./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label11.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ece12949-48fb-4427-983d-f42bc0bfd38e/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ece12949-48fb-4427-983d-f42bc0bfd38e/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ece12949-48fb-4427-983d-f42bc0bfd38e/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ece12949-48fb-4427-983d-f42bc0bfd38e/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label11.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ece12949-48fb-4427-983d-f42bc0bfd38e/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ece12949-48fb-4427-983d-f42bc0bfd38e/bin/ukojak-rkRKPMF4O4 --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 ad24518eb48bdb2cd9eb62c6c7c8e6761cdaf552ed2e2f0623280cf19933d94d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 00:55:09,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:55:09,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:55:09,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:55:09,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:55:09,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:55:09,169 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:55:09,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:55:09,171 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:55:09,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:55:09,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:55:09,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:55:09,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:55:09,176 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:55:09,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:55:09,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:55:09,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:55:09,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:55:09,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:55:09,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:55:09,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:55:09,184 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:55:09,185 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:55:09,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:55:09,188 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:55:09,188 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:55:09,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:55:09,189 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:55:09,189 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:55:09,190 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:55:09,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:55:09,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:55:09,191 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:55:09,192 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:55:09,192 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:55:09,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:55:09,193 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:55:09,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:55:09,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:55:09,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:55:09,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:55:09,195 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ece12949-48fb-4427-983d-f42bc0bfd38e/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 00:55:09,208 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:55:09,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:55:09,208 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 00:55:09,208 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 00:55:09,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:55:09,218 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:55:09,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:55:09,219 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 00:55:09,219 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:55:09,219 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 00:55:09,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:55:09,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 00:55:09,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:55:09,220 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 00:55:09,220 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 00:55:09,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 00:55:09,220 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:55:09,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 00:55:09,221 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:55:09,221 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:55:09,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:55:09,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:55:09,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:55:09,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:55:09,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 00:55:09,222 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:55:09,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:55:09,222 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 00:55:09,223 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_ece12949-48fb-4427-983d-f42bc0bfd38e/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ece12949-48fb-4427-983d-f42bc0bfd38e/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad24518eb48bdb2cd9eb62c6c7c8e6761cdaf552ed2e2f0623280cf19933d94d [2022-12-15 00:55:09,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:55:09,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:55:09,425 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:55:09,426 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:55:09,426 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:55:09,428 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ece12949-48fb-4427-983d-f42bc0bfd38e/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem16_label11.c [2022-12-15 00:55:12,072 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:55:12,290 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:55:12,291 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ece12949-48fb-4427-983d-f42bc0bfd38e/sv-benchmarks/c/eca-rers2012/Problem16_label11.c [2022-12-15 00:55:12,302 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ece12949-48fb-4427-983d-f42bc0bfd38e/bin/ukojak-rkRKPMF4O4/data/f52d1d915/6b0ef8123ffe436b874d2b0ce8405292/FLAGd05b9a833 [2022-12-15 00:55:12,316 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ece12949-48fb-4427-983d-f42bc0bfd38e/bin/ukojak-rkRKPMF4O4/data/f52d1d915/6b0ef8123ffe436b874d2b0ce8405292 [2022-12-15 00:55:12,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:55:12,320 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:55:12,322 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:55:12,322 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:55:12,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:55:12,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:55:12" (1/1) ... [2022-12-15 00:55:12,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fe4c81a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:12, skipping insertion in model container [2022-12-15 00:55:12,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:55:12" (1/1) ... [2022-12-15 00:55:12,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:55:12,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:55:12,595 WARN L237 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_ece12949-48fb-4427-983d-f42bc0bfd38e/sv-benchmarks/c/eca-rers2012/Problem16_label11.c[5798,5811] [2022-12-15 00:55:12,858 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:55:12,868 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:55:12,890 WARN L237 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_ece12949-48fb-4427-983d-f42bc0bfd38e/sv-benchmarks/c/eca-rers2012/Problem16_label11.c[5798,5811] [2022-12-15 00:55:13,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:55:13,071 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:55:13,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:13 WrapperNode [2022-12-15 00:55:13,071 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:55:13,072 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:55:13,072 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:55:13,072 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:55:13,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:13" (1/1) ... [2022-12-15 00:55:13,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:13" (1/1) ... [2022-12-15 00:55:13,164 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1768 [2022-12-15 00:55:13,164 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:55:13,165 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:55:13,165 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:55:13,165 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:55:13,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:13" (1/1) ... [2022-12-15 00:55:13,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:13" (1/1) ... [2022-12-15 00:55:13,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:13" (1/1) ... [2022-12-15 00:55:13,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:13" (1/1) ... [2022-12-15 00:55:13,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:13" (1/1) ... [2022-12-15 00:55:13,243 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:13" (1/1) ... [2022-12-15 00:55:13,261 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:13" (1/1) ... [2022-12-15 00:55:13,266 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:13" (1/1) ... [2022-12-15 00:55:13,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:55:13,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:55:13,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:55:13,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:55:13,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:55:13" (1/1) ... [2022-12-15 00:55:13,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:55:13,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ece12949-48fb-4427-983d-f42bc0bfd38e/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:55:13,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ece12949-48fb-4427-983d-f42bc0bfd38e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:55:13,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ece12949-48fb-4427-983d-f42bc0bfd38e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:55:13,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:55:13,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 00:55:13,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:55:13,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:55:13,409 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:55:13,411 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:55:15,084 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:55:25,408 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:55:25,408 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 00:55:25,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:55:25 BoogieIcfgContainer [2022-12-15 00:55:25,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:55:25,411 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:55:25,411 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:55:25,417 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:55:25,418 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:55:25" (1/1) ... [2022-12-15 00:55:25,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 00:55:25,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:55:25,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-12-15 00:55:25,458 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-12-15 00:55:25,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 00:55:25,460 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:55:25,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:55:25,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:55:25,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:55:25,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:55:25,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-12-15 00:55:25,770 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-12-15 00:55:25,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 00:55:25,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:55:25,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:55:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:57:13,921 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:57:14,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:57:14,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2022-12-15 00:57:14,452 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2022-12-15 00:57:14,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 00:57:14,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:57:14,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:57:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:01:54,326 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:01:55,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:01:55,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 30 states and 51 transitions. [2022-12-15 01:01:55,732 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 51 transitions. [2022-12-15 01:01:55,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:01:55,732 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:01:55,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:01:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:06:33,970 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 01:06:34,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:06:34,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 56 transitions. [2022-12-15 01:06:34,316 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2022-12-15 01:06:34,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:06:34,316 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:06:34,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:06:34,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:09:19,644 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-15 01:09:29,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-15 01:09:30,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:09:30,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 54 transitions. [2022-12-15 01:09:30,107 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 54 transitions. [2022-12-15 01:09:30,108 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 01:09:30,108 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2022-12-15 01:09:30,113 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-15 01:09:30,356 INFO L560 CodeCheckObserver]: Invariant with dag size 19 [2022-12-15 01:09:30,364 INFO L560 CodeCheckObserver]: Invariant with dag size 21 [2022-12-15 01:09:30,365 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 01:09:30,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 01:09:30 ImpRootNode [2022-12-15 01:09:30,366 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 01:09:30,366 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 01:09:30,367 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 01:09:30,367 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 01:09:30,367 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:55:25" (3/4) ... [2022-12-15 01:09:30,370 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 01:09:30,396 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 376 nodes and edges [2022-12-15 01:09:30,397 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-12-15 01:09:30,399 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-12-15 01:09:30,401 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 01:09:30,531 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ece12949-48fb-4427-983d-f42bc0bfd38e/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 01:09:30,531 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 01:09:30,531 INFO L158 Benchmark]: Toolchain (without parser) took 858211.09ms. Allocated memory was 153.1MB in the beginning and 3.7GB in the end (delta: 3.6GB). Free memory was 112.8MB in the beginning and 2.7GB in the end (delta: -2.6GB). Peak memory consumption was 939.4MB. Max. memory is 16.1GB. [2022-12-15 01:09:30,531 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 153.1MB. Free memory is still 122.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:09:30,532 INFO L158 Benchmark]: CACSL2BoogieTranslator took 749.66ms. Allocated memory is still 153.1MB. Free memory was 112.8MB in the beginning and 113.3MB in the end (delta: -457.9kB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2022-12-15 01:09:30,532 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.67ms. Allocated memory is still 153.1MB. Free memory was 113.3MB in the beginning and 89.5MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-15 01:09:30,532 INFO L158 Benchmark]: Boogie Preprocessor took 122.08ms. Allocated memory is still 153.1MB. Free memory was 89.5MB in the beginning and 76.2MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-15 01:09:30,532 INFO L158 Benchmark]: RCFGBuilder took 12122.93ms. Allocated memory was 153.1MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 76.2MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2022-12-15 01:09:30,533 INFO L158 Benchmark]: CodeCheck took 844954.85ms. Allocated memory was 1.9GB in the beginning and 3.7GB in the end (delta: 1.9GB). Free memory was 1.3GB in the beginning and 2.8GB in the end (delta: -1.5GB). Peak memory consumption was 376.9MB. Max. memory is 16.1GB. [2022-12-15 01:09:30,533 INFO L158 Benchmark]: Witness Printer took 164.50ms. Allocated memory is still 3.7GB. Free memory was 2.8GB in the beginning and 2.7GB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-15 01:09:30,534 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 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 844.7s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 160 SdHoareTripleChecker+Valid, 15.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 134 mSDsluCounter, 155 SdHoareTripleChecker+Invalid, 15.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 90 mSDsCounter, 69 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 370 IncrementalHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 69 mSolverCounterUnsat, 65 mSDtfsCounter, 370 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 519 GetRequests, 466 SyntacticMatches, 5 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1072 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 830.2s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 813 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 21/44 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: 182]: 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 - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: ((((!(a15 == 3) || 9 <= a16) || a12 <= 7) || 9 <= a12) || a16 <= 7) || !(a18 + 156 <= 0) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((!(a12 <= 8) || !(a15 == 3)) || a12 <= 7) || a16 <= 7) || !(a18 + 156 <= 0)) || !(a16 <= 8) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 153.1MB. Free memory is still 122.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 749.66ms. Allocated memory is still 153.1MB. Free memory was 112.8MB in the beginning and 113.3MB in the end (delta: -457.9kB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.67ms. Allocated memory is still 153.1MB. Free memory was 113.3MB in the beginning and 89.5MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 122.08ms. Allocated memory is still 153.1MB. Free memory was 89.5MB in the beginning and 76.2MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 12122.93ms. Allocated memory was 153.1MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 76.2MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * CodeCheck took 844954.85ms. Allocated memory was 1.9GB in the beginning and 3.7GB in the end (delta: 1.9GB). Free memory was 1.3GB in the beginning and 2.8GB in the end (delta: -1.5GB). Peak memory consumption was 376.9MB. Max. memory is 16.1GB. * Witness Printer took 164.50ms. Allocated memory is still 3.7GB. Free memory was 2.8GB in the beginning and 2.7GB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 01:09:30,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ece12949-48fb-4427-983d-f42bc0bfd38e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE