./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ca41fd-1ec3-4ed0-9129-da2ca41de8de/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ca41fd-1ec3-4ed0-9129-da2ca41de8de/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ca41fd-1ec3-4ed0-9129-da2ca41de8de/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ca41fd-1ec3-4ed0-9129-da2ca41de8de/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ca41fd-1ec3-4ed0-9129-da2ca41de8de/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ca41fd-1ec3-4ed0-9129-da2ca41de8de/bin/ukojak-vF6T2TMglN --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 69d24e9affd7540aafb8052ecd737d7732ca2a63c7e8e16adc4217413d1d99a5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 06:24:45,970 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 06:24:45,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 06:24:46,021 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 06:24:46,022 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 06:24:46,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 06:24:46,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 06:24:46,034 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 06:24:46,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 06:24:46,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 06:24:46,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 06:24:46,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 06:24:46,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 06:24:46,052 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 06:24:46,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 06:24:46,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 06:24:46,064 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 06:24:46,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 06:24:46,068 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 06:24:46,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 06:24:46,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 06:24:46,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 06:24:46,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 06:24:46,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 06:24:46,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 06:24:46,090 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 06:24:46,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 06:24:46,093 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 06:24:46,093 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 06:24:46,095 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 06:24:46,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 06:24:46,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 06:24:46,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 06:24:46,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 06:24:46,102 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 06:24:46,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 06:24:46,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 06:24:46,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 06:24:46,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 06:24:46,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 06:24:46,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 06:24:46,106 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ca41fd-1ec3-4ed0-9129-da2ca41de8de/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-21 06:24:46,136 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 06:24:46,145 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 06:24:46,146 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 06:24:46,147 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 06:24:46,148 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 06:24:46,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 06:24:46,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 06:24:46,149 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 06:24:46,152 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 06:24:46,152 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 06:24:46,152 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 06:24:46,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 06:24:46,153 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 06:24:46,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 06:24:46,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 06:24:46,154 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 06:24:46,155 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 06:24:46,155 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 06:24:46,155 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 06:24:46,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 06:24:46,155 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 06:24:46,156 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 06:24:46,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 06:24:46,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:24:46,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 06:24:46,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 06:24:46,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 06:24:46,157 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 06:24:46,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 06:24:46,159 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 06:24:46,159 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_f8ca41fd-1ec3-4ed0-9129-da2ca41de8de/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ca41fd-1ec3-4ed0-9129-da2ca41de8de/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69d24e9affd7540aafb8052ecd737d7732ca2a63c7e8e16adc4217413d1d99a5 [2021-11-21 06:24:46,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 06:24:46,454 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 06:24:46,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 06:24:46,458 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 06:24:46,459 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 06:24:46,460 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ca41fd-1ec3-4ed0-9129-da2ca41de8de/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i [2021-11-21 06:24:46,540 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ca41fd-1ec3-4ed0-9129-da2ca41de8de/bin/ukojak-vF6T2TMglN/data/9f2e3d6fa/0c209b3dbaee4b6d8e2670062102297d/FLAG571a13035 [2021-11-21 06:24:47,143 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 06:24:47,144 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ca41fd-1ec3-4ed0-9129-da2ca41de8de/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i [2021-11-21 06:24:47,171 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ca41fd-1ec3-4ed0-9129-da2ca41de8de/bin/ukojak-vF6T2TMglN/data/9f2e3d6fa/0c209b3dbaee4b6d8e2670062102297d/FLAG571a13035 [2021-11-21 06:24:47,361 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ca41fd-1ec3-4ed0-9129-da2ca41de8de/bin/ukojak-vF6T2TMglN/data/9f2e3d6fa/0c209b3dbaee4b6d8e2670062102297d [2021-11-21 06:24:47,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 06:24:47,365 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 06:24:47,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 06:24:47,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 06:24:47,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 06:24:47,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:24:47" (1/1) ... [2021-11-21 06:24:47,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e37fd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:24:47, skipping insertion in model container [2021-11-21 06:24:47,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:24:47" (1/1) ... [2021-11-21 06:24:47,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 06:24:47,446 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 06:24:47,899 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_f8ca41fd-1ec3-4ed0-9129-da2ca41de8de/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i[37019,37032] [2021-11-21 06:24:48,021 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_f8ca41fd-1ec3-4ed0-9129-da2ca41de8de/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i[47352,47365] [2021-11-21 06:24:48,035 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:24:48,045 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 06:24:48,113 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_f8ca41fd-1ec3-4ed0-9129-da2ca41de8de/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i[37019,37032] [2021-11-21 06:24:48,207 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_f8ca41fd-1ec3-4ed0-9129-da2ca41de8de/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test2-1.i[47352,47365] [2021-11-21 06:24:48,217 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:24:48,278 INFO L208 MainTranslator]: Completed translation [2021-11-21 06:24:48,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:24:48 WrapperNode [2021-11-21 06:24:48,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 06:24:48,280 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 06:24:48,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 06:24:48,281 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 06:24:48,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:24:48" (1/1) ... [2021-11-21 06:24:48,333 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:24:48" (1/1) ... [2021-11-21 06:24:48,411 INFO L137 Inliner]: procedures = 208, calls = 235, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 892 [2021-11-21 06:24:48,412 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 06:24:48,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 06:24:48,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 06:24:48,413 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 06:24:48,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:24:48" (1/1) ... [2021-11-21 06:24:48,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:24:48" (1/1) ... [2021-11-21 06:24:48,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:24:48" (1/1) ... [2021-11-21 06:24:48,441 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:24:48" (1/1) ... [2021-11-21 06:24:48,513 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:24:48" (1/1) ... [2021-11-21 06:24:48,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:24:48" (1/1) ... [2021-11-21 06:24:48,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:24:48" (1/1) ... [2021-11-21 06:24:48,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 06:24:48,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 06:24:48,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 06:24:48,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 06:24:48,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:24:48" (1/1) ... [2021-11-21 06:24:48,586 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:24:48,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ca41fd-1ec3-4ed0-9129-da2ca41de8de/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 06:24:48,611 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ca41fd-1ec3-4ed0-9129-da2ca41de8de/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 06:24:48,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ca41fd-1ec3-4ed0-9129-da2ca41de8de/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 06:24:48,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 06:24:48,656 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 06:24:48,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 06:24:48,656 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 06:24:48,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 06:24:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 06:24:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 06:24:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-21 06:24:48,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-21 06:24:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 06:24:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 06:24:48,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 06:24:48,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 06:24:48,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 06:24:48,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 06:24:48,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 06:24:48,822 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 06:24:48,824 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 06:24:49,736 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 06:24:50,037 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 06:24:50,037 INFO L301 CfgBuilder]: Removed 54 assume(true) statements. [2021-11-21 06:24:50,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:24:50 BoogieIcfgContainer [2021-11-21 06:24:50,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 06:24:50,042 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 06:24:50,043 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 06:24:50,053 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 06:24:50,053 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:24:50" (1/1) ... [2021-11-21 06:24:50,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 06:24:50,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:50,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 119 states and 198 transitions. [2021-11-21 06:24:50,142 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 198 transitions. [2021-11-21 06:24:50,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 06:24:50,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:50,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:50,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:50,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 06:24:50,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:50,371 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 [2021-11-21 06:24:50,449 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 20 treesize of output 12 [2021-11-21 06:24:50,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:24:50,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:50,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 122 states and 203 transitions. [2021-11-21 06:24:50,549 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 203 transitions. [2021-11-21 06:24:50,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 06:24:50,550 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:50,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:50,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:50,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 06:24:50,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:50,639 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 [2021-11-21 06:24:50,699 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 20 treesize of output 12 [2021-11-21 06:24:50,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:24:50,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:50,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 123 states and 204 transitions. [2021-11-21 06:24:50,732 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 204 transitions. [2021-11-21 06:24:50,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 06:24:50,734 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:50,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:50,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:24:50,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:50,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:24:50,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:50,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 123 states and 202 transitions. [2021-11-21 06:24:50,855 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 202 transitions. [2021-11-21 06:24:50,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-21 06:24:50,856 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:50,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:50,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:24:51,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:51,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 123 states and 197 transitions. [2021-11-21 06:24:51,053 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 197 transitions. [2021-11-21 06:24:51,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 06:24:51,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:51,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:51,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:51,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:24:51,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:51,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:24:51,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:51,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 123 states and 193 transitions. [2021-11-21 06:24:51,152 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 193 transitions. [2021-11-21 06:24:51,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 06:24:51,158 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:51,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:51,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:24:51,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:51,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:24:51,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:51,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 123 states and 187 transitions. [2021-11-21 06:24:51,291 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 187 transitions. [2021-11-21 06:24:51,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 06:24:51,292 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:51,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:51,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:51,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:24:51,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:51,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:24:51,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:51,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 123 states and 179 transitions. [2021-11-21 06:24:51,516 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 179 transitions. [2021-11-21 06:24:51,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 06:24:51,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:51,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:51,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 06:24:51,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:51,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:24:52,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:52,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 137 states and 196 transitions. [2021-11-21 06:24:52,106 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 196 transitions. [2021-11-21 06:24:52,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 06:24:52,108 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:52,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:52,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:24:52,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:52,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:24:52,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:52,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 137 states and 194 transitions. [2021-11-21 06:24:52,258 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 194 transitions. [2021-11-21 06:24:52,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 06:24:52,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:52,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:52,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:24:52,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:52,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:24:52,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:52,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 137 states and 192 transitions. [2021-11-21 06:24:52,455 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 192 transitions. [2021-11-21 06:24:52,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 06:24:52,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:52,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:52,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:52,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 06:24:52,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:52,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:24:52,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:52,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 140 states and 194 transitions. [2021-11-21 06:24:52,680 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 194 transitions. [2021-11-21 06:24:52,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 06:24:52,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:52,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:52,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 06:24:52,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:53,035 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:24:53,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:53,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 140 states and 194 transitions. [2021-11-21 06:24:53,101 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 194 transitions. [2021-11-21 06:24:53,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 06:24:53,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:53,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:53,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:53,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 06:24:53,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:53,407 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:24:53,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:53,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 140 states and 194 transitions. [2021-11-21 06:24:53,413 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 194 transitions. [2021-11-21 06:24:53,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 06:24:53,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:53,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:53,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 06:24:53,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:53,782 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:24:53,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:53,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 140 states and 194 transitions. [2021-11-21 06:24:53,788 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 194 transitions. [2021-11-21 06:24:53,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 06:24:53,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:53,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:53,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 06:24:53,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:54,028 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:24:54,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:54,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 140 states and 194 transitions. [2021-11-21 06:24:54,032 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 194 transitions. [2021-11-21 06:24:54,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 06:24:54,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:54,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:54,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:54,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 06:24:54,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:54,431 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:24:54,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:54,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 142 states and 198 transitions. [2021-11-21 06:24:54,469 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 198 transitions. [2021-11-21 06:24:54,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 06:24:54,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:54,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:54,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:54,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 06:24:54,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:54,926 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-21 06:24:55,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:55,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 142 states and 198 transitions. [2021-11-21 06:24:55,056 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 198 transitions. [2021-11-21 06:24:55,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 06:24:55,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:55,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:55,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:55,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 06:24:55,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:55,376 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:24:55,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:55,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 144 states and 202 transitions. [2021-11-21 06:24:55,519 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 202 transitions. [2021-11-21 06:24:55,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 06:24:55,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:55,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:55,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-21 06:24:55,771 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:55,960 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 06:24:56,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:56,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 146 states and 205 transitions. [2021-11-21 06:24:56,215 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 205 transitions. [2021-11-21 06:24:56,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 06:24:56,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:56,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:56,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-21 06:24:56,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:57,000 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-21 06:24:57,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:57,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 146 states and 205 transitions. [2021-11-21 06:24:57,359 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 205 transitions. [2021-11-21 06:24:57,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 06:24:57,360 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:57,360 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:57,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 06:24:57,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:57,956 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 06:24:58,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:58,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 148 states and 211 transitions. [2021-11-21 06:24:58,198 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 211 transitions. [2021-11-21 06:24:58,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 06:24:58,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:58,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:24:58,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-21 06:24:58,612 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:24:58,928 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 27 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 06:24:59,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:24:59,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 147 states and 214 transitions. [2021-11-21 06:24:59,660 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 214 transitions. [2021-11-21 06:24:59,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 06:24:59,661 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:24:59,661 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:24:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:25:00,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 06:25:00,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:25:00,370 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 38 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 06:25:00,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:25:00,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 149 states and 217 transitions. [2021-11-21 06:25:00,925 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 217 transitions. [2021-11-21 06:25:00,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 06:25:00,926 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:25:00,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:25:01,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:25:01,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-21 06:25:01,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:25:02,403 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 51 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-21 06:25:03,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:25:03,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 151 states and 220 transitions. [2021-11-21 06:25:03,394 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 220 transitions. [2021-11-21 06:25:03,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 06:25:03,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:25:03,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:25:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:25:04,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-21 06:25:04,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:25:04,495 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 66 proven. 28 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-21 06:25:05,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:25:05,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 153 states and 230 transitions. [2021-11-21 06:25:05,479 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 230 transitions. [2021-11-21 06:25:05,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 06:25:05,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:25:05,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:25:06,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:25:06,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-21 06:25:06,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:25:06,666 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 83 proven. 36 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-21 06:25:07,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:25:07,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 155 states and 242 transitions. [2021-11-21 06:25:07,567 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 242 transitions. [2021-11-21 06:25:07,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-21 06:25:07,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:25:07,568 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:25:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:25:11,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 43 conjunts are in the unsatisfiable core [2021-11-21 06:25:11,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:25:11,850 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 11 proven. 171 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-21 06:25:12,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:25:12,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 155 states and 242 transitions. [2021-11-21 06:25:12,578 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 242 transitions. [2021-11-21 06:25:12,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-21 06:25:12,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:25:12,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:25:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:25:13,463 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-21 06:25:13,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:25:13,624 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 102 proven. 45 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-21 06:25:14,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:25:14,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 157 states and 254 transitions. [2021-11-21 06:25:14,523 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 254 transitions. [2021-11-21 06:25:14,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-21 06:25:14,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:25:14,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:25:17,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:25:17,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-21 06:25:17,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:25:18,384 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 123 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-21 06:25:20,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:25:20,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 159 states and 267 transitions. [2021-11-21 06:25:20,331 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 267 transitions. [2021-11-21 06:25:20,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 06:25:20,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:25:20,336 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:25:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:25:21,989 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 51 conjunts are in the unsatisfiable core [2021-11-21 06:25:21,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:25:22,826 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 13 proven. 253 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-21 06:25:23,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:25:23,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 159 states and 267 transitions. [2021-11-21 06:25:23,814 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 267 transitions. [2021-11-21 06:25:23,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 06:25:23,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:25:23,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:25:25,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:25:25,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-21 06:25:25,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:25:25,924 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 146 proven. 66 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-21 06:25:27,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:25:27,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 161 states and 270 transitions. [2021-11-21 06:25:27,804 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 270 transitions. [2021-11-21 06:25:27,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 06:25:27,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:25:27,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:25:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:25:28,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-21 06:25:28,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:25:29,554 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 171 proven. 78 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-11-21 06:25:31,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:25:31,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 163 states and 273 transitions. [2021-11-21 06:25:31,457 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 273 transitions. [2021-11-21 06:25:31,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 06:25:31,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:25:31,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:25:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:25:33,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-21 06:25:33,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:25:34,864 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 43 proven. 322 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 06:25:36,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:25:36,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 163 states and 273 transitions. [2021-11-21 06:25:36,487 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 273 transitions. [2021-11-21 06:25:36,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 06:25:36,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:25:36,488 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:25:38,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:25:38,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-21 06:25:38,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:25:39,533 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 198 proven. 91 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2021-11-21 06:25:42,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:25:42,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 165 states and 276 transitions. [2021-11-21 06:25:42,094 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 276 transitions. [2021-11-21 06:25:42,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-21 06:25:42,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:25:42,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:25:52,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-21 06:25:52,232 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) [2021-11-21 06:25:52,235 INFO L158 Benchmark]: Toolchain (without parser) took 64869.23ms. Allocated memory was 94.4MB in the beginning and 237.0MB in the end (delta: 142.6MB). Free memory was 53.6MB in the beginning and 160.4MB in the end (delta: -106.8MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2021-11-21 06:25:52,236 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 94.4MB. Free memory was 72.2MB in the beginning and 72.1MB in the end (delta: 49.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:25:52,237 INFO L158 Benchmark]: CACSL2BoogieTranslator took 912.30ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 53.4MB in the beginning and 74.0MB in the end (delta: -20.6MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2021-11-21 06:25:52,237 INFO L158 Benchmark]: Boogie Procedure Inliner took 131.65ms. Allocated memory is still 121.6MB. Free memory was 74.0MB in the beginning and 67.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-21 06:25:52,238 INFO L158 Benchmark]: Boogie Preprocessor took 163.32ms. Allocated memory is still 121.6MB. Free memory was 67.7MB in the beginning and 61.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-21 06:25:52,239 INFO L158 Benchmark]: RCFGBuilder took 1465.36ms. Allocated memory is still 121.6MB. Free memory was 61.4MB in the beginning and 64.5MB in the end (delta: -3.0MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2021-11-21 06:25:52,239 INFO L158 Benchmark]: CodeCheck took 62191.45ms. Allocated memory was 121.6MB in the beginning and 237.0MB in the end (delta: 115.3MB). Free memory was 64.5MB in the beginning and 160.4MB in the end (delta: -95.9MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. [2021-11-21 06:25:52,243 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 0.25ms. Allocated memory is still 94.4MB. Free memory was 72.2MB in the beginning and 72.1MB in the end (delta: 49.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 912.30ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 53.4MB in the beginning and 74.0MB in the end (delta: -20.6MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 131.65ms. Allocated memory is still 121.6MB. Free memory was 74.0MB in the beginning and 67.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 163.32ms. Allocated memory is still 121.6MB. Free memory was 67.7MB in the beginning and 61.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1465.36ms. Allocated memory is still 121.6MB. Free memory was 61.4MB in the beginning and 64.5MB in the end (delta: -3.0MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. * CodeCheck took 62191.45ms. Allocated memory was 121.6MB in the beginning and 237.0MB in the end (delta: 115.3MB). Free memory was 64.5MB in the beginning and 160.4MB in the end (delta: -95.9MB). Peak memory consumption was 18.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-21 06:25:52,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8ca41fd-1ec3-4ed0-9129-da2ca41de8de/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_f8ca41fd-1ec3-4ed0-9129-da2ca41de8de/bin/ukojak-vF6T2TMglN/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