./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label27.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_faf6ea9f-1125-4966-9c90-f619a0378644/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf6ea9f-1125-4966-9c90-f619a0378644/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_faf6ea9f-1125-4966-9c90-f619a0378644/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf6ea9f-1125-4966-9c90-f619a0378644/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label27.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf6ea9f-1125-4966-9c90-f619a0378644/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_faf6ea9f-1125-4966-9c90-f619a0378644/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 7c6f0a8bc653ee68bba5d1e7193079f2216382bf70b295e228b301f341587f5f --- 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 [2022-12-14 16:27:00,497 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 16:27:00,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 16:27:00,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 16:27:00,525 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 16:27:00,526 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 16:27:00,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 16:27:00,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 16:27:00,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 16:27:00,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 16:27:00,531 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 16:27:00,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 16:27:00,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 16:27:00,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 16:27:00,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 16:27:00,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 16:27:00,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 16:27:00,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 16:27:00,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 16:27:00,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 16:27:00,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 16:27:00,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 16:27:00,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 16:27:00,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 16:27:00,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 16:27:00,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 16:27:00,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 16:27:00,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 16:27:00,553 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 16:27:00,554 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 16:27:00,554 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 16:27:00,555 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 16:27:00,556 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 16:27:00,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 16:27:00,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 16:27:00,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 16:27:00,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 16:27:00,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 16:27:00,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 16:27:00,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 16:27:00,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 16:27:00,560 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf6ea9f-1125-4966-9c90-f619a0378644/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 16:27:00,577 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 16:27:00,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 16:27:00,578 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 16:27:00,579 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 16:27:00,579 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 16:27:00,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 16:27:00,580 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 16:27:00,580 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 16:27:00,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 16:27:00,580 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 16:27:00,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 16:27:00,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 16:27:00,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 16:27:00,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 16:27:00,581 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 16:27:00,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 16:27:00,581 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 16:27:00,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 16:27:00,581 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 16:27:00,582 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 16:27:00,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 16:27:00,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:27:00,582 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 16:27:00,582 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 16:27:00,582 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 16:27:00,582 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 16:27:00,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 16:27:00,583 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 16:27:00,583 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_faf6ea9f-1125-4966-9c90-f619a0378644/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf6ea9f-1125-4966-9c90-f619a0378644/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c6f0a8bc653ee68bba5d1e7193079f2216382bf70b295e228b301f341587f5f [2022-12-14 16:27:00,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 16:27:00,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 16:27:00,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 16:27:00,804 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 16:27:00,804 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 16:27:00,805 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf6ea9f-1125-4966-9c90-f619a0378644/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem11_label27.c [2022-12-14 16:27:03,396 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 16:27:03,599 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 16:27:03,599 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf6ea9f-1125-4966-9c90-f619a0378644/sv-benchmarks/c/eca-rers2012/Problem11_label27.c [2022-12-14 16:27:03,615 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf6ea9f-1125-4966-9c90-f619a0378644/bin/ukojak-rkRKPMF4O4/data/30f015c85/fa2c7c4080b74d1cbba9d2c39c89085f/FLAGfd07edc5c [2022-12-14 16:27:03,626 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf6ea9f-1125-4966-9c90-f619a0378644/bin/ukojak-rkRKPMF4O4/data/30f015c85/fa2c7c4080b74d1cbba9d2c39c89085f [2022-12-14 16:27:03,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 16:27:03,629 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 16:27:03,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 16:27:03,630 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 16:27:03,633 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 16:27:03,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:27:03" (1/1) ... [2022-12-14 16:27:03,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3207996e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:27:03, skipping insertion in model container [2022-12-14 16:27:03,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:27:03" (1/1) ... [2022-12-14 16:27:03,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 