./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b629c0d-911f-4032-861a-0a4902f8c322/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b629c0d-911f-4032-861a-0a4902f8c322/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b629c0d-911f-4032-861a-0a4902f8c322/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b629c0d-911f-4032-861a-0a4902f8c322/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b629c0d-911f-4032-861a-0a4902f8c322/bin/ukojak-LBtLqBUTdQ/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b629c0d-911f-4032-861a-0a4902f8c322/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 68e1c5cf050539b3ee8f058d38ff7af5aea2a400d05e41e0185e4509f45301e0 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:17:30,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:17:30,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:17:30,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:17:30,123 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:17:30,124 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:17:30,127 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:17:30,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:17:30,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:17:30,134 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:17:30,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:17:30,137 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:17:30,138 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:17:30,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:17:30,142 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:17:30,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:17:30,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:17:30,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:17:30,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:17:30,152 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:17:30,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:17:30,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:17:30,159 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:17:30,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:17:30,165 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:17:30,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:17:30,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:17:30,168 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:17:30,168 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:17:30,170 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:17:30,171 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:17:30,172 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:17:30,173 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:17:30,174 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:17:30,176 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:17:30,177 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:17:30,178 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:17:30,178 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:17:30,179 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:17:30,180 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:17:30,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:17:30,183 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b629c0d-911f-4032-861a-0a4902f8c322/bin/ukojak-LBtLqBUTdQ/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2021-11-22 23:17:30,209 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:17:30,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:17:30,211 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:17:30,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:17:30,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:17:30,212 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:17:30,213 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-22 23:17:30,213 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:17:30,213 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:17:30,214 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:17:30,214 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-22 23:17:30,214 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-22 23:17:30,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:17:30,215 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:17:30,215 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:17:30,216 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:17:30,216 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:17:30,217 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:17:30,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:17:30,217 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:17:30,218 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:17:30,218 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:17:30,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:17:30,219 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_8b629c0d-911f-4032-861a-0a4902f8c322/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b629c0d-911f-4032-861a-0a4902f8c322/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68e1c5cf050539b3ee8f058d38ff7af5aea2a400d05e41e0185e4509f45301e0 [2021-11-22 23:17:30,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:17:30,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:17:30,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:17:30,539 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:17:30,540 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:17:30,542 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b629c0d-911f-4032-861a-0a4902f8c322/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-2.i [2021-11-22 23:17:30,608 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b629c0d-911f-4032-861a-0a4902f8c322/bin/ukojak-LBtLqBUTdQ/data/42f948764/eb05c522ea3149ca9edf068a3720f067/FLAG88bbe1243 [2021-11-22 23:17:31,224 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:17:31,225 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b629c0d-911f-4032-861a-0a4902f8c322/sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-2.i [2021-11-22 23:17:31,242 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b629c0d-911f-4032-861a-0a4902f8c322/bin/ukojak-LBtLqBUTdQ/data/42f948764/eb05c522ea3149ca9edf068a3720f067/FLAG88bbe1243 [2021-11-22 23:17:31,514 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b629c0d-911f-4032-861a-0a4902f8c322/bin/ukojak-LBtLqBUTdQ/data/42f948764/eb05c522ea3149ca9edf068a3720f067 [2021-11-22 23:17:31,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:17:31,519 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:17:31,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:17:31,521 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:17:31,524 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:17:31,525 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:17:31" (1/1) ... [2021-11-22 23:17:31,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df973bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:31, skipping insertion in model container [2021-11-22 23:17:31,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:17:31" (1/1) ... [2021-11-22 23:17:31,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:17:31,581 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:17:32,006 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_8b629c0d-911f-4032-861a-0a4902f8c322/sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-2.i[25013,25026] [2021-11-22 23:17:32,009 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:17:32,018 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:17:32,083 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_8b629c0d-911f-4032-861a-0a4902f8c322/sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-2.i[25013,25026] [2021-11-22 23:17:32,084 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:17:32,120 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:17:32,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:32 WrapperNode [2021-11-22 23:17:32,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:17:32,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:17:32,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:17:32,126 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:17:32,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:32" (1/1) ... [2021-11-22 23:17:32,152 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:32" (1/1) ... [2021-11-22 23:17:32,199 INFO L137 Inliner]: procedures = 129, calls = 40, calls flagged for inlining = 10, calls inlined = 14, statements flattened = 250 [2021-11-22 23:17:32,199 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:17:32,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:17:32,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:17:32,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:17:32,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:32" (1/1) ... [2021-11-22 23:17:32,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:32" (1/1) ... [2021-11-22 23:17:32,215 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:32" (1/1) ... [2021-11-22 23:17:32,215 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:32" (1/1) ... [2021-11-22 23:17:32,228 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:32" (1/1) ... [2021-11-22 23:17:32,235 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:32" (1/1) ... [2021-11-22 23:17:32,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:32" (1/1) ... [2021-11-22 23:17:32,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:17:32,244 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:17:32,244 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:17:32,245 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:17:32,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:32" (1/1) ... [2021-11-22 23:17:32,253 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:17:32,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b629c0d-911f-4032-861a-0a4902f8c322/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:17:32,292 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b629c0d-911f-4032-861a-0a4902f8c322/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:17:32,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b629c0d-911f-4032-861a-0a4902f8c322/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:17:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 23:17:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:17:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 23:17:32,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 23:17:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 23:17:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:17:32,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-22 23:17:32,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:17:32,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:17:32,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:17:32,449 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:17:32,451 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:17:33,100 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:17:33,240 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:17:33,240 INFO L301 CfgBuilder]: Removed 11 assume(true) statements. [2021-11-22 23:17:33,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:17:33 BoogieIcfgContainer [2021-11-22 23:17:33,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:17:33,244 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:17:33,244 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:17:33,255 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:17:33,255 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:17:33" (1/1) ... [2021-11-22 23:17:33,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:17:33,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:33,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 126 states and 149 transitions. [2021-11-22 23:17:33,334 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 149 transitions. [2021-11-22 23:17:33,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-22 23:17:33,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:33,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:33,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:33,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:33,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:33,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 127 states and 151 transitions. [2021-11-22 23:17:33,567 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 151 transitions. [2021-11-22 23:17:33,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-22 23:17:33,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:33,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:33,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:33,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:33,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:33,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 131 states and 160 transitions. [2021-11-22 23:17:33,725 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 160 transitions. [2021-11-22 23:17:33,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:17:33,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:33,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:33,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:33,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:33,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 130 states and 159 transitions. [2021-11-22 23:17:33,840 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 159 transitions. [2021-11-22 23:17:33,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:17:33,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:33,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:33,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:34,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:34,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 129 states and 158 transitions. [2021-11-22 23:17:34,053 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 158 transitions. [2021-11-22 23:17:34,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:17:34,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:34,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:34,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:34,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:34,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:34,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 136 states and 174 transitions. [2021-11-22 23:17:34,542 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 174 transitions. [2021-11-22 23:17:34,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:17:34,543 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:34,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:34,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:34,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:34,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 135 states and 173 transitions. [2021-11-22 23:17:34,596 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 173 transitions. [2021-11-22 23:17:34,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:17:34,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:34,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:34,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:34,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:34,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:34,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 139 states and 182 transitions. [2021-11-22 23:17:34,913 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 182 transitions. [2021-11-22 23:17:34,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-22 23:17:34,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:34,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:35,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:35,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:35,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 142 states and 187 transitions. [2021-11-22 23:17:35,274 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 187 transitions. [2021-11-22 23:17:35,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:17:35,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:35,275 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:35,358 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:17:35,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:35,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 144 states and 191 transitions. [2021-11-22 23:17:35,678 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 191 transitions. [2021-11-22 23:17:35,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-22 23:17:35,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:35,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:35,833 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:36,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:36,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 147 states and 198 transitions. [2021-11-22 23:17:36,226 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 198 transitions. [2021-11-22 23:17:36,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:17:36,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:36,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:36,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:36,262 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:36,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:36,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 150 states and 205 transitions. [2021-11-22 23:17:36,516 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 205 transitions. [2021-11-22 23:17:36,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:17:36,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:36,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:36,607 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:37,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:37,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 153 states and 209 transitions. [2021-11-22 23:17:37,019 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 209 transitions. [2021-11-22 23:17:37,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:17:37,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:37,020 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:37,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:37,058 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:37,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:37,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 154 states and 210 transitions. [2021-11-22 23:17:37,216 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 210 transitions. [2021-11-22 23:17:37,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-22 23:17:37,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:37,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:37,247 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:17:37,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:37,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 153 states and 209 transitions. [2021-11-22 23:17:37,267 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 209 transitions. [2021-11-22 23:17:37,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:17:37,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:37,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:37,470 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:37,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:37,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 154 states and 211 transitions. [2021-11-22 23:17:37,738 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 211 transitions. [2021-11-22 23:17:37,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:17:37,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:37,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:37,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:37,767 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:17:37,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:37,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 155 states and 213 transitions. [2021-11-22 23:17:37,977 