./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-1.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_e5c8e773-0d6c-4a2c-a8f3-0b580684dea5/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c8e773-0d6c-4a2c-a8f3-0b580684dea5/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_e5c8e773-0d6c-4a2c-a8f3-0b580684dea5/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c8e773-0d6c-4a2c-a8f3-0b580684dea5/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c8e773-0d6c-4a2c-a8f3-0b580684dea5/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_e5c8e773-0d6c-4a2c-a8f3-0b580684dea5/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 ec105877a5c5817dc7d6d5e780267dcadb379ad27281f7d8981115c8613ba085 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 07:11:22,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 07:11:22,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 07:11:22,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 07:11:22,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 07:11:22,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 07:11:22,262 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 07:11:22,264 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 07:11:22,267 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 07:11:22,268 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 07:11:22,269 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 07:11:22,271 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 07:11:22,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 07:11:22,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 07:11:22,275 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 07:11:22,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 07:11:22,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 07:11:22,279 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 07:11:22,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 07:11:22,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 07:11:22,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 07:11:22,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 07:11:22,290 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 07:11:22,291 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 07:11:22,295 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 07:11:22,296 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 07:11:22,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 07:11:22,298 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 07:11:22,298 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 07:11:22,300 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 07:11:22,300 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 07:11:22,302 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 07:11:22,303 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 07:11:22,304 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 07:11:22,305 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 07:11:22,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 07:11:22,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 07:11:22,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 07:11:22,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 07:11:22,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 07:11:22,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 07:11:22,311 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c8e773-0d6c-4a2c-a8f3-0b580684dea5/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-25 07:11:22,338 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 07:11:22,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 07:11:22,339 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 07:11:22,339 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 07:11:22,340 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 07:11:22,340 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 07:11:22,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 07:11:22,341 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 07:11:22,341 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 07:11:22,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 07:11:22,342 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 07:11:22,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 07:11:22,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 07:11:22,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 07:11:22,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 07:11:22,343 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 07:11:22,343 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 07:11:22,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 07:11:22,344 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 07:11:22,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 07:11:22,344 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 07:11:22,344 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 07:11:22,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 07:11:22,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:11:22,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 07:11:22,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 07:11:22,346 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 07:11:22,346 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 07:11:22,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 07:11:22,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 07:11:22,347 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_e5c8e773-0d6c-4a2c-a8f3-0b580684dea5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c8e773-0d6c-4a2c-a8f3-0b580684dea5/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec105877a5c5817dc7d6d5e780267dcadb379ad27281f7d8981115c8613ba085 [2021-11-25 07:11:22,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 07:11:22,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 07:11:22,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 07:11:22,685 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 07:11:22,686 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 07:11:22,688 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c8e773-0d6c-4a2c-a8f3-0b580684dea5/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-1.i [2021-11-25 07:11:22,785 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c8e773-0d6c-4a2c-a8f3-0b580684dea5/bin/ukojak-d1pc8ZmBRL/data/915b10160/196a169e19df457e99e1d3a35e4fb04f/FLAGc3f80fd9f [2021-11-25 07:11:23,377 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 07:11:23,382 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c8e773-0d6c-4a2c-a8f3-0b580684dea5/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-1.i [2021-11-25 07:11:23,412 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c8e773-0d6c-4a2c-a8f3-0b580684dea5/bin/ukojak-d1pc8ZmBRL/data/915b10160/196a169e19df457e99e1d3a35e4fb04f/FLAGc3f80fd9f [2021-11-25 07:11:23,594 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c8e773-0d6c-4a2c-a8f3-0b580684dea5/bin/ukojak-d1pc8ZmBRL/data/915b10160/196a169e19df457e99e1d3a35e4fb04f [2021-11-25 07:11:23,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 07:11:23,597 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 07:11:23,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 07:11:23,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 07:11:23,607 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 07:11:23,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:11:23" (1/1) ... [2021-11-25 07:11:23,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@489a0ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:11:23, skipping insertion in model container [2021-11-25 07:11:23,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:11:23" (1/1) ... [2021-11-25 07:11:23,617 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 07:11:23,692 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 07:11:24,148 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_e5c8e773-0d6c-4a2c-a8f3-0b580684dea5/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-1.i[33021,33034] [2021-11-25 07:11:24,276 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:11:24,285 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 07:11:24,313 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_e5c8e773-0d6c-4a2c-a8f3-0b580684dea5/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-1.i[33021,33034] [2021-11-25 07:11:24,350 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:11:24,388 INFO L208 MainTranslator]: Completed translation [2021-11-25 07:11:24,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:11:24 WrapperNode [2021-11-25 07:11:24,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 07:11:24,390 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 07:11:24,391 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 07:11:24,391 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 07:11:24,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:11:24" (1/1) ... [2021-11-25 07:11:24,423 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:11:24" (1/1) ... [2021-11-25 07:11:24,467 INFO L137 Inliner]: procedures = 177, calls = 186, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 627 [2021-11-25 07:11:24,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 07:11:24,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 07:11:24,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 07:11:24,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 07:11:24,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:11:24" (1/1) ... [2021-11-25 07:11:24,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:11:24" (1/1) ... [2021-11-25 07:11:24,486 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:11:24" (1/1) ... [2021-11-25 07:11:24,486 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:11:24" (1/1) ... [2021-11-25 07:11:24,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:11:24" (1/1) ... [2021-11-25 07:11:24,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:11:24" (1/1) ... [2021-11-25 07:11:24,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:11:24" (1/1) ... [2021-11-25 07:11:24,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 07:11:24,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 07:11:24,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 07:11:24,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 07:11:24,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:11:24" (1/1) ... [2021-11-25 07:11:24,587 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:11:24,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c8e773-0d6c-4a2c-a8f3-0b580684dea5/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 07:11:24,639 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c8e773-0d6c-4a2c-a8f3-0b580684dea5/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 07:11:24,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c8e773-0d6c-4a2c-a8f3-0b580684dea5/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 07:11:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 07:11:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-25 07:11:24,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-25 07:11:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 07:11:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 07:11:24,685 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 07:11:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 07:11:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 07:11:24,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 07:11:24,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 07:11:24,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 07:11:24,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 07:11:24,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 07:11:24,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 07:11:24,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 07:11:24,830 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 07:11:24,832 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 07:11:25,847 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 07:11:26,149 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 07:11:26,149 INFO L301 CfgBuilder]: Removed 31 assume(true) statements. [2021-11-25 07:11:26,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:11:26 BoogieIcfgContainer [2021-11-25 07:11:26,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 07:11:26,156 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 07:11:26,156 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 07:11:26,167 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 07:11:26,167 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:11:26" (1/1) ... [2021-11-25 07:11:26,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 07:11:26,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:11:26,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 89 states and 147 transitions. [2021-11-25 07:11:26,284 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 147 transitions. [2021-11-25 07:11:26,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-25 07:11:26,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:11:26,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:11:26,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:11:26,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 07:11:26,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:11:26,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:11:26,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:11:26,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 91 states and 150 transitions. [2021-11-25 07:11:26,547 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 150 transitions. [2021-11-25 07:11:26,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 07:11:26,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:11:26,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:11:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:11:26,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 07:11:26,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:11:26,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:11:26,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:11:26,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 90 states and 149 transitions. [2021-11-25 07:11:26,641 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 149 transitions. [2021-11-25 07:11:26,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-25 07:11:26,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:11:26,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:11:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:11:26,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 07:11:26,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:11:26,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:11:26,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:11:26,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 90 states and 147 transitions. [2021-11-25 07:11:26,773 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 147 transitions. [2021-11-25 07:11:26,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 07:11:26,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:11:26,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:11:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:11:26,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 07:11:26,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:11:26,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:11:26,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:11:26,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 90 states and 143 transitions. [2021-11-25 07:11:26,875 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 143 transitions. [2021-11-25 07:11:26,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-25 07:11:26,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:11:26,881 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:11:26,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:11:26,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 07:11:26,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:11:26,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:11:27,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:11:27,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 90 states and 137 transitions. [2021-11-25 07:11:27,010 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 137 transitions. [2021-11-25 07:11:27,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-25 07:11:27,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:11:27,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:11:27,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:11:27,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 1405 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 07:11:27,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:11:27,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:11:27,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:11:27,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 90 states and 131 transitions. [2021-11-25 07:11:27,695 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 131 transitions. [2021-11-25 07:11:27,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 07:11:27,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:11:27,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:11:28,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:11:28,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 1542 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 07:11:28,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:11:28,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:11:28,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:11:28,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 114 states and 161 transitions. [2021-11-25 07:11:28,628 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 161 transitions. [2021-11-25 07:11:28,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 07:11:28,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:11:28,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:11:28,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:11:28,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 07:11:28,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:11:28,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:11:28,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:11:28,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 114 states and 159 transitions. [2021-11-25 07:11:28,826 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 159 transitions. [2021-11-25 07:11:28,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 07:11:28,827 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:11:28,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:11:29,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:11:29,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 1543 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 07:11:29,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:11:29,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:11:29,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:11:29,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 139 states and 190 transitions. [2021-11-25 07:11:29,737 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 190 transitions. [2021-11-25 07:11:29,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 07:11:29,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:11:29,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:11:29,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:11:29,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 07:11:29,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:11:29,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:11:29,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:11:29,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 139 states and 188 transitions. [2021-11-25 07:11:29,949 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 188 transitions. [2021-11-25 07:11:29,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 07:11:29,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:11:29,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:11:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:11:30,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 1556 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 07:11:30,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:11:30,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:11:30,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:11:30,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 139 states and 186 transitions. [2021-11-25 07:11:30,500 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 186 transitions. [2021-11-25 07:11:30,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 07:11:30,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:11:30,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:11:30,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:11:31,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 1572 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 07:11:31,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:11:31,136 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:11:31,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:11:31,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 152 states and 201 transitions. [2021-11-25 07:11:31,256 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 201 transitions. [2021-11-25 07:11:31,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 07:11:31,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:11:31,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:11:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:11:31,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 1557 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 07:11:31,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:11:31,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:11:31,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:11:31,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 155 states and 203 transitions. [2021-11-25 07:11:31,889 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 203 transitions. [2021-11-25 07:11:31,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 07:11:31,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:11:31,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:11:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:11:32,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 1558 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 07:11:32,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:11:32,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:11:32,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:11:32,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 158 states and 205 transitions. [2021-11-25 07:11:32,574 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 205 transitions. [2021-11-25 07:11:32,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-25 07:11:32,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:11:32,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:11:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:11:33,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 1587 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 07:11:33,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:11:33,191 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:11:33,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:11:33,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 161 states and 207 transitions. [2021-11-25 07:11:33,207 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 207 transitions. [2021-11-25 07:11:33,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-25 07:11:33,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:11:33,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:11:33,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:11:33,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 07:11:33,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:11:33,554 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 07:11:33,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:11:33,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 170 states and 217 transitions. [2021-11-25 07:11:33,587 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 217 transitions. [2021-11-25 07:11:33,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-25 07:11:33,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:11:33,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:11:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:11:33,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 680 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-25 07:11:33,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:11:33,911 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 07:11:33,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:11:33,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 179 states and 227 transitions. [2021-11-25 07:11:33,968 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 227 transitions. [2021-11-25 07:11:33,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-25 07:11:33,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:11:33,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:11:34,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:11:34,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 709 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 07:11:34,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:11:34,654 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 07:11:34,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:11:34,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 181 states and 231 transitions. [2021-11-25 07:11:34,754 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 231 transitions. [2021-11-25 07:11:34,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 07:11:34,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:11:34,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:11:35,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:11:35,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-25 07:11:35,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:11:35,782 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:11:35,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:11:35,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 181 states and 231 transitions. [2021-11-25 07:11:35,930 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 231 transitions. [2021-11-25 07:11:35,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 07:11:35,931 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:11:35,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:11:37,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:11:37,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-25 07:11:37,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:11:37,843 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:11:37,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:11:37,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 181 states and 231 transitions. [2021-11-25 07:11:37,850 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 231 transitions. [2021-11-25 07:11:37,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 07:11:37,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:11:37,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:11:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:11:38,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-25 07:11:38,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:11:38,574 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:11:38,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:11:38,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 181 states and 231 transitions. [2021-11-25 07:11:38,581 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 231 transitions. [2021-11-25 07:11:38,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 07:11:38,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:11:38,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:11:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:11:41,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-25 07:11:41,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:11:41,811 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 07:11:41,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:11:41,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 181 states and 231 transitions. [2021-11-25 07:11:41,886 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 231 transitions. [2021-11-25 07:11:41,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 07:11:41,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:11:41,887 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:11:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:11:42,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-25 07:11:42,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:11:42,986 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-25 07:11:43,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:11:43,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 183 states and 234 transitions. [2021-11-25 07:11:43,130 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 234 transitions. [2021-11-25 07:11:43,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-25 07:11:43,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:11:43,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:11:43,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:11:43,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 769 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-25 07:11:43,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:11:44,063 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 07:11:44,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:11:44,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 185 states and 239 transitions. [2021-11-25 07:11:44,446 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 239 transitions. [2021-11-25 07:11:44,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-25 07:11:44,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:11:44,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:11:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:11:45,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-25 07:11:45,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:11:46,135 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 07:11:46,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:11:46,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 187 states and 242 transitions. [2021-11-25 07:11:46,588 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 242 transitions. [2021-11-25 07:11:46,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-25 07:11:46,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:11:46,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:11:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:11:47,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-25 07:11:47,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:11:47,972 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 29 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-25 07:11:49,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:11:49,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 186 states and 243 transitions. [2021-11-25 07:11:49,379 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 243 transitions. [2021-11-25 07:11:49,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-25 07:11:49,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:11:49,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:11:52,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:11:52,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-25 07:11:52,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:11:52,896 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 9 proven. 55 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 07:11:53,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:11:53,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 186 states and 243 transitions. [2021-11-25 07:11:53,537 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 243 transitions. [2021-11-25 07:11:53,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-25 07:11:53,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:11:53,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:11:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:11:54,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-25 07:11:54,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:11:54,467 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 9 proven. 55 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-25 07:11:54,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:11:54,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 186 states and 243 transitions. [2021-11-25 07:11:54,484 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 243 transitions. [2021-11-25 07:11:54,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-25 07:11:54,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:11:54,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:11:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:11:59,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-25 07:11:59,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:11:59,340 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 40 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-25 07:11:59,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:11:59,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 188 states and 246 transitions. [2021-11-25 07:11:59,706 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 246 transitions. [2021-11-25 07:11:59,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-25 07:11:59,707 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:11:59,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:03,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 889 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-25 07:12:03,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:12:04,216 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 53 proven. 21 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-11-25 07:12:05,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:05,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 190 states and 249 transitions. [2021-11-25 07:12:05,275 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 249 transitions. [2021-11-25 07:12:05,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-25 07:12:05,275 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:05,276 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:09,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 919 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-25 07:12:09,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:12:09,560 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 11 proven. 105 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-25 07:12:10,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:10,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 190 states and 249 transitions. [2021-11-25 07:12:10,448 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 249 transitions. [2021-11-25 07:12:10,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-25 07:12:10,449 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:10,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:12,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:12,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 919 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-25 07:12:12,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:12:12,488 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 68 proven. 28 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-25 07:12:13,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:13,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 192 states and 252 transitions. [2021-11-25 07:12:13,449 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 252 transitions. [2021-11-25 07:12:13,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-25 07:12:13,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:13,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:14,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:14,534 INFO L263 TraceCheckSpWp]: Trace formula consists of 949 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-25 07:12:14,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:12:15,034 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 85 proven. 36 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-11-25 07:12:16,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:16,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 194 states and 256 transitions. [2021-11-25 07:12:16,416 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 256 transitions. [2021-11-25 07:12:16,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-25 07:12:16,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:16,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:18,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-25 07:12:18,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:12:19,552 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 13 proven. 171 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-25 07:12:20,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:20,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 194 states and 256 transitions. [2021-11-25 07:12:20,528 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 256 transitions. [2021-11-25 07:12:20,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-25 07:12:20,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:20,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:22,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:22,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 44 conjunts are in the unsatisfiable core [2021-11-25 07:12:22,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:12:22,450 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 13 proven. 171 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-25 07:12:22,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:22,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 194 states and 256 transitions. [2021-11-25 07:12:22,457 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 256 transitions. [2021-11-25 07:12:22,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-25 07:12:22,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:22,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:23,143 INFO L263 TraceCheckSpWp]: Trace formula consists of 979 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-25 07:12:23,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:12:24,649 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 104 proven. 45 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-25 07:12:27,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:27,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 196 states and 263 transitions. [2021-11-25 07:12:27,068 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 263 transitions. [2021-11-25 07:12:27,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-25 07:12:27,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:27,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:30,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 1009 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-25 07:12:30,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:12:31,254 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 125 proven. 55 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-11-25 07:12:33,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:33,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 198 states and 266 transitions. [2021-11-25 07:12:33,345 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 266 transitions. [2021-11-25 07:12:33,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-25 07:12:33,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:33,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:34,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 07:12:34,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 1039 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-25 07:12:34,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 07:12:35,817 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 15 proven. 253 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-25 07:12:37,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:12:37,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 198 states and 266 transitions. [2021-11-25 07:12:37,349 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 266 transitions. [2021-11-25 07:12:37,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-25 07:12:37,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:12:37,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:12:47,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-25 07:12:47,660 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:487) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-25 07:12:47,665 INFO L158 Benchmark]: Toolchain (without parser) took 84066.26ms. Allocated memory was 88.1MB in the beginning and 497.0MB in the end (delta: 408.9MB). Free memory was 45.1MB in the beginning and 168.0MB in the end (delta: -122.9MB). Peak memory consumption was 287.2MB. Max. memory is 16.1GB. [2021-11-25 07:12:47,665 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 88.1MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:12:47,666 INFO L158 Benchmark]: CACSL2BoogieTranslator took 789.16ms. Allocated memory is still 88.1MB. Free memory was 44.8MB in the beginning and 46.8MB in the end (delta: -2.0MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2021-11-25 07:12:47,667 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.19ms. Allocated memory is still 88.1MB. Free memory was 46.8MB in the beginning and 41.9MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 07:12:47,667 INFO L158 Benchmark]: Boogie Preprocessor took 79.20ms. Allocated memory is still 88.1MB. Free memory was 41.9MB in the beginning and 37.0MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 07:12:47,668 INFO L158 Benchmark]: RCFGBuilder took 1606.87ms. Allocated memory was 88.1MB in the beginning and 130.0MB in the end (delta: 41.9MB). Free memory was 37.0MB in the beginning and 77.4MB in the end (delta: -40.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-25 07:12:47,669 INFO L158 Benchmark]: CodeCheck took 81507.31ms. Allocated memory was 130.0MB in the beginning and 497.0MB in the end (delta: 367.0MB). Free memory was 77.4MB in the beginning and 168.0MB in the end (delta: -90.6MB). Peak memory consumption was 276.2MB. Max. memory is 16.1GB. [2021-11-25 07:12:47,673 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 0.33ms. Allocated memory is still 88.1MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 789.16ms. Allocated memory is still 88.1MB. Free memory was 44.8MB in the beginning and 46.8MB in the end (delta: -2.0MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.19ms. Allocated memory is still 88.1MB. Free memory was 46.8MB in the beginning and 41.9MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.20ms. Allocated memory is still 88.1MB. Free memory was 41.9MB in the beginning and 37.0MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1606.87ms. Allocated memory was 88.1MB in the beginning and 130.0MB in the end (delta: 41.9MB). Free memory was 37.0MB in the beginning and 77.4MB in the end (delta: -40.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 81507.31ms. Allocated memory was 130.0MB in the beginning and 497.0MB in the end (delta: 367.0MB). Free memory was 77.4MB in the beginning and 168.0MB in the end (delta: -90.6MB). Peak memory consumption was 276.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-25 07:12:47,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5c8e773-0d6c-4a2c-a8f3-0b580684dea5/bin/ukojak-d1pc8ZmBRL/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_e5c8e773-0d6c-4a2c-a8f3-0b580684dea5/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