./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 dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d654a7-8505-4027-a5e1-3da60c23913f/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d654a7-8505-4027-a5e1-3da60c23913f/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d654a7-8505-4027-a5e1-3da60c23913f/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d654a7-8505-4027-a5e1-3da60c23913f/bin/ukojak-92XMlrwhuB/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_58d654a7-8505-4027-a5e1-3da60c23913f/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d654a7-8505-4027-a5e1-3da60c23913f/bin/ukojak-92XMlrwhuB --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:52:19,023 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:52:19,025 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:52:19,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:52:19,067 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:52:19,071 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:52:19,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:52:19,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:52:19,083 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:52:19,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:52:19,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:52:19,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:52:19,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:52:19,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:52:19,093 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:52:19,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:52:19,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:52:19,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:52:19,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:52:19,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:52:19,103 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:52:19,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:52:19,106 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:52:19,107 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:52:19,112 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:52:19,113 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:52:19,113 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:52:19,114 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:52:19,115 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:52:19,116 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:52:19,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:52:19,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:52:19,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:52:19,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:52:19,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:52:19,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:52:19,126 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:52:19,127 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:52:19,127 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:52:19,128 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:52:19,129 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:52:19,129 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d654a7-8505-4027-a5e1-3da60c23913f/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-10-17 16:52:19,170 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:52:19,170 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:52:19,172 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:52:19,172 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:52:19,173 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:52:19,173 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:52:19,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:52:19,173 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:52:19,173 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:52:19,174 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:52:19,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:52:19,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:52:19,175 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:52:19,175 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:52:19,176 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:52:19,176 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 16:52:19,176 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:52:19,176 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:52:19,176 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:52:19,177 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:52:19,177 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:52:19,177 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:52:19,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:52:19,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:52:19,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:52:19,178 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:52:19,178 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:52:19,178 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:52:19,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:52:19,179 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:52:19,180 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_58d654a7-8505-4027-a5e1-3da60c23913f/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d654a7-8505-4027-a5e1-3da60c23913f/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac848265e1daab3ca0f2905a3d0d6fdafaee38399ca7123ad8517babc999ef80 [2022-10-17 16:52:19,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:52:19,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:52:19,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:52:19,546 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:52:19,547 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:52:19,548 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d654a7-8505-4027-a5e1-3da60c23913f/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i [2022-10-17 16:52:19,622 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d654a7-8505-4027-a5e1-3da60c23913f/bin/ukojak-92XMlrwhuB/data/687bf59de/fe5c5332172f4bd7b9059d084fceae4b/FLAG9dcb28e97 [2022-10-17 16:52:20,242 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:52:20,242 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d654a7-8505-4027-a5e1-3da60c23913f/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i [2022-10-17 16:52:20,265 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d654a7-8505-4027-a5e1-3da60c23913f/bin/ukojak-92XMlrwhuB/data/687bf59de/fe5c5332172f4bd7b9059d084fceae4b/FLAG9dcb28e97 [2022-10-17 16:52:20,420 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d654a7-8505-4027-a5e1-3da60c23913f/bin/ukojak-92XMlrwhuB/data/687bf59de/fe5c5332172f4bd7b9059d084fceae4b [2022-10-17 16:52:20,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:52:20,424 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:52:20,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:52:20,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:52:20,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:52:20,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:52:20" (1/1) ... [2022-10-17 16:52:20,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48f9a2c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:20, skipping insertion in model container [2022-10-17 16:52:20,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:52:20" (1/1) ... [2022-10-17 16:52:20,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:52:20,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:52:21,098 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_58d654a7-8505-4027-a5e1-3da60c23913f/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[44118,44131] [2022-10-17 16:52:21,110 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d654a7-8505-4027-a5e1-3da60c23913f/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[44660,44673] [2022-10-17 16:52:21,203 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_58d654a7-8505-4027-a5e1-3da60c23913f/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[56247,56260] [2022-10-17 16:52:21,204 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_58d654a7-8505-4027-a5e1-3da60c23913f/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[56368,56381] [2022-10-17 16:52:21,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:52:21,223 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:52:21,268 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_58d654a7-8505-4027-a5e1-3da60c23913f/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[44118,44131] [2022-10-17 16:52:21,271 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_58d654a7-8505-4027-a5e1-3da60c23913f/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[44660,44673] [2022-10-17 16:52:21,365 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_58d654a7-8505-4027-a5e1-3da60c23913f/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[56247,56260] [2022-10-17 16:52:21,366 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_58d654a7-8505-4027-a5e1-3da60c23913f/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-1.i[56368,56381] [2022-10-17 16:52:21,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:52:21,449 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:52:21,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:21 WrapperNode [2022-10-17 16:52:21,450 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:52:21,451 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:52:21,451 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:52:21,452 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:52:21,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:21" (1/1) ... [2022-10-17 16:52:21,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:21" (1/1) ... [2022-10-17 16:52:21,623 INFO L138 Inliner]: procedures = 282, calls = 294, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1050 [2022-10-17 16:52:21,625 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:52:21,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:52:21,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:52:21,626 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:52:21,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:21" (1/1) ... [2022-10-17 16:52:21,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:21" (1/1) ... [2022-10-17 16:52:21,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:21" (1/1) ... [2022-10-17 16:52:21,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:21" (1/1) ... [2022-10-17 16:52:21,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:21" (1/1) ... [2022-10-17 16:52:21,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:21" (1/1) ... [2022-10-17 16:52:21,770 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:21" (1/1) ... [2022-10-17 16:52:21,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:21" (1/1) ... [2022-10-17 16:52:21,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:52:21,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:52:21,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:52:21,806 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:52:21,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:21" (1/1) ... [2022-10-17 16:52:21,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:52:21,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d654a7-8505-4027-a5e1-3da60c23913f/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:52:21,843 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d654a7-8505-4027-a5e1-3da60c23913f/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:52:21,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58d654a7-8505-4027-a5e1-3da60c23913f/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:52:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:52:21,891 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-10-17 