./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e57705-a8fc-4c2e-86b3-50c157f4033e/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e57705-a8fc-4c2e-86b3-50c157f4033e/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_f2e57705-a8fc-4c2e-86b3-50c157f4033e/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e57705-a8fc-4c2e-86b3-50c157f4033e/bin/ukojak-LBtLqBUTdQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e57705-a8fc-4c2e-86b3-50c157f4033e/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e57705-a8fc-4c2e-86b3-50c157f4033e/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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0b1cf2dd5b4da09460afcca66f285dbd0591f4fa3369eb070fcfcc2c1d99d315 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:26:18,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:26:18,188 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:26:18,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:26:18,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:26:18,252 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:26:18,254 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:26:18,258 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:26:18,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:26:18,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:26:18,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:26:18,269 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:26:18,269 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:26:18,272 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:26:18,274 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:26:18,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:26:18,281 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:26:18,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:26:18,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:26:18,292 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:26:18,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:26:18,298 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:26:18,301 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:26:18,302 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:26:18,306 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:26:18,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:26:18,307 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:26:18,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:26:18,311 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:26:18,312 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:26:18,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:26:18,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:26:18,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:26:18,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:26:18,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:26:18,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:26:18,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:26:18,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:26:18,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:26:18,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:26:18,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:26:18,323 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e57705-a8fc-4c2e-86b3-50c157f4033e/bin/ukojak-LBtLqBUTdQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 01:26:18,368 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:26:18,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:26:18,371 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:26:18,371 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:26:18,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:26:18,372 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:26:18,372 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 01:26:18,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:26:18,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:26:18,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:26:18,374 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 01:26:18,380 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 01:26:18,381 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 01:26:18,381 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:26:18,381 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:26:18,381 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:26:18,382 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:26:18,382 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:26:18,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:26:18,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:26:18,383 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:26:18,383 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:26:18,383 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:26:18,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:26:18,384 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_f2e57705-a8fc-4c2e-86b3-50c157f4033e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e57705-a8fc-4c2e-86b3-50c157f4033e/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b1cf2dd5b4da09460afcca66f285dbd0591f4fa3369eb070fcfcc2c1d99d315 [2021-11-23 01:26:18,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:26:18,752 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:26:18,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:26:18,756 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:26:18,757 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:26:18,758 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e57705-a8fc-4c2e-86b3-50c157f4033e/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i [2021-11-23 01:26:18,838 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e57705-a8fc-4c2e-86b3-50c157f4033e/bin/ukojak-LBtLqBUTdQ/data/378bf5559/808a61a1657f45e29a92aef777ae8fd3/FLAGb91e6277a [2021-11-23 01:26:19,457 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:26:19,458 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e57705-a8fc-4c2e-86b3-50c157f4033e/sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i [2021-11-23 01:26:19,478 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e57705-a8fc-4c2e-86b3-50c157f4033e/bin/ukojak-LBtLqBUTdQ/data/378bf5559/808a61a1657f45e29a92aef777ae8fd3/FLAGb91e6277a [2021-11-23 01:26:19,718 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e57705-a8fc-4c2e-86b3-50c157f4033e/bin/ukojak-LBtLqBUTdQ/data/378bf5559/808a61a1657f45e29a92aef777ae8fd3 [2021-11-23 01:26:19,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:26:19,725 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:26:19,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:26:19,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:26:19,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:26:19,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:26:19" (1/1) ... [2021-11-23 01:26:19,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d063a0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:19, skipping insertion in model container [2021-11-23 01:26:19,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:26:19" (1/1) ... [2021-11-23 01:26:19,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:26:19,803 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:26:20,166 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_f2e57705-a8fc-4c2e-86b3-50c157f4033e/sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i[23814,23827] [2021-11-23 01:26:20,171 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:26:20,188 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:26:20,238 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_f2e57705-a8fc-4c2e-86b3-50c157f4033e/sv-benchmarks/c/list-ext3-properties/sll_length_check-2.i[23814,23827] [2021-11-23 01:26:20,238 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:26:20,268 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:26:20,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:20 WrapperNode [2021-11-23 01:26:20,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:26:20,270 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:26:20,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:26:20,271 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:26:20,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:20" (1/1) ... [2021-11-23 01:26:20,292 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:20" (1/1) ... [2021-11-23 01:26:20,314 INFO L137 Inliner]: procedures = 125, calls = 15, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 90 [2021-11-23 01:26:20,315 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:26:20,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:26:20,316 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:26:20,316 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:26:20,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:20" (1/1) ... [2021-11-23 01:26:20,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:20" (1/1) ... [2021-11-23 01:26:20,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:20" (1/1) ... [2021-11-23 01:26:20,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:20" (1/1) ... [2021-11-23 01:26:20,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:20" (1/1) ... [2021-11-23 01:26:20,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:20" (1/1) ... [2021-11-23 01:26:20,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:20" (1/1) ... [2021-11-23 01:26:20,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:26:20,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:26:20,343 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:26:20,343 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:26:20,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:26:20" (1/1) ... [2021-11-23 01:26:20,351 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:26:20,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e57705-a8fc-4c2e-86b3-50c157f4033e/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:26:20,378 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e57705-a8fc-4c2e-86b3-50c157f4033e/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:26:20,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e57705-a8fc-4c2e-86b3-50c157f4033e/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:26:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:26:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:26:20,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:26:20,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:26:20,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:26:20,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:26:20,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:26:20,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:26:20,555 