./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b8d40a-30eb-4ed0-b6e5-734406d22a33/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b8d40a-30eb-4ed0-b6e5-734406d22a33/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b8d40a-30eb-4ed0-b6e5-734406d22a33/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b8d40a-30eb-4ed0-b6e5-734406d22a33/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b8d40a-30eb-4ed0-b6e5-734406d22a33/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b8d40a-30eb-4ed0-b6e5-734406d22a33/bin/ukojak-2xVlg8857e --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 bd259ad1e1e9b7f6e2ebd2858541cc7ac07d30ed5cbee2b9de70c1db1c5b700e --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:25:33,605 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:25:33,607 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:25:33,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:25:33,639 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:25:33,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:25:33,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:25:33,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:25:33,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:25:33,648 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:25:33,650 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:25:33,651 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:25:33,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:25:33,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:25:33,655 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:25:33,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:25:33,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:25:33,659 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:25:33,661 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:25:33,664 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:25:33,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:25:33,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:25:33,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:25:33,677 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:25:33,681 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:25:33,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:25:33,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:25:33,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:25:33,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:25:33,695 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:25:33,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:25:33,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:25:33,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:25:33,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:25:33,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:25:33,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:25:33,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:25:33,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:25:33,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:25:33,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:25:33,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:25:33,707 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b8d40a-30eb-4ed0-b6e5-734406d22a33/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-13 23:25:33,756 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:25:33,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:25:33,759 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:25:33,760 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:25:33,760 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:25:33,761 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:25:33,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:25:33,761 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:25:33,761 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 23:25:33,762 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:25:33,763 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:25:33,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:25:33,769 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:25:33,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:25:33,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:25:33,770 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 23:25:33,770 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:25:33,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:25:33,771 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:25:33,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:25:33,771 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:25:33,772 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:25:33,772 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:25:33,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:25:33,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:25:33,773 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:25:33,773 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:25:33,773 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:25:33,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:25:33,775 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:25:33,775 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_94b8d40a-30eb-4ed0-b6e5-734406d22a33/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b8d40a-30eb-4ed0-b6e5-734406d22a33/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd259ad1e1e9b7f6e2ebd2858541cc7ac07d30ed5cbee2b9de70c1db1c5b700e [2021-11-13 23:25:34,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:25:34,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:25:34,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:25:34,122 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:25:34,123 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:25:34,124 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b8d40a-30eb-4ed0-b6e5-734406d22a33/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-3.i [2021-11-13 23:25:34,196 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b8d40a-30eb-4ed0-b6e5-734406d22a33/bin/ukojak-2xVlg8857e/data/3a1281461/e7503c8aa0b34b42b3f9f2a9ef7dc22d/FLAG95fd5797d [2021-11-13 23:25:34,949 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:25:34,950 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b8d40a-30eb-4ed0-b6e5-734406d22a33/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-3.i [2021-11-13 23:25:34,973 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b8d40a-30eb-4ed0-b6e5-734406d22a33/bin/ukojak-2xVlg8857e/data/3a1281461/e7503c8aa0b34b42b3f9f2a9ef7dc22d/FLAG95fd5797d [2021-11-13 23:25:35,138 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b8d40a-30eb-4ed0-b6e5-734406d22a33/bin/ukojak-2xVlg8857e/data/3a1281461/e7503c8aa0b34b42b3f9f2a9ef7dc22d [2021-11-13 23:25:35,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:25:35,142 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:25:35,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:25:35,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:25:35,155 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:25:35,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:25:35" (1/1) ... [2021-11-13 23:25:35,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a62ad1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:35, skipping insertion in model container [2021-11-13 23:25:35,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:25:35" (1/1) ... [2021-11-13 23:25:35,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:25:35,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:25:35,750 WARN L228 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_94b8d40a-30eb-4ed0-b6e5-734406d22a33/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-3.i[33021,33034] [2021-11-13 23:25:35,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:25:36,001 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:25:36,057 WARN L228 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_94b8d40a-30eb-4ed0-b6e5-734406d22a33/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test4-3.i[33021,33034] [2021-11-13 23:25:36,127 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:25:36,167 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:25:36,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:36 WrapperNode [2021-11-13 23:25:36,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:25:36,169 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:25:36,169 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:25:36,169 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:25:36,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:36" (1/1) ... [2021-11-13 23:25:36,214 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:36" (1/1) ... [2021-11-13 23:25:36,328 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:25:36,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:25:36,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:25:36,330 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:25:36,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:36" (1/1) ... [2021-11-13 23:25:36,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:36" (1/1) ... [2021-11-13 23:25:36,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:36" (1/1) ... [2021-11-13 23:25:36,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:36" (1/1) ... [2021-11-13 23:25:36,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:36" (1/1) ... [2021-11-13 23:25:36,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:36" (1/1) ... [2021-11-13 23:25:36,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:36" (1/1) ... [2021-11-13 23:25:36,532 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:25:36,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:25:36,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:25:36,540 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:25:36,542 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:25:36" (1/1) ... [2021-11-13 23:25:36,550 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:25:36,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b8d40a-30eb-4ed0-b6e5-734406d22a33/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:25:36,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b8d40a-30eb-4ed0-b6e5-734406d22a33/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:25:36,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b8d40a-30eb-4ed0-b6e5-734406d22a33/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:25:36,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 23:25:36,646 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-13 