16:52:21,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:52:21,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:52:21,891 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2022-10-17 16:52:21,891 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2022-10-17 16:52:21,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:52:21,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:52:21,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:52:21,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:52:21,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:52:21,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:52:21,893 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2022-10-17 16:52:21,893 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2022-10-17 16:52:21,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:52:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2022-10-17 16:52:21,894 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2022-10-17 16:52:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:52:21,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:52:21,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:52:22,201 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:52:22,203 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:52:23,915 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:52:24,352 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:52:24,352 INFO L300 CfgBuilder]: Removed 63 assume(true) statements. [2022-10-17 16:52:24,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:52:24 BoogieIcfgContainer [2022-10-17 16:52:24,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:52:24,357 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:52:24,357 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:52:24,369 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:52:24,369 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:52:24" (1/1) ... [2022-10-17 16:52:24,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:52:24,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:24,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 158 states and 248 transitions. [2022-10-17 16:52:24,466 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 248 transitions. [2022-10-17 16:52:24,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:52:24,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:24,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:24,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:24,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:52:24,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:24,845 INFO L356 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-10-17 16:52:24,845 INFO L390 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 74 [2022-10-17 16:52:24,864 INFO L390 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 [2022-10-17 16:52:24,881 INFO L390 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 [2022-10-17 16:52:24,981 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 38 treesize of output 11 [2022-10-17 16:52:24,987 INFO L390 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 [2022-10-17 16:52:25,005 INFO L390 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 [2022-10-17 16:52:25,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:52:25,055 INFO L390 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 [2022-10-17 16:52:25,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:25,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:25,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 161 states and 253 transitions. [2022-10-17 16:52:25,135 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 253 transitions. [2022-10-17 16:52:25,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:52:25,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:25,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:25,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:52:25,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:25,236 INFO L390 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 [2022-10-17 16:52:25,265 INFO L356 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-10-17 16:52:25,266 INFO L390 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 74 [2022-10-17 16:52:25,275 INFO L390 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 [2022-10-17 16:52:25,284 INFO L390 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 [2022-10-17 16:52:25,335 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-10-17 16:52:25,336 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2022-10-17 16:52:25,340 INFO L390 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 [2022-10-17 16:52:25,358 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 38 treesize of output 11 [2022-10-17 16:52:25,361 INFO L390 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 [2022-10-17 16:52:25,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:52:25,399 INFO L390 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 [2022-10-17 16:52:25,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:25,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:25,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 162 states and 254 transitions. [2022-10-17 16:52:25,501 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 254 transitions. [2022-10-17 16:52:25,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:52:25,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:25,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:25,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:52:25,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:25,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:25,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:25,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 162 states and 252 transitions. [2022-10-17 16:52:25,616 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 252 transitions. [2022-10-17 16:52:25,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:52:25,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:25,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:25,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:25,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:26,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:26,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 162 states and 247 transitions. [2022-10-17 16:52:26,028 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 247 transitions. [2022-10-17 16:52:26,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:52:26,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:26,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:26,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:26,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:52:26,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:26,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:26,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:26,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 162 states and 241 transitions. [2022-10-17 16:52:26,152 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 241 transitions. [2022-10-17 16:52:26,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:52:26,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:26,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:26,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:52:26,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:26,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:26,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:26,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 162 states and 239 transitions. [2022-10-17 16:52:26,283 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 239 transitions. [2022-10-17 16:52:26,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:52:26,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:26,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:26,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:52:26,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:26,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:26,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:26,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 162 states and 237 transitions. [2022-10-17 16:52:26,426 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 237 transitions. [2022-10-17 16:52:26,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:52:26,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:26,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:26,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:26,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:52:26,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:26,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:27,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:27,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 179 states and 263 transitions. [2022-10-17 16:52:27,032 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 263 transitions. [2022-10-17 16:52:27,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:52:27,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:27,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:27,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:27,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:52:27,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:27,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:27,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:27,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 197 states and 290 transitions. [2022-10-17 16:52:27,881 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 290 transitions. [2022-10-17 16:52:27,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:52:27,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:27,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:28,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:52:28,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:28,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:28,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:28,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 197 states and 288 transitions. [2022-10-17 16:52:28,016 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 288 transitions. [2022-10-17 16:52:28,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:52:28,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:28,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:28,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:28,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:52:28,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:28,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:28,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:28,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 197 states and 284 transitions. [2022-10-17 16:52:28,189 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 284 transitions. [2022-10-17 16:52:28,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:52:28,193 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:28,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:28,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:28,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:52:28,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:28,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:52:28,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:28,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 200 states and 286 transitions. [2022-10-17 16:52:28,384 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 286 transitions. [2022-10-17 16:52:28,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:52:28,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:28,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:28,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:52:28,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:28,569 