 transitions. [2021-11-21 05:43:05,417 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 399 transitions. [2021-11-21 05:43:05,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-21 05:43:05,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:05,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:05,452 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2021-11-21 05:43:06,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:06,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 188 states and 408 transitions. [2021-11-21 05:43:06,602 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 408 transitions. [2021-11-21 05:43:06,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-21 05:43:06,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:06,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:06,688 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 30 proven. 10 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2021-11-21 05:43:07,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:07,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 193 states and 417 transitions. [2021-11-21 05:43:07,783 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 417 transitions. [2021-11-21 05:43:07,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-21 05:43:07,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:07,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:07,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:07,865 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-21 05:43:09,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:09,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 199 states and 440 transitions. [2021-11-21 05:43:09,105 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 440 transitions. [2021-11-21 05:43:09,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-21 05:43:09,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:09,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:09,210 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 26 proven. 4 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-21 05:43:10,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:10,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 205 states and 458 transitions. [2021-11-21 05:43:10,337 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 458 transitions. [2021-11-21 05:43:10,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-21 05:43:10,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:10,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:10,369 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 26 proven. 6 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2021-11-21 05:43:10,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:10,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 207 states and 461 transitions. [2021-11-21 05:43:10,997 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 461 transitions. [2021-11-21 05:43:10,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-21 05:43:10,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:10,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:11,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:11,146 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-11-21 05:43:13,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:13,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 214 states and 503 transitions. [2021-11-21 05:43:13,019 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 503 transitions. [2021-11-21 05:43:13,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-21 05:43:13,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:13,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:13,067 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 28 proven. 6 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-11-21 05:43:14,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:14,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 220 states and 522 transitions. [2021-11-21 05:43:14,807 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 522 transitions. [2021-11-21 05:43:14,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-21 05:43:14,808 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:14,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:14,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:14,893 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2021-11-21 05:43:15,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:15,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 221 states and 525 transitions. [2021-11-21 05:43:15,235 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 525 transitions. [2021-11-21 05:43:15,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-21 05:43:15,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:15,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:15,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:15,323 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 29 proven. 3 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2021-11-21 05:43:15,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:15,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629 states to 222 states and 532 transitions. [2021-11-21 05:43:15,736 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 532 transitions. [2021-11-21 05:43:15,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-21 05:43:15,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:15,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:15,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:15,767 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 28 proven. 20 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2021-11-21 05:43:16,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:16,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 224 states and 538 transitions. [2021-11-21 05:43:16,390 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 538 transitions. [2021-11-21 05:43:16,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-21 05:43:16,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:16,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:16,620 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-21 05:43:17,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:17,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 226 states and 552 transitions. [2021-11-21 05:43:17,365 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 552 transitions. [2021-11-21 05:43:17,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-21 05:43:17,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:17,367 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:17,471 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-21 05:43:18,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:18,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 230 states and 567 transitions. [2021-11-21 05:43:18,776 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 567 transitions. [2021-11-21 05:43:18,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-21 05:43:18,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:18,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:18,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:18,867 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 34 proven. 14 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2021-11-21 05:43:19,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:19,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 230 states and 565 transitions. [2021-11-21 05:43:19,218 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 565 transitions. [2021-11-21 05:43:19,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-21 05:43:19,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:19,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:19,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:19,313 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 30 proven. 