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:26:20,557 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:26:20,712 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:26:20,755 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:26:20,756 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 01:26:20,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:26:20 BoogieIcfgContainer [2021-11-23 01:26:20,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:26:20,759 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:26:20,759 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:26:20,770 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:26:20,770 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:26:20" (1/1) ... [2021-11-23 01:26:20,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:26:20,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:20,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 36 transitions. [2021-11-23 01:26:20,907 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2021-11-23 01:26:20,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:26:20,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:20,911 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:21,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:21,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:21,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 35 transitions. [2021-11-23 01:26:21,138 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2021-11-23 01:26:21,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:26:21,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:21,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:21,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:21,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:21,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:21,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 32 states and 39 transitions. [2021-11-23 01:26:21,314 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2021-11-23 01:26:21,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:26:21,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:21,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:21,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:21,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:21,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:21,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2021-11-23 01:26:21,437 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2021-11-23 01:26:21,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:26:21,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:21,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:21,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:21,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:21,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2021-11-23 01:26:21,664 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2021-11-23 01:26:21,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:26:21,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:21,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:21,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:21,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:21,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:21,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2021-11-23 01:26:21,867 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2021-11-23 01:26:21,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:26:21,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:21,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:21,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:21,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:22,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:22,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 33 states and 41 transitions. [2021-11-23 01:26:22,289 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2021-11-23 01:26:22,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:26:22,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:22,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:22,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:22,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:22,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2021-11-23 01:26:22,746 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2021-11-23 01:26:22,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:26:22,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:22,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:22,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:22,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:23,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:23,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 36 states and 43 transitions. [2021-11-23 01:26:23,217 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2021-11-23 01:26:23,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:26:23,218 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:23,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:23,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:23,360 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:26:24,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:24,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 38 states and 49 transitions. [2021-11-23 01:26:24,033 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2021-11-23 01:26:24,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:26:24,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:24,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:24,070 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:26:24,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:24,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 36 states and 44 transitions. [2021-11-23 01:26:24,273 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2021-11-23 01:26:24,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:26:24,273 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:24,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:24,460 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:25,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:25,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 38 states and 48 transitions. [2021-11-23 01:26:25,413 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2021-11-23 01:26:25,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:26:25,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:25,414 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:25,635 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:27,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:27,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 40 states and 52 transitions. [2021-11-23 01:26:27,160 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 52 transitions. [2021-11-23 01:26:27,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:26:27,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:27,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:27,348 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:28,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:28,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 42 states and 55 transitions. [2021-11-23 01:26:28,850 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2021-11-23 01:26:28,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:26:28,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:28,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:29,521 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:32,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:32,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2021-11-23 01:26:32,981 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2021-11-23 01:26:32,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:26:32,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:32,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:33,090 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:26:33,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:33,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 54 states and 71 transitions. [2021-11-23 01:26:33,806 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2021-11-23 01:26:33,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:26:33,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:33,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:33,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:34,404 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:26:39,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:39,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 70 states and 97 transitions. [2021-11-23 01:26:39,870 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2021-11-23 01:26:39,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:26:39,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:39,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:39,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:39,920 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:26:41,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:41,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 72 states and 99 transitions. [2021-11-23 01:26:41,045 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2021-11-23 01:26:41,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-23 01:26:41,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:41,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:41,094 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:26:42,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:42,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 74 states and 101 transitions. [2021-11-23 01:26:42,448 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 101 transitions. [2021-11-23 01:26:42,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:26:42,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:42,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:42,762 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:26:46,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:46,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 82 states and 120 transitions. [2021-11-23 01:26:46,418 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 