./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.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_ae6e472c-282d-4bd9-a20f-f94be90a03b6/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6e472c-282d-4bd9-a20f-f94be90a03b6/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_ae6e472c-282d-4bd9-a20f-f94be90a03b6/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6e472c-282d-4bd9-a20f-f94be90a03b6/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6e472c-282d-4bd9-a20f-f94be90a03b6/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_ae6e472c-282d-4bd9-a20f-f94be90a03b6/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 bd635b7902366e8a0b08b14a90a1f3949f04bf734a3e09a83f5077ced842f5da --- 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 16:46:57,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:46:57,580 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:46:57,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:46:57,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:46:57,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:46:57,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:46:57,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:46:57,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:46:57,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:46:57,657 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:46:57,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:46:57,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:46:57,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:46:57,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:46:57,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:46:57,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:46:57,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:46:57,673 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:46:57,676 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:46:57,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:46:57,680 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:46:57,682 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:46:57,684 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:46:57,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:46:57,691 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:46:57,692 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:46:57,693 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:46:57,694 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:46:57,695 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:46:57,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:46:57,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:46:57,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:46:57,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:46:57,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:46:57,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:46:57,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:46:57,703 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:46:57,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:46:57,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:46:57,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:46:57,707 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6e472c-282d-4bd9-a20f-f94be90a03b6/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-10-17 16:46:57,737 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:46:57,738 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:46:57,739 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:46:57,739 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:46:57,740 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:46:57,741 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:46:57,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:46:57,742 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:46:57,742 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:46:57,742 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:46:57,744 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:46:57,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:46:57,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:46:57,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:46:57,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:46:57,745 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 16:46:57,745 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:46:57,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:46:57,746 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:46:57,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:46:57,747 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:46:57,747 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:46:57,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:46:57,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:46:57,748 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:46:57,748 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:46:57,748 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:46:57,749 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:46:57,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:46:57,749 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:46:57,750 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_ae6e472c-282d-4bd9-a20f-f94be90a03b6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6e472c-282d-4bd9-a20f-f94be90a03b6/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd635b7902366e8a0b08b14a90a1f3949f04bf734a3e09a83f5077ced842f5da [2022-10-17 16:46:58,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:46:58,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:46:58,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:46:58,143 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:46:58,144 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:46:58,145 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6e472c-282d-4bd9-a20f-f94be90a03b6/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i [2022-10-17 16:46:58,221 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6e472c-282d-4bd9-a20f-f94be90a03b6/bin/ukojak-92XMlrwhuB/data/c7e9a4a37/099201dde7404ab0b6ad9db0434f416b/FLAG6fb1b938c [2022-10-17 16:46:58,942 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:46:58,943 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6e472c-282d-4bd9-a20f-f94be90a03b6/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i [2022-10-17 16:46:58,977 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6e472c-282d-4bd9-a20f-f94be90a03b6/bin/ukojak-92XMlrwhuB/data/c7e9a4a37/099201dde7404ab0b6ad9db0434f416b/FLAG6fb1b938c [2022-10-17 16:46:59,103 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6e472c-282d-4bd9-a20f-f94be90a03b6/bin/ukojak-92XMlrwhuB/data/c7e9a4a37/099201dde7404ab0b6ad9db0434f416b [2022-10-17 16:46:59,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:46:59,108 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:46:59,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:46:59,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:46:59,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:46:59,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:46:59" (1/1) ... [2022-10-17 16:46:59,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7691f219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:46:59, skipping insertion in model container [2022-10-17 16:46:59,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:46:59" (1/1) ... [2022-10-17 16:46:59,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:46:59,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:47:00,196 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_ae6e472c-282d-4bd9-a20f-f94be90a03b6/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[44118,44131] [2022-10-17 16:47:00,229 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_ae6e472c-282d-4bd9-a20f-f94be90a03b6/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[44660,44673] [2022-10-17 16:47:00,447 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_ae6e472c-282d-4bd9-a20f-f94be90a03b6/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[56247,56260] [2022-10-17 16:47:00,450 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_ae6e472c-282d-4bd9-a20f-f94be90a03b6/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[56368,56381] [2022-10-17 16:47:00,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:47:00,505 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:47:00,551 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_ae6e472c-282d-4bd9-a20f-f94be90a03b6/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[44118,44131] [2022-10-17 16:47:00,554 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_ae6e472c-282d-4bd9-a20f-f94be90a03b6/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[44660,44673] [2022-10-17 16:47:00,615 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_ae6e472c-282d-4bd9-a20f-f94be90a03b6/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[56247,56260] [2022-10-17 16:47:00,625 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_ae6e472c-282d-4bd9-a20f-f94be90a03b6/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test6-2.i[56368,56381] [2022-10-17 16:47:00,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:47:00,761 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:47:00,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:00 WrapperNode [2022-10-17 16:47:00,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:47:00,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:47:00,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:47:00,763 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:47:00,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:00" (1/1) ... [2022-10-17 16:47:00,922 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:00" (1/1) ... [2022-10-17 16:47:01,054 INFO L138 Inliner]: procedures = 282, calls = 347, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1209 [2022-10-17 16:47:01,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:47:01,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:47:01,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:47:01,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:47:01,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:00" (1/1) ... [2022-10-17 16:47:01,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:00" (1/1) ... [2022-10-17 16:47:01,092 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:00" (1/1) ... [2022-10-17 16:47:01,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:00" (1/1) ... [2022-10-17 16:47:01,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:00" (1/1) ... [2022-10-17 16:47:01,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:00" (1/1) ... [2022-10-17 16:47:01,229 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:00" (1/1) ... [2022-10-17 16:47:01,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:00" (1/1) ... [2022-10-17 16:47:01,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:47:01,268 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:47:01,269 