./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/cggmp2005.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a561588-ed72-4b9f-a678-6fccb9a146e0/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a561588-ed72-4b9f-a678-6fccb9a146e0/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a561588-ed72-4b9f-a678-6fccb9a146e0/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a561588-ed72-4b9f-a678-6fccb9a146e0/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/cggmp2005.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a561588-ed72-4b9f-a678-6fccb9a146e0/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a561588-ed72-4b9f-a678-6fccb9a146e0/bin/ukojak-92XMlrwhuB --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 d9c82f96058e75055db08c6be05f7339c74a06f1004576b8854261e31deb5a7c --- 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-dbf71c6-m [2022-10-17 17:07:33,522 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:07:33,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:07:33,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:07:33,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:07:33,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:07:33,588 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:07:33,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:07:33,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:07:33,603 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:07:33,604 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:07:33,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:07:33,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:07:33,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:07:33,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:07:33,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:07:33,621 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:07:33,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:07:33,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:07:33,633 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:07:33,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:07:33,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:07:33,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:07:33,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:07:33,649 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:07:33,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:07:33,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:07:33,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:07:33,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:07:33,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:07:33,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:07:33,658 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:07:33,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:07:33,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:07:33,664 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:07:33,665 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:07:33,666 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:07:33,666 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:07:33,666 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:07:33,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:07:33,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:07:33,669 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a561588-ed72-4b9f-a678-6fccb9a146e0/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:07:33,715 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:07:33,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:07:33,716 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:07:33,717 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:07:33,717 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:07:33,718 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:07:33,718 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:07:33,718 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:07:33,719 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:07:33,719 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:07:33,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:07:33,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:07:33,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:07:33,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:07:33,721 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:07:33,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:07:33,721 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:07:33,721 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:07:33,722 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:07:33,722 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:07:33,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:07:33,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:07:33,723 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:07:33,723 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:07:33,723 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:07:33,723 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:07:33,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:07:33,725 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:07:33,725 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_7a561588-ed72-4b9f-a678-6fccb9a146e0/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a561588-ed72-4b9f-a678-6fccb9a146e0/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9c82f96058e75055db08c6be05f7339c74a06f1004576b8854261e31deb5a7c [2022-10-17 17:07:34,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:07:34,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:07:34,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:07:34,045 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:07:34,047 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:07:34,049 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a561588-ed72-4b9f-a678-6fccb9a146e0/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loop-lit/cggmp2005.i [2022-10-17 17:07:34,125 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a561588-ed72-4b9f-a678-6fccb9a146e0/bin/ukojak-92XMlrwhuB/data/f9a3bd9a1/9aabdcc0fba041da89912c0eae8366e5/FLAG2eaf0810c [2022-10-17 17:07:34,585 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:07:34,586 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a561588-ed72-4b9f-a678-6fccb9a146e0/sv-benchmarks/c/loop-lit/cggmp2005.i [2022-10-17 17:07:34,592 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a561588-ed72-4b9f-a678-6fccb9a146e0/bin/ukojak-92XMlrwhuB/data/f9a3bd9a1/9aabdcc0fba041da89912c0eae8366e5/FLAG2eaf0810c [2022-10-17 17:07:34,984 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a561588-ed72-4b9f-a678-6fccb9a146e0/bin/ukojak-92XMlrwhuB/data/f9a3bd9a1/9aabdcc0fba041da89912c0eae8366e5 [2022-10-17 17:07:34,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:07:34,991 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:07:34,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:07:34,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:07:34,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:07:35,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:07:34" (1/1) ... [2022-10-17 17:07:35,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5da01283 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:35, skipping insertion in model container [2022-10-17 17:07:35,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:07:34" (1/1) ... [2022-10-17 17:07:35,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:07:35,025 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:07:35,274 WARN L230 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_7a561588-ed72-4b9f-a678-6fccb9a146e0/sv-benchmarks/c/loop-lit/cggmp2005.i[895,908] [2022-10-17 17:07:35,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:07:35,302 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:07:35,316 WARN L230 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_7a561588-ed72-4b9f-a678-6fccb9a146e0/sv-benchmarks/c/loop-lit/cggmp2005.i[895,908] [2022-10-17 17:07:35,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:07:35,336 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:07:35,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:35 WrapperNode [2022-10-17 17:07:35,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:07:35,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:07:35,339 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:07:35,340 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:07:35,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:35" (1/1) ... [2022-10-17 17:07:35,358 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:35" (1/1) ... [2022-10-17 17:07:35,377 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 28 [2022-10-17 17:07:35,377 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:07:35,378 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:07:35,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:07:35,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:07:35,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:35" (1/1) ... [2022-10-17 17:07:35,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:35" (1/1) ... [2022-10-17 17:07:35,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:35" (1/1) ... [2022-10-17 17:07:35,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:35" (1/1) ... [2022-10-17 17:07:35,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:35" (1/1) ... [2022-10-17 17:07:35,393 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:35" (1/1) ... [2022-10-17 17:07:35,394 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:35" (1/1) ... [2022-10-17 