120 transitions. [2021-11-23 01:26:46,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:26:46,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:46,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:46,795 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:26:51,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:51,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 90 states and 141 transitions. [2021-11-23 01:26:51,565 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 141 transitions. [2021-11-23 01:26:51,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:26:51,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:51,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:51,589 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:26:52,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:52,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 92 states and 143 transitions. [2021-11-23 01:26:52,974 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 143 transitions. [2021-11-23 01:26:52,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:26:52,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:52,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:53,799 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:26:59,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:26:59,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 99 states and 158 transitions. [2021-11-23 01:26:59,685 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 158 transitions. [2021-11-23 01:26:59,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:26:59,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:26:59,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:26:59,708 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:27:01,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:01,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 101 states and 160 transitions. [2021-11-23 01:27:01,106 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 160 transitions. [2021-11-23 01:27:01,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:27:01,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:01,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:01,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:01,146 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:27:02,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:02,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 103 states and 162 transitions. [2021-11-23 01:27:02,636 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 162 transitions. [2021-11-23 01:27:02,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:27:02,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:02,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:02,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:02,673 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:27:04,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:04,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 105 states and 164 transitions. [2021-11-23 01:27:04,324 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 164 transitions. [2021-11-23 01:27:04,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:27:04,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:04,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:04,613 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:27:06,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:06,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 105 states and 163 transitions. [2021-11-23 01:27:06,965 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 163 transitions. [2021-11-23 01:27:06,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:27:06,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:06,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:07,360 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:27:07,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:07,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 106 states and 164 transitions. [2021-11-23 01:27:07,738 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 164 transitions. [2021-11-23 01:27:07,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:27:07,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:07,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:08,118 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:27:10,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:10,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 103 states and 160 transitions. [2021-11-23 01:27:10,301 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 160 transitions. [2021-11-23 01:27:10,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:10,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:10,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:11,204 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:27:22,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:22,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 113 states and 181 transitions. [2021-11-23 01:27:22,323 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 181 transitions. [2021-11-23 01:27:22,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:22,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:22,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:22,352 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:27:24,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:24,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 115 states and 183 transitions. [2021-11-23 01:27:24,337 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 183 transitions. [2021-11-23 01:27:24,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:27:24,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:24,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:24,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:24,363 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:27:26,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:26,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 117 states and 185 transitions. [2021-11-23 01:27:26,213 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 185 transitions. [2021-11-23 01:27:26,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:27:26,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:26,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:26,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:26,232 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:27:27,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:27,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 116 states and 184 transitions. [2021-11-23 01:27:27,942 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 184 transitions. [2021-11-23 01:27:27,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:27:27,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:27,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:27,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:29,139 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:36,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:36,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 118 states and 187 transitions. [2021-11-23 01:27:36,674 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 187 transitions. [2021-11-23 01:27:36,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:27:36,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:36,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:36,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:39,401 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:27:52,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:27:52,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 124 states and 233 transitions. [2021-11-23 01:27:52,708 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 233 transitions. [2021-11-23 01:27:52,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:27:52,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:27:52,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:27:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:27:54,870 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:09,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:09,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 134 states and 255 transitions. [2021-11-23 01:28:09,455 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 255 transitions. [2021-11-23 01:28:09,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:28:09,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:09,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:11,901 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:27,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:27,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 145 states and 278 transitions. [2021-11-23 01:28:27,880 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 278 transitions. [2021-11-23 01:28:27,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:28:27,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:27,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:27,923 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:30,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:30,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 147 states and 284 transitions. [2021-11-23 01:28:30,830 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 284 transitions. [2021-11-23 01:28:30,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:28:30,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:30,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:30,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:32,295 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:46,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:46,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 155 states and 298 transitions. [2021-11-23 01:28:46,021 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 298 transitions. [2021-11-23 01:28:46,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:28:46,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:46,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:46,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:46,074 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:49,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:49,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 157 states and 302 transitions. [2021-11-23 01:28:49,247 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 302 transitions. [2021-11-23 01:28:49,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:28:49,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:49,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:49,299 