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:47:01,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:47:01,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:47:00" (1/1) ... [2022-10-17 16:47:01,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:47:01,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6e472c-282d-4bd9-a20f-f94be90a03b6/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:47:01,319 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6e472c-282d-4bd9-a20f-f94be90a03b6/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:47:01,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae6e472c-282d-4bd9-a20f-f94be90a03b6/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:47:01,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:47:01,375 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-10-17 16:47:01,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:47:01,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:47:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2022-10-17 16:47:01,376 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2022-10-17 16:47:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:47:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:47:01,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:47:01,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:47:01,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:47:01,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:47:01,377 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2022-10-17 16:47:01,378 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2022-10-17 16:47:01,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:47:01,378 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2022-10-17 16:47:01,378 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2022-10-17 16:47:01,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:47:01,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:47:01,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:47:01,799 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:47:01,802 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:47:03,925 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:47:04,538 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:47:04,538 INFO L300 CfgBuilder]: Removed 72 assume(true) statements. [2022-10-17 16:47:04,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:47:04 BoogieIcfgContainer [2022-10-17 16:47:04,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:47:04,544 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:47:04,544 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:47:04,555 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:47:04,556 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:47:04" (1/1) ... [2022-10-17 16:47:04,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:47:04,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:04,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 176 states and 279 transitions. [2022-10-17 16:47:04,649 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 279 transitions. [2022-10-17 16:47:04,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:47:04,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:04,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:04,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:04,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:47:04,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:04,970 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 16:47:05,015 INFO L356 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-10-17 16:47:05,016 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 16:47:05,028 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 16:47:05,042 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 16:47:05,124 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 23 treesize of output 11 [2022-10-17 16:47:05,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:47:05,225 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 16:47:05,242 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 16:47:05,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:05,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 179 states and 284 transitions. [2022-10-17 16:47:05,325 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 284 transitions. [2022-10-17 16:47:05,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:47:05,326 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:05,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:05,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:47:05,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:05,526 INFO L356 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2022-10-17 16:47:05,527 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 16:47:05,540 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 16:47:05,551 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 16:47:05,613 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 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 16 treesize of output 5 [2022-10-17 16:47:05,617 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 16:47:05,645 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 16:47:05,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 16:47:05,685 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 16:47:05,698 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 16:47:05,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:05,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 180 states and 286 transitions. [2022-10-17 16:47:05,749 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 286 transitions. [2022-10-17 16:47:05,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:47:05,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:05,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:05,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:05,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:47:05,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:05,912 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 16:47:05,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:05,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 180 states and 284 transitions. [2022-10-17 16:47:05,923 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 284 transitions. [2022-10-17 16:47:05,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:47:05,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:05,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:05,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:06,190 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 16:47:06,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:06,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 180 states and 279 transitions. [2022-10-17 16:47:06,300 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 279 transitions. [2022-10-17 16:47:06,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:47:06,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:06,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:06,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:47:06,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:06,425 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 16:47:06,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:06,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 180 states and 273 transitions. [2022-10-17 16:47:06,442 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 273 transitions. [2022-10-17 16:47:06,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:47:06,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:06,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:06,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:47:06,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:06,598 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 16:47:06,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:06,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 180 states and 271 transitions. [2022-10-17 16:47:06,611 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 271 transitions. [2022-10-17 16:47:06,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:47:06,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:06,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:06,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:06,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:47:06,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:06,750 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 16:47:06,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:06,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 180 states and 269 transitions. [2022-10-17 16:47:06,770 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 269 transitions. [2022-10-17 16:47:06,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:47:06,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:06,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:06,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:06,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:47:06,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:07,020 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 16:47:07,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:07,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 197 states and 296 transitions. [2022-10-17 16:47:07,553 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 296 transitions. [2022-10-17 16:47:07,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:47:07,553 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:07,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:07,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:47:07,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:07,838 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 16:47:08,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:08,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 215 states and 324 transitions. [2022-10-17 16:47:08,672 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 324 transitions. [2022-10-17 16:47:08,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:47:08,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:08,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:08,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:47:08,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:08,814 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 16:47:08,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:08,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 215 states and 322 transitions. [2022-10-17 16:47:08,823 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 322 transitions. [2022-10-17 16:47:08,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:47:08,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:08,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:09,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:47:09,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:09,010 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 