./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12e11f-4273-47e7-af93-ae411b2820ca/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12e11f-4273-47e7-af93-ae411b2820ca/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12e11f-4273-47e7-af93-ae411b2820ca/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12e11f-4273-47e7-af93-ae411b2820ca/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12e11f-4273-47e7-af93-ae411b2820ca/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12e11f-4273-47e7-af93-ae411b2820ca/bin/ukojak-d1pc8ZmBRL --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e4ea247b245ebcaf5e735452e89c4110c7b9dc9b43836e98484a894783fc3462 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 07:32:23,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 07:32:23,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 07:32:23,616 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 07:32:23,617 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 07:32:23,618 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 07:32:23,620 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 07:32:23,623 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 07:32:23,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 07:32:23,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 07:32:23,629 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 07:32:23,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 07:32:23,631 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 07:32:23,633 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 07:32:23,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 07:32:23,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 07:32:23,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 07:32:23,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 07:32:23,650 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 07:32:23,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 07:32:23,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 07:32:23,658 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 07:32:23,660 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 07:32:23,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 07:32:23,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 07:32:23,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 07:32:23,677 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 07:32:23,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 07:32:23,680 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 07:32:23,681 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 07:32:23,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 07:32:23,685 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 07:32:23,687 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 07:32:23,689 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 07:32:23,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 07:32:23,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 07:32:23,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 07:32:23,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 07:32:23,694 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 07:32:23,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 07:32:23,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 07:32:23,697 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12e11f-4273-47e7-af93-ae411b2820ca/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-25 07:32:23,744 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 07:32:23,744 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 07:32:23,745 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 07:32:23,745 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 07:32:23,746 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 07:32:23,746 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 07:32:23,747 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 07:32:23,747 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 07:32:23,747 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 07:32:23,747 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 07:32:23,747 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 07:32:23,748 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 07:32:23,748 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 07:32:23,748 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 07:32:23,748 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 07:32:23,748 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 07:32:23,749 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 07:32:23,749 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 07:32:23,749 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 07:32:23,749 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 07:32:23,749 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 07:32:23,749 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 07:32:23,750 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 07:32:23,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:32:23,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 07:32:23,750 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 07:32:23,751 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 07:32:23,751 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 07:32:23,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 07:32:23,751 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 07:32:23,751 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_8b12e11f-4273-47e7-af93-ae411b2820ca/bin/ukojak-d1pc8ZmBRL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12e11f-4273-47e7-af93-ae411b2820ca/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4ea247b245ebcaf5e735452e89c4110c7b9dc9b43836e98484a894783fc3462 [2021-11-25 07:32:23,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 07:32:24,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 07:32:24,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 07:32:24,026 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 07:32:24,027 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 07:32:24,029 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12e11f-4273-47e7-af93-ae411b2820ca/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i [2021-11-25 07:32:24,178 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12e11f-4273-47e7-af93-ae411b2820ca/bin/ukojak-d1pc8ZmBRL/data/1beacf4ca/f0b30647fdd243678051d2684b95f591/FLAG99bd36f79 [2021-11-25 07:32:24,977 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 07:32:24,977 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12e11f-4273-47e7-af93-ae411b2820ca/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i [2021-11-25 07:32:24,998 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12e11f-4273-47e7-af93-ae411b2820ca/bin/ukojak-d1pc8ZmBRL/data/1beacf4ca/f0b30647fdd243678051d2684b95f591/FLAG99bd36f79 [2021-11-25 07:32:25,111 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12e11f-4273-47e7-af93-ae411b2820ca/bin/ukojak-d1pc8ZmBRL/data/1beacf4ca/f0b30647fdd243678051d2684b95f591 [2021-11-25 07:32:25,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 07:32:25,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 07:32:25,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 07:32:25,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 07:32:25,130 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 07:32:25,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:32:25" (1/1) ... [2021-11-25 07:32:25,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70c22fe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:25, skipping insertion in model container [2021-11-25 07:32:25,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:32:25" (1/1) ... [2021-11-25 07:32:25,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 07:32:25,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 07:32:25,886 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_8b12e11f-4273-47e7-af93-ae411b2820ca/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[44118,44131] [2021-11-25 07:32:25,902 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_8b12e11f-4273-47e7-af93-ae411b2820ca/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[44660,44673] [2021-11-25 07:32:26,078 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_8b12e11f-4273-47e7-af93-ae411b2820ca/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[56247,56260] [2021-11-25 07:32:26,080 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_8b12e11f-4273-47e7-af93-ae411b2820ca/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[56368,56381] [2021-11-25 07:32:26,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:32:26,118 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 07:32:26,155 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_8b12e11f-4273-47e7-af93-ae411b2820ca/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[44118,44131] [2021-11-25 07:32:26,169 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_8b12e11f-4273-47e7-af93-ae411b2820ca/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[44660,44673] [2021-11-25 07:32:26,301 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_8b12e11f-4273-47e7-af93-ae411b2820ca/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[56247,56260] [2021-11-25 07:32:26,315 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_8b12e11f-4273-47e7-af93-ae411b2820ca/sv-benchmarks/c/uthash-2.0.2/uthash_FNV_test6-2.i[56368,56381] [2021-11-25 07:32:26,327 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:32:26,396 INFO L208 MainTranslator]: Completed translation [2021-11-25 07:32:26,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:26 WrapperNode [2021-11-25 07:32:26,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 07:32:26,398 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 07:32:26,399 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 07:32:26,399 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 07:32:26,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:26" (1/1) ... [2021-11-25 07:32:26,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:26" (1/1) ... [2021-11-25 07:32:26,538 INFO L137 Inliner]: procedures = 282, calls = 347, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 1209 [2021-11-25 07:32:26,539 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 07:32:26,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 07:32:26,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 07:32:26,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 07:32:26,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:26" (1/1) ... [2021-11-25 07:32:26,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:26" (1/1) ... [2021-11-25 07:32:26,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:26" (1/1) ... [2021-11-25 07:32:26,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:26" (1/1) ... [2021-11-25 07:32:26,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:26" (1/1) ... [2021-11-25 07:32:26,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:26" (1/1) ... [2021-11-25 07:32:26,705 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:26" (1/1) ... [2021-11-25 07:32:26,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 07:32:26,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 07:32:26,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 07:32:26,736 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 07:32:26,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:32:26" (1/1) ... [2021-11-25 07:32:26,746 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:32:26,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12e11f-4273-47e7-af93-ae411b2820ca/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 07:32:26,774 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12e11f-4273-47e7-af93-ae411b2820ca/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 07:32:26,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12e11f-4273-47e7-af93-ae411b2820ca/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 07:32:26,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 07:32:26,828 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 07:32:26,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 07:32:26,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 07:32:26,830 INFO L130 BoogieDeclarations]: Found specification of procedure alt_bzero [2021-11-25 07:32:26,830 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_bzero [2021-11-25 07:32:26,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 07:32:26,830 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 07:32:26,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 07:32:26,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 07:32:26,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 07:32:26,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 07:32:26,831 INFO L130 BoogieDeclarations]: Found specification of procedure alt_malloc [2021-11-25 07:32:26,831 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_malloc [2021-11-25 07:32:26,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 07:32:26,832 INFO L130 BoogieDeclarations]: Found specification of procedure alt_free [2021-11-25 07:32:26,832 INFO L138 BoogieDeclarations]: Found implementation of procedure alt_free [2021-11-25 07:32:26,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 07:32:26,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 07:32:26,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 07:32:27,180 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 07:32:27,182 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 07:32:28,219 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 07:32:28,723 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 07:32:28,724 INFO L301 CfgBuilder]: Removed 72 assume(true) statements. [2021-11-25 07:32:28,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:32:28 BoogieIcfgContainer [2021-11-25 07:32:28,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 07:32:28,730 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 07:32:28,730 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 07:32:28,741 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 07:32:28,742 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:32:28" (1/1) ... [2021-11-25 07:32:28,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 07:32:28,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:28,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 176 states and 279 transitions. [2021-11-25 07:32:28,856 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 279 transitions. [2021-11-25 07:32:28,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 07:32:28,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:28,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:29,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-25 07:32:29,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:32:29,266 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 07:32:29,301 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-11-25 07:32:29,302 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 51 [2021-11-25 07:32:29,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 07:32:29,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 07:32:29,439 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2021-11-25 07:32:29,474 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-25 07:32:29,478 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 07:32:29,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:32:29,525 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2021-11-25 07:32:29,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:32:29,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:29,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 179 states and 284 transitions. [2021-11-25 07:32:29,593 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 284 transitions. [2021-11-25 07:32:29,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-25 07:32:29,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:29,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:29,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-25 07:32:29,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:32:29,709 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-11-25 07:32:29,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 51 [2021-11-25 07:32:29,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 07:32:29,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-11-25 07:32:29,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-25 07:32:29,898 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-11-25 07:32:29,902 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-11-25 07:32:29,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-25 07:32:29,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 07:32:29,944 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-25 07:32:29,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:32:30,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:30,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 180 states and 286 transitions. [2021-11-25 07:32:30,012 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 286 transitions. [2021-11-25 07:32:30,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 07:32:30,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:30,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:30,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:30,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 07:32:30,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:32:30,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:32:30,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:30,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 180 states and 284 transitions. [2021-11-25 07:32:30,125 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 284 transitions. [2021-11-25 07:32:30,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 07:32:30,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:30,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:30,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:32:30,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:30,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 180 states and 279 transitions. [2021-11-25 07:32:30,354 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 279 transitions. [2021-11-25 07:32:30,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-25 07:32:30,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:30,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:30,488 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 07:32:30,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:32:30,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:32:30,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:30,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 180 states and 273 transitions. [2021-11-25 07:32:30,531 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 273 transitions. [2021-11-25 07:32:30,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-25 07:32:30,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:30,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:30,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:30,650 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 07:32:30,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:32:30,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:32:30,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:30,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 180 states and 271 transitions. [2021-11-25 07:32:30,686 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 271 transitions. [2021-11-25 07:32:30,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 07:32:30,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:30,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:30,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 07:32:30,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:32:30,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:32:30,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:30,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 180 states and 269 transitions. [2021-11-25 07:32:30,885 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 269 transitions. [2021-11-25 07:32:30,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-25 07:32:30,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:30,893 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:31,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 07:32:31,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:32:31,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:32:31,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:31,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 197 states and 296 transitions. [2021-11-25 07:32:31,720 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 296 transitions. [2021-11-25 07:32:31,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-25 07:32:31,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:31,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:31,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:31,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 07:32:31,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:32:31,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:32:32,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:32,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 215 states and 324 transitions. [2021-11-25 07:32:32,648 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 324 transitions. [2021-11-25 07:32:32,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 07:32:32,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:32,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:32,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 07:32:32,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:32:32,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:32:32,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:32,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 215 states and 322 transitions. [2021-11-25 07:32:32,809 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 322 transitions. [2021-11-25 07:32:32,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-25 07:32:32,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:32,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:32,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:32,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 07:32:32,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:32:32,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:32:32,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:32,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 215 states and 318 transitions. [2021-11-25 07:32:32,987 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 318 transitions. [2021-11-25 07:32:32,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 07:32:32,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:32,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:33,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 07:32:33,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:32:33,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:32:33,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:33,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 218 states and 320 transitions. [2021-11-25 07:32:33,158 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 320 transitions. [2021-11-25 07:32:33,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 07:32:33,159 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:33,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:33,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:33,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 07:32:33,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:32:33,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:32:33,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:33,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 221 states and 322 transitions. [2021-11-25 07:32:33,344 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 322 transitions. [2021-11-25 07:32:33,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-25 07:32:33,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:33,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:33,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:33,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 1623 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 07:32:33,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:32:33,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:32:33,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:33,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 221 states and 316 transitions. [2021-11-25 07:32:33,962 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 316 transitions. [2021-11-25 07:32:33,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 07:32:33,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:33,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:34,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 07:32:34,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:32:34,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:32:35,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:35,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 247 states and 361 transitions. [2021-11-25 07:32:35,388 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 361 transitions. [2021-11-25 07:32:35,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 07:32:35,389 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:35,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:35,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:35,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 1624 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 07:32:35,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:32:36,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:32:36,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:36,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 256 states and 373 transitions. [2021-11-25 07:32:36,198 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 373 transitions. [2021-11-25 07:32:36,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 07:32:36,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:36,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:36,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 07:32:36,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:32:36,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:32:38,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:38,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 283 states and 421 transitions. [2021-11-25 07:32:38,040 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 421 transitions. [2021-11-25 07:32:38,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 07:32:38,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:38,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:38,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:38,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 1625 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 07:32:38,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:32:38,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:32:38,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:38,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 292 states and 434 transitions. [2021-11-25 07:32:38,861 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 434 transitions. [2021-11-25 07:32:38,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 07:32:38,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:38,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:39,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:39,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 1594 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 07:32:39,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:32:39,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:32:40,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:40,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 306 states and 453 transitions. [2021-11-25 07:32:40,885 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 453 transitions. [2021-11-25 07:32:40,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 07:32:40,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:40,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:40,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:40,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 07:32:41,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:32:41,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:32:41,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:41,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 309 states and 455 transitions. [2021-11-25 07:32:41,104 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 455 transitions. [2021-11-25 07:32:41,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 07:32:41,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:41,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:41,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 07:32:41,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:32:41,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:32:41,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:41,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 312 states and 457 transitions. [2021-11-25 07:32:41,390 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 457 transitions. [2021-11-25 07:32:41,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-25 07:32:41,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:41,391 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:41,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:41,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-25 07:32:41,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:32:41,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:32:44,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:44,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 328 states and 503 transitions. [2021-11-25 07:32:44,112 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 503 transitions. [2021-11-25 07:32:44,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-25 07:32:44,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:44,113 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:44,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 07:32:44,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:32:44,523 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:32:45,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:45,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 343 states and 546 transitions. [2021-11-25 07:32:45,915 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 546 transitions. [2021-11-25 07:32:45,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 07:32:45,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:45,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:46,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:46,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 1609 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 07:32:46,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:32:46,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:32:46,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:46,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 346 states and 548 transitions. [2021-11-25 07:32:46,549 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 548 transitions. [2021-11-25 07:32:46,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-25 07:32:46,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:46,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:46,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 489 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 07:32:46,743 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:32:46,818 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:32:47,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:47,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 350 states and 558 transitions. [2021-11-25 07:32:47,252 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 558 transitions. [2021-11-25 07:32:47,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-25 07:32:47,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:47,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:47,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 07:32:47,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:32:47,558 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:32:47,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:47,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 350 states and 554 transitions. [2021-11-25 07:32:47,646 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 554 transitions. [2021-11-25 07:32:47,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 07:32:47,647 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:47,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:47,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:47,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 07:32:47,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:32:47,919 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 07:32:47,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:47,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 348 states and 550 transitions. [2021-11-25 07:32:47,932 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 550 transitions. [2021-11-25 07:32:47,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 07:32:47,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:47,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:48,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 07:32:48,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:32:48,605 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:32:51,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:51,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 364 states and 601 transitions. [2021-11-25 07:32:51,336 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 601 transitions. [2021-11-25 07:32:51,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-25 07:32:51,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:51,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:51,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:51,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 07:32:51,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:32:51,994 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:32:54,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:54,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 375 states and 628 transitions. [2021-11-25 07:32:54,715 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 628 transitions. [2021-11-25 07:32:54,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-25 07:32:54,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:54,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:54,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-25 07:32:54,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:32:55,346 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 07:32:58,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:32:58,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 395 states and 682 transitions. [2021-11-25 07:32:58,074 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 682 transitions. [2021-11-25 07:32:58,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-25 07:32:58,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:32:58,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:32:58,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:32:58,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-25 07:32:58,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:32:58,489 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 07:33:00,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:33:00,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 399 states and 694 transitions. [2021-11-25 07:33:00,716 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 694 transitions. [2021-11-25 07:33:00,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-25 07:33:00,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:33:00,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:33:00,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:33:00,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-25 07:33:00,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:33:01,138 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 07:33:02,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:33:02,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 399 states and 693 transitions. [2021-11-25 07:33:02,242 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 693 transitions. [2021-11-25 07:33:02,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-25 07:33:02,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:33:02,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:33:02,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:33:02,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 07:33:02,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:33:03,963 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 07:33:18,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:33:18,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 418 states and 752 transitions. [2021-11-25 07:33:18,069 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 752 transitions. [2021-11-25 07:33:18,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-25 07:33:18,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:33:18,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:33:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:33:18,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 830 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-25 07:33:18,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:33:18,956 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 