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 213 transitions. [2021-11-22 23:17:37,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:17:37,978 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:37,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:37,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:38,084 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:17:38,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:38,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 159 states and 218 transitions. [2021-11-22 23:17:38,499 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 218 transitions. [2021-11-22 23:17:38,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:17:38,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:38,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:38,791 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:17:40,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:40,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 155 states and 212 transitions. [2021-11-22 23:17:40,296 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 212 transitions. [2021-11-22 23:17:40,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:17:40,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:40,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:40,701 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:17:43,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:43,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 163 states and 226 transitions. [2021-11-22 23:17:43,183 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 226 transitions. [2021-11-22 23:17:43,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:17:43,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:43,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:43,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:43,221 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:17:43,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:43,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 162 states and 225 transitions. [2021-11-22 23:17:43,235 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 225 transitions. [2021-11-22 23:17:43,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:17:43,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:43,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:43,439 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:17:43,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:43,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 163 states and 227 transitions. [2021-11-22 23:17:43,901 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 227 transitions. [2021-11-22 23:17:43,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:43,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:43,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:44,042 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:17:44,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:44,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 162 states and 226 transitions. [2021-11-22 23:17:44,148 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 226 transitions. [2021-11-22 23:17:44,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 23:17:44,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:44,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:44,285 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:17:44,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:44,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 163 states and 227 transitions. [2021-11-22 23:17:44,654 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 227 transitions. [2021-11-22 23:17:44,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:17:44,655 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:44,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:45,304 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:17:50,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:50,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 181 states and 267 transitions. [2021-11-22 23:17:50,130 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 267 transitions. [2021-11-22 23:17:50,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:17:50,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:50,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:50,593 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-22 23:17:57,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:57,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 199 states and 305 transitions. [2021-11-22 23:17:57,018 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 305 transitions. [2021-11-22 23:17:57,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:17:57,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:57,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:57,053 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:17:57,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:57,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 202 states and 310 transitions. [2021-11-22 23:17:57,092 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 310 transitions. [2021-11-22 23:17:57,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:17:57,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:57,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:57,145 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:17:57,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:57,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 201 states and 309 transitions. [2021-11-22 23:17:57,159 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 309 transitions. [2021-11-22 23:17:57,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:17:57,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:57,162 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:57,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:17:57,715 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-22 23:17:58,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:17:58,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 203 states and 313 transitions. [2021-11-22 23:17:58,659 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 313 transitions. [2021-11-22 23:17:58,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-22 23:17:58,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:17:58,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:17:58,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:00,844 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-22 23:18:11,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:11,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 222 states and 351 transitions. [2021-11-22 23:18:11,772 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 351 transitions. [2021-11-22 23:18:11,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:18:11,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:11,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:11,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:11,806 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:18:12,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:12,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 225 states and 355 transitions. [2021-11-22 23:18:12,067 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 355 transitions. [2021-11-22 23:18:12,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:18:12,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:12,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:12,102 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:13,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:13,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 229 states and 361 transitions. [2021-11-22 23:18:13,971 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 361 transitions. [2021-11-22 23:18:13,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:18:13,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:13,972 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:14,008 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:16,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:16,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 233 states and 367 transitions. [2021-11-22 23:18:16,046 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 367 transitions. [2021-11-22 23:18:16,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 23:18:16,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:16,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:16,085 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:18:18,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:18,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 237 states and 373 transitions. [2021-11-22 23:18:18,502 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 373 transitions. [2021-11-22 23:18:18,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:18:18,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:18,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:18,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:18,579 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-22 23:18:18,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:18,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 245 states and 388 transitions. [2021-11-22 23:18:18,678 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 388 transitions. [2021-11-22 23:18:18,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:18:18,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:18,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:18,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:18,867 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-22 23:18:19,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:19,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 253 states and 403 transitions. [2021-11-22 23:18:19,546 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 403 transitions. [2021-11-22 23:18:19,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:18:19,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:19,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:19,619 