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:28:52,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:28:52,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 159 states and 306 transitions. [2021-11-23 01:28:52,483 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 306 transitions. [2021-11-23 01:28:52,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:28:52,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:28:52,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:28:52,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:28:57,540 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:13,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:13,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 167 states and 319 transitions. [2021-11-23 01:29:13,678 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 319 transitions. [2021-11-23 01:29:13,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:29:13,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:13,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:17,734 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:26,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:26,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 171 states and 328 transitions. [2021-11-23 01:29:26,999 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 328 transitions. [2021-11-23 01:29:26,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:29:26,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:27,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:27,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:27,142 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:33,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:33,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 175 states and 337 transitions. [2021-11-23 01:29:33,382 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 337 transitions. [2021-11-23 01:29:33,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:29:33,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:33,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:33,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:34,681 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:29:54,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:54,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 191 states and 363 transitions. [2021-11-23 01:29:54,709 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 363 transitions. [2021-11-23 01:29:54,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:29:54,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:54,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:54,754 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:30:01,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:01,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 195 states and 385 transitions. [2021-11-23 01:30:01,789 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 385 transitions. [2021-11-23 01:30:01,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:30:01,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:01,790 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:01,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:03,767 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:30:35,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:35,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 206 states and 414 transitions. [2021-11-23 01:30:35,934 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 414 transitions. [2021-11-23 01:30:35,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:30:35,935 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:35,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:35,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:35,965 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:30:43,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:43,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 210 states and 420 transitions. [2021-11-23 01:30:43,794 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 420 transitions. [2021-11-23 01:30:43,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:30:43,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:43,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:43,827 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:30:48,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:30:48,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 212 states and 424 transitions. [2021-11-23 01:30:48,257 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 424 transitions. [2021-11-23 01:30:48,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:30:48,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:30:48,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:30:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:30:48,283 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 01:31:02,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:02,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 220 states and 450 transitions. [2021-11-23 01:31:02,835 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 450 transitions. [2021-11-23 01:31:02,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:31:02,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:02,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:02,856 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 01:31:07,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:07,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 222 states and 458 transitions. [2021-11-23 01:31:07,346 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 458 transitions. [2021-11-23 01:31:07,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:31:07,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:07,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:07,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:07,373 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 01:31:09,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:09,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 223 states and 460 transitions. [2021-11-23 01:31:09,302 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 460 transitions. [2021-11-23 01:31:09,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:31:09,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:09,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:09,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:10,369 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:31:27,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:27,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 231 states and 489 transitions. [2021-11-23 01:31:27,071 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 489 transitions. [2021-11-23 01:31:27,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:31:27,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:27,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:27,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:27,106 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:31:31,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:31,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 233 states and 492 transitions. [2021-11-23 01:31:31,566 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 492 transitions. [2021-11-23 01:31:31,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:31:31,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:31,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:31,599 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:31:35,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:35,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 235 states and 495 transitions. [2021-11-23 01:31:35,574 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 495 transitions. [2021-11-23 01:31:35,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:31:35,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:35,576 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:35,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:35,600 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 01:31:37,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:37,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 236 states and 497 transitions. [2021-11-23 01:31:37,576 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 497 transitions. [2021-11-23 01:31:37,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:31:37,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:37,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:37,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:43,783 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:31:58,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:31:58,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 240 states and 507 transitions. [2021-11-23 01:31:58,596 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 507 transitions. [2021-11-23 01:31:58,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:31:58,597 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:31:58,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:31:58,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:31:58,628 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:32:11,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:11,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 246 states and 531 transitions. [2021-11-23 01:32:11,037 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 531 transitions. [2021-11-23 01:32:11,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:32:11,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:11,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:14,752 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:32:23,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:23,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 248 states and 535 transitions. [2021-11-23 01:32:23,387 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 535 transitions. [2021-11-23 01:32:23,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:32:23,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:23,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:23,412 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-23 01:32:32,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:32,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 252 states and 550 transitions. [2021-11-23 01:32:32,503 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 550 transitions. [2021-11-23 01:32:32,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:32:32,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:32,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:32,522 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 01:32:42,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:42,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 256 states and 564 transitions. [2021-11-23 01:32:42,298 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 564 transitions. [2021-11-23 01:32:42,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:32:42,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:42,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:42,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:42,318 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-23 01:32:46,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:32:46,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 258 states and 567 transitions. [2021-11-23 01:32:46,210 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 567 transitions. [2021-11-23 01:32:46,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:32:46,211 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:32:46,211 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:32:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:32:46,929 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:32:59,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:00,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 258 states and 566 transitions. [2021-11-23 01:33:00,001 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 566 transitions. [2021-11-23 01:33:00,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:33:00,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:00,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:05,688 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:33:16,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:16,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 260 states and 579 transitions. [2021-11-23 01:33:16,629 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 579 transitions. [2021-11-23 01:33:16,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:33:16,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:16,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:16,794 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:33:22,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:22,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 262 states and 583 transitions. [2021-11-23 01:33:22,773 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 583 transitions. [2021-11-23 01:33:22,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:33:22,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:22,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:22,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:24,110 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:33:37,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:37,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 259 states and 578 transitions. [2021-11-23 01:33:37,879 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 578 transitions. [2021-11-23 01:33:37,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:33:37,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:37,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:37,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:41,789 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:33:48,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:33:48,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 260 states and 583 transitions. [2021-11-23 01:33:48,097 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 583 transitions. [2021-11-23 01:33:48,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:33:48,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:33:48,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:33:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:33:48,121 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:34:03,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:03,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 263 states and 598 transitions. [2021-11-23 01:34:03,727 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 598 transitions. [2021-11-23 01:34:03,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:34:03,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:03,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:03,751 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:34:16,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:16,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 268 states and 611 transitions. [2021-11-23 01:34:16,421 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 611 transitions. [2021-11-23 01:34:16,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:34:16,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:16,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:16,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:16,445 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:34:18,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:18,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 269 states and 614 transitions. [2021-11-23 01:34:18,819 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 614 transitions. [2021-11-23 01:34:18,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:34:18,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:18,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:18,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:18,845 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:34:24,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:24,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 271 states and 617 transitions. [2021-11-23 01:34:24,027 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 617 transitions. [2021-11-23 01:34:24,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:34:24,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:24,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:24,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:24,050 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:34:28,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:28,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 273 states and 620 transitions. [2021-11-23 01:34:28,651 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 620 transitions. [2021-11-23 01:34:28,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:34:28,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:28,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:28,674 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 01:34:40,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:40,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 277 states and 635 transitions. [2021-11-23 01:34:40,452 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 635 transitions. [2021-11-23 01:34:40,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:34:40,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:40,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:40,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:34:46,550 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:34:59,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:34:59,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 279 states and 640 transitions. [2021-11-23 01:34:59,028 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 640 transitions. [2021-11-23 01:34:59,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:34:59,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:34:59,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:34:59,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:04,162 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:35:15,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:35:15,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 281 states and 647 transitions. [2021-11-23 01:35:15,019 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 647 transitions. [2021-11-23 01:35:15,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:35:15,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:35:15,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:35:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:35:22,367 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:36:13,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:36:13,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 294 states and 671 transitions. [2021-11-23 01:36:13,142 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 671 transitions. [2021-11-23 01:36:13,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:36:13,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:36:13,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:36:13,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:36:21,538 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:37:53,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:37:53,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 312 states and 722 transitions. [2021-11-23 01:37:53,818 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 722 transitions. [2021-11-23 01:37:53,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:37:53,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:37:53,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:37:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:37:53,890 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:38:04,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:04,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 316 states and 728 transitions. [2021-11-23 01:38:04,101 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 728 transitions. [2021-11-23 01:38:04,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:38:04,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:04,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:04,163 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:38:24,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:38:24,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 322 states and 737 transitions. [2021-11-23 01:38:24,728 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 737 transitions. [2021-11-23 01:38:24,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:38:24,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:38:24,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:38:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:38:24,795 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.