6 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-21 05:43:21,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:21,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 241 states and 590 transitions. [2021-11-21 05:43:21,020 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 590 transitions. [2021-11-21 05:43:21,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-21 05:43:21,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:21,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:21,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:21,127 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 30 proven. 6 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-21 05:43:22,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:22,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 244 states and 598 transitions. [2021-11-21 05:43:22,230 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 598 transitions. [2021-11-21 05:43:22,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-21 05:43:22,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:22,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:22,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:22,258 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2021-11-21 05:43:22,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:22,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 244 states and 597 transitions. [2021-11-21 05:43:22,501 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 597 transitions. [2021-11-21 05:43:22,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-21 05:43:22,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:22,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:22,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:22,528 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2021-11-21 05:43:23,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:23,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 247 states and 604 transitions. [2021-11-21 05:43:23,647 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 604 transitions. [2021-11-21 05:43:23,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-21 05:43:23,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:23,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:23,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:23,754 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 36 proven. 17 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-21 05:43:24,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:24,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 252 states and 614 transitions. [2021-11-21 05:43:24,546 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 614 transitions. [2021-11-21 05:43:24,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-21 05:43:24,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:24,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:24,652 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 36 proven. 17 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-21 05:43:25,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:25,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 253 states and 622 transitions. [2021-11-21 05:43:25,046 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 622 transitions. [2021-11-21 05:43:25,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-21 05:43:25,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:25,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:25,150 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 36 proven. 17 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-21 05:43:26,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:26,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 257 states and 639 transitions. [2021-11-21 05:43:26,472 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 639 transitions. [2021-11-21 05:43:26,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-21 05:43:26,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:26,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:26,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:26,502 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 49 proven. 6 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2021-11-21 05:43:28,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:28,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 262 states and 655 transitions. [2021-11-21 05:43:28,283 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 655 transitions. [2021-11-21 05:43:28,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-21 05:43:28,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:28,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:28,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:28,317 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 32 proven. 6 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-21 05:43:28,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:28,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 265 states and 664 transitions. [2021-11-21 05:43:28,969 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 664 transitions. [2021-11-21 05:43:28,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-21 05:43:28,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:28,971 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:29,002 INFO L134 CoverageAnalysis]: Checked inductivity of 518 backedges. 32 proven. 6 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-21 05:43:29,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:29,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 269 states and 670 transitions. [2021-11-21 05:43:29,522 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 670 transitions. [2021-11-21 05:43:29,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-21 05:43:29,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:29,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:29,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:29,558 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 32 proven. 9 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-21 05:43:29,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:29,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 272 states and 680 transitions. [2021-11-21 05:43:29,635 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 680 transitions. [2021-11-21 05:43:29,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-21 05:43:29,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:29,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:29,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:29,748 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-21 05:43:30,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:30,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 275 states and 687 transitions. [2021-11-21 05:43:30,229 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 687 transitions. [2021-11-21 05:43:30,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-21 05:43:30,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:30,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:30,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:30,335 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-21 05:43:30,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:30,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 279 states and 693 transitions. [2021-11-21 05:43:30,793 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 693 transitions. [2021-11-21 05:43:30,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-21 05:43:30,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:30,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:30,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:30,974 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 34 proven. 10 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-21 05:43:31,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:31,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 282 states and 703 transitions. [2021-11-21 05:43:31,043 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 703 transitions. [2021-11-21 05:43:31,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-21 05:43:31,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:31,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:31,129 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2021-11-21 05:43:32,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:32,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 287 states and 716 transitions. [2021-11-21 05:43:32,670 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 716 transitions. [2021-11-21 05:43:32,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-21 05:43:32,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:32,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:32,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:32,751 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 34 proven. 8 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-21 05:43:33,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:33,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 290 states and 722 transitions. [2021-11-21 05:43:33,620 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 722 transitions. [2021-11-21 05:43:33,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-21 05:43:33,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:33,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:33,725 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2021-11-21 05:43:34,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:34,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 292 states and 724 transitions. [2021-11-21 05:43:34,235 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 724 transitions. [2021-11-21 05:43:34,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-21 05:43:34,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:34,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:34,349 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 44 proven. 21 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-21 05:43:34,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:34,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 296 states and 730 transitions. [2021-11-21 05:43:34,883 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 730 transitions. [2021-11-21 05:43:34,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-21 05:43:34,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:34,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:34,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:34,992 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 40 proven. 17 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-21 05:43:35,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:35,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 299 states and 740 transitions. [2021-11-21 05:43:35,068 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 740 transitions. [2021-11-21 05:43:35,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-21 05:43:35,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:35,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:35,754 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 36 proven. 35 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-21 05:43:39,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:39,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 306 states and 770 transitions. [2021-11-21 05:43:39,487 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 770 transitions. [2021-11-21 05:43:39,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-21 05:43:39,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:39,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:39,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:39,574 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 34 proven. 33 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2021-11-21 05:43:40,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:40,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 309 states and 776 transitions. [2021-11-21 05:43:40,539 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 776 transitions. [2021-11-21 05:43:40,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-21 05:43:40,541 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:40,541 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:40,567 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 57 proven. 10 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2021-11-21 05:43:41,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:41,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 313 states and 782 transitions. [2021-11-21 05:43:41,060 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 782 transitions. [2021-11-21 05:43:41,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-21 05:43:41,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:41,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:41,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:41,087 INFO L134 CoverageAnalysis]: Checked inductivity of 605 backedges. 53 proven. 6 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2021-11-21 05:43:41,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:41,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 316 states and 791 transitions. [2021-11-21 05:43:41,155 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 791 transitions. [2021-11-21 05:43:41,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-21 05:43:41,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:41,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:41,179 INFO L134 CoverageAnalysis]: Checked inductivity of 657 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2021-11-21 05:43:41,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:41,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 319 states and 797 transitions. [2021-11-21 05:43:41,973 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 797 transitions. [2021-11-21 05:43:41,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-21 05:43:41,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:41,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:42,100 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2021-11-21 05:43:43,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:43,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 319 states and 794 transitions. [2021-11-21 05:43:43,300 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 794 transitions. [2021-11-21 05:43:43,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-21 05:43:43,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:43,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:45,011 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 34 proven. 42 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-21 05:43:53,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:53,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 340 states and 867 transitions. [2021-11-21 05:43:53,586 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 867 transitions. [2021-11-21 05:43:53,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-21 05:43:53,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:53,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:53,670 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 34 proven. 36 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2021-11-21 05:43:55,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:55,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 343 states and 874 transitions. [2021-11-21 05:43:55,767 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 874 transitions. [2021-11-21 05:43:55,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-21 05:43:55,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:55,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:55,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:55,852 INFO L134 CoverageAnalysis]: Checked inductivity of 661 backedges. 42 proven. 5 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2021-11-21 05:43:56,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:56,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 345 states and 880 transitions. [2021-11-21 05:43:56,829 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 880 transitions. [2021-11-21 05:43:56,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-21 05:43:56,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:56,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:56,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:56,913 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 34 proven. 42 refuted. 0 times theorem prover too weak. 549 trivial. 