./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/id_i25_o25-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c18ca159-95a5-441c-beeb-9884bd7fab43/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c18ca159-95a5-441c-beeb-9884bd7fab43/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c18ca159-95a5-441c-beeb-9884bd7fab43/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c18ca159-95a5-441c-beeb-9884bd7fab43/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i25_o25-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c18ca159-95a5-441c-beeb-9884bd7fab43/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c18ca159-95a5-441c-beeb-9884bd7fab43/bin/ukojak-Rh5K9KB4LI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2409cd2f018515417b0b6bf5d396e4bc80c02540769112137ebf388167bdf776 ...................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:03:16,318 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:03:16,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:03:16,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:03:16,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:03:16,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:03:16,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:03:16,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:03:16,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:03:16,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:03:16,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:03:16,369 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:03:16,370 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:03:16,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:03:16,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:03:16,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:03:16,379 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:03:16,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:03:16,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:03:16,386 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:03:16,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:03:16,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:03:16,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:03:16,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:03:16,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:03:16,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:03:16,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:03:16,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:03:16,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:03:16,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:03:16,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:03:16,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:03:16,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:03:16,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:03:16,424 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:03:16,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:03:16,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:03:16,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:03:16,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:03:16,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:03:16,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:03:16,430 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c18ca159-95a5-441c-beeb-9884bd7fab43/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 04:03:16,477 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:03:16,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:03:16,480 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:03:16,480 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:03:16,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:03:16,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:03:16,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:03:16,482 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:03:16,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:03:16,483 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:03:16,486 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:03:16,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:03:16,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:03:16,487 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:03:16,487 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:03:16,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:03:16,488 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:03:16,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:03:16,488 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:03:16,488 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:03:16,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:03:16,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:03:16,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:03:16,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:03:16,490 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:03:16,490 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:03:16,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:03:16,491 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:03:16,491 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_c18ca159-95a5-441c-beeb-9884bd7fab43/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c18ca159-95a5-441c-beeb-9884bd7fab43/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2409cd2f018515417b0b6bf5d396e4bc80c02540769112137ebf388167bdf776 [2021-10-29 04:03:16,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:03:16,843 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:03:16,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:03:16,847 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:03:16,848 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:03:16,850 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c18ca159-95a5-441c-beeb-9884bd7fab43/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/recursive-simple/id_i25_o25-1.c [2021-10-29 04:03:16,927 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c18ca159-95a5-441c-beeb-9884bd7fab43/bin/ukojak-Rh5K9KB4LI/data/b2db49842/cb9c4fc84eeb4c82aa5f224e9838f195/FLAGe4d4c558f [2021-10-29 04:03:17,393 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:03:17,393 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c18ca159-95a5-441c-beeb-9884bd7fab43/sv-benchmarks/c/recursive-simple/id_i25_o25-1.c [2021-10-29 04:03:17,400 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c18ca159-95a5-441c-beeb-9884bd7fab43/bin/ukojak-Rh5K9KB4LI/data/b2db49842/cb9c4fc84eeb4c82aa5f224e9838f195/FLAGe4d4c558f [2021-10-29 04:03:17,782 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c18ca159-95a5-441c-beeb-9884bd7fab43/bin/ukojak-Rh5K9KB4LI/data/b2db49842/cb9c4fc84eeb4c82aa5f224e9838f195 [2021-10-29 04:03:17,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:03:17,787 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:03:17,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:03:17,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:03:17,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:03:17,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:03:17" (1/1) ... [2021-10-29 04:03:17,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23327ac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:03:17, skipping insertion in model container [2021-10-29 04:03:17,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:03:17" (1/1) ... [2021-10-29 04:03:17,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:03:17,829 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:03:18,026 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c18ca159-95a5-441c-beeb-9884bd7fab43/sv-benchmarks/c/recursive-simple/id_i25_o25-1.c[454,467] [2021-10-29 04:03:18,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:03:18,038 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:03:18,052 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c18ca159-95a5-441c-beeb-9884bd7fab43/sv-benchmarks/c/recursive-simple/id_i25_o25-1.c[454,467] [2021-10-29 04:03:18,053 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:03:18,065 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:03:18,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:03:18 WrapperNode [2021-10-29 04:03:18,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:03:18,068 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:03:18,068 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:03:18,068 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:03:18,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:03:18" (1/1) ... [2021-10-29 04:03:18,087 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:03:18" (1/1) ... [2021-10-29 04:03:18,109 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:03:18,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:03:18,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:03:18,111 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:03:18,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:03:18" (1/1) ... [2021-10-29 04:03:18,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:03:18" (1/1) ... [2021-10-29 04:03:18,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:03:18" (1/1) ... [2021-10-29 04:03:18,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:03:18" (1/1) ... [2021-10-29 04:03:18,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:03:18" (1/1) ... [2021-10-29 04:03:18,141 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:03:18" (1/1) ... [2021-10-29 04:03:18,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:03:18" (1/1) ... [2021-10-29 04:03:18,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:03:18,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:03:18,155 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:03:18,155 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:03:18,157 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:03:18" (1/1) ... [2021-10-29 04:03:18,167 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:03:18,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c18ca159-95a5-441c-beeb-9884bd7fab43/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:03:18,195 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c18ca159-95a5-441c-beeb-9884bd7fab43/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:03:18,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c18ca159-95a5-441c-beeb-9884bd7fab43/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:03:18,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:03:18,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:03:18,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:03:18,264 INFO L130 BoogieDeclarations]: Found specification of procedure id [2021-10-29 04:03:18,266 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2021-10-29 04:03:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:03:18,510 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:03:18,522 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-29 04:03:18,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:03:18 BoogieIcfgContainer [2021-10-29 04:03:18,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:03:18,527 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:03:18,527 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:03:18,539 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:03:18,540 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:03:18" (1/1) ... [2021-10-29 04:03:18,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:03:18,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:18,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-10-29 04:03:18,586 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-10-29 04:03:18,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 04:03:18,591 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:18,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:18,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:18,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:03:18,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:18,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 18 transitions. [2021-10-29 04:03:18,912 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2021-10-29 04:03:18,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 04:03:18,913 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:18,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:18,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:18,987 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 04:03:19,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:19,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 23 transitions. [2021-10-29 04:03:19,172 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2021-10-29 04:03:19,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-29 04:03:19,173 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:19,173 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:19,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:19,333 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-10-29 04:03:19,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:19,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 29 transitions. [2021-10-29 04:03:19,493 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2021-10-29 04:03:19,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-10-29 04:03:19,494 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:19,494 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:19,595 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-29 04:03:19,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:19,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 25 states and 36 transitions. [2021-10-29 04:03:19,733 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2021-10-29 04:03:19,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-10-29 04:03:19,737 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:19,738 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:19,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:19,869 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-29 04:03:19,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:19,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 28 states and 44 transitions. [2021-10-29 04:03:19,978 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2021-10-29 04:03:19,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-10-29 04:03:19,980 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:19,980 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:20,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:20,073 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-10-29 04:03:20,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:20,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 31 states and 53 transitions. [2021-10-29 04:03:20,195 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2021-10-29 04:03:20,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-10-29 04:03:20,197 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:20,198 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:20,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:20,288 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-10-29 04:03:20,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:20,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 34 states and 63 transitions. [2021-10-29 04:03:20,415 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 63 transitions. [2021-10-29 04:03:20,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-10-29 04:03:20,417 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:20,417 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:20,510 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-10-29 04:03:20,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:20,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 37 states and 74 transitions. [2021-10-29 04:03:20,674 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 74 transitions. [2021-10-29 04:03:20,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-29 04:03:20,681 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:20,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:20,822 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-10-29 04:03:20,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:20,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 40 states and 86 transitions. [2021-10-29 04:03:20,973 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2021-10-29 04:03:20,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-10-29 04:03:20,974 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:20,975 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:21,079 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2021-10-29 04:03:21,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:21,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 43 states and 99 transitions. [2021-10-29 04:03:21,233 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 99 transitions. [2021-10-29 04:03:21,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-10-29 04:03:21,235 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:21,235 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:21,334 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-10-29 04:03:21,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:21,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 46 states and 113 transitions. [2021-10-29 04:03:21,506 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 113 transitions. [2021-10-29 04:03:21,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-10-29 04:03:21,513 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:21,514 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:21,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:21,716 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2021-10-29 04:03:21,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:21,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 49 states and 128 transitions. [2021-10-29 04:03:21,897 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 128 transitions. [2021-10-29 04:03:21,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-10-29 04:03:21,898 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:21,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:22,045 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-10-29 04:03:22,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:22,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 52 states and 144 transitions. [2021-10-29 04:03:22,222 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 144 transitions. [2021-10-29 04:03:22,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-10-29 04:03:22,231 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:22,232 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:22,370 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2021-10-29 04:03:22,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:22,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 55 states and 161 transitions. [2021-10-29 04:03:22,568 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 161 transitions. [2021-10-29 04:03:22,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-10-29 04:03:22,573 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:22,578 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:22,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:22,742 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2021-10-29 04:03:22,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:22,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 58 states and 179 transitions. [2021-10-29 04:03:22,948 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 179 transitions. [2021-10-29 04:03:22,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-10-29 04:03:22,950 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:22,950 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:22,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:23,089 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2021-10-29 04:03:23,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:23,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 61 states and 198 transitions. [2021-10-29 04:03:23,288 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 198 transitions. [2021-10-29 04:03:23,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-10-29 04:03:23,289 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:23,289 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:23,430 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2021-10-29 04:03:23,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:23,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 64 states and 218 transitions. [2021-10-29 04:03:23,648 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 218 transitions. [2021-10-29 04:03:23,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-10-29 04:03:23,651 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:23,652 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:23,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:23,805 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2021-10-29 04:03:24,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:24,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 67 states and 239 transitions. [2021-10-29 04:03:24,055 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 239 transitions. [2021-10-29 04:03:24,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-10-29 04:03:24,057 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:24,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:24,206 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2021-10-29 04:03:24,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:24,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 70 states and 261 transitions. [2021-10-29 04:03:24,459 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 261 transitions. [2021-10-29 04:03:24,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-10-29 04:03:24,461 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:24,461 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:24,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2021-10-29 04:03:24,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:24,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 73 states and 284 transitions. [2021-10-29 04:03:24,853 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 284 transitions. [2021-10-29 04:03:24,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-10-29 04:03:24,865 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:24,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:24,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:25,012 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2021-10-29 04:03:25,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:25,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 76 states and 308 transitions. [2021-10-29 04:03:25,284 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 308 transitions. [2021-10-29 04:03:25,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-10-29 04:03:25,285 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:25,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:25,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2021-10-29 04:03:25,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:25,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 79 states and 333 transitions. [2021-10-29 04:03:25,781 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 333 transitions. [2021-10-29 04:03:25,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-10-29 04:03:25,782 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:25,783 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:25,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 737 refuted. 0 times theorem prover too weak. 737 trivial. 0 not checked. [2021-10-29 04:03:26,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:26,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 82 states and 359 transitions. [2021-10-29 04:03:26,290 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 359 transitions. [2021-10-29 04:03:26,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-10-29 04:03:26,292 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:26,292 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:26,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:26,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1610 backedges. 0 proven. 805 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2021-10-29 04:03:26,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:26,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 85 states and 386 transitions. [2021-10-29 04:03:26,829 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 386 transitions. [2021-10-29 04:03:26,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-10-29 04:03:26,831 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:26,831 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:27,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 0 proven. 876 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2021-10-29 04:03:27,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:27,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 88 states and 414 transitions. [2021-10-29 04:03:27,366 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 414 transitions. [2021-10-29 04:03:27,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-10-29 04:03:27,368 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:27,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:31,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1900 backedges. 0 proven. 950 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2021-10-29 04:03:57,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:03:57,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2126 states to 167 states and 1144 transitions. [2021-10-29 04:03:57,935 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 1144 transitions. [2021-10-29 04:03:57,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-10-29 04:03:57,939 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:03:57,939 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:03:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:03:59,348 INFO L134 CoverageAnalysis]: Checked inductivity of 2054 backedges. 1027 proven. 0 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2021-10-29 04:04:05,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:04:05,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2296 states to 89 states and 91 transitions. [2021-10-29 04:04:05,071 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 91 transitions. [2021-10-29 04:04:05,072 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 04:04:05,072 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 28 iterations. [2021-10-29 04:04:05,078 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 04:04:05,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:04:05 ImpRootNode [2021-10-29 04:04:05,880 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:04:05,881 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:04:05,881 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:04:05,881 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:04:05,881 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:03:18" (3/4) ... [2021-10-29 04:04:05,884 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 04:04:05,890 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2021-10-29 04:04:05,894 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-10-29 04:04:05,894 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 04:04:05,894 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:04:05,895 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 04:04:05,928 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c18ca159-95a5-441c-beeb-9884bd7fab43/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:04:05,928 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:04:05,930 INFO L168 Benchmark]: Toolchain (without parser) took 48141.69 ms. Allocated memory was 88.1 MB in the beginning and 352.3 MB in the end (delta: 264.2 MB). Free memory was 51.7 MB in the beginning and 151.8 MB in the end (delta: -100.1 MB). Peak memory consumption was 165.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:04:05,930 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 88.1 MB. Free memory is still 68.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:04:05,931 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.93 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 51.5 MB in the beginning and 92.0 MB in the end (delta: -40.5 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:04:05,932 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.09 ms. Allocated memory is still 115.3 MB. Free memory was 92.0 MB in the beginning and 90.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:04:05,933 INFO L168 Benchmark]: Boogie Preprocessor took 42.13 ms. Allocated memory is still 115.3 MB. Free memory was 90.4 MB in the beginning and 89.5 MB in the end (delta: 853.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:04:05,933 INFO L168 Benchmark]: RCFGBuilder took 371.15 ms. Allocated memory is still 115.3 MB. Free memory was 89.5 MB in the beginning and 79.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:04:05,934 INFO L168 Benchmark]: CodeCheck took 47353.34 ms. Allocated memory was 115.3 MB in the beginning and 352.3 MB in the end (delta: 237.0 MB). Free memory was 79.7 MB in the beginning and 153.9 MB in the end (delta: -74.1 MB). Peak memory consumption was 163.6 MB. Max. memory is 16.1 GB. [2021-10-29 04:04:05,935 INFO L168 Benchmark]: Witness Printer took 47.52 ms. Allocated memory is still 352.3 MB. Free memory was 153.9 MB in the beginning and 151.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 04:04:05,938 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 46.5s, OverallIterations: 28, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 939524104 SDtfs, 872415420 SDslu, 1409286512 SDs, 0 SdLazy, -268419604 SolverSat, 805311580 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50831 GetRequests, 48769 SyntacticMatches, 1622 SemanticMatches, 440 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78774 ImplicationChecksByTransitivity, 33.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 8.0s InterpolantComputationTime, 2349 NumberOfCodeBlocks, 2349 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 2322 ConstructedInterpolants, 0 QuantifiedInterpolants, 6252 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 2 PerfectInterpolantSequences, 10504/18954 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 15]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 88.1 MB. Free memory is still 68.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 277.93 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 51.5 MB in the beginning and 92.0 MB in the end (delta: -40.5 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.09 ms. Allocated memory is still 115.3 MB. Free memory was 92.0 MB in the beginning and 90.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.13 ms. Allocated memory is still 115.3 MB. Free memory was 90.4 MB in the beginning and 89.5 MB in the end (delta: 853.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 371.15 ms. Allocated memory is still 115.3 MB. Free memory was 89.5 MB in the beginning and 79.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 47353.34 ms. Allocated memory was 115.3 MB in the beginning and 352.3 MB in the end (delta: 237.0 MB). Free memory was 79.7 MB in the beginning and 153.9 MB in the end (delta: -74.1 MB). Peak memory consumption was 163.6 MB. Max. memory is 16.1 GB. * Witness Printer took 47.52 ms. Allocated memory is still 352.3 MB. Free memory was 153.9 MB in the beginning and 151.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 04:04:06,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c18ca159-95a5-441c-beeb-9884bd7fab43/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...