16:47:09,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:09,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 215 states and 318 transitions. [2022-10-17 16:47:09,019 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 318 transitions. [2022-10-17 16:47:09,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:47:09,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:09,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:09,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:47:09,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:09,236 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 16:47:09,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:09,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 218 states and 320 transitions. [2022-10-17 16:47:09,246 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 320 transitions. [2022-10-17 16:47:09,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:47:09,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:09,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:09,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:47:09,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:09,454 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 16:47:09,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:09,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 221 states and 322 transitions. [2022-10-17 16:47:09,466 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 322 transitions. [2022-10-17 16:47:09,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:47:09,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:09,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:10,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:10,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 1628 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:47:10,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:10,116 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 16:47:10,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:10,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 221 states and 316 transitions. [2022-10-17 16:47:10,155 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 316 transitions. [2022-10-17 16:47:10,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:47:10,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:10,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:10,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:47:10,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:10,439 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 16:47:11,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:11,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 247 states and 361 transitions. [2022-10-17 16:47:11,919 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 361 transitions. [2022-10-17 16:47:11,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:47:11,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:11,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:12,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 1630 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:47:12,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:12,615 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 16:47:12,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:12,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 256 states and 373 transitions. [2022-10-17 16:47:12,825 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 373 transitions. [2022-10-17 16:47:12,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:47:12,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:12,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:12,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:47:12,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:13,091 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 16:47:14,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:14,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 283 states and 421 transitions. [2022-10-17 16:47:14,802 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 421 transitions. [2022-10-17 16:47:14,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:47:14,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:14,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:15,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 1631 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:47:15,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:15,505 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 16:47:15,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:15,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 292 states and 434 transitions. [2022-10-17 16:47:15,886 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 434 transitions. [2022-10-17 16:47:15,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:47:15,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:15,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:16,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 1600 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:47:16,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:16,602 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 16:47:18,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:18,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 306 states and 453 transitions. [2022-10-17 16:47:18,285 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 453 transitions. [2022-10-17 16:47:18,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:47:18,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:18,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:18,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:18,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:47:18,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:18,594 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 16:47:18,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:18,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 309 states and 455 transitions. [2022-10-17 16:47:18,624 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 455 transitions. [2022-10-17 16:47:18,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:47:18,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:18,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:18,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:47:18,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:18,934 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 16:47:18,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:18,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 312 states and 457 transitions. [2022-10-17 16:47:18,953 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 457 transitions. [2022-10-17 16:47:18,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:47:18,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:18,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:19,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:47:19,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:19,709 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 16:47:22,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:22,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 328 states and 503 transitions. [2022-10-17 16:47:22,286 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 503 transitions. [2022-10-17 16:47:22,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:47:22,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:22,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:22,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 16:47:22,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:22,744 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 16:47:24,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:24,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 343 states and 546 transitions. [2022-10-17 16:47:24,575 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 546 transitions. [2022-10-17 16:47:24,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:47:24,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:24,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:25,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:25,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 1620 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:47:25,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:25,339 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 16:47:25,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:25,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 346 states and 548 transitions. [2022-10-17 16:47:25,377 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 548 transitions. [2022-10-17 16:47:25,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:47:25,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:25,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:25,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:47:25,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:25,617 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 16:47:26,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:26,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 350 states and 558 transitions. [2022-10-17 16:47:26,134 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 558 transitions. [2022-10-17 16:47:26,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:47:26,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:26,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:26,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:47:26,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:26,415 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 16:47:26,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:26,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 350 states and 554 transitions. [2022-10-17 16:47:26,502 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 554 transitions. [2022-10-17 16:47:26,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:47:26,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:26,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:26,728 INFO L263 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:47:26,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:26,735 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 16:47:26,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:47:26,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 348 states and 550 transitions. [2022-10-17 16:47:26,762 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 550 transitions. [2022-10-17 16:47:26,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:47:26,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:47:26,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:47:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:47:27,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 621 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:47:27,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:47:27,508 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.