0 not checked. [2021-11-21 05:43:57,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:57,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 347 states and 886 transitions. [2021-11-21 05:43:57,840 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 886 transitions. [2021-11-21 05:43:57,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-21 05:43:57,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:57,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:57,867 INFO L134 CoverageAnalysis]: Checked inductivity of 688 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 627 trivial. 0 not checked. [2021-11-21 05:43:58,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:43:58,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 350 states and 892 transitions. [2021-11-21 05:43:58,824 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 892 transitions. [2021-11-21 05:43:58,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-21 05:43:58,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:43:58,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:43:58,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:43:58,859 INFO L134 CoverageAnalysis]: Checked inductivity of 671 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 627 trivial. 0 not checked. [2021-11-21 05:44:00,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:00,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 350 states and 890 transitions. [2021-11-21 05:44:00,210 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 890 transitions. [2021-11-21 05:44:00,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-21 05:44:00,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:00,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:00,242 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 40 proven. 11 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-21 05:44:02,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:02,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1079 states to 359 states and 909 transitions. [2021-11-21 05:44:02,033 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 909 transitions. [2021-11-21 05:44:02,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-21 05:44:02,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:02,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:02,058 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 631 trivial. 0 not checked. [2021-11-21 05:44:02,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:02,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 362 states and 915 transitions. [2021-11-21 05:44:02,995 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 915 transitions. [2021-11-21 05:44:02,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-21 05:44:02,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:02,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:03,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:03,031 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 631 trivial. 0 not checked. [2021-11-21 05:44:04,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:04,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 362 states and 913 transitions. [2021-11-21 05:44:04,518 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 913 transitions. [2021-11-21 05:44:04,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-21 05:44:04,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:04,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:04,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:04,612 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 47 proven. 21 refuted. 0 times theorem prover too weak. 625 trivial. 0 not checked. [2021-11-21 05:44:07,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:07,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1113 states to 368 states and 926 transitions. [2021-11-21 05:44:07,221 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 926 transitions. [2021-11-21 05:44:07,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-21 05:44:07,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:07,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:07,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:07,252 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 42 proven. 10 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-21 05:44:09,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:09,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 374 states and 938 transitions. [2021-11-21 05:44:09,145 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 938 transitions. [2021-11-21 05:44:09,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-21 05:44:09,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:09,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:09,218 INFO L134 CoverageAnalysis]: Checked inductivity of 734 backedges. 38 proven. 10 refuted. 0 times theorem prover too weak. 686 trivial. 0 not checked. [2021-11-21 05:44:10,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:10,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 374 states and 937 transitions. [2021-11-21 05:44:10,210 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 937 transitions. [2021-11-21 05:44:10,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-21 05:44:10,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:10,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:10,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:10,295 INFO L134 CoverageAnalysis]: Checked inductivity of 700 backedges. 48 proven. 23 refuted. 0 times theorem prover too weak. 629 trivial. 0 not checked. [2021-11-21 05:44:12,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:12,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 378 states and 945 transitions. [2021-11-21 05:44:12,094 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 945 transitions. [2021-11-21 05:44:12,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-21 05:44:12,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:12,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:12,170 INFO L134 CoverageAnalysis]: Checked inductivity of 700 backedges. 48 proven. 23 refuted. 0 times theorem prover too weak. 629 trivial. 0 not checked. [2021-11-21 05:44:13,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:13,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 380 states and 949 transitions. [2021-11-21 05:44:13,309 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 949 transitions. [2021-11-21 05:44:13,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-21 05:44:13,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:13,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:13,339 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 44 proven. 17 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-21 05:44:15,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:15,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 389 states and 968 transitions. [2021-11-21 05:44:15,302 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 968 transitions. [2021-11-21 05:44:15,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-21 05:44:15,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:15,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:15,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:16,800 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 38 proven. 18 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-21 05:44:24,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:24,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 407 states and 1026 transitions. [2021-11-21 05:44:24,142 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 1026 transitions. [2021-11-21 05:44:24,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-21 05:44:24,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:24,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:24,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:24,185 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 38 proven. 18 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-21 05:44:27,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:27,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 412 states and 1052 transitions. [2021-11-21 05:44:27,177 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 1052 transitions. [2021-11-21 05:44:27,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-21 05:44:27,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:27,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:27,259 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 38 proven. 12 refuted. 0 times theorem prover too weak. 688 trivial. 0 not checked. [2021-11-21 05:44:29,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:29,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 416 states and 1059 transitions. [2021-11-21 05:44:29,150 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 1059 transitions. [2021-11-21 05:44:29,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-21 05:44:29,152 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:29,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:29,400 INFO L134 CoverageAnalysis]: Checked inductivity of 814 backedges. 40 proven. 14 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-11-21 05:44:32,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:32,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 421 states and 1068 transitions. [2021-11-21 05:44:32,145 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 1068 transitions. [2021-11-21 05:44:32,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-21 05:44:32,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:32,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:32,175 INFO L134 CoverageAnalysis]: Checked inductivity of 749 backedges. 61 proven. 4 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-21 05:44:33,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:33,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 426 states and 1077 transitions. [2021-11-21 05:44:33,575 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 1077 transitions. [2021-11-21 05:44:33,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-21 05:44:33,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:33,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:33,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:33,658 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 38 proven. 14 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2021-11-21 05:44:34,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:34,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1293 states to 428 states and 1082 transitions. [2021-11-21 05:44:34,975 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 1082 transitions. [2021-11-21 05:44:34,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-21 05:44:34,977 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:34,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:34,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:35,012 INFO L134 CoverageAnalysis]: Checked inductivity of 746 backedges. 46 proven. 14 refuted. 0 times theorem prover too weak. 686 trivial. 0 not checked. [2021-11-21 05:44:37,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:37,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 434 states and 1093 transitions. [2021-11-21 05:44:37,097 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 1093 transitions. [2021-11-21 05:44:37,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-21 05:44:37,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:37,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:37,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:37,130 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 40 proven. 12 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2021-11-21 05:44:37,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:37,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1306 states to 436 states and 1095 transitions. [2021-11-21 05:44:37,587 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 1095 transitions. [2021-11-21 05:44:37,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-21 05:44:37,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:37,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:37,617 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 40 proven. 12 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2021-11-21 05:44:39,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:39,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 449 states and 1122 transitions. [2021-11-21 05:44:39,609 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 1122 transitions. [2021-11-21 05:44:39,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-21 05:44:39,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:39,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:39,700 INFO L134 CoverageAnalysis]: Checked inductivity of 817 backedges. 41 proven. 11 refuted. 0 times theorem prover too weak. 765 trivial. 0 not checked. [2021-11-21 05:44:40,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:40,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 451 states and 1124 transitions. [2021-11-21 05:44:40,159 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 1124 transitions. [2021-11-21 05:44:40,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-21 05:44:40,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:40,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:40,188 INFO L134 CoverageAnalysis]: Checked inductivity of 848 backedges. 40 proven. 35 refuted. 0 times theorem prover too weak. 773 trivial. 0 not checked. [2021-11-21 05:44:41,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:41,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 461 states and 1141 transitions. [2021-11-21 05:44:41,378 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 1141 transitions. [2021-11-21 05:44:41,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-11-21 05:44:41,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:41,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:41,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1088 backedges. 49 proven. 26 refuted. 0 times theorem prover too weak. 1013 trivial. 0 not checked. [2021-11-21 05:44:48,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:48,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 470 states and 1176 transitions. [2021-11-21 05:44:48,291 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 1176 transitions. [2021-11-21 05:44:48,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-11-21 05:44:48,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:48,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:48,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:48,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1088 backedges. 46 proven. 26 refuted. 0 times theorem prover too weak. 1016 trivial. 0 not checked. [2021-11-21 05:44:50,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:50,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 473 states and 1182 transitions. [2021-11-21 05:44:50,010 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 1182 transitions. [2021-11-21 05:44:50,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-21 05:44:50,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:50,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:50,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1184 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 1118 trivial. 0 not checked. [2021-11-21 05:44:51,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:51,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 476 states and 1187 transitions. [2021-11-21 05:44:51,136 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 1187 transitions. [2021-11-21 05:44:51,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-21 05:44:51,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:51,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:51,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:51,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1191 backedges. 60 proven. 13 refuted. 0 times theorem prover too weak. 1118 trivial. 0 not checked. [2021-11-21 05:44:53,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:44:53,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 480 states and 1194 transitions. [2021-11-21 05:44:53,576 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 1194 transitions. [2021-11-21 05:44:53,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-21 05:44:53,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:44:53,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:44:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:44:55,088 INFO L134 CoverageAnalysis]: Checked inductivity of 1281 backedges. 69 proven. 12 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-21 05:45:07,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:07,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 509 states and 1285 transitions. [2021-11-21 05:45:07,875 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 1285 transitions. [2021-11-21 05:45:07,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-21 05:45:07,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:07,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:07,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 50 proven. 15 refuted. 0 times theorem prover too weak. 1212 trivial. 0 not checked. [2021-11-21 05:45:10,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:10,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 513 states and 1292 transitions. [2021-11-21 05:45:10,065 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 1292 transitions. [2021-11-21 05:45:10,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2021-11-21 05:45:10,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:10,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:10,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:10,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1281 backedges. 69 proven. 12 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2021-11-21 05:45:12,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:12,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 516 states and 1319 transitions. [2021-11-21 05:45:12,651 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 1319 transitions. [2021-11-21 05:45:12,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-21 05:45:12,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:12,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:12,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 59 proven. 19 refuted. 0 times theorem prover too weak. 1201 trivial. 0 not checked. [2021-11-21 05:45:20,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:20,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 538 states and 1369 transitions. [2021-11-21 05:45:20,386 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1369 transitions. [2021-11-21 05:45:20,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-21 05:45:20,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:20,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:20,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 59 proven. 19 refuted. 0 times theorem prover too weak. 1201 trivial. 0 not checked. [2021-11-21 05:45:21,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:21,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 539 states and 1371 transitions. [2021-11-21 05:45:21,405 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 1371 transitions. [2021-11-21 05:45:21,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2021-11-21 05:45:21,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:21,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:21,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1287 backedges. 66 proven. 19 refuted. 0 times theorem prover too weak. 1202 trivial. 0 not checked. [2021-11-21 05:45:25,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:25,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 550 states and 1394 transitions. [2021-11-21 05:45:25,763 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 1394 transitions. [2021-11-21 05:45:25,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-11-21 05:45:25,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:25,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:25,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:25,812 INFO L134 CoverageAnalysis]: Checked inductivity of 1290 backedges. 50 proven. 39 refuted. 0 times theorem prover too weak. 1201 trivial. 0 not checked. [2021-11-21 05:45:27,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:27,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 560 states and 1411 transitions. [2021-11-21 05:45:27,599 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 1411 transitions. [2021-11-21 05:45:27,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2021-11-21 05:45:27,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:27,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:27,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:27,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1379 backedges. 53 proven. 16 refuted. 0 times theorem prover too weak. 1310 trivial. 0 not checked. [2021-11-21 05:45:28,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:28,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1638 states to 562 states and 1413 transitions. [2021-11-21 05:45:28,388 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 1413 transitions. [2021-11-21 05:45:28,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-21 05:45:28,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:28,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:28,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1387 backedges. 52 proven. 27 refuted. 0 times theorem prover too weak. 1308 trivial. 0 not checked. [2021-11-21 05:45:28,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:28,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 567 states and 1421 transitions. [2021-11-21 05:45:28,541 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 1421 transitions. [2021-11-21 05:45:28,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-11-21 05:45:28,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:28,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:28,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1392 backedges. 52 proven. 28 refuted. 0 times theorem prover too weak. 1312 trivial. 0 not checked. [2021-11-21 05:45:29,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:29,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 572 states and 1430 transitions. [2021-11-21 05:45:29,342 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 1430 transitions. [2021-11-21 05:45:29,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-11-21 05:45:29,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:29,344 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:29,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:29,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1392 backedges. 52 proven. 28 refuted. 0 times theorem prover too weak. 1312 trivial. 0 not checked. [2021-11-21 05:45:31,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:31,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 582 states and 1448 transitions. [2021-11-21 05:45:31,361 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 1448 transitions. [2021-11-21 05:45:31,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2021-11-21 05:45:31,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:31,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:31,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1392 backedges. 52 proven. 28 refuted. 0 times theorem prover too weak. 1312 trivial. 0 not checked. [2021-11-21 05:45:32,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:32,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1681 states to 587 states and 1456 transitions. [2021-11-21 05:45:32,603 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 1456 transitions. [2021-11-21 05:45:32,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-21 05:45:32,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:32,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:32,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:32,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1966 backedges. 62 proven. 18 refuted. 0 times theorem prover too weak. 1886 trivial. 