07:33:19,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:33:19,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 428 states and 774 transitions. [2021-11-25 07:33:19,835 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 774 transitions. [2021-11-25 07:33:19,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-25 07:33:19,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:33:19,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:33:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:33:20,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-25 07:33:20,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:33:21,866 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-25 07:33:25,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:33:25,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 430 states and 776 transitions. [2021-11-25 07:33:25,290 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 776 transitions. [2021-11-25 07:33:25,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-25 07:33:25,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:33:25,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:33:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:33:26,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 808 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-25 07:33:26,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:33:29,131 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:33:54,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:33:54,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 438 states and 805 transitions. [2021-11-25 07:33:54,871 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 805 transitions. [2021-11-25 07:33:54,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-25 07:33:54,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:33:54,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:33:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:33:55,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 823 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-25 07:33:55,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:33:56,720 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:34:04,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:34:04,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 440 states and 809 transitions. [2021-11-25 07:34:04,089 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 809 transitions. [2021-11-25 07:34:04,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-25 07:34:04,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:34:04,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:34:04,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:34:04,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-25 07:34:04,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:34:04,693 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 07:34:18,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:34:18,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 444 states and 819 transitions. [2021-11-25 07:34:18,523 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 819 transitions. [2021-11-25 07:34:18,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-25 07:34:18,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:34:18,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:34:18,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:34:18,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 878 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 07:34:18,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:34:19,477 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 07:34:26,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:34:26,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 446 states and 826 transitions. [2021-11-25 07:34:26,619 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 826 transitions. [2021-11-25 07:34:26,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-25 07:34:26,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:34:26,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:34:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:34:26,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 878 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 07:34:26,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:34:27,644 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 07:34:36,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:34:36,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 448 states and 832 transitions. [2021-11-25 07:34:36,609 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 832 transitions. [2021-11-25 07:34:36,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-25 07:34:36,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:34:36,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:34:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:34:37,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-25 07:34:37,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:34:40,171 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:34:51,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:34:51,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 450 states and 836 transitions. [2021-11-25 07:34:51,585 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 836 transitions. [2021-11-25 07:34:51,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-25 07:34:51,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:34:51,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:34:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:34:55,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 868 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-25 07:34:55,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:34:58,074 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:35:12,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:35:12,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 452 states and 841 transitions. [2021-11-25 07:35:12,479 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 841 transitions. [2021-11-25 07:35:12,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-25 07:35:12,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:35:12,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:35:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:35:12,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 883 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-25 07:35:12,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:35:16,729 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:35:35,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:35:35,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 451 states and 843 transitions. [2021-11-25 07:35:35,841 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 843 transitions. [2021-11-25 07:35:35,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-25 07:35:35,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:35:35,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:35:37,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:35:37,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-25 07:35:37,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:35:37,277 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-25 07:36:07,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:36:07,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 454 states and 847 transitions. [2021-11-25 07:36:07,732 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 847 transitions. [2021-11-25 07:36:07,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-25 07:36:07,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:36:07,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:36:14,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:36:14,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-25 07:36:14,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:36:18,430 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 07:36:35,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:36:35,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 456 states and 853 transitions. [2021-11-25 07:36:35,878 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 853 transitions. [2021-11-25 07:36:35,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-25 07:36:35,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:36:35,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:36:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:36:37,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 928 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-25 07:36:37,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:36:41,150 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 31 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 07:37:00,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:37:00,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 458 states and 860 transitions. [2021-11-25 07:37:00,597 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 860 transitions. [2021-11-25 07:37:00,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-25 07:37:00,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:37:00,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:37:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:37:03,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 943 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 07:37:03,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:37:03,875 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-25 07:37:48,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:37:48,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 461 states and 864 transitions. [2021-11-25 07:37:48,337 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 864 transitions. [2021-11-25 07:37:48,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-25 07:37:48,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:37:48,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:37:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:37:49,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 958 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 07:37:49,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:37:55,346 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 1 proven. 62 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-25 07:38:47,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:38:47,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 464 states and 867 transitions. [2021-11-25 07:38:47,887 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 867 transitions. [2021-11-25 07:38:47,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-25 07:38:47,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:38:47,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:38:48,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:38:48,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 973 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-25 07:38:48,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:39:03,650 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 39 proven. 21 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-25 07:39:34,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:39:34,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 466 states and 870 transitions. [2021-11-25 07:39:34,478 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 870 transitions. [2021-11-25 07:39:34,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-25 07:39:34,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:39:34,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:39:35,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:39:35,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 988 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-25 07:39:35,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:39:41,397 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 1 proven. 90 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-25 07:40:21,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:40:21,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 469 states and 874 transitions. [2021-11-25 07:40:21,383 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 874 transitions. [2021-11-25 07:40:21,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-25 07:40:21,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:40:21,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:40:23,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:40:23,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 1003 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:40:23,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:41:01,787 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 23 proven. 84 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-25 07:41:58,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:41:58,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 471 states and 881 transitions. [2021-11-25 07:41:58,527 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 881 transitions. [2021-11-25 07:41:58,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-25 07:41:58,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:41:58,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:42:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:42:07,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 1018 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-25 07:42:07,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:42:15,647 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 74 proven. 28 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-25 07:42:53,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:42:53,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 473 states and 885 transitions. [2021-11-25 07:42:53,270 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 885 transitions. [2021-11-25 07:42:53,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-11-25 07:42:53,271 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:42:53,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:42:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:42:54,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 1033 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-25 07:42:54,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:43:05,230 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 1 proven. 134 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 07:43:48,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:43:48,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 476 states and 891 transitions. [2021-11-25 07:43:48,291 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 891 transitions. [2021-11-25 07:43:48,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-25 07:43:48,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:43:48,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:43:50,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:43:50,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 1048 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-25 07:43:50,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:44:00,206 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 91 proven. 36 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-25 07:44:44,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:44:44,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 478 states and 895 transitions. [2021-11-25 07:44:44,716 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 895 transitions. [2021-11-25 07:44:44,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-25 07:44:44,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:44:44,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:44:54,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-25 07:44:55,093 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-25 07:44:55,097 INFO L158 Benchmark]: Toolchain (without parser) took 749975.99ms. Allocated memory was 104.9MB in the beginning and 432.0MB in the end (delta: 327.2MB). Free memory was 64.3MB in the beginning and 203.7MB in the end (delta: -139.4MB). Peak memory consumption was 190.8MB. Max. memory is 16.1GB. [2021-11-25 07:44:55,097 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 104.9MB. Free memory is still 68.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:44:55,098 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1275.40ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 64.1MB in the beginning and 75.4MB in the end (delta: -11.3MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2021-11-25 07:44:55,099 INFO L158 Benchmark]: Boogie Procedure Inliner took 140.61ms. Allocated memory is still 125.8MB. Free memory was 75.4MB in the beginning and 67.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 07:44:55,100 INFO L158 Benchmark]: Boogie Preprocessor took 194.16ms. Allocated memory is still 125.8MB. Free memory was 67.0MB in the beginning and 58.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 07:44:55,101 INFO L158 Benchmark]: RCFGBuilder took 1994.26ms. Allocated memory was 125.8MB in the beginning and 165.7MB in the end (delta: 39.8MB). Free memory was 58.6MB in the beginning and 101.7MB in the end (delta: -43.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2021-11-25 07:44:55,102 INFO L158 Benchmark]: CodeCheck took 746366.19ms. Allocated memory was 165.7MB in the beginning and 432.0MB in the end (delta: 266.3MB). Free memory was 100.6MB in the beginning and 203.7MB in the end (delta: -103.1MB). Peak memory consumption was 163.2MB. Max. memory is 16.1GB. [2021-11-25 07:44:55,105 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 104.9MB. Free memory is still 68.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1275.40ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 64.1MB in the beginning and 75.4MB in the end (delta: -11.3MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 140.61ms. Allocated memory is still 125.8MB. Free memory was 75.4MB in the beginning and 67.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 194.16ms. Allocated memory is still 125.8MB. Free memory was 67.0MB in the beginning and 58.6MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1994.26ms. Allocated memory was 125.8MB in the beginning and 165.7MB in the end (delta: 39.8MB). Free memory was 58.6MB in the beginning and 101.7MB in the end (delta: -43.1MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 746366.19ms. Allocated memory was 165.7MB in the beginning and 432.0MB in the end (delta: 266.3MB). Free memory was 100.6MB in the beginning and 203.7MB in the end (delta: -103.1MB). Peak memory consumption was 163.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-25 07:44:55,333 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12e11f-4273-47e7-af93-ae411b2820ca/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2021-11-25 07:44:55,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12e11f-4273-47e7-af93-ae411b2820ca/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b12e11f-4273-47e7-af93-ae411b2820ca/bin/ukojak-d1pc8ZmBRL/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown