./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168bc2c1-10ef-4156-8b90-d12dd5abf036/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168bc2c1-10ef-4156-8b90-d12dd5abf036/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168bc2c1-10ef-4156-8b90-d12dd5abf036/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168bc2c1-10ef-4156-8b90-d12dd5abf036/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168bc2c1-10ef-4156-8b90-d12dd5abf036/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168bc2c1-10ef-4156-8b90-d12dd5abf036/bin/ukojak-d1pc8ZmBRL --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ac848265e1daab3ca0f2905a3d0d6fdafaee38399ca7123ad8517babc999ef80 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 08:08:31,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 08:08:31,256 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 08:08:31,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 08:08:31,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 08:08:31,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 08:08:31,334 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 08:08:31,344 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 08:08:31,347 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 08:08:31,354 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 08:08:31,355 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 08:08:31,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 08:08:31,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 08:08:31,359 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 08:08:31,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 08:08:31,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 08:08:31,363 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 08:08:31,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 08:08:31,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 08:08:31,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 08:08:31,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 08:08:31,377 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 08:08:31,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 08:08:31,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 08:08:31,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 08:08:31,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 08:08:31,395 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 08:08:31,397 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 08:08:31,398 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 08:08:31,399 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 08:08:31,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 08:08:31,400 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 08:08:31,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 08:08:31,404 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 08:08:31,405 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 08:08:31,406 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 08:08:31,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 08:08:31,407 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 08:08:31,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 08:08:31,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 08:08:31,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 08:08:31,409 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168bc2c1-10ef-4156-8b90-d12dd5abf036/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-25 08:08:31,451 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 08:08:31,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 08:08:31,453 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 08:08:31,453 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 08:08:31,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 08:08:31,454 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 08:08:31,454 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 08:08:31,461 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 08:08:31,461 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 08:08:31,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 08:08:31,462 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 08:08:31,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 08:08:31,463 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 08:08:31,463 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 08:08:31,463 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 08:08:31,463 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 08:08:31,463 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 08:08:31,464 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 08:08:31,464 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 08:08:31,464 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 08:08:31,464 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 08:08:31,464 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 08:08:31,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 08:08:31,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 08:08:31,465 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 08:08:31,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 08:08:31,465 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 08:08:31,466 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 08:08:31,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 08:08:31,468 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 08:08:31,468 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_168bc2c1-10ef-4156-8b90-d12dd5abf036/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168bc2c1-10ef-4156-8b90-d12dd5abf036/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac848265e1daab3ca0f2905a3d0d6fdafaee38399ca7123ad8517babc999ef80 [2021-11-25 08:08:31,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 08:08:31,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 08:08:31,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 08:08:31,841 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 08:08:31,842 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 08:08:31,843 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168bc2c1-10ef-4156-8b90-d12dd5abf036/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i [2021-11-25 08:08:31,924 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168bc2c1-10ef-4156-8b90-d12dd5abf036/bin/ukojak-d1pc8ZmBRL/data/1973a4296/fc49707a109f4d388adb204275646e1d/FLAG69c757c9b [2021-11-25 08:08:32,584 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 08:08:32,585 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168bc2c1-10ef-4156-8b90-d12dd5abf036/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i [2021-11-25 08:08:32,612 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168bc2c1-10ef-4156-8b90-d12dd5abf036/bin/ukojak-d1pc8ZmBRL/data/1973a4296/fc49707a109f4d388adb204275646e1d/FLAG69c757c9b [2021-11-25 08:08:32,759 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168bc2c1-10ef-4156-8b90-d12dd5abf036/bin/ukojak-d1pc8ZmBRL/data/1973a4296/fc49707a109f4d388adb204275646e1d [2021-11-25 08:08:32,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 08:08:32,764 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 08:08:32,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 08:08:32,769 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 08:08:32,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 08:08:32,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:08:32" (1/1) ... [2021-11-25 08:08:32,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79c5f684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:32, skipping insertion in model container [2021-11-25 08:08:32,776 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:08:32" (1/1) ... [2021-11-25 08:08:32,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 08:08:32,893 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 08:08:33,553 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_168bc2c1-10ef-4156-8b90-d12dd5abf036/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[44118,44131] [2021-11-25 08:08:33,562 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_168bc2c1-10ef-4156-8b90-d12dd5abf036/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[44660,44673] [2021-11-25 08:08:33,649 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_168bc2c1-10ef-4156-8b90-d12dd5abf036/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[56247,56260] [2021-11-25 08:08:33,651 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_168bc2c1-10ef-4156-8b90-d12dd5abf036/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[56368,56381] [2021-11-25 08:08:33,659 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 08:08:33,667 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 08:08:33,699 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_168bc2c1-10ef-4156-8b90-d12dd5abf036/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[44118,44131] [2021-11-25 08:08:33,702 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_168bc2c1-10ef-4156-8b90-d12dd5abf036/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[44660,44673] [2021-11-25 08:08:33,787 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_168bc2c1-10ef-4156-8b90-d12dd5abf036/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[56247,56260] [2021-11-25 08:08:33,790 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_168bc2c1-10ef-4156-8b90-d12dd5abf036/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[56368,56381] [2021-11-25 08:08:33,799 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 08:08:33,900 INFO L208 MainTranslator]: Completed translation [2021-11-25 08:08:33,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:33 WrapperNode [2021-11-25 08:08:33,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 08:08:33,902 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 08:08:33,902 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 08:08:33,902 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 08:08:33,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:33" (1/1) ... [2021-11-25 08:08:34,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:33" (1/1) ... [2021-11-25 08:08:34,098 INFO L137 Inliner]: procedures = 282, calls = 294, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1050 [2021-11-25 08:08:34,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 08:08:34,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 08:08:34,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 08:08:34,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 08:08:34,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:33" (1/1) ... [2021-11-25 08:08:34,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:33" (1/1) ... [2021-11-25 08:08:34,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:33" (1/1) ... [2021-11-25 08:08:34,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:33" (1/1) ... [2021-11-25 08:08:34,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:33" (1/1) ... [2021-11-25 08:08:34,218 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:33" (1/1) ... [2021-11-25 08:08:34,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:33" (1/1) ... [2021-11-25 08:08:34,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 08:08:34,239 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 08:08:34,239 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 08:08:34,240 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 08:08:34,261 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:08:33" (1/1) ... [2021-11-25 08:08:34,274 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 08:08:34,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168bc2c1-10ef-4156-8b90-d12dd5abf036/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 08:08:34,318 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168bc2c1-10ef-4156-8b90-d12dd5abf036/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 08:08:34,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_168bc2c1-10ef-4156-8b90-d12dd5abf036/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 08:08:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 08:08:34,373 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 08:08:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 08:08:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 08:08:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2021-11-25 08:08:34,377 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2021-11-25 08:08:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 08:08:34,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 08:08:34,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 08:08:34,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 08:08:34,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 08:08:34,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 08:08:34,379 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2021-11-25 08:08:34,379 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2021-11-25 08:08:34,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 08:08:34,379 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2021-11-25 08:08:34,379 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2021-11-25 08:08:34,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 08:08:34,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 08:08:34,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 08:08:34,698 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 08:08:34,700 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 08:08:35,733 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 08:08:36,365 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 08:08:36,366 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-25 08:08:36,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:08:36 BoogieIcfgContainer [2021-11-25 08:08:36,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 08:08:36,371 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 08:08:36,371 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 08:08:36,386 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 08:08:36,387 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:08:36" (1/1) ... [2021-11-25 08:08:36,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 08:08:36,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:36,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 158 states and 248 transitions. [2021-11-25 08:08:36,477 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 248 transitions. [2021-11-25 08:08:36,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 08:08:36,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:36,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:36,684 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-25 08:08:36,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:36,807 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-11-25 08:08:36,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 51 [2021-11-25 08:08:36,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 08:08:36,834 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 08:08:36,990 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 08:08:36,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 08:08:37,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 08:08:37,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:08:37,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 08:08:37,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:08:37,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:37,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 161 states and 253 transitions. [2021-11-25 08:08:37,109 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 253 transitions. [2021-11-25 08:08:37,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-25 08:08:37,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:37,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:37,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:37,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-25 08:08:37,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:37,200 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 08:08:37,227 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-11-25 08:08:37,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 51 [2021-11-25 08:08:37,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 08:08:37,243 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 08:08:37,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-25 08:08:37,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-25 08:08:37,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 08:08:37,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 08:08:37,497 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-11-25 08:08:37,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:08:37,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:37,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 162 states and 254 transitions. [2021-11-25 08:08:37,595 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 254 transitions. [2021-11-25 08:08:37,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 08:08:37,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:37,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:37,672 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 08:08:37,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:37,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:08:37,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:37,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 162 states and 252 transitions. [2021-11-25 08:08:37,692 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 252 transitions. [2021-11-25 08:08:37,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 08:08:37,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:37,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:37,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:08:37,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:37,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 162 states and 247 transitions. [2021-11-25 08:08:37,915 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 247 transitions. [2021-11-25 08:08:37,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 08:08:37,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:37,917 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:38,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:38,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 08:08:38,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:38,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:08:38,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:38,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 162 states and 241 transitions. [2021-11-25 08:08:38,057 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 241 transitions. [2021-11-25 08:08:38,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 08:08:38,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:38,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:38,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:38,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 08:08:38,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:38,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:08:38,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:38,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 162 states and 239 transitions. [2021-11-25 08:08:38,178 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 239 transitions. [2021-11-25 08:08:38,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 08:08:38,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:38,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:38,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:38,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 08:08:38,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:38,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:08:38,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:38,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 162 states and 237 transitions. [2021-11-25 08:08:38,338 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 237 transitions. [2021-11-25 08:08:38,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 08:08:38,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:38,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:38,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 08:08:38,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:38,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:08:38,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:38,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 179 states and 263 transitions. [2021-11-25 08:08:38,915 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 263 transitions. [2021-11-25 08:08:38,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 08:08:38,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:38,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:39,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:39,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 08:08:39,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:39,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:08:39,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:39,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 197 states and 290 transitions. [2021-11-25 08:08:39,847 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 290 transitions. [2021-11-25 08:08:39,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 08:08:39,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:39,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:39,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:39,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 08:08:39,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:39,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:08:39,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:39,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 197 states and 288 transitions. [2021-11-25 08:08:39,996 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 288 transitions. [2021-11-25 08:08:39,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 08:08:39,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:39,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:40,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 08:08:40,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:40,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:08:40,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:40,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 197 states and 284 transitions. [2021-11-25 08:08:40,150 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 284 transitions. [2021-11-25 08:08:40,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 08:08:40,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:40,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:40,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:40,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 08:08:40,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:40,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 08:08:40,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:40,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 200 states and 286 transitions. [2021-11-25 08:08:40,341 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 286 transitions. [2021-11-25 08:08:40,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 08:08:40,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:40,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:40,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:40,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 08:08:40,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:40,503 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 08:08:40,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:40,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 203 states and 288 transitions. [2021-11-25 08:08:40,522 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 288 transitions. [2021-11-25 08:08:40,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 08:08:40,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:40,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:41,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 1623 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 08:08:41,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:41,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:08:41,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:41,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 203 states and 282 transitions. [2021-11-25 08:08:41,256 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 282 transitions. [2021-11-25 08:08:41,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 08:08:41,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:41,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:41,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:41,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 08:08:41,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:41,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:08:42,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:42,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 229 states and 326 transitions. [2021-11-25 08:08:42,648 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 326 transitions. [2021-11-25 08:08:42,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 08:08:42,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:42,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:43,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 1624 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 08:08:43,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:43,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:08:43,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:43,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 238 states and 338 transitions. [2021-11-25 08:08:43,419 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 338 transitions. [2021-11-25 08:08:43,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 08:08:43,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:43,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:43,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 08:08:43,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:43,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:08:45,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:45,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 265 states and 385 transitions. [2021-11-25 08:08:45,030 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 385 transitions. [2021-11-25 08:08:45,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 08:08:45,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:45,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:45,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 1625 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 08:08:45,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:45,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:08:45,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:45,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 274 states and 398 transitions. [2021-11-25 08:08:45,919 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 398 transitions. [2021-11-25 08:08:45,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 08:08:45,920 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:45,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:46,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 1594 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 08:08:46,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:46,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:08:48,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:48,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 288 states and 416 transitions. [2021-11-25 08:08:48,060 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 416 transitions. [2021-11-25 08:08:48,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 08:08:48,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:48,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:48,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 08:08:48,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:48,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 08:08:48,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:48,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 291 states and 418 transitions. [2021-11-25 08:08:48,423 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 418 transitions. [2021-11-25 08:08:48,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 08:08:48,424 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:48,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:48,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 08:08:48,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:48,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 08:08:48,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:48,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 294 states and 420 transitions. [2021-11-25 08:08:48,690 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 420 transitions. [2021-11-25 08:08:48,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-25 08:08:48,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:48,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:48,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-25 08:08:48,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:49,279 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:08:51,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:51,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 310 states and 466 transitions. [2021-11-25 08:08:51,661 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 466 transitions. [2021-11-25 08:08:51,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-25 08:08:51,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:51,663 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:51,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-25 08:08:51,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:52,367 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:08:54,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:54,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 324 states and 507 transitions. [2021-11-25 08:08:54,818 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 507 transitions. [2021-11-25 08:08:54,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 08:08:54,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:54,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:55,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 1609 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 08:08:55,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:55,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 08:08:55,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:55,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 327 states and 509 transitions. [2021-11-25 08:08:55,509 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 509 transitions. [2021-11-25 08:08:55,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-25 08:08:55,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:55,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:55,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 08:08:55,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:55,790 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:08:56,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:56,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 331 states and 518 transitions. [2021-11-25 08:08:56,386 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 518 transitions. [2021-11-25 08:08:56,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-25 08:08:56,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:56,387 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:56,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 08:08:56,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:56,691 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:08:57,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:57,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 335 states and 528 transitions. [2021-11-25 08:08:57,094 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 528 transitions. [2021-11-25 08:08:57,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 08:08:57,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:57,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:57,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 08:08:57,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:57,399 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 08:08:57,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:08:57,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 333 states and 524 transitions. [2021-11-25 08:08:57,413 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 524 transitions. [2021-11-25 08:08:57,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 08:08:57,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:08:57,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:08:57,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:08:57,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 08:08:57,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:08:58,209 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:09:00,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:09:00,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 345 states and 558 transitions. [2021-11-25 08:09:00,653 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 558 transitions. [2021-11-25 08:09:00,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-25 08:09:00,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:09:00,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:09:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:09:00,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 08:09:00,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:09:01,422 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:09:03,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:09:03,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 355 states and 583 transitions. [2021-11-25 08:09:03,922 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 583 transitions. [2021-11-25 08:09:03,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-25 08:09:03,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:09:03,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:09:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:09:04,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-25 08:09:04,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:09:04,638 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 08:09:08,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:09:08,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 376 states and 644 transitions. [2021-11-25 08:09:08,679 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 644 transitions. [2021-11-25 08:09:08,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-25 08:09:08,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:09:08,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:09:08,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:09:08,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 08:09:08,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:09:09,552 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 08:09:14,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:09:14,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 381 states and 661 transitions. [2021-11-25 08:09:14,596 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 661 transitions. [2021-11-25 08:09:14,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-25 08:09:14,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:09:14,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:09:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:09:14,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 830 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-25 08:09:14,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:09:15,640 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 08:09:16,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:09:16,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 391 states and 684 transitions. [2021-11-25 08:09:16,284 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 684 transitions. [2021-11-25 08:09:16,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-25 08:09:16,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:09:16,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:09:16,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:09:16,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-25 08:09:16,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:09:18,396 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 08:09:20,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:09:20,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 393 states and 686 transitions. [2021-11-25 08:09:20,821 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 686 transitions. [2021-11-25 08:09:20,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-25 08:09:20,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:09:20,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:09:21,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:09:21,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-25 08:09:21,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:09:23,147 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:09:37,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:09:37,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 401 states and 712 transitions. [2021-11-25 08:09:37,218 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 712 transitions. [2021-11-25 08:09:37,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-25 08:09:37,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:09:37,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:09:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:09:37,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 823 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-25 08:09:37,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:09:38,552 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:09:43,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:09:43,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 403 states and 716 transitions. [2021-11-25 08:09:43,416 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 716 transitions. [2021-11-25 08:09:43,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-25 08:09:43,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:09:43,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:09:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:09:43,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-25 08:09:43,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:09:45,538 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:09:51,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:09:51,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 405 states and 721 transitions. [2021-11-25 08:09:51,554 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 721 transitions. [2021-11-25 08:09:51,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 08:09:51,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:09:51,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:09:52,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:09:52,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-25 08:09:52,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:09:53,331 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:10:01,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:01,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 407 states and 727 transitions. [2021-11-25 08:10:01,591 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 727 transitions. [2021-11-25 08:10:01,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-25 08:10:01,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:01,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:01,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 868 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-25 08:10:01,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:04,120 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 08:10:15,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:15,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 406 states and 730 transitions. [2021-11-25 08:10:15,470 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 730 transitions. [2021-11-25 08:10:15,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-25 08:10:15,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:15,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:16,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 883 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-25 08:10:16,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:16,267 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-25 08:10:42,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:10:42,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 410 states and 738 transitions. [2021-11-25 08:10:42,752 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 738 transitions. [2021-11-25 08:10:42,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-25 08:10:42,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:10:42,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:10:43,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:10:43,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 08:10:43,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:10:46,512 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 1 proven. 26 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 08:11:10,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:10,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 413 states and 741 transitions. [2021-11-25 08:11:10,237 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 741 transitions. [2021-11-25 08:11:10,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-25 08:11:10,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:10,238 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:11,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-25 08:11:11,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:11:14,421 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 08:11:27,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:27,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 415 states and 747 transitions. [2021-11-25 08:11:27,020 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 747 transitions. [2021-11-25 08:11:27,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-25 08:11:27,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:27,022 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:27,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 928 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 08:11:27,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:11:31,245 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 1 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-25 08:11:58,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:11:58,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 418 states and 750 transitions. [2021-11-25 08:11:58,067 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 750 transitions. [2021-11-25 08:11:58,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-25 08:11:58,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:11:58,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:11:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:11:58,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 943 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-25 08:11:58,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:12:02,084 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 38 proven. 21 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 08:12:19,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:12:19,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 420 states and 756 transitions. [2021-11-25 08:12:19,448 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 756 transitions. [2021-11-25 08:12:19,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-25 08:12:19,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:12:19,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:12:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:12:21,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 958 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-25 08:12:21,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:12:21,877 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-11-25 08:13:00,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:13:00,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 423 states and 762 transitions. [2021-11-25 08:13:00,710 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 762 transitions. [2021-11-25 08:13:00,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-25 08:13:00,710 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:13:00,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:13:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:13:01,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 973 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-25 08:13:01,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:13:12,075 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 39 proven. 21 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-25 08:13:34,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:13:34,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 425 states and 765 transitions. [2021-11-25 08:13:34,029 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 765 transitions. [2021-11-25 08:13:34,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-25 08:13:34,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:13:34,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:13:36,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:13:36,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 988 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 08:13:36,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:13:41,348 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 58 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-25 08:14:06,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:14:06,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 427 states and 771 transitions. [2021-11-25 08:14:06,597 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 771 transitions. [2021-11-25 08:14:06,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-25 08:14:06,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:14:06,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:14:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:14:08,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 1003 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-25 08:14:08,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:14:14,314 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 1 proven. 102 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-25 08:15:01,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:15:01,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 430 states and 773 transitions. [2021-11-25 08:15:01,853 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 773 transitions. [2021-11-25 08:15:01,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-25 08:15:01,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:15:01,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:15:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:15:04,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 1018 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 08:15:04,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:15:10,357 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 73 proven. 36 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-25 08:15:33,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:15:33,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 432 states and 779 transitions. [2021-11-25 08:15:33,380 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 779 transitions. [2021-11-25 08:15:33,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-25 08:15:33,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:15:33,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:15:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:15:35,554 INFO L263 TraceCheckSpWp]: Trace formula consists of 1033 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 08:15:35,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:15:40,676 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 80 proven. 45 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-25 08:16:05,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:16:05,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 434 states and 785 transitions. [2021-11-25 08:16:05,720 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 785 transitions. [2021-11-25 08:16:05,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-25 08:16:05,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:16:05,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:16:06,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:16:06,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 1048 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-25 08:16:06,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:16:12,856 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 2 proven. 146 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-25 08:17:18,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:17:18,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 437 states and 789 transitions. [2021-11-25 08:17:18,112 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 789 transitions. [2021-11-25 08:17:18,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-25 08:17:18,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:17:18,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:17:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:17:26,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 1063 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 08:17:26,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:17:34,277 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 98 proven. 55 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-25 08:18:10,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:18:10,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 439 states and 795 transitions. [2021-11-25 08:18:10,702 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 795 transitions. [2021-11-25 08:18:10,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-25 08:18:10,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:18:10,703 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:18:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:18:15,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 1078 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-25 08:18:15,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:18:24,736 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 1 proven. 182 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-25 08:19:46,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:19:46,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 442 states and 798 transitions. [2021-11-25 08:19:46,735 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 798 transitions. [2021-11-25 08:19:46,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-25 08:19:46,736 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:19:46,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:19:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:19:51,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 1093 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-25 08:19:51,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:20:02,323 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 1 proven. 204 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-25 08:21:16,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 08:21:16,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 445 states and 803 transitions. [2021-11-25 08:21:16,871 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 803 transitions. [2021-11-25 08:21:16,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-25 08:21:16,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 08:21:16,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 08:21:21,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 08:21:21,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 1108 conjuncts, 66 conjunts are in the unsatisfiable core [2021-11-25 08:21:21,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 08:21:46,116 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 5 proven. 226 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.