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:52:28,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:28,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 203 states and 288 transitions. [2022-10-17 16:52:28,580 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 288 transitions. [2022-10-17 16:52:28,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:52:28,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:28,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:29,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 1628 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:52:29,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:29,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:29,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:29,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 203 states and 282 transitions. [2022-10-17 16:52:29,227 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 282 transitions. [2022-10-17 16:52:29,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:52:29,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:29,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:29,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:52:29,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:29,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:30,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:30,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 229 states and 326 transitions. [2022-10-17 16:52:30,628 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 326 transitions. [2022-10-17 16:52:30,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:52:30,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:30,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:31,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:31,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 1630 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:52:31,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:31,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:31,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:31,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 238 states and 338 transitions. [2022-10-17 16:52:31,600 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 338 transitions. [2022-10-17 16:52:31,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:52:31,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:31,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:31,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:31,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:52:31,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:31,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:33,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:33,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 265 states and 385 transitions. [2022-10-17 16:52:33,342 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 385 transitions. [2022-10-17 16:52:33,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:52:33,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:33,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:33,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:33,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 1631 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:52:33,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:33,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:34,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:34,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 274 states and 398 transitions. [2022-10-17 16:52:34,138 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 398 transitions. [2022-10-17 16:52:34,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:52:34,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:34,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:34,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 1600 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:52:34,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:34,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:35,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:35,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 288 states and 416 transitions. [2022-10-17 16:52:35,842 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 416 transitions. [2022-10-17 16:52:35,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:52:35,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:35,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:36,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:52:36,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:36,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:52:36,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:36,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 291 states and 418 transitions. [2022-10-17 16:52:36,136 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 418 transitions. [2022-10-17 16:52:36,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:52:36,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:36,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:36,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:52:36,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:36,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:52:36,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:36,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 294 states and 420 transitions. [2022-10-17 16:52:36,397 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 420 transitions. [2022-10-17 16:52:36,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:52:36,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:36,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:36,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:52:36,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:36,937 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:39,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:39,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 310 states and 466 transitions. [2022-10-17 16:52:39,209 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 466 transitions. [2022-10-17 16:52:39,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:52:39,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:39,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:39,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 16:52:39,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:39,558 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:41,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:41,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 325 states and 509 transitions. [2022-10-17 16:52:41,002 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 509 transitions. [2022-10-17 16:52:41,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:52:41,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:41,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:41,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:41,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 1620 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:52:41,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:41,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:52:41,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:41,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 328 states and 511 transitions. [2022-10-17 16:52:41,715 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 511 transitions. [2022-10-17 16:52:41,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:52:41,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:41,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:41,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:52:41,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:41,930 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:42,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:42,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 332 states and 521 transitions. [2022-10-17 16:52:42,355 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 521 transitions. [2022-10-17 16:52:42,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:52:42,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:42,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:42,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:52:42,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:42,698 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:42,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:42,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 332 states and 517 transitions. [2022-10-17 16:52:42,789 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 517 transitions. [2022-10-17 16:52:42,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:52:42,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:42,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:42,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:42,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:52:42,987 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:42,993 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:52:43,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:43,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 330 states and 513 transitions. [2022-10-17 16:52:43,010 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 513 transitions. [2022-10-17 16:52:43,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:52:43,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:43,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:43,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:43,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:52:43,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:43,628 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:45,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:45,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 340 states and 545 transitions. [2022-10-17 16:52:45,692 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 545 transitions. [2022-10-17 16:52:45,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:52:45,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:45,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:45,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 622 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:52:45,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:46,044 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:48,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:48,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 354 states and 587 transitions. [2022-10-17 16:52:48,174 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 587 transitions. [2022-10-17 16:52:48,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 16:52:48,175 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:48,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:48,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 835 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:52:48,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:48,740 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:52:50,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:50,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 369 states and 628 transitions. [2022-10-17 16:52:50,707 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 628 transitions. [2022-10-17 16:52:50,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 16:52:50,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:50,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:50,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:50,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 835 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:52:51,000 INFO L286 TraceCheckSpWp]: Computing forward predicates...