./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label49.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_5a33a1f2-971c-4924-b20d-4bac5cbf5ea6/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a33a1f2-971c-4924-b20d-4bac5cbf5ea6/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_5a33a1f2-971c-4924-b20d-4bac5cbf5ea6/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a33a1f2-971c-4924-b20d-4bac5cbf5ea6/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label49.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a33a1f2-971c-4924-b20d-4bac5cbf5ea6/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_5a33a1f2-971c-4924-b20d-4bac5cbf5ea6/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 c9eb90925d47f37111e721f09771224a790dabc9ce225b22a0b9e014b4a14c96 --- 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 02:34:09,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:34:09,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:34:09,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:34:09,496 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:34:09,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:34:09,498 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:34:09,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:34:09,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:34:09,502 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:34:09,503 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:34:09,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:34:09,504 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:34:09,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:34:09,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:34:09,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:34:09,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:34:09,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:34:09,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:34:09,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:34:09,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:34:09,514 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:34:09,515 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:34:09,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:34:09,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:34:09,520 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:34:09,520 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:34:09,521 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:34:09,521 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:34:09,522 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:34:09,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:34:09,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:34:09,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:34:09,524 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:34:09,525 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:34:09,525 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:34:09,526 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:34:09,526 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:34:09,526 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:34:09,527 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:34:09,528 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:34:09,529 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a33a1f2-971c-4924-b20d-4bac5cbf5ea6/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 02:34:09,547 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:34:09,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:34:09,548 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:34:09,548 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:34:09,549 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:34:09,549 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:34:09,549 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:34:09,549 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 02:34:09,550 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 02:34:09,550 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 02:34:09,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:34:09,550 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:34:09,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:34:09,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:34:09,550 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 02:34:09,550 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:34:09,550 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:34:09,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:34:09,551 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:34:09,551 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:34:09,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:34:09,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:34:09,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:34:09,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:34:09,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:34:09,551 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 02:34:09,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 02:34:09,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:34:09,552 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_5a33a1f2-971c-4924-b20d-4bac5cbf5ea6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a33a1f2-971c-4924-b20d-4bac5cbf5ea6/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9eb90925d47f37111e721f09771224a790dabc9ce225b22a0b9e014b4a14c96 [2022-12-15 02:34:09,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:34:09,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:34:09,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:34:09,754 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:34:09,755 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:34:09,756 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a33a1f2-971c-4924-b20d-4bac5cbf5ea6/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem10_label49.c [2022-12-15 02:34:12,348 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:34:12,534 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:34:12,535 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a33a1f2-971c-4924-b20d-4bac5cbf5ea6/sv-benchmarks/c/eca-rers2012/Problem10_label49.c [2022-12-15 02:34:12,543 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a33a1f2-971c-4924-b20d-4bac5cbf5ea6/bin/ukojak-rkRKPMF4O4/data/b0d085f6d/faeb7daf55494c33bb3d3a12ba18cbfa/FLAG004c34150 [2022-12-15 02:34:12,912 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a33a1f2-971c-4924-b20d-4bac5cbf5ea6/bin/ukojak-rkRKPMF4O4/data/b0d085f6d/faeb7daf55494c33bb3d3a12ba18cbfa [2022-12-15 02:34:12,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:34:12,917 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:34:12,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:34:12,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:34:12,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:34:12,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:34:12" (1/1) ... [2022-12-15 02:34:12,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a8c9fb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:34:12, skipping insertion in model container [2022-12-15 02:34:12,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:34:12" (1/1) ... [2022-12-15 02:34:12,937 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:34:12,986 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:34:13,121 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_5a33a1f2-971c-4924-b20d-4bac5cbf5ea6/sv-benchmarks/c/eca-rers2012/Problem10_label49.c[2714,2727] [2022-12-15 02:34:13,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:34:13,233 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:34:13,246 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_5a33a1f2-971c-4924-b20d-4bac5cbf5ea6/sv-benchmarks/c/eca-rers2012/Problem10_label49.c[2714,2727] [2022-12-15 02:34:13,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:34:13,299 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:34:13,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:34:13 WrapperNode [2022-12-15 02:34:13,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:34:13,300 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:34:13,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:34:13,300 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:34:13,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:34:13" (1/1) ... [2022-12-15 02:34:13,322 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:34:13" (1/1) ... [2022-12-15 02:34:13,372 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2022-12-15 02:34:13,372 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:34:13,373 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:34:13,373 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:34:13,373 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:34:13,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:34:13" (1/1) ... [2022-12-15 02:34:13,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:34:13" (1/1) ... [2022-12-15 02:34:13,387 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:34:13" (1/1) ... [2022-12-15 02:34:13,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:34:13" (1/1) ... [2022-12-15 02:34:13,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:34:13" (1/1) ... [2022-12-15 02:34:13,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:34:13" (1/1) ... [2022-12-15 02:34:13,412 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:34:13" (1/1) ... [2022-12-15 02:34:13,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:34:13" (1/1) ... [2022-12-15 02:34:13,422 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:34:13,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:34:13,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:34:13,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:34:13,423 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:34:13" (1/1) ... [2022-12-15 02:34:13,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:34:13,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a33a1f2-971c-4924-b20d-4bac5cbf5ea6/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:34:13,447 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a33a1f2-971c-4924-b20d-4bac5cbf5ea6/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:34:13,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a33a1f2-971c-4924-b20d-4bac5cbf5ea6/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:34:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 02:34:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 02:34:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:34:13,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:34:13,555 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:34:13,557 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:34:14,318 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:34:15,886 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:34:15,886 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 02:34:15,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:34:15 BoogieIcfgContainer [2022-12-15 02:34:15,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 02:34:15,889 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 02:34:15,889 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 02:34:15,896 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 02:34:15,896 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:34:15" (1/1) ... [2022-12-15 02:34:15,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 02:34:15,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:34:15,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-12-15 02:34:15,949 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-12-15 02:34:15,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 02:34:15,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:34:15,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:34:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:34:16,090 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 02:34:16,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:34:16,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-12-15 02:34:16,149 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-12-15 02:34:16,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 02:34:16,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:34:16,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:34:16,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:34:22,854 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 02:34:23,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:34:23,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2022-12-15 02:34:23,184 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2022-12-15 02:34:23,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 02:34:23,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:34:23,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:34:23,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:34:42,810 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 02:34:43,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:34:43,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 54 transitions. [2022-12-15 02:34:43,896 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 54 transitions. [2022-12-15 02:34:43,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 02:34:43,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:34:43,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:34:43,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:35:03,223 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 02:35:03,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:35:03,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2022-12-15 02:35:03,738 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2022-12-15 02:35:03,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 02:35:03,738 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:35:03,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:35:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:35:14,870 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 02:35:15,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:35:15,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 37 states and 72 transitions. [2022-12-15 02:35:15,766 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 72 transitions. [2022-12-15 02:35:15,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 02:35:15,766 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:35:15,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:35:15,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:35:26,821 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 02:35:27,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:35:27,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 75 transitions. [2022-12-15 02:35:27,056 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 75 transitions. [2022-12-15 02:35:27,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 02:35:27,056 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:35:27,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:35:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:35:38,067 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 02:35:38,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:35:38,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 42 states and 79 transitions. [2022-12-15 02:35:38,354 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 79 transitions. [2022-12-15 02:35:38,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 02:35:38,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:35:38,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:35:38,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:35:52,311 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-15 02:35:52,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:35:52,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 30 states and 56 transitions. [2022-12-15 02:35:52,644 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 56 transitions. [2022-12-15 02:35:52,644 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 02:35:52,644 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-12-15 02:35:52,649 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-15 02:35:52,940 INFO L560 CodeCheckObserver]: Invariant with dag size 26 [2022-12-15 02:35:52,948 INFO L560 CodeCheckObserver]: Invariant with dag size 18 [2022-12-15 02:35:52,948 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 02:35:52,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 02:35:52 ImpRootNode [2022-12-15 02:35:52,949 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 02:35:52,949 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 02:35:52,949 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 02:35:52,949 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 02:35:52,950 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:34:15" (3/4) ... [2022-12-15 02:35:52,952 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 02:35:52,963 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 184 nodes and edges [2022-12-15 02:35:52,964 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-12-15 02:35:52,964 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-15 02:35:52,965 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 02:35:53,033 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a33a1f2-971c-4924-b20d-4bac5cbf5ea6/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 02:35:53,033 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 02:35:53,033 INFO L158 Benchmark]: Toolchain (without parser) took 100116.83ms. Allocated memory was 138.4MB in the beginning and 1.0GB in the end (delta: 861.9MB). Free memory was 106.3MB in the beginning and 404.5MB in the end (delta: -298.3MB). Peak memory consumption was 563.3MB. Max. memory is 16.1GB. [2022-12-15 02:35:53,034 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 138.4MB. Free memory is still 113.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:35:53,034 INFO L158 Benchmark]: CACSL2BoogieTranslator took 380.75ms. Allocated memory is still 138.4MB. Free memory was 105.8MB in the beginning and 79.0MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-15 02:35:53,034 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.45ms. Allocated memory is still 138.4MB. Free memory was 78.6MB in the beginning and 70.6MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-15 02:35:53,034 INFO L158 Benchmark]: Boogie Preprocessor took 49.03ms. Allocated memory is still 138.4MB. Free memory was 70.6MB in the beginning and 66.0MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 02:35:53,034 INFO L158 Benchmark]: RCFGBuilder took 2466.22ms. Allocated memory was 138.4MB in the beginning and 245.4MB in the end (delta: 107.0MB). Free memory was 66.0MB in the beginning and 144.7MB in the end (delta: -78.7MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. [2022-12-15 02:35:53,035 INFO L158 Benchmark]: CodeCheck took 97059.63ms. Allocated memory was 245.4MB in the beginning and 1.0GB in the end (delta: 755.0MB). Free memory was 144.7MB in the beginning and 415.0MB in the end (delta: -270.3MB). Peak memory consumption was 483.6MB. Max. memory is 16.1GB. [2022-12-15 02:35:53,035 INFO L158 Benchmark]: Witness Printer took 83.96ms. Allocated memory is still 1.0GB. Free memory was 415.0MB in the beginning and 404.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 02:35:53,036 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: 96.7s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 327 SdHoareTripleChecker+Valid, 6.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 275 mSDsluCounter, 332 SdHoareTripleChecker+Invalid, 6.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 200 mSDsCounter, 172 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 891 IncrementalHoareTripleChecker+Invalid, 1063 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 172 mSolverCounterUnsat, 132 mSDtfsCounter, 891 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1119 GetRequests, 973 SyntacticMatches, 58 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3597 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 92.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 1576 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 60/122 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: 80]: 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: 592]: Loop Invariant Derived loop invariant: (((!(a10 == 2) && 14 == a4) && a12 == 0) || (((a1 <= 38 || 219 <= a1) && 14 == a4) && a12 == 0)) || (((a19 <= 7 || 9 <= a19) && 14 == a4) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((!(a10 == 2) || a19 <= 7) || !(a19 <= 8)) && 14 == a4) && a12 == 0 - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 138.4MB. Free memory is still 113.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 380.75ms. Allocated memory is still 138.4MB. Free memory was 105.8MB in the beginning and 79.0MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.45ms. Allocated memory is still 138.4MB. Free memory was 78.6MB in the beginning and 70.6MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.03ms. Allocated memory is still 138.4MB. Free memory was 70.6MB in the beginning and 66.0MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2466.22ms. Allocated memory was 138.4MB in the beginning and 245.4MB in the end (delta: 107.0MB). Free memory was 66.0MB in the beginning and 144.7MB in the end (delta: -78.7MB). Peak memory consumption was 92.3MB. Max. memory is 16.1GB. * CodeCheck took 97059.63ms. Allocated memory was 245.4MB in the beginning and 1.0GB in the end (delta: 755.0MB). Free memory was 144.7MB in the beginning and 415.0MB in the end (delta: -270.3MB). Peak memory consumption was 483.6MB. Max. memory is 16.1GB. * Witness Printer took 83.96ms. Allocated memory is still 1.0GB. Free memory was 415.0MB in the beginning and 404.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 02:35:53,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a33a1f2-971c-4924-b20d-4bac5cbf5ea6/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