23:25:36,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-13 23:25:36,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 23:25:36,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 23:25:36,648 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 23:25:36,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 23:25:36,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 23:25:36,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:25:36,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 23:25:36,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 23:25:36,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:25:36,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:25:36,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:25:39,073 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:25:39,073 INFO L299 CfgBuilder]: Removed 77 assume(true) statements. [2021-11-13 23:25:39,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:25:39 BoogieIcfgContainer [2021-11-13 23:25:39,077 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:25:39,078 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:25:39,078 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:25:39,089 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:25:39,089 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:25:39" (1/1) ... [2021-11-13 23:25:39,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:25:39,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:39,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 161 states and 278 transitions. [2021-11-13 23:25:39,180 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 278 transitions. [2021-11-13 23:25:39,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-13 23:25:39,182 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:39,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:39,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:25:39,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:39,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:25:39,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:39,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 163 states and 281 transitions. [2021-11-13 23:25:39,500 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 281 transitions. [2021-11-13 23:25:39,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:25:39,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:39,502 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:39,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:25:39,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:39,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:25:39,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:39,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 162 states and 280 transitions. [2021-11-13 23:25:39,622 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 280 transitions. [2021-11-13 23:25:39,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-13 23:25:39,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:39,624 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:39,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:39,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:25:39,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:39,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:25:39,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:39,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 162 states and 276 transitions. [2021-11-13 23:25:39,812 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 276 transitions. [2021-11-13 23:25:39,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-13 23:25:39,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:39,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:39,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:25:39,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:39,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:25:39,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:39,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 162 states and 268 transitions. [2021-11-13 23:25:39,957 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 268 transitions. [2021-11-13 23:25:39,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-13 23:25:39,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:39,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:40,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:40,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:25:40,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:40,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:25:40,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:40,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 162 states and 256 transitions. [2021-11-13 23:25:40,135 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 256 transitions. [2021-11-13 23:25:40,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-13 23:25:40,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:40,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:40,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:40,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:25:40,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:40,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:25:40,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:40,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 162 states and 244 transitions. [2021-11-13 23:25:40,459 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 244 transitions. [2021-11-13 23:25:40,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 23:25:40,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:40,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:40,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:40,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:25:40,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:40,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:25:41,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:41,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 207 states and 300 transitions. [2021-11-13 23:25:41,244 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 300 transitions. [2021-11-13 23:25:41,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 23:25:41,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:41,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:41,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:41,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:25:41,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:41,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:25:41,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:41,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 207 states and 298 transitions. [2021-11-13 23:25:41,503 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 298 transitions. [2021-11-13 23:25:41,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-13 23:25:41,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:41,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:41,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:25:41,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:41,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:25:41,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:41,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 207 states and 296 transitions. [2021-11-13 23:25:41,745 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 296 transitions. [2021-11-13 23:25:41,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-13 23:25:41,747 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:41,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:41,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:25:41,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:42,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:25:42,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:42,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 253 states and 354 transitions. [2021-11-13 23:25:42,593 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 354 transitions. [2021-11-13 23:25:42,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 23:25:42,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:42,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:42,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:25:42,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:42,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:25:42,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:42,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 253 states and 352 transitions. [2021-11-13 23:25:42,841 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 352 transitions. [2021-11-13 23:25:42,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-13 23:25:42,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:42,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:42,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:42,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:25:42,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:43,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:25:43,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:43,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 253 states and 350 transitions. [2021-11-13 23:25:43,048 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 350 transitions. [2021-11-13 23:25:43,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 23:25:43,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:43,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:43,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:25:43,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:43,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:25:43,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:43,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 253 states and 348 transitions. [2021-11-13 23:25:43,257 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 348 transitions. [2021-11-13 23:25:43,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 23:25:43,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:43,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:43,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:25:43,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:43,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:25:43,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:43,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 253 states and 346 transitions. [2021-11-13 23:25:43,453 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 346 transitions. [2021-11-13 23:25:43,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-13 23:25:43,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:43,455 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:43,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:43,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:25:43,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:43,866 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:25:44,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:44,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 287 states and 388 transitions. [2021-11-13 23:25:44,154 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 388 transitions. [2021-11-13 23:25:44,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 23:25:44,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:44,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:44,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:44,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:25:44,266 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:44,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:25:44,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:44,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 290 states and 390 transitions. [2021-11-13 23:25:44,419 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 390 transitions. [2021-11-13 23:25:44,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 23:25:44,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:44,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:44,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:44,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:25:44,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:44,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:25:44,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:44,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 290 states and 388 transitions. [2021-11-13 23:25:44,712 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 388 transitions. [2021-11-13 23:25:44,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 23:25:44,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:44,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:44,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:25:44,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:44,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:25:44,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:45,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 293 states and 390 transitions. [2021-11-13 23:25:45,001 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 390 transitions. [2021-11-13 23:25:45,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 23:25:45,002 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:45,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:45,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:45,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:25:45,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:45,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:25:45,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:45,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 296 states and 392 transitions. [2021-11-13 23:25:45,314 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 392 transitions. [2021-11-13 23:25:45,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 23:25:45,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:45,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:45,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:45,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:25:45,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:45,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:25:45,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:45,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 299 states and 394 transitions. [2021-11-13 23:25:45,665 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 394 transitions. [2021-11-13 23:25:45,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 23:25:45,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:45,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:45,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:45,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:25:45,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:46,062 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:25:46,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:46,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 302 states and 396 transitions. [2021-11-13 23:25:46,102 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 396 transitions. [2021-11-13 23:25:46,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 23:25:46,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:46,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:46,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:25:46,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:46,472 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-13 23:25:46,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:46,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 305 states and 398 transitions. [2021-11-13 23:25:46,496 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 398 transitions. [2021-11-13 23:25:46,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-13 23:25:46,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:46,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:46,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:46,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:25:46,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:46,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:25:46,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:46,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 305 states and 397 transitions. [2021-11-13 23:25:46,775 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 397 transitions. [2021-11-13 23:25:46,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-13 23:25:46,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:46,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:46,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:46,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:25:46,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:47,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:25:47,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:47,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 314 states and 408 transitions. [2021-11-13 23:25:47,433 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 408 transitions. [2021-11-13 23:25:47,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-13 23:25:47,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:47,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:47,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:25:47,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:47,704 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:25:47,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:47,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 323 states and 418 transitions. [2021-11-13 23:25:47,748 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 418 transitions. [2021-11-13 23:25:47,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-13 23:25:47,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:47,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:47,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:25:47,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:48,058 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:25:48,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:48,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 332 states and 428 transitions. [2021-11-13 23:25:48,097 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 428 transitions. [2021-11-13 23:25:48,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-13 23:25:48,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:48,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:48,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:25:48,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:48,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:25:49,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:49,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 341 states and 439 transitions. [2021-11-13 23:25:49,103 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 439 transitions. [2021-11-13 23:25:49,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-13 23:25:49,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:49,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:49,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:25:49,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:49,371 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:25:49,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:49,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 350 states and 449 transitions. [2021-11-13 23:25:49,478 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 449 transitions. [2021-11-13 23:25:49,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-13 23:25:49,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:49,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:49,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:49,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:25:49,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:49,753 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:25:49,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:49,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 359 states and 459 transitions. [2021-11-13 23:25:49,826 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 459 transitions. [2021-11-13 23:25:49,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-13 23:25:49,828 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:49,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:49,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:49,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:25:49,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:50,229 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 23:25:50,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:50,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 368 states and 470 transitions. [2021-11-13 23:25:50,473 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 470 transitions. [2021-11-13 23:25:50,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-13 23:25:50,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:50,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:50,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:50,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:25:50,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:50,731 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-13 23:25:51,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:51,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 369 states and 472 transitions. [2021-11-13 23:25:51,182 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 472 transitions. [2021-11-13 23:25:51,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-13 23:25:51,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:51,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:51,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:51,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:25:51,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:51,495 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:25:51,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:51,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 382 states and 487 transitions. [2021-11-13 23:25:51,647 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 487 transitions. [2021-11-13 23:25:51,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-13 23:25:51,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:51,649 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:51,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:25:51,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:52,051 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 23:25:52,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:52,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 391 states and 497 transitions. [2021-11-13 23:25:52,092 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 497 transitions. [2021-11-13 23:25:52,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-13 23:25:52,093 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:52,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:52,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:25:52,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:52,387 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:25:52,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:52,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 394 states and 499 transitions. [2021-11-13 23:25:52,405 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 499 transitions. [2021-11-13 23:25:52,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-13 23:25:52,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:52,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:52,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:52,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-13 23:25:52,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:53,021 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-13 23:25:53,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:53,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 394 states and 499 transitions. [2021-11-13 23:25:53,088 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 499 transitions. [2021-11-13 23:25:53,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-13 23:25:53,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:53,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:53,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:53,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 23:25:53,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:53,596 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-13 23:25:53,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:53,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 396 states and 507 transitions. [2021-11-13 23:25:53,699 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 507 transitions. [2021-11-13 23:25:53,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-13 23:25:53,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:53,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:53,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:25:53,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:54,103 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-13 23:25:54,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:54,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 397 states and 509 transitions. [2021-11-13 23:25:54,698 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 509 transitions. [2021-11-13 23:25:54,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-13 23:25:54,700 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:54,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:55,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-13 23:25:55,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:55,438 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-13 23:25:55,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:55,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 399 states and 512 transitions. [2021-11-13 23:25:55,770 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 512 transitions. [2021-11-13 23:25:55,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-13 23:25:55,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:55,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:55,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:55,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 23:25:55,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:56,316 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-11-13 23:25:57,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:57,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 400 states and 514 transitions. [2021-11-13 23:25:57,362 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 514 transitions. [2021-11-13 23:25:57,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-11-13 23:25:57,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:57,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:57,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 23:25:57,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:57,682 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-13 23:25:57,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:25:57,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 400 states and 512 transitions. [2021-11-13 23:25:57,694 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 512 transitions. [2021-11-13 23:25:57,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-13 23:25:57,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:25:57,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:25:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 23:25:57,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 23:25:57,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 23:25:58,091 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2021-11-13 23:26:00,383 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-13 23:26:00,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:26:00,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 403 states and 514 transitions. [2021-11-13 23:26:00,448 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 514 transitions. [2021-11-13 23:26:00,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-13 23:26:00,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:26:00,451 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:26:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-13 23:26:10,652 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) [2021-11-13 23:26:10,656 INFO L158 Benchmark]: Toolchain (without parser) took 35513.33ms. Allocated memory was 111.1MB in the beginning and 339.7MB in the end (delta: 228.6MB). Free memory was 78.8MB in the beginning and 271.3MB in the end (delta: -192.4MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2021-11-13 23:26:10,656 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 111.1MB. Free memory was 66.6MB in the beginning and 66.5MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:26:10,657 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1023.90ms. Allocated memory was 111.1MB in the beginning and 153.1MB in the end (delta: 41.9MB). Free memory was 78.5MB in the beginning and 100.0MB in the end (delta: -21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-13 23:26:10,658 INFO L158 Benchmark]: Boogie Procedure Inliner took 159.74ms. Allocated memory is still 153.1MB. Free memory was 100.0MB in the beginning and 90.7MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 23:26:10,658 INFO L158 Benchmark]: Boogie Preprocessor took 206.68ms. Allocated memory is still 153.1MB. Free memory was 90.7MB in the beginning and 80.8MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 23:26:10,659 INFO L158 Benchmark]: RCFGBuilder took 2537.14ms. Allocated memory is still 153.1MB. Free memory was 80.8MB in the beginning and 74.5MB in the end (delta: 6.3MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2021-11-13 23:26:10,660 INFO L158 Benchmark]: CodeCheck took 31576.96ms. Allocated memory was 153.1MB in the beginning and 339.7MB in the end (delta: 186.6MB). Free memory was 74.5MB in the beginning and 271.3MB in the end (delta: -196.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:26:10,663 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 0.31ms. Allocated memory is still 111.1MB. Free memory was 66.6MB in the beginning and 66.5MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1023.90ms. Allocated memory was 111.1MB in the beginning and 153.1MB in the end (delta: 41.9MB). Free memory was 78.5MB in the beginning and 100.0MB in the end (delta: -21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 159.74ms. Allocated memory is still 153.1MB. Free memory was 100.0MB in the beginning and 90.7MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 206.68ms. Allocated memory is still 153.1MB. Free memory was 90.7MB in the beginning and 80.8MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2537.14ms. Allocated memory is still 153.1MB. Free memory was 80.8MB in the beginning and 74.5MB in the end (delta: 6.3MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. * CodeCheck took 31576.96ms. Allocated memory was 153.1MB in the beginning and 339.7MB in the end (delta: 186.6MB). Free memory was 74.5MB in the beginning and 271.3MB in the end (delta: -196.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 23:26:10,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94b8d40a-30eb-4ed0-b6e5-734406d22a33/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 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_94b8d40a-30eb-4ed0-b6e5-734406d22a33/bin/ukojak-2xVlg8857e/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