./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.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_6c139ca9-fd53-40b0-8aab-86ba585d8ad0/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c139ca9-fd53-40b0-8aab-86ba585d8ad0/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_6c139ca9-fd53-40b0-8aab-86ba585d8ad0/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c139ca9-fd53-40b0-8aab-86ba585d8ad0/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c139ca9-fd53-40b0-8aab-86ba585d8ad0/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_6c139ca9-fd53-40b0-8aab-86ba585d8ad0/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 0672e9446c2cfbd152a4f960adca314d72e71aa68b29fd9a83ebc5c34f7546dd --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 06:32:30,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 06:32:30,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 06:32:30,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 06:32:30,950 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 06:32:30,955 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 06:32:30,957 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 06:32:30,963 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 06:32:30,966 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 06:32:30,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 06:32:30,975 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 06:32:30,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 06:32:30,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 06:32:30,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 06:32:30,983 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 06:32:30,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 06:32:30,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 06:32:30,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 06:32:30,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 06:32:30,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 06:32:31,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 06:32:31,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 06:32:31,006 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 06:32:31,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 06:32:31,018 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 06:32:31,018 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 06:32:31,019 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 06:32:31,021 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 06:32:31,022 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 06:32:31,023 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 06:32:31,024 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 06:32:31,025 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 06:32:31,027 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 06:32:31,028 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 06:32:31,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 06:32:31,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 06:32:31,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 06:32:31,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 06:32:31,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 06:32:31,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 06:32:31,033 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 06:32:31,035 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c139ca9-fd53-40b0-8aab-86ba585d8ad0/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-25 06:32:31,085 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 06:32:31,086 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 06:32:31,086 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 06:32:31,087 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 06:32:31,087 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 06:32:31,088 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 06:32:31,088 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 06:32:31,088 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 06:32:31,088 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 06:32:31,089 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 06:32:31,089 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 06:32:31,089 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 06:32:31,089 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 06:32:31,089 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 06:32:31,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 06:32:31,090 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 06:32:31,090 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 06:32:31,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 06:32:31,090 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 06:32:31,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 06:32:31,091 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 06:32:31,091 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 06:32:31,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 06:32:31,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:32:31,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 06:32:31,094 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 06:32:31,094 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 06:32:31,094 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 06:32:31,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 06:32:31,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 06:32:31,095 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_6c139ca9-fd53-40b0-8aab-86ba585d8ad0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c139ca9-fd53-40b0-8aab-86ba585d8ad0/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0672e9446c2cfbd152a4f960adca314d72e71aa68b29fd9a83ebc5c34f7546dd [2021-11-25 06:32:31,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 06:32:31,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 06:32:31,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 06:32:31,370 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 06:32:31,371 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 06:32:31,372 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c139ca9-fd53-40b0-8aab-86ba585d8ad0/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i [2021-11-25 06:32:31,451 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c139ca9-fd53-40b0-8aab-86ba585d8ad0/bin/ukojak-d1pc8ZmBRL/data/d4190a22a/f535eb66576d4db98a195a8dbe629c77/FLAG05c6122d4 [2021-11-25 06:32:32,191 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 06:32:32,192 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c139ca9-fd53-40b0-8aab-86ba585d8ad0/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i [2021-11-25 06:32:32,226 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c139ca9-fd53-40b0-8aab-86ba585d8ad0/bin/ukojak-d1pc8ZmBRL/data/d4190a22a/f535eb66576d4db98a195a8dbe629c77/FLAG05c6122d4 [2021-11-25 06:32:32,307 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c139ca9-fd53-40b0-8aab-86ba585d8ad0/bin/ukojak-d1pc8ZmBRL/data/d4190a22a/f535eb66576d4db98a195a8dbe629c77 [2021-11-25 06:32:32,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 06:32:32,314 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 06:32:32,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 06:32:32,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 06:32:32,323 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 06:32:32,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:32:32" (1/1) ... [2021-11-25 06:32:32,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@298613ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:32, skipping insertion in model container [2021-11-25 06:32:32,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:32:32" (1/1) ... [2021-11-25 06:32:32,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 06:32:32,419 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 06:32:32,960 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_6c139ca9-fd53-40b0-8aab-86ba585d8ad0/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i[33021,33034] [2021-11-25 06:32:33,251 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_6c139ca9-fd53-40b0-8aab-86ba585d8ad0/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i[84583,84596] [2021-11-25 06:32:33,260 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:32:33,275 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 06:32:33,326 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_6c139ca9-fd53-40b0-8aab-86ba585d8ad0/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i[33021,33034] [2021-11-25 06:32:33,466 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_6c139ca9-fd53-40b0-8aab-86ba585d8ad0/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test9-2.i[84583,84596] [2021-11-25 06:32:33,475 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:32:33,511 INFO L208 MainTranslator]: Completed translation [2021-11-25 06:32:33,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:33 WrapperNode [2021-11-25 06:32:33,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 06:32:33,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 06:32:33,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 06:32:33,514 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 06:32:33,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:33" (1/1) ... [2021-11-25 06:32:33,573 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:33" (1/1) ... [2021-11-25 06:32:33,688 INFO L137 Inliner]: procedures = 177, calls = 781, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3027 [2021-11-25 06:32:33,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 06:32:33,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 06:32:33,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 06:32:33,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 06:32:33,698 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:33" (1/1) ... [2021-11-25 06:32:33,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:33" (1/1) ... [2021-11-25 06:32:33,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:33" (1/1) ... [2021-11-25 06:32:33,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:33" (1/1) ... [2021-11-25 06:32:33,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:33" (1/1) ... [2021-11-25 06:32:33,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:33" (1/1) ... [2021-11-25 06:32:33,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:33" (1/1) ... [2021-11-25 06:32:33,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 06:32:33,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 06:32:33,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 06:32:33,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 06:32:33,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:32:33" (1/1) ... [2021-11-25 06:32:33,932 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:32:33,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c139ca9-fd53-40b0-8aab-86ba585d8ad0/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 06:32:33,957 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c139ca9-fd53-40b0-8aab-86ba585d8ad0/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 06:32:33,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c139ca9-fd53-40b0-8aab-86ba585d8ad0/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 06:32:34,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 06:32:34,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 06:32:34,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 06:32:34,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 06:32:34,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 06:32:34,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 06:32:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 06:32:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 06:32:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 06:32:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 06:32:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 06:32:34,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 06:32:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 06:32:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 06:32:34,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 06:32:34,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 06:32:34,207 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 06:32:34,209 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 06:32:36,483 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 06:32:37,072 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 06:32:37,072 INFO L301 CfgBuilder]: Removed 63 assume(true) statements. [2021-11-25 06:32:37,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:32:37 BoogieIcfgContainer [2021-11-25 06:32:37,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 06:32:37,081 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 06:32:37,081 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 06:32:37,091 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 06:32:37,091 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:32:37" (1/1) ... [2021-11-25 06:32:37,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 06:32:37,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:37,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2203 states to 1123 states and 2203 transitions. [2021-11-25 06:32:37,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1123 states and 2203 transitions. [2021-11-25 06:32:37,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 06:32:37,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:37,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:37,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-25 06:32:37,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:32:37,579 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2021-11-25 06:32:37,589 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 06:32:37,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:32:37,644 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 06:32:37,654 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 06:32:37,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:37,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2208 states to 1126 states and 2208 transitions. [2021-11-25 06:32:37,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 2208 transitions. [2021-11-25 06:32:37,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-25 06:32:37,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:37,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:37,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-25 06:32:37,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:32:37,860 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 06:32:37,869 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 11 treesize of output 7 [2021-11-25 06:32:37,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:32:37,941 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 06:32:37,951 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 06:32:37,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:37,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2209 states to 1127 states and 2209 transitions. [2021-11-25 06:32:37,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 2209 transitions. [2021-11-25 06:32:37,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 06:32:37,984 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:37,984 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:38,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:38,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:32:38,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:32:38,119 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 06:32:38,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:38,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2207 states to 1127 states and 2207 transitions. [2021-11-25 06:32:38,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 2207 transitions. [2021-11-25 06:32:38,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 06:32:38,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:38,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:38,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:38,228 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 06:32:38,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:38,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2202 states to 1127 states and 2202 transitions. [2021-11-25 06:32:38,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 2202 transitions. [2021-11-25 06:32:38,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 06:32:38,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:38,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:38,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:38,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:32:38,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:32:38,444 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 06:32:38,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:38,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2198 states to 1127 states and 2198 transitions. [2021-11-25 06:32:38,467 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 2198 transitions. [2021-11-25 06:32:38,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-25 06:32:38,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:38,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:38,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:38,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:32:38,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:32:38,598 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 06:32:38,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:38,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2192 states to 1127 states and 2192 transitions. [2021-11-25 06:32:38,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 2192 transitions. [2021-11-25 06:32:38,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 06:32:38,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:38,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:38,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:38,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:32:38,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:32:38,773 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 06:32:38,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:38,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2184 states to 1127 states and 2184 transitions. [2021-11-25 06:32:38,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 2184 transitions. [2021-11-25 06:32:38,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 06:32:38,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:38,851 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:39,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 1572 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:32:39,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:32:39,595 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 06:32:39,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:39,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2201 states to 1141 states and 2201 transitions. [2021-11-25 06:32:39,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 2201 transitions. [2021-11-25 06:32:39,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 06:32:39,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:39,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:40,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:40,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:32:40,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:32:40,152 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 06:32:40,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:40,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2199 states to 1141 states and 2199 transitions. [2021-11-25 06:32:40,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 2199 transitions. [2021-11-25 06:32:40,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 06:32:40,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:40,177 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:40,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 1586 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:32:40,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:32:40,893 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 06:32:40,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:40,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2197 states to 1141 states and 2197 transitions. [2021-11-25 06:32:40,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 2197 transitions. [2021-11-25 06:32:40,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 06:32:40,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:40,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:41,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:41,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 1587 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:32:41,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:32:41,530 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 06:32:41,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:41,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2199 states to 1144 states and 2199 transitions. [2021-11-25 06:32:41,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 2199 transitions. [2021-11-25 06:32:41,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-25 06:32:41,609 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:41,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:42,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 709 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:32:42,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:32:42,167 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 06:32:42,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:42,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2203 states to 1146 states and 2203 transitions. [2021-11-25 06:32:42,272 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 2203 transitions. [2021-11-25 06:32:42,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 06:32:42,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:42,273 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:43,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 06:32:43,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:32:43,386 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 06:32:43,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:43,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2207 states to 1148 states and 2207 transitions. [2021-11-25 06:32:43,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 2207 transitions. [2021-11-25 06:32:43,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 06:32:43,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:43,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:44,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:44,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-25 06:32:44,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:32:44,654 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 06:32:44,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:44,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2207 states to 1148 states and 2207 transitions. [2021-11-25 06:32:44,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 2207 transitions. [2021-11-25 06:32:44,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 06:32:44,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:44,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:45,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 06:32:45,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:32:45,524 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 06:32:46,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:46,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2210 states to 1150 states and 2210 transitions. [2021-11-25 06:32:46,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 2210 transitions. [2021-11-25 06:32:46,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-25 06:32:46,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:46,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:46,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:46,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-25 06:32:46,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:32:47,303 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 06:32:47,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:47,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2210 states to 1150 states and 2210 transitions. [2021-11-25 06:32:47,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 2210 transitions. [2021-11-25 06:32:47,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-25 06:32:47,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:47,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:48,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:48,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-25 06:32:48,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:32:49,145 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 06:32:49,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:49,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 1152 states and 2213 transitions. [2021-11-25 06:32:49,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 2213 transitions. [2021-11-25 06:32:49,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-25 06:32:49,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:49,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:49,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-25 06:32:49,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:32:50,387 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 27 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-25 06:32:51,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:51,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2215 states to 1151 states and 2215 transitions. [2021-11-25 06:32:51,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 2215 transitions. [2021-11-25 06:32:51,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-25 06:32:51,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:51,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:52,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:52,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-25 06:32:52,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:32:52,882 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 38 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-25 06:32:53,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:53,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2218 states to 1153 states and 2218 transitions. [2021-11-25 06:32:53,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 2218 transitions. [2021-11-25 06:32:53,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-25 06:32:53,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:53,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:32:54,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:32:54,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 889 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-25 06:32:54,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:32:55,371 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 51 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-25 06:32:56,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:32:56,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2227 states to 1155 states and 2227 transitions. [2021-11-25 06:32:56,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1155 states and 2227 transitions. [2021-11-25 06:32:56,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-25 06:32:56,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:32:56,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:01,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 919 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 06:33:01,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:33:02,102 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 66 proven. 28 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-25 06:33:03,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:03,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2230 states to 1157 states and 2230 transitions. [2021-11-25 06:33:03,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 2230 transitions. [2021-11-25 06:33:03,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-25 06:33:03,189 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:03,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:04,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:04,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 949 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-25 06:33:04,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:33:04,659 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 83 proven. 36 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-25 06:33:06,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:06,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 1159 states and 2242 transitions. [2021-11-25 06:33:06,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 2242 transitions. [2021-11-25 06:33:06,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-25 06:33:06,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:06,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:08,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-25 06:33:08,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:33:09,505 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 11 proven. 171 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-25 06:33:10,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:10,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2242 states to 1159 states and 2242 transitions. [2021-11-25 06:33:10,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1159 states and 2242 transitions. [2021-11-25 06:33:10,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-25 06:33:10,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:10,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:11,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-25 06:33:11,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:33:12,090 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 102 proven. 45 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-25 06:33:13,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:13,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2245 states to 1161 states and 2245 transitions. [2021-11-25 06:33:13,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 2245 transitions. [2021-11-25 06:33:13,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-25 06:33:13,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:13,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:15,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 1009 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-25 06:33:15,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:33:15,736 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 123 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-25 06:33:17,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:17,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2258 states to 1163 states and 2258 transitions. [2021-11-25 06:33:17,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 2258 transitions. [2021-11-25 06:33:17,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-25 06:33:17,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:17,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:18,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 1039 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-25 06:33:18,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:33:19,587 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 13 proven. 253 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-25 06:33:20,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:20,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2258 states to 1163 states and 2258 transitions. [2021-11-25 06:33:20,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 2258 transitions. [2021-11-25 06:33:20,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-25 06:33:20,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:20,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:22,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 1039 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-25 06:33:22,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:33:22,612 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 13 proven. 253 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-25 06:33:22,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:22,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2258 states to 1163 states and 2258 transitions. [2021-11-25 06:33:22,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 2258 transitions. [2021-11-25 06:33:22,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-25 06:33:22,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:22,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:24,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 1039 conjuncts, 27 conjunts are in the unsatisfiable core [2021-11-25 06:33:24,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:33:25,048 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 146 proven. 66 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-25 06:33:26,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:26,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 1165 states and 2272 transitions. [2021-11-25 06:33:26,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1165 states and 2272 transitions. [2021-11-25 06:33:26,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-25 06:33:26,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:26,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:27,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 1069 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-25 06:33:27,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:33:28,805 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 171 proven. 78 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-25 06:33:31,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:31,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2275 states to 1167 states and 2275 transitions. [2021-11-25 06:33:31,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 2275 transitions. [2021-11-25 06:33:31,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-25 06:33:31,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:31,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:36,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 1099 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 06:33:36,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:33:38,107 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 198 proven. 91 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-25 06:33:41,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:41,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2278 states to 1169 states and 2278 transitions. [2021-11-25 06:33:41,004 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 2278 transitions. [2021-11-25 06:33:41,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-25 06:33:41,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:41,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:42,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 1129 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:33:42,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:33:44,842 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 226 proven. 105 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-11-25 06:33:47,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:47,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2278 states to 1169 states and 2278 transitions. [2021-11-25 06:33:47,324 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 2278 transitions. [2021-11-25 06:33:47,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-25 06:33:47,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:47,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:49,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:49,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 1129 conjuncts, 59 conjunts are in the unsatisfiable core [2021-11-25 06:33:49,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:33:51,536 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 61 proven. 358 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-11-25 06:33:53,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:33:53,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2278 states to 1169 states and 2278 transitions. [2021-11-25 06:33:53,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 2278 transitions. [2021-11-25 06:33:53,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-25 06:33:53,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:33:53,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:33:56,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:33:56,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 1129 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-25 06:33:56,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:33:57,962 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 227 proven. 105 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-25 06:34:00,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:00,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2281 states to 1171 states and 2281 transitions. [2021-11-25 06:34:00,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2281 transitions. [2021-11-25 06:34:00,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-25 06:34:00,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:00,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:02,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 1159 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 06:34:02,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:34:04,508 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 257 proven. 120 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2021-11-25 06:34:06,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:06,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2281 states to 1171 states and 2281 transitions. [2021-11-25 06:34:06,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2281 transitions. [2021-11-25 06:34:06,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-25 06:34:06,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:06,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:34:09,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 1159 conjuncts, 60 conjunts are in the unsatisfiable core [2021-11-25 06:34:09,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:34:12,423 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 81 proven. 395 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-25 06:34:15,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:34:15,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2281 states to 1171 states and 2281 transitions. [2021-11-25 06:34:15,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1171 states and 2281 transitions. [2021-11-25 06:34:15,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-25 06:34:15,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:34:15,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:34:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-25 06:34:25,366 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 06:34:25,376 INFO L158 Benchmark]: Toolchain (without parser) took 113057.71ms. Allocated memory was 92.3MB in the beginning and 528.5MB in the end (delta: 436.2MB). Free memory was 54.1MB in the beginning and 198.2MB in the end (delta: -144.2MB). Peak memory consumption was 293.7MB. Max. memory is 16.1GB. [2021-11-25 06:34:25,376 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 92.3MB. Free memory is still 45.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:34:25,383 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1192.63ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 53.9MB in the beginning and 73.4MB in the end (delta: -19.5MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2021-11-25 06:34:25,384 INFO L158 Benchmark]: Boogie Procedure Inliner took 175.63ms. Allocated memory is still 111.1MB. Free memory was 73.4MB in the beginning and 58.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-25 06:34:25,384 INFO L158 Benchmark]: Boogie Preprocessor took 231.59ms. Allocated memory is still 111.1MB. Free memory was 58.7MB in the beginning and 67.8MB in the end (delta: -9.1MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2021-11-25 06:34:25,385 INFO L158 Benchmark]: RCFGBuilder took 3157.99ms. Allocated memory was 111.1MB in the beginning and 234.9MB in the end (delta: 123.7MB). Free memory was 67.8MB in the beginning and 172.1MB in the end (delta: -104.3MB). Peak memory consumption was 85.4MB. Max. memory is 16.1GB. [2021-11-25 06:34:25,386 INFO L158 Benchmark]: CodeCheck took 108290.48ms. Allocated memory was 234.9MB in the beginning and 528.5MB in the end (delta: 293.6MB). Free memory was 172.1MB in the beginning and 198.2MB in the end (delta: -26.1MB). Peak memory consumption was 268.4MB. Max. memory is 16.1GB. [2021-11-25 06:34:25,390 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 0.29ms. Allocated memory is still 92.3MB. Free memory is still 45.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1192.63ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 53.9MB in the beginning and 73.4MB in the end (delta: -19.5MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 175.63ms. Allocated memory is still 111.1MB. Free memory was 73.4MB in the beginning and 58.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 231.59ms. Allocated memory is still 111.1MB. Free memory was 58.7MB in the beginning and 67.8MB in the end (delta: -9.1MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * RCFGBuilder took 3157.99ms. Allocated memory was 111.1MB in the beginning and 234.9MB in the end (delta: 123.7MB). Free memory was 67.8MB in the beginning and 172.1MB in the end (delta: -104.3MB). Peak memory consumption was 85.4MB. Max. memory is 16.1GB. * CodeCheck took 108290.48ms. Allocated memory was 234.9MB in the beginning and 528.5MB in the end (delta: 293.6MB). Free memory was 172.1MB in the beginning and 198.2MB in the end (delta: -26.1MB). Peak memory consumption was 268.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-25 06:34:25,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c139ca9-fd53-40b0-8aab-86ba585d8ad0/bin/ukojak-d1pc8ZmBRL/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_6c139ca9-fd53-40b0-8aab-86ba585d8ad0/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