16:27:03,672 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 16:27:03,809 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_faf6ea9f-1125-4966-9c90-f619a0378644/sv-benchmarks/c/eca-rers2012/Problem11_label27.c[6152,6165] [2022-12-14 16:27:03,969 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:27:03,979 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 16:27:04,007 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_faf6ea9f-1125-4966-9c90-f619a0378644/sv-benchmarks/c/eca-rers2012/Problem11_label27.c[6152,6165] [2022-12-14 16:27:04,120 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:27:04,135 INFO L208 MainTranslator]: Completed translation [2022-12-14 16:27:04,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:27:04 WrapperNode [2022-12-14 16:27:04,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 16:27:04,141 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 16:27:04,141 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 16:27:04,141 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 16:27:04,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:27:04" (1/1) ... [2022-12-14 16:27:04,173 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:27:04" (1/1) ... [2022-12-14 16:27:04,246 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2022-12-14 16:27:04,246 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 16:27:04,247 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 16:27:04,247 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 16:27:04,247 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 16:27:04,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:27:04" (1/1) ... [2022-12-14 16:27:04,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:27:04" (1/1) ... [2022-12-14 16:27:04,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:27:04" (1/1) ... [2022-12-14 16:27:04,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:27:04" (1/1) ... [2022-12-14 16:27:04,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:27:04" (1/1) ... [2022-12-14 16:27:04,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:27:04" (1/1) ... [2022-12-14 16:27:04,299 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:27:04" (1/1) ... [2022-12-14 16:27:04,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:27:04" (1/1) ... [2022-12-14 16:27:04,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 16:27:04,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 16:27:04,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 16:27:04,318 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 16:27:04,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:27:04" (1/1) ... [2022-12-14 16:27:04,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 16:27:04,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf6ea9f-1125-4966-9c90-f619a0378644/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 16:27:04,343 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf6ea9f-1125-4966-9c90-f619a0378644/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 16:27:04,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf6ea9f-1125-4966-9c90-f619a0378644/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 16:27:04,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 16:27:04,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 16:27:04,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 16:27:04,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 16:27:04,441 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 16:27:04,443 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 16:27:05,669 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 16:27:09,661 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 16:27:09,661 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 16:27:09,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:27:09 BoogieIcfgContainer [2022-12-14 16:27:09,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 16:27:09,664 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 16:27:09,664 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 16:27:09,670 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 16:27:09,670 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:27:09" (1/1) ... [2022-12-14 16:27:09,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:27:09,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:27:09,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-12-14 16:27:09,712 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-12-14 16:27:09,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 16:27:09,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:27:09,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:27:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:27:09,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:27:10,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:27:10,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-12-14 16:27:10,780 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-12-14 16:27:10,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 16:27:10,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:27:10,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:27:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:27:39,797 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:27:40,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:27:40,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2022-12-14 16:27:40,336 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2022-12-14 16:27:40,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 16:27:40,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:27:40,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:27:40,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:29:23,249 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:29:24,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:29:24,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 30 states and 55 transitions. [2022-12-14 16:29:24,658 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 55 transitions. [2022-12-14 16:29:24,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 16:29:24,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:29:24,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:29:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:31:06,544 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:31:06,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:31:06,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2022-12-14 16:31:06,868 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2022-12-14 16:31:06,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 16:31:06,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:31:06,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:31:07,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:31:54,234 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 16:31:55,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:31:55,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2022-12-14 16:31:55,664 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2022-12-14 16:31:55,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 16:31:55,664 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:31:55,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:31:56,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:32:42,684 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 16:32:43,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:32:43,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 43 states and 80 transitions. [2022-12-14 16:32:43,122 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 80 transitions. [2022-12-14 16:32:43,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 16:32:43,123 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:32:43,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:32:43,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:33:30,136 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-14 16:33:30,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:33:30,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 46 states and 83 transitions. [2022-12-14 16:33:30,415 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2022-12-14 16:33:30,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-14 16:33:30,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 16:33:30,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:33:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:34:24,902 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-14 16:34:25,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 16:34:25,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 31 states and 59 transitions. [2022-12-14 16:34:25,168 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 59 transitions. [2022-12-14 16:34:25,168 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 16:34:25,168 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-12-14 16:34:25,177 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 16:34:25,573 INFO L560 CodeCheckObserver]: Invariant with dag size 37 [2022-12-14 16:34:25,582 INFO L560 CodeCheckObserver]: Invariant with dag size 37 [2022-12-14 16:34:25,583 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 16:34:25,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 04:34:25 ImpRootNode [2022-12-14 16:34:25,583 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 16:34:25,583 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 16:34:25,583 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 16:34:25,584 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 16:34:25,584 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:27:09" (3/4) ... [2022-12-14 16:34:25,586 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 16:34:25,600 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 257 nodes and edges [2022-12-14 16:34:25,600 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-12-14 16:34:25,601 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-14 16:34:25,602 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 16:34:25,678 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf6ea9f-1125-4966-9c90-f619a0378644/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 16:34:25,679 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 16:34:25,679 INFO L158 Benchmark]: Toolchain (without parser) took 442050.11ms. Allocated memory was 174.1MB in the beginning and 2.4GB in the end (delta: 2.3GB). Free memory was 107.9MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 383.0MB. Max. memory is 16.1GB. [2022-12-14 16:34:25,679 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 102.8MB. Free memory is still 66.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:34:25,679 INFO L158 Benchmark]: CACSL2BoogieTranslator took 509.94ms. Allocated memory is still 174.1MB. Free memory was 107.9MB in the beginning and 140.9MB in the end (delta: -33.1MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. [2022-12-14 16:34:25,680 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.34ms. Allocated memory is still 174.1MB. Free memory was 140.9MB in the beginning and 123.8MB in the end (delta: 17.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 16:34:25,680 INFO L158 Benchmark]: Boogie Preprocessor took 70.29ms. Allocated memory is still 174.1MB. Free memory was 123.8MB in the beginning and 114.7MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 16:34:25,680 INFO L158 Benchmark]: RCFGBuilder took 5345.42ms. Allocated memory was 174.1MB in the beginning and 620.8MB in the end (delta: 446.7MB). Free memory was 114.7MB in the beginning and 443.6MB in the end (delta: -328.9MB). Peak memory consumption was 427.8MB. Max. memory is 16.1GB. [2022-12-14 16:34:25,680 INFO L158 Benchmark]: CodeCheck took 435919.53ms. Allocated memory was 620.8MB in the beginning and 2.4GB in the end (delta: 1.8GB). Free memory was 443.6MB in the beginning and 2.0GB in the end (delta: -1.6GB). Peak memory consumption was 253.7MB. Max. memory is 16.1GB. [2022-12-14 16:34:25,680 INFO L158 Benchmark]: Witness Printer took 95.27ms. Allocated memory is still 2.4GB. Free memory was 2.0GB in the beginning and 2.0GB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 16:34:25,681 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: 435.5s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 383 SdHoareTripleChecker+Valid, 19.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 321 mSDsluCounter, 362 SdHoareTripleChecker+Invalid, 18.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 220 mSDsCounter, 140 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 913 IncrementalHoareTripleChecker+Invalid, 1053 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 140 mSolverCounterUnsat, 142 mSDtfsCounter, 913 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1129 GetRequests, 1025 SyntacticMatches, 44 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1572 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 426.8s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 2131 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: 142]: 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: 1044]: Loop Invariant Derived loop invariant: (((a3 == 1 && a8 == 15) && ((a29 <= 140 || a25 <= 11) || 13 <= a25)) || (((((a23 + 43 <= 0 || 139 <= a23) || !(a4 == 1)) || 246 <= a29) && a3 == 1) && a8 == 15)) || (((a4 == 1 && a23 <= 312) && 312 <= a23) && a29 <= 130) - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((a4 == 1 && a23 <= 312) && 312 <= a23) && a29 <= 130) || ((((((((a23 + 43 <= 0 || !(a23 <= 138)) || a29 <= 140) || a25 <= 11) || !(a4 == 1)) || 246 <= a29) || !(a25 <= 12)) && a3 == 1) && a8 == 15) - InvariantResult [Line: 1038]: 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 102.8MB. Free memory is still 66.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 509.94ms. Allocated memory is still 174.1MB. Free memory was 107.9MB in the beginning and 140.9MB in the end (delta: -33.1MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.34ms. Allocated memory is still 174.1MB. Free memory was 140.9MB in the beginning and 123.8MB in the end (delta: 17.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.29ms. Allocated memory is still 174.1MB. Free memory was 123.8MB in the beginning and 114.7MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 5345.42ms. Allocated memory was 174.1MB in the beginning and 620.8MB in the end (delta: 446.7MB). Free memory was 114.7MB in the beginning and 443.6MB in the end (delta: -328.9MB). Peak memory consumption was 427.8MB. Max. memory is 16.1GB. * CodeCheck took 435919.53ms. Allocated memory was 620.8MB in the beginning and 2.4GB in the end (delta: 1.8GB). Free memory was 443.6MB in the beginning and 2.0GB in the end (delta: -1.6GB). Peak memory consumption was 253.7MB. Max. memory is 16.1GB. * Witness Printer took 95.27ms. Allocated memory is still 2.4GB. Free memory was 2.0GB in the beginning and 2.0GB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 16:34:25,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_faf6ea9f-1125-4966-9c90-f619a0378644/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