0 not checked. [2021-11-21 05:45:35,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:35,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1691 states to 591 states and 1463 transitions. [2021-11-21 05:45:35,327 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1463 transitions. [2021-11-21 05:45:35,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-21 05:45:35,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:35,329 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:35,714 INFO L134 CoverageAnalysis]: Checked inductivity of 1970 backedges. 91 proven. 18 refuted. 0 times theorem prover too weak. 1861 trivial. 0 not checked. [2021-11-21 05:45:47,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:47,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1756 states to 618 states and 1526 transitions. [2021-11-21 05:45:47,218 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 1526 transitions. [2021-11-21 05:45:47,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-21 05:45:47,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:47,219 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:47,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1970 backedges. 91 proven. 18 refuted. 0 times theorem prover too weak. 1861 trivial. 0 not checked. [2021-11-21 05:45:48,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:48,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 619 states and 1530 transitions. [2021-11-21 05:45:48,182 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 1530 transitions. [2021-11-21 05:45:48,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-21 05:45:48,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:48,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:48,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1970 backedges. 91 proven. 18 refuted. 0 times theorem prover too weak. 1861 trivial. 0 not checked. [2021-11-21 05:45:50,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:50,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1768 states to 622 states and 1537 transitions. [2021-11-21 05:45:50,908 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 1537 transitions. [2021-11-21 05:45:50,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-21 05:45:50,911 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:50,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:50,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1970 backedges. 91 proven. 18 refuted. 0 times theorem prover too weak. 1861 trivial. 0 not checked. [2021-11-21 05:45:51,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:51,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1774 states to 626 states and 1543 transitions. [2021-11-21 05:45:51,955 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 1543 transitions. [2021-11-21 05:45:51,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-21 05:45:51,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:51,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:51,994 INFO L134 CoverageAnalysis]: Checked inductivity of 1970 backedges. 91 proven. 18 refuted. 0 times theorem prover too weak. 1861 trivial. 0 not checked. [2021-11-21 05:45:52,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:52,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1778 states to 627 states and 1547 transitions. [2021-11-21 05:45:52,912 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 1547 transitions. [2021-11-21 05:45:52,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-21 05:45:52,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:52,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:52,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:52,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1970 backedges. 86 proven. 23 refuted. 0 times theorem prover too weak. 1861 trivial. 0 not checked. [2021-11-21 05:45:54,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:54,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1797 states to 637 states and 1566 transitions. [2021-11-21 05:45:54,631 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 1566 transitions. [2021-11-21 05:45:54,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-11-21 05:45:54,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:54,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:54,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:54,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1975 backedges. 89 proven. 25 refuted. 0 times theorem prover too weak. 1861 trivial. 0 not checked. [2021-11-21 05:45:56,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:45:56,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1812 states to 644 states and 1581 transitions. [2021-11-21 05:45:56,549 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 1581 transitions. [2021-11-21 05:45:56,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-21 05:45:56,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:45:56,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:45:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:45:57,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2093 backedges. 75 proven. 34 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2021-11-21 05:46:01,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:01,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1833 states to 654 states and 1602 transitions. [2021-11-21 05:46:01,476 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 1602 transitions. [2021-11-21 05:46:01,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-21 05:46:01,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:01,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:01,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2093 backedges. 75 proven. 34 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2021-11-21 05:46:04,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:04,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1845 states to 660 states and 1614 transitions. [2021-11-21 05:46:04,173 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 1614 transitions. [2021-11-21 05:46:04,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2021-11-21 05:46:04,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:04,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:04,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2093 backedges. 64 proven. 20 refuted. 0 times theorem prover too weak. 2009 trivial. 0 not checked. [2021-11-21 05:46:04,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:04,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1853 states to 665 states and 1622 transitions. [2021-11-21 05:46:04,331 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 1622 transitions. [2021-11-21 05:46:04,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-11-21 05:46:04,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:04,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:04,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:04,381 INFO L134 CoverageAnalysis]: Checked inductivity of 2122 backedges. 70 proven. 68 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2021-11-21 05:46:06,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:06,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1866 states to 671 states and 1635 transitions. [2021-11-21 05:46:06,326 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 1635 transitions. [2021-11-21 05:46:06,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-11-21 05:46:06,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:06,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:06,371 INFO L134 CoverageAnalysis]: Checked inductivity of 2122 backedges. 70 proven. 68 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2021-11-21 05:46:06,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:06,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 677 states and 1645 transitions. [2021-11-21 05:46:06,924 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 1645 transitions. [2021-11-21 05:46:06,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-11-21 05:46:06,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:06,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:06,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:06,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2962 backedges. 76 proven. 35 refuted. 0 times theorem prover too weak. 2851 trivial. 0 not checked. [2021-11-21 05:46:09,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:09,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1895 states to 687 states and 1664 transitions. [2021-11-21 05:46:09,251 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 1664 transitions. [2021-11-21 05:46:09,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-11-21 05:46:09,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:09,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:09,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2962 backedges. 76 proven. 35 refuted. 0 times theorem prover too weak. 2851 trivial. 0 not checked. [2021-11-21 05:46:10,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:10,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1901 states to 691 states and 1670 transitions. [2021-11-21 05:46:10,115 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 1670 transitions. [2021-11-21 05:46:10,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2021-11-21 05:46:10,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:10,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:10,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:10,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2962 backedges. 76 proven. 35 refuted. 0 times theorem prover too weak. 2851 trivial. 0 not checked. [2021-11-21 05:46:10,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:10,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1902 states to 692 states and 1671 transitions. [2021-11-21 05:46:10,678 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 1671 transitions. [2021-11-21 05:46:10,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-11-21 05:46:10,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 05:46:10,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 05:46:10,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 05:46:10,720 INFO L134 CoverageAnalysis]: Checked inductivity of 3007 backedges. 76 proven. 58 refuted. 0 times theorem prover too weak. 2873 trivial. 0 not checked. [2021-11-21 05:46:10,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 05:46:10,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1910 states to 153 states and 281 transitions. [2021-11-21 05:46:10,844 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 281 transitions. [2021-11-21 05:46:10,845 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-21 05:46:10,845 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 132 iterations. [2021-11-21 05:46:10,852 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-21 05:46:12,342 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-21 05:46:12,355 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-21 05:46:12,355 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-21 05:46:12,355 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-21 05:46:12,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 05:46:12 ImpRootNode [2021-11-21 05:46:12,357 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-21 05:46:12,357 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 05:46:12,358 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 05:46:12,358 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 05:46:12,358 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:42:43" (3/4) ... [2021-11-21 05:46:12,363 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-21 05:46:12,367 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-21 05:46:12,371 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-21 05:46:12,371 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-21 05:46:12,371 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-21 05:46:12,371 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-21 05:46:12,413 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f707ecda-53c2-42aa-9037-880bb8496d03/bin/ukojak-vF6T2TMglN/witness.graphml [2021-11-21 05:46:12,413 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 05:46:12,414 INFO L158 Benchmark]: Toolchain (without parser) took 209522.55ms. Allocated memory was 86.0MB in the beginning and 2.9GB in the end (delta: 2.8GB). Free memory was 48.7MB in the beginning and 2.6GB in the end (delta: -2.5GB). Peak memory consumption was 296.3MB. Max. memory is 16.1GB. [2021-11-21 05:46:12,415 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 86.0MB. Free memory is still 65.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:46:12,415 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.93ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 48.5MB in the beginning and 81.7MB in the end (delta: -33.2MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2021-11-21 05:46:12,416 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.22ms. Allocated memory is still 107.0MB. Free memory was 81.5MB in the beginning and 79.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 05:46:12,416 INFO L158 Benchmark]: Boogie Preprocessor took 21.47ms. Allocated memory is still 107.0MB. Free memory was 79.9MB in the beginning and 79.0MB in the end (delta: 918.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 05:46:12,416 INFO L158 Benchmark]: RCFGBuilder took 279.82ms. Allocated memory is still 107.0MB. Free memory was 78.8MB in the beginning and 67.9MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-21 05:46:12,417 INFO L158 Benchmark]: CodeCheck took 208838.94ms. Allocated memory was 107.0MB in the beginning and 2.9GB in the end (delta: 2.8GB). Free memory was 67.9MB in the beginning and 2.6GB in the end (delta: -2.5GB). Peak memory consumption was 689.0MB. Max. memory is 16.1GB. [2021-11-21 05:46:12,417 INFO L158 Benchmark]: Witness Printer took 56.15ms. Allocated memory is still 2.9GB. Free memory was 2.6GB in the beginning and 2.6GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-21 05:46:12,420 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 207.3s, OverallIterations: 132, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 119110 SdHoareTripleChecker+Valid, 403.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36915 mSDsluCounter, 45865 SdHoareTripleChecker+Invalid, 336.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 35116 mSDsCounter, 93371 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 320953 IncrementalHoareTripleChecker+Invalid, 414324 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 93371 mSolverCounterUnsat, 10749 mSDtfsCounter, 320953 mSolverCounterSat, 4.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 213091 GetRequests, 208727 SyntacticMatches, 2856 SemanticMatches, 1508 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1332688 ImplicationChecksByTransitivity, 190.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 15.0s InterpolantComputationTime, 13868 NumberOfCodeBlocks, 13868 NumberOfCodeBlocksAsserted, 131 NumberOfCheckSat, 13737 ConstructedInterpolants, 0 QuantifiedInterpolants, 27970 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 131 InterpolantComputations, 31 PerfectInterpolantSequences, 97920/99616 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 86.0MB. Free memory is still 65.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.93ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 48.5MB in the beginning and 81.7MB in the end (delta: -33.2MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.22ms. Allocated memory is still 107.0MB. Free memory was 81.5MB in the beginning and 79.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.47ms. Allocated memory is still 107.0MB. Free memory was 79.9MB in the beginning and 79.0MB in the end (delta: 918.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 279.82ms. Allocated memory is still 107.0MB. Free memory was 78.8MB in the beginning and 67.9MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 208838.94ms. Allocated memory was 107.0MB in the beginning and 2.9GB in the end (delta: 2.8GB). Free memory was 67.9MB in the beginning and 2.6GB in the end (delta: -2.5GB). Peak memory consumption was 689.0MB. Max. memory is 16.1GB. * Witness Printer took 56.15ms. Allocated memory is still 2.9GB. Free memory was 2.6GB in the beginning and 2.6GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-21 05:46:12,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f707ecda-53c2-42aa-9037-880bb8496d03/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE