./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.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_bfecbe37-03d2-4b33-86ea-938f2cdb0dcc/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfecbe37-03d2-4b33-86ea-938f2cdb0dcc/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_bfecbe37-03d2-4b33-86ea-938f2cdb0dcc/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfecbe37-03d2-4b33-86ea-938f2cdb0dcc/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfecbe37-03d2-4b33-86ea-938f2cdb0dcc/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_bfecbe37-03d2-4b33-86ea-938f2cdb0dcc/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 9e43379b3f2624d77eec1084820c7c07499f5ec4432514ab066d4f5cf96eeebc --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 06:39:58,211 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 06:39:58,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 06:39:58,250 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 06:39:58,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 06:39:58,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 06:39:58,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 06:39:58,263 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 06:39:58,265 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 06:39:58,273 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 06:39:58,274 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 06:39:58,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 06:39:58,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 06:39:58,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 06:39:58,282 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 06:39:58,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 06:39:58,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 06:39:58,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 06:39:58,296 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 06:39:58,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 06:39:58,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 06:39:58,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 06:39:58,310 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 06:39:58,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 06:39:58,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 06:39:58,315 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 06:39:58,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 06:39:58,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 06:39:58,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 06:39:58,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 06:39:58,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 06:39:58,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 06:39:58,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 06:39:58,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 06:39:58,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 06:39:58,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 06:39:58,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 06:39:58,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 06:39:58,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 06:39:58,325 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 06:39:58,326 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 06:39:58,327 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfecbe37-03d2-4b33-86ea-938f2cdb0dcc/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-21 06:39:58,381 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 06:39:58,381 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 06:39:58,382 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 06:39:58,382 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 06:39:58,383 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 06:39:58,383 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 06:39:58,383 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 06:39:58,383 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 06:39:58,384 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 06:39:58,384 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 06:39:58,384 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 06:39:58,384 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 06:39:58,384 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 06:39:58,385 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 06:39:58,385 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 06:39:58,385 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 06:39:58,385 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 06:39:58,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 06:39:58,386 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 06:39:58,386 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 06:39:58,386 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 06:39:58,386 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 06:39:58,386 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 06:39:58,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:39:58,387 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 06:39:58,387 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 06:39:58,387 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 06:39:58,388 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 06:39:58,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 06:39:58,388 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 06:39:58,388 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_bfecbe37-03d2-4b33-86ea-938f2cdb0dcc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfecbe37-03d2-4b33-86ea-938f2cdb0dcc/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e43379b3f2624d77eec1084820c7c07499f5ec4432514ab066d4f5cf96eeebc [2021-11-21 06:39:58,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 06:39:58,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 06:39:58,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 06:39:58,696 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 06:39:58,697 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 06:39:58,699 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfecbe37-03d2-4b33-86ea-938f2cdb0dcc/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i [2021-11-21 06:39:58,775 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfecbe37-03d2-4b33-86ea-938f2cdb0dcc/bin/ukojak-vF6T2TMglN/data/7e1938bce/d7bb4da18580481989e3c9ec37f1db5d/FLAG82e3e09f3 [2021-11-21 06:39:59,392 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 06:39:59,392 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfecbe37-03d2-4b33-86ea-938f2cdb0dcc/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i [2021-11-21 06:39:59,411 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfecbe37-03d2-4b33-86ea-938f2cdb0dcc/bin/ukojak-vF6T2TMglN/data/7e1938bce/d7bb4da18580481989e3c9ec37f1db5d/FLAG82e3e09f3 [2021-11-21 06:39:59,596 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfecbe37-03d2-4b33-86ea-938f2cdb0dcc/bin/ukojak-vF6T2TMglN/data/7e1938bce/d7bb4da18580481989e3c9ec37f1db5d [2021-11-21 06:39:59,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 06:39:59,600 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 06:39:59,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 06:39:59,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 06:39:59,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 06:39:59,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:39:59" (1/1) ... [2021-11-21 06:39:59,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fd31a68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:59, skipping insertion in model container [2021-11-21 06:39:59,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:39:59" (1/1) ... [2021-11-21 06:39:59,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 06:39:59,670 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 06:40:00,123 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_bfecbe37-03d2-4b33-86ea-938f2cdb0dcc/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i[33021,33034] [2021-11-21 06:40:00,287 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_bfecbe37-03d2-4b33-86ea-938f2cdb0dcc/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i[44124,44137] [2021-11-21 06:40:00,288 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_bfecbe37-03d2-4b33-86ea-938f2cdb0dcc/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i[44245,44258] [2021-11-21 06:40:00,303 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:40:00,311 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 06:40:00,338 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_bfecbe37-03d2-4b33-86ea-938f2cdb0dcc/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i[33021,33034] [2021-11-21 06:40:00,399 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_bfecbe37-03d2-4b33-86ea-938f2cdb0dcc/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i[44124,44137] [2021-11-21 06:40:00,400 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_bfecbe37-03d2-4b33-86ea-938f2cdb0dcc/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-2.i[44245,44258] [2021-11-21 06:40:00,420 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:40:00,469 INFO L208 MainTranslator]: Completed translation [2021-11-21 06:40:00,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:00 WrapperNode [2021-11-21 06:40:00,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 06:40:00,471 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 06:40:00,471 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 06:40:00,471 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 06:40:00,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:00" (1/1) ... [2021-11-21 06:40:00,523 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:00" (1/1) ... [2021-11-21 06:40:00,636 INFO L137 Inliner]: procedures = 176, calls = 328, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1157 [2021-11-21 06:40:00,636 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 06:40:00,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 06:40:00,637 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 06:40:00,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 06:40:00,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:00" (1/1) ... [2021-11-21 06:40:00,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:00" (1/1) ... [2021-11-21 06:40:00,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:00" (1/1) ... [2021-11-21 06:40:00,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:00" (1/1) ... [2021-11-21 06:40:00,714 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:00" (1/1) ... [2021-11-21 06:40:00,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:00" (1/1) ... [2021-11-21 06:40:00,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:00" (1/1) ... [2021-11-21 06:40:00,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 06:40:00,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 06:40:00,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 06:40:00,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 06:40:00,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:00" (1/1) ... [2021-11-21 06:40:00,759 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:40:00,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfecbe37-03d2-4b33-86ea-938f2cdb0dcc/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 06:40:00,793 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfecbe37-03d2-4b33-86ea-938f2cdb0dcc/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 06:40:00,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfecbe37-03d2-4b33-86ea-938f2cdb0dcc/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 06:40:00,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 06:40:00,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 06:40:00,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 06:40:00,837 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 06:40:00,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 06:40:00,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 06:40:00,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 06:40:00,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 06:40:00,839 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 06:40:00,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 06:40:00,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 06:40:00,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 06:40:00,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 06:40:00,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 06:40:01,164 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 06:40:01,171 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 06:40:02,187 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 06:40:02,547 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 06:40:02,547 INFO L301 CfgBuilder]: Removed 72 assume(true) statements. [2021-11-21 06:40:02,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:40:02 BoogieIcfgContainer [2021-11-21 06:40:02,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 06:40:02,552 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 06:40:02,552 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 06:40:02,562 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 06:40:02,563 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:40:02" (1/1) ... [2021-11-21 06:40:02,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 06:40:02,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:02,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 130 states and 222 transitions. [2021-11-21 06:40:02,642 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 222 transitions. [2021-11-21 06:40:02,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 06:40:02,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:02,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:02,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-21 06:40:02,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:40:02,906 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 06:40:02,917 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-21 06:40:03,001 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 32 treesize of output 20 [2021-11-21 06:40:03,020 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 06:40:03,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:03,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 133 states and 227 transitions. [2021-11-21 06:40:03,086 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 227 transitions. [2021-11-21 06:40:03,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-21 06:40:03,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:03,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:03,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:03,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-21 06:40:03,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:40:03,213 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 06:40:03,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-11-21 06:40:03,283 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 32 treesize of output 20 [2021-11-21 06:40:03,305 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 06:40:03,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:03,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 134 states and 228 transitions. [2021-11-21 06:40:03,330 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 228 transitions. [2021-11-21 06:40:03,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-21 06:40:03,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:03,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:03,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:40:03,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:40:03,426 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 06:40:03,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:03,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 134 states and 226 transitions. [2021-11-21 06:40:03,436 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 226 transitions. [2021-11-21 06:40:03,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-21 06:40:03,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:03,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:03,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:03,537 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 06:40:03,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:03,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 134 states and 221 transitions. [2021-11-21 06:40:03,674 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 221 transitions. [2021-11-21 06:40:03,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-21 06:40:03,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:03,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:03,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:40:03,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:40:03,764 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 06:40:03,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:03,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 134 states and 217 transitions. [2021-11-21 06:40:03,777 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 217 transitions. [2021-11-21 06:40:03,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-21 06:40:03,784 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:03,785 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:03,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:40:03,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:40:03,889 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 06:40:03,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:03,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 134 states and 211 transitions. [2021-11-21 06:40:03,901 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 211 transitions. [2021-11-21 06:40:03,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-21 06:40:03,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:03,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:03,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:40:03,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:40:04,025 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 06:40:04,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:04,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 134 states and 203 transitions. [2021-11-21 06:40:04,064 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 203 transitions. [2021-11-21 06:40:04,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-21 06:40:04,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:04,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:04,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:04,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 06:40:04,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:40:04,275 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 06:40:04,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:04,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 148 states and 220 transitions. [2021-11-21 06:40:04,649 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 220 transitions. [2021-11-21 06:40:04,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-21 06:40:04,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:04,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:04,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:04,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:40:04,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:40:04,785 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 06:40:04,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:04,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 148 states and 218 transitions. [2021-11-21 06:40:04,792 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 218 transitions. [2021-11-21 06:40:04,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-21 06:40:04,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:04,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:04,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:04,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-21 06:40:04,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:40:04,931 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 06:40:04,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:04,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 148 states and 216 transitions. [2021-11-21 06:40:04,938 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 216 transitions. [2021-11-21 06:40:04,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-21 06:40:04,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:04,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:05,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 06:40:05,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:40:05,147 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 06:40:05,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:05,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 151 states and 218 transitions. [2021-11-21 06:40:05,163 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 218 transitions. [2021-11-21 06:40:05,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 06:40:05,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:05,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:05,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:05,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-21 06:40:05,304 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:40:05,434 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 06:40:05,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:05,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 153 states and 222 transitions. [2021-11-21 06:40:05,520 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 222 transitions. [2021-11-21 06:40:05,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 06:40:05,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:05,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:06,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:06,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-21 06:40:06,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:40:06,214 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 06:40:06,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:06,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 153 states and 222 transitions. [2021-11-21 06:40:06,333 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 222 transitions. [2021-11-21 06:40:06,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 06:40:06,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:06,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:06,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:06,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-21 06:40:06,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:40:06,867 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 06:40:06,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:06,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 153 states and 222 transitions. [2021-11-21 06:40:06,874 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 222 transitions. [2021-11-21 06:40:06,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-21 06:40:06,875 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:06,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:07,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-21 06:40:07,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:40:07,294 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 06:40:07,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:07,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 155 states and 225 transitions. [2021-11-21 06:40:07,431 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 225 transitions. [2021-11-21 06:40:07,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 06:40:07,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:07,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:07,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-21 06:40:07,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:40:07,845 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-21 06:40:08,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:08,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 155 states and 225 transitions. [2021-11-21 06:40:08,040 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 225 transitions. [2021-11-21 06:40:08,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 06:40:08,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:08,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:08,530 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-21 06:40:08,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:40:08,630 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 06:40:08,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:08,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 157 states and 230 transitions. [2021-11-21 06:40:08,792 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 230 transitions. [2021-11-21 06:40:08,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 06:40:08,793 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:08,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:09,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:09,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-21 06:40:09,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:40:09,287 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 06:40:09,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:09,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 159 states and 236 transitions. [2021-11-21 06:40:09,705 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 236 transitions. [2021-11-21 06:40:09,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 06:40:09,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:09,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:10,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-21 06:40:10,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:40:10,549 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 40 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-21 06:40:11,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:11,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 157 states and 235 transitions. [2021-11-21 06:40:11,763 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 235 transitions. [2021-11-21 06:40:11,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 06:40:11,764 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:11,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:12,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-21 06:40:12,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:40:12,473 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 26 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-21 06:40:12,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:12,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 157 states and 235 transitions. [2021-11-21 06:40:12,547 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 235 transitions. [2021-11-21 06:40:12,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 06:40:12,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:12,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:12,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:12,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-21 06:40:12,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:40:12,897 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 26 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-21 06:40:12,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:12,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 157 states and 235 transitions. [2021-11-21 06:40:12,902 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 235 transitions. [2021-11-21 06:40:12,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-21 06:40:12,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:12,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:13,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-21 06:40:13,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:40:13,308 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 06:40:13,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:13,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 158 states and 236 transitions. [2021-11-21 06:40:13,435 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 236 transitions. [2021-11-21 06:40:13,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 06:40:13,436 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:13,436 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:13,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 18 conjunts are in the unsatisfiable core [2021-11-21 06:40:13,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:40:14,337 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 06:40:15,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:15,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 160 states and 239 transitions. [2021-11-21 06:40:15,089 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 239 transitions. [2021-11-21 06:40:15,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 06:40:15,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:15,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:15,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:15,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-21 06:40:15,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:40:16,429 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 8 proven. 78 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-21 06:40:17,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:17,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 160 states and 239 transitions. [2021-11-21 06:40:17,034 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 239 transitions. [2021-11-21 06:40:17,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-21 06:40:17,035 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:17,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:17,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:17,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-21 06:40:17,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:40:18,046 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 06:40:19,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:19,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 162 states and 243 transitions. [2021-11-21 06:40:19,054 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 243 transitions. [2021-11-21 06:40:19,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 06:40:19,055 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:19,056 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:20,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-21 06:40:20,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:40:20,822 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 9 proven. 105 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 06:40:21,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:21,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 162 states and 243 transitions. [2021-11-21 06:40:21,649 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 243 transitions. [2021-11-21 06:40:21,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 06:40:21,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:21,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:22,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-21 06:40:22,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:40:23,008 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 9 proven. 105 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-21 06:40:23,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:23,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 162 states and 243 transitions. [2021-11-21 06:40:23,015 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 243 transitions. [2021-11-21 06:40:23,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-21 06:40:23,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:23,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:23,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:23,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-21 06:40:23,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:40:24,162 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 06:40:25,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:25,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 164 states and 248 transitions. [2021-11-21 06:40:25,462 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 248 transitions. [2021-11-21 06:40:25,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 06:40:25,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:25,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:27,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:27,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 21 conjunts are in the unsatisfiable core [2021-11-21 06:40:27,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:40:27,948 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 06:40:29,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:29,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 166 states and 260 transitions. [2021-11-21 06:40:29,411 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 260 transitions. [2021-11-21 06:40:29,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-21 06:40:29,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:29,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:30,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:30,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-21 06:40:30,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:40:31,592 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 06:40:33,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:33,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 168 states and 272 transitions. [2021-11-21 06:40:33,308 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 272 transitions. [2021-11-21 06:40:33,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-21 06:40:33,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:33,309 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:34,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 48 conjunts are in the unsatisfiable core [2021-11-21 06:40:34,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:40:35,396 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 06:40:37,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:37,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 170 states and 275 transitions. [2021-11-21 06:40:37,356 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 275 transitions. [2021-11-21 06:40:37,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-21 06:40:37,359 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:37,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:39,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 52 conjunts are in the unsatisfiable core [2021-11-21 06:40:39,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:40:41,196 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 06:40:44,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:44,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 172 states and 278 transitions. [2021-11-21 06:40:44,254 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 278 transitions. [2021-11-21 06:40:44,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 06:40:44,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:44,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:45,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-21 06:40:45,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:40:46,900 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 27 proven. 287 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-21 06:40:48,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:48,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 172 states and 278 transitions. [2021-11-21 06:40:48,671 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 278 transitions. [2021-11-21 06:40:48,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 06:40:48,672 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:48,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:50,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 54 conjunts are in the unsatisfiable core [2021-11-21 06:40:50,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:40:51,227 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 27 proven. 287 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-21 06:40:51,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:51,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 172 states and 278 transitions. [2021-11-21 06:40:51,235 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 278 transitions. [2021-11-21 06:40:51,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-21 06:40:51,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:51,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:54,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:54,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-21 06:40:54,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:40:55,242 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 06:40:56,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:40:56,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 174 states and 293 transitions. [2021-11-21 06:40:56,698 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 293 transitions. [2021-11-21 06:40:56,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 06:40:56,699 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:40:56,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:40:58,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:40:58,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 56 conjunts are in the unsatisfiable core [2021-11-21 06:40:58,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:00,817 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 06:41:03,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:03,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 174 states and 293 transitions. [2021-11-21 06:41:03,451 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 293 transitions. [2021-11-21 06:41:03,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 06:41:03,451 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:03,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:05,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 31 conjunts are in the unsatisfiable core [2021-11-21 06:41:05,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:07,079 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 197 proven. 91 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-11-21 06:41:07,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:07,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 174 states and 293 transitions. [2021-11-21 06:41:07,860 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 293 transitions. [2021-11-21 06:41:07,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 06:41:07,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:07,862 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:10,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-21 06:41:10,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:11,149 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 06:41:14,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:14,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 176 states and 296 transitions. [2021-11-21 06:41:14,224 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 296 transitions. [2021-11-21 06:41:14,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-21 06:41:14,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:14,225 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:18,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-21 06:41:18,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:20,228 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 227 proven. 105 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-21 06:41:23,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:23,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 178 states and 299 transitions. [2021-11-21 06:41:23,751 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 299 transitions. [2021-11-21 06:41:23,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-21 06:41:23,752 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:23,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:25,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:25,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-21 06:41:25,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:27,577 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 258 proven. 120 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-11-21 06:41:34,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:34,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 180 states and 293 transitions. [2021-11-21 06:41:34,045 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 293 transitions. [2021-11-21 06:41:34,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-11-21 06:41:34,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:34,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:36,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:41:36,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-21 06:41:36,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 06:41:39,465 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 291 proven. 136 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-11-21 06:41:45,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:41:45,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 182 states and 313 transitions. [2021-11-21 06:41:45,171 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 313 transitions. [2021-11-21 06:41:45,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-21 06:41:45,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:41:45,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:41:55,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-11-21 06:41:55,319 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 06:41:55,322 INFO L158 Benchmark]: Toolchain (without parser) took 115721.62ms. Allocated memory was 117.4MB in the beginning and 205.5MB in the end (delta: 88.1MB). Free memory was 84.1MB in the beginning and 71.8MB in the end (delta: 12.3MB). Peak memory consumption was 101.1MB. Max. memory is 16.1GB. [2021-11-21 06:41:55,322 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 70.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:41:55,323 INFO L158 Benchmark]: CACSL2BoogieTranslator took 868.74ms. Allocated memory is still 117.4MB. Free memory was 83.8MB in the beginning and 68.2MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-21 06:41:55,324 INFO L158 Benchmark]: Boogie Procedure Inliner took 165.83ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 61.1MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-21 06:41:55,324 INFO L158 Benchmark]: Boogie Preprocessor took 106.90ms. Allocated memory is still 117.4MB. Free memory was 61.1MB in the beginning and 53.1MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 06:41:55,325 INFO L158 Benchmark]: RCFGBuilder took 1806.81ms. Allocated memory was 117.4MB in the beginning and 144.7MB in the end (delta: 27.3MB). Free memory was 53.1MB in the beginning and 105.1MB in the end (delta: -52.0MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2021-11-21 06:41:55,326 INFO L158 Benchmark]: CodeCheck took 112768.42ms. Allocated memory was 144.7MB in the beginning and 205.5MB in the end (delta: 60.8MB). Free memory was 105.1MB in the beginning and 71.8MB in the end (delta: 33.3MB). Peak memory consumption was 94.1MB. Max. memory is 16.1GB. [2021-11-21 06:41:55,329 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 0.27ms. Allocated memory is still 117.4MB. Free memory is still 70.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 868.74ms. Allocated memory is still 117.4MB. Free memory was 83.8MB in the beginning and 68.2MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 165.83ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 61.1MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 106.90ms. Allocated memory is still 117.4MB. Free memory was 61.1MB in the beginning and 53.1MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1806.81ms. Allocated memory was 117.4MB in the beginning and 144.7MB in the end (delta: 27.3MB). Free memory was 53.1MB in the beginning and 105.1MB in the end (delta: -52.0MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. * CodeCheck took 112768.42ms. Allocated memory was 144.7MB in the beginning and 205.5MB in the end (delta: 60.8MB). Free memory was 105.1MB in the beginning and 71.8MB in the end (delta: 33.3MB). Peak memory consumption was 94.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-21 06:41:55,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bfecbe37-03d2-4b33-86ea-938f2cdb0dcc/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_bfecbe37-03d2-4b33-86ea-938f2cdb0dcc/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