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:18:20,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:20,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 257 states and 410 transitions. [2021-11-22 23:18:20,760 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 410 transitions. [2021-11-22 23:18:20,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:18:20,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:20,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:20,782 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-22 23:18:20,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:20,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 256 states and 409 transitions. [2021-11-22 23:18:20,796 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 409 transitions. [2021-11-22 23:18:20,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:18:20,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:20,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:20,884 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-22 23:18:20,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:20,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 257 states and 411 transitions. [2021-11-22 23:18:20,912 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 411 transitions. [2021-11-22 23:18:20,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:18:20,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:20,913 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:20,974 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-22 23:18:31,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:31,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 275 states and 443 transitions. [2021-11-22 23:18:31,532 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 443 transitions. [2021-11-22 23:18:31,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:18:31,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:31,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:31,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:31,559 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-22 23:18:31,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:31,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 274 states and 442 transitions. [2021-11-22 23:18:31,575 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 442 transitions. [2021-11-22 23:18:31,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:18:31,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:31,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:31,611 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-22 23:18:31,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:31,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 275 states and 443 transitions. [2021-11-22 23:18:31,632 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 443 transitions. [2021-11-22 23:18:31,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:18:31,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:31,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:31,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:32,195 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:18:33,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:33,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 279 states and 450 transitions. [2021-11-22 23:18:33,193 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 450 transitions. [2021-11-22 23:18:33,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:18:33,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:33,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:33,276 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-22 23:18:37,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:37,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 300 states and 492 transitions. [2021-11-22 23:18:37,266 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 492 transitions. [2021-11-22 23:18:37,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:18:37,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:37,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:37,375 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-22 23:18:41,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:41,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 321 states and 529 transitions. [2021-11-22 23:18:41,561 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 529 transitions. [2021-11-22 23:18:41,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-22 23:18:41,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:41,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:41,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:41,595 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-22 23:18:53,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:53,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 339 states and 561 transitions. [2021-11-22 23:18:53,521 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 561 transitions. [2021-11-22 23:18:53,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:18:53,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:53,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:53,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:53,543 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-22 23:18:53,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:53,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 338 states and 560 transitions. [2021-11-22 23:18:53,559 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 560 transitions. [2021-11-22 23:18:53,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:18:53,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:53,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:53,588 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-22 23:18:53,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:53,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 340 states and 564 transitions. [2021-11-22 23:18:53,608 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 564 transitions. [2021-11-22 23:18:53,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:18:53,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:53,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:53,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:54,277 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-22 23:18:58,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:18:58,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 362 states and 601 transitions. [2021-11-22 23:18:58,749 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 601 transitions. [2021-11-22 23:18:58,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:18:58,750 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:18:58,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:18:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:18:59,946 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:19:14,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:14,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 376 states and 626 transitions. [2021-11-22 23:19:14,485 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 626 transitions. [2021-11-22 23:19:14,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:19:14,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:14,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:14,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:14,520 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-22 23:19:15,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:15,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 377 states and 631 transitions. [2021-11-22 23:19:15,467 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 631 transitions. [2021-11-22 23:19:15,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:19:15,469 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:15,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:15,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:16,520 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-22 23:19:33,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:33,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 392 states and 660 transitions. [2021-11-22 23:19:33,428 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 660 transitions. [2021-11-22 23:19:33,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:19:33,429 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:33,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:34,904 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-22 23:19:55,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:19:55,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 407 states and 689 transitions. [2021-11-22 23:19:55,006 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 689 transitions. [2021-11-22 23:19:55,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:19:55,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:19:55,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:19:55,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:19:55,039 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-22 23:20:12,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:12,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 425 states and 721 transitions. [2021-11-22 23:20:12,784 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 721 transitions. [2021-11-22 23:20:12,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:20:12,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:12,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:12,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:12,808 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-22 23:20:12,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:12,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 427 states and 725 transitions. [2021-11-22 23:20:12,828 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 725 transitions. [2021-11-22 23:20:12,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:20:12,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:12,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:12,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:13,241 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-22 23:20:13,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:13,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 429 states and 729 transitions. [2021-11-22 23:20:13,261 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 729 transitions. [2021-11-22 23:20:13,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-22 23:20:13,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:13,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:13,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:14,177 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-22 23:20:44,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:44,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 459 states and 785 transitions. [2021-11-22 23:20:44,128 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 785 transitions. [2021-11-22 23:20:44,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:20:44,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:44,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:20:46,388 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-22 23:20:57,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:20:57,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 467 states and 804 transitions. [2021-11-22 23:20:57,568 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 804 transitions. [2021-11-22 23:20:57,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:20:57,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:20:57,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:20:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:00,106 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-22 23:21:13,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:13,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 476 states and 824 transitions. [2021-11-22 23:21:13,387 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 824 transitions. [2021-11-22 23:21:13,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:21:13,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:13,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:14,817 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-22 23:21:19,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:19,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 479 states and 833 transitions. [2021-11-22 23:21:19,667 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 833 transitions. [2021-11-22 23:21:19,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:21:19,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:19,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:21,521 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-22 23:21:50,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:21:50,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 491 states and 851 transitions. [2021-11-22 23:21:50,684 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 851 transitions. [2021-11-22 23:21:50,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:21:50,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:21:50,685 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:21:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:21:55,795 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-11-22 23:22:21,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:21,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 506 states and 883 transitions. [2021-11-22 23:22:21,125 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 883 transitions. [2021-11-22 23:22:21,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:22:21,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:21,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:21,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:27,782 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-22 23:23:00,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:00,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 521 states and 917 transitions. [2021-11-22 23:23:00,058 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 917 transitions. [2021-11-22 23:23:00,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:23:00,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:00,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:00,799 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-22 23:23:05,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:05,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 524 states and 930 transitions. [2021-11-22 23:23:05,307 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 930 transitions. [2021-11-22 23:23:05,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:23:05,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:05,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:05,330 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-22 23:23:10,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:10,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 527 states and 941 transitions. [2021-11-22 23:23:10,663 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 941 transitions. [2021-11-22 23:23:10,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:23:10,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:10,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:12,768 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 2 proven. 49 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-22 23:23:42,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:42,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 541 states and 967 transitions. [2021-11-22 23:23:42,925 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 967 transitions. [2021-11-22 23:23:42,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:23:42,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:42,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:46,401 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 2 proven. 46 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-22 23:24:40,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:40,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 572 states and 1027 transitions. [2021-11-22 23:24:40,270 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 1027 transitions. [2021-11-22 23:24:40,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:24:40,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:40,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:40,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:40,351 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 2 proven. 49 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-22 23:24:42,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:42,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 574 states and 1032 transitions. [2021-11-22 23:24:42,066 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 1032 transitions. [2021-11-22 23:24:42,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:24:42,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:42,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:42,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:42,331 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 2 proven. 46 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-22 23:24:44,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:44,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 576 states and 1036 transitions. [2021-11-22 23:24:44,424 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 1036 transitions. [2021-11-22 23:24:44,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:24:44,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:44,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:44,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:45,887 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-22 23:25:37,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:37,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 597 states and 1085 transitions. [2021-11-22 23:25:37,166 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 1085 transitions. [2021-11-22 23:25:37,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:25:37,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:37,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:38,078 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-22 23:25:45,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:45,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 598 states and 1087 transitions. [2021-11-22 23:25:45,413 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 1087 transitions. [2021-11-22 23:25:45,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:25:45,414 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:45,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:45,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:59,156 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-22 23:27:15,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:15,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 617 states and 1132 transitions. [2021-11-22 23:27:15,957 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 1132 transitions. [2021-11-22 23:27:15,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:27:15,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:15,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:15,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:30,249 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-22 23:28:49,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:49,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1171 states to 634 states and 1171 transitions. [2021-11-22 23:28:49,145 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 1171 transitions. [2021-11-22 23:28:49,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:28:49,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:49,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:02,984 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 2 proven. 47 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.