./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label53.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_89f77f35-9d88-4227-895b-91d875d78ec6/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89f77f35-9d88-4227-895b-91d875d78ec6/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_89f77f35-9d88-4227-895b-91d875d78ec6/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89f77f35-9d88-4227-895b-91d875d78ec6/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label53.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89f77f35-9d88-4227-895b-91d875d78ec6/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_89f77f35-9d88-4227-895b-91d875d78ec6/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 701e1463647edc9b85a4510e73732e8fae9832885edcd79ec0113cacf754e2d5 --- 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 01:46:31,433 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 01:46:31,435 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 01:46:31,451 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 01:46:31,451 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 01:46:31,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 01:46:31,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 01:46:31,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 01:46:31,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 01:46:31,457 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 01:46:31,458 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 01:46:31,459 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 01:46:31,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 01:46:31,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 01:46:31,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 01:46:31,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 01:46:31,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 01:46:31,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 01:46:31,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 01:46:31,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 01:46:31,468 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 01:46:31,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 01:46:31,470 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 01:46:31,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 01:46:31,474 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 01:46:31,475 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 01:46:31,475 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 01:46:31,476 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 01:46:31,476 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 01:46:31,477 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 01:46:31,477 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 01:46:31,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 01:46:31,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 01:46:31,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 01:46:31,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 01:46:31,480 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 01:46:31,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 01:46:31,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 01:46:31,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 01:46:31,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 01:46:31,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 01:46:31,483 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89f77f35-9d88-4227-895b-91d875d78ec6/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 01:46:31,502 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 01:46:31,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 01:46:31,503 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 01:46:31,503 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 01:46:31,504 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 01:46:31,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 01:46:31,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 01:46:31,505 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 01:46:31,505 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 01:46:31,505 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 01:46:31,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 01:46:31,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 01:46:31,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 01:46:31,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 01:46:31,506 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 01:46:31,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 01:46:31,506 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 01:46:31,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 01:46:31,506 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 01:46:31,506 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 01:46:31,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 01:46:31,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:46:31,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 01:46:31,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 01:46:31,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 01:46:31,507 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 01:46:31,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 01:46:31,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 01:46:31,508 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_89f77f35-9d88-4227-895b-91d875d78ec6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89f77f35-9d88-4227-895b-91d875d78ec6/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 701e1463647edc9b85a4510e73732e8fae9832885edcd79ec0113cacf754e2d5 [2022-12-15 01:46:31,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 01:46:31,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 01:46:31,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 01:46:31,727 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 01:46:31,727 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 01:46:31,728 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89f77f35-9d88-4227-895b-91d875d78ec6/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem10_label53.c [2022-12-15 01:46:34,334 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 01:46:34,550 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 01:46:34,551 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89f77f35-9d88-4227-895b-91d875d78ec6/sv-benchmarks/c/eca-rers2012/Problem10_label53.c [2022-12-15 01:46:34,561 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89f77f35-9d88-4227-895b-91d875d78ec6/bin/ukojak-rkRKPMF4O4/data/dccc9d615/59517c3942d84f61930e85988dd70393/FLAG8f1432fe3 [2022-12-15 01:46:34,575 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89f77f35-9d88-4227-895b-91d875d78ec6/bin/ukojak-rkRKPMF4O4/data/dccc9d615/59517c3942d84f61930e85988dd70393 [2022-12-15 01:46:34,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 01:46:34,579 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 01:46:34,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 01:46:34,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 01:46:34,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 01:46:34,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:46:34" (1/1) ... [2022-12-15 01:46:34,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2acb10c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:46:34, skipping insertion in model container [2022-12-15 01:46:34,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 01:46:34" (1/1) ... [2022-12-15 01:46:34,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 01:46:34,620 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 01:46:34,749 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_89f77f35-9d88-4227-895b-91d875d78ec6/sv-benchmarks/c/eca-rers2012/Problem10_label53.c[4908,4921] [2022-12-15 01:46:34,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:46:34,851 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 01:46:34,869 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_89f77f35-9d88-4227-895b-91d875d78ec6/sv-benchmarks/c/eca-rers2012/Problem10_label53.c[4908,4921] [2022-12-15 01:46:34,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 01:46:34,929 INFO L208 MainTranslator]: Completed translation [2022-12-15 01:46:34,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:46:34 WrapperNode [2022-12-15 01:46:34,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 01:46:34,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 01:46:34,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 01:46:34,931 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 01:46:34,936 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:46:34" (1/1) ... [2022-12-15 01:46:34,948 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:46:34" (1/1) ... [2022-12-15 01:46:34,984 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2022-12-15 01:46:34,985 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 01:46:34,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 01:46:34,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 01:46:34,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 01:46:34,992 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:46:34" (1/1) ... [2022-12-15 01:46:34,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:46:34" (1/1) ... [2022-12-15 01:46:34,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:46:34" (1/1) ... [2022-12-15 01:46:34,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:46:34" (1/1) ... [2022-12-15 01:46:35,011 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:46:34" (1/1) ... [2022-12-15 01:46:35,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:46:34" (1/1) ... [2022-12-15 01:46:35,021 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:46:34" (1/1) ... [2022-12-15 01:46:35,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:46:34" (1/1) ... [2022-12-15 01:46:35,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 01:46:35,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 01:46:35,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 01:46:35,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 01:46:35,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 01:46:34" (1/1) ... [2022-12-15 01:46:35,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 01:46:35,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89f77f35-9d88-4227-895b-91d875d78ec6/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 01:46:35,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89f77f35-9d88-4227-895b-91d875d78ec6/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 01:46:35,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89f77f35-9d88-4227-895b-91d875d78ec6/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 01:46:35,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 01:46:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 01:46:35,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 01:46:35,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 01:46:35,150 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 01:46:35,152 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 01:46:35,955 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 01:46:37,312 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 01:46:37,312 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 01:46:37,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:46:37 BoogieIcfgContainer [2022-12-15 01:46:37,314 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 01:46:37,315 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 01:46:37,315 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 01:46:37,322 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 01:46:37,322 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:46:37" (1/1) ... [2022-12-15 01:46:37,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 01:46:37,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:46:37,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-12-15 01:46:37,365 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-12-15 01:46:37,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 01:46:37,366 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:46:37,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:46:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:46:37,544 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 01:46:37,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:46:37,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-12-15 01:46:37,602 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-12-15 01:46:37,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 01:46:37,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:46:37,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:46:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:46:44,167 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 01:46:44,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:46:44,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2022-12-15 01:46:44,501 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2022-12-15 01:46:44,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:46:44,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:46:44,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:46:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:46:51,597 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:46:52,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:46:52,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2022-12-15 01:46:52,259 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2022-12-15 01:46:52,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 01:46:52,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:46:52,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:46:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:46:58,865 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 01:46:59,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:46:59,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 47 transitions. [2022-12-15 01:46:59,139 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2022-12-15 01:46:59,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 01:46:59,139 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 01:46:59,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 01:46:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 01:47:08,467 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-15 01:47:08,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 01:47:08,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2022-12-15 01:47:08,840 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2022-12-15 01:47:08,840 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 01:47:08,840 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2022-12-15 01:47:08,845 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-15 01:47:09,029 INFO L560 CodeCheckObserver]: Invariant with dag size 26 [2022-12-15 01:47:09,038 INFO L560 CodeCheckObserver]: Invariant with dag size 23 [2022-12-15 01:47:09,038 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 01:47:09,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 01:47:09 ImpRootNode [2022-12-15 01:47:09,039 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 01:47:09,039 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 01:47:09,039 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 01:47:09,039 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 01:47:09,040 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 01:46:37" (3/4) ... [2022-12-15 01:47:09,042 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 01:47:09,052 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 184 nodes and edges [2022-12-15 01:47:09,053 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-12-15 01:47:09,054 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-12-15 01:47:09,054 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 01:47:09,122 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89f77f35-9d88-4227-895b-91d875d78ec6/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 01:47:09,123 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 01:47:09,123 INFO L158 Benchmark]: Toolchain (without parser) took 34544.46ms. Allocated memory was 140.5MB in the beginning and 1.0GB in the end (delta: 866.1MB). Free memory was 97.5MB in the beginning and 554.4MB in the end (delta: -457.0MB). Peak memory consumption was 409.7MB. Max. memory is 16.1GB. [2022-12-15 01:47:09,123 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 140.5MB. Free memory is still 111.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 01:47:09,124 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.70ms. Allocated memory is still 140.5MB. Free memory was 96.9MB in the beginning and 69.7MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-15 01:47:09,124 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.43ms. Allocated memory is still 140.5MB. Free memory was 69.7MB in the beginning and 61.9MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-15 01:47:09,124 INFO L158 Benchmark]: Boogie Preprocessor took 44.30ms. Allocated memory is still 140.5MB. Free memory was 61.9MB in the beginning and 57.2MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 01:47:09,124 INFO L158 Benchmark]: RCFGBuilder took 2284.17ms. Allocated memory was 140.5MB in the beginning and 205.5MB in the end (delta: 65.0MB). Free memory was 56.6MB in the beginning and 77.9MB in the end (delta: -21.2MB). Peak memory consumption was 81.0MB. Max. memory is 16.1GB. [2022-12-15 01:47:09,124 INFO L158 Benchmark]: CodeCheck took 31723.96ms. Allocated memory was 205.5MB in the beginning and 1.0GB in the end (delta: 801.1MB). Free memory was 77.9MB in the beginning and 564.9MB in the end (delta: -487.0MB). Peak memory consumption was 314.1MB. Max. memory is 16.1GB. [2022-12-15 01:47:09,125 INFO L158 Benchmark]: Witness Printer took 83.64ms. Allocated memory is still 1.0GB. Free memory was 564.9MB in the beginning and 554.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 01:47:09,127 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: 31.5s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 143 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 108 mSDsluCounter, 137 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 78 mSDsCounter, 64 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 306 IncrementalHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 64 mSolverCounterUnsat, 59 mSDtfsCounter, 306 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 524 GetRequests, 446 SyntacticMatches, 24 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1176 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 29.4s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 610 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 34/44 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: 140]: 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: (((14 == a4 && a12 == 0) && 9 <= a19) || ((14 == a4 && a12 == 0) && ((438172 + a1 <= 0 || a19 <= 7) || 592133 <= a1))) || ((14 == a4 && a12 == 0) && !(a10 == 3)) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (14 == a4 && a12 == 0) && (((a1 + 13 <= 0 || !(a19 == 8)) || !(a1 <= 218)) || !(a10 == 3)) - 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 0.17ms. Allocated memory is still 140.5MB. Free memory is still 111.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.70ms. Allocated memory is still 140.5MB. Free memory was 96.9MB in the beginning and 69.7MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.43ms. Allocated memory is still 140.5MB. Free memory was 69.7MB in the beginning and 61.9MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.30ms. Allocated memory is still 140.5MB. Free memory was 61.9MB in the beginning and 57.2MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2284.17ms. Allocated memory was 140.5MB in the beginning and 205.5MB in the end (delta: 65.0MB). Free memory was 56.6MB in the beginning and 77.9MB in the end (delta: -21.2MB). Peak memory consumption was 81.0MB. Max. memory is 16.1GB. * CodeCheck took 31723.96ms. Allocated memory was 205.5MB in the beginning and 1.0GB in the end (delta: 801.1MB). Free memory was 77.9MB in the beginning and 564.9MB in the end (delta: -487.0MB). Peak memory consumption was 314.1MB. Max. memory is 16.1GB. * Witness Printer took 83.64ms. Allocated memory is still 1.0GB. Free memory was 564.9MB in the beginning and 554.4MB 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 01:47:09,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89f77f35-9d88-4227-895b-91d875d78ec6/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