17:07:35,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:35" (1/1) ... [2022-10-17 17:07:35,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:07:35,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:07:35,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:07:35,397 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:07:35,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:07:35" (1/1) ... [2022-10-17 17:07:35,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:07:35,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a561588-ed72-4b9f-a678-6fccb9a146e0/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:07:35,431 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a561588-ed72-4b9f-a678-6fccb9a146e0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:07:35,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a561588-ed72-4b9f-a678-6fccb9a146e0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:07:35,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:07:35,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:07:35,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:07:35,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:07:35,566 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:07:35,569 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:07:35,680 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:07:35,704 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:07:35,704 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 17:07:35,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:07:35 BoogieIcfgContainer [2022-10-17 17:07:35,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:07:35,708 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:07:35,708 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:07:35,718 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:07:35,718 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:07:35" (1/1) ... [2022-10-17 17:07:35,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:07:35,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:35,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2022-10-17 17:07:35,782 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2022-10-17 17:07:35,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 17:07:35,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:35,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:35,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:36,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:36,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:36,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2022-10-17 17:07:36,065 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2022-10-17 17:07:36,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 17:07:36,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:36,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:36,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:36,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:36,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-10-17 17:07:36,336 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-10-17 17:07:36,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:07:36,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:36,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:36,527 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:36,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:36,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2022-10-17 17:07:36,653 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2022-10-17 17:07:36,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:07:36,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:36,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:36,831 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:36,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:36,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2022-10-17 17:07:36,904 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2022-10-17 17:07:36,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:07:36,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:07:36,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:07:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:07:37,217 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:07:38,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:07:38,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 9 states and 8 transitions. [2022-10-17 17:07:38,090 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2022-10-17 17:07:38,090 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 17:07:38,090 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2022-10-17 17:07:38,102 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 17:07:38,153 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 17:07:38,160 INFO L560 CodeCheckObserver]: Invariant with dag size 33 [2022-10-17 17:07:38,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 05:07:38 ImpRootNode [2022-10-17 17:07:38,173 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 17:07:38,174 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 17:07:38,174 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 17:07:38,174 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 17:07:38,175 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:07:35" (3/4) ... [2022-10-17 17:07:38,179 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 17:07:38,189 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-10-17 17:07:38,190 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-10-17 17:07:38,190 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-10-17 17:07:38,190 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 17:07:38,246 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a561588-ed72-4b9f-a678-6fccb9a146e0/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 17:07:38,246 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 17:07:38,248 INFO L158 Benchmark]: Toolchain (without parser) took 3256.77ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 60.6MB in the beginning and 52.9MB in the end (delta: 7.7MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2022-10-17 17:07:38,249 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 96.5MB. Free memory was 68.7MB in the beginning and 68.7MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:07:38,251 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.94ms. Allocated memory is still 96.5MB. Free memory was 60.4MB in the beginning and 70.7MB in the end (delta: -10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 17:07:38,251 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.25ms. Allocated memory is still 96.5MB. Free memory was 70.7MB in the beginning and 69.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:07:38,252 INFO L158 Benchmark]: Boogie Preprocessor took 18.09ms. Allocated memory is still 96.5MB. Free memory was 69.2MB in the beginning and 68.3MB in the end (delta: 951.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:07:38,253 INFO L158 Benchmark]: RCFGBuilder took 309.90ms. Allocated memory is still 96.5MB. Free memory was 68.3MB in the beginning and 59.2MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 17:07:38,253 INFO L158 Benchmark]: CodeCheck took 2465.18ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 59.2MB in the beginning and 56.0MB in the end (delta: 3.2MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2022-10-17 17:07:38,254 INFO L158 Benchmark]: Witness Printer took 72.99ms. Allocated memory is still 117.4MB. Free memory was 55.0MB in the beginning and 52.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:07:38,262 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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 43 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 70 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 96 IncrementalHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 70 mSolverCounterUnsat, 15 mSDtfsCounter, 96 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 233 GetRequests, 184 SyntacticMatches, 3 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 771 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 104 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 3/20 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: 19]: 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: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: (((((j <= 8 && 5 <= i) && 3 + i <= j) || ((7 <= i && i <= j) && j <= 7)) || ((!(i <= j) && 5 < j) && j <= 6)) || ((j <= 10 && i == 1) && 10 <= j)) || ((6 + i <= j && j <= 9) && 3 <= i) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 96.5MB. Free memory was 68.7MB in the beginning and 68.7MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.94ms. Allocated memory is still 96.5MB. Free memory was 60.4MB in the beginning and 70.7MB in the end (delta: -10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.25ms. Allocated memory is still 96.5MB. Free memory was 70.7MB in the beginning and 69.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.09ms. Allocated memory is still 96.5MB. Free memory was 69.2MB in the beginning and 68.3MB in the end (delta: 951.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 309.90ms. Allocated memory is still 96.5MB. Free memory was 68.3MB in the beginning and 59.2MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 2465.18ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 59.2MB in the beginning and 56.0MB in the end (delta: 3.2MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * Witness Printer took 72.99ms. Allocated memory is still 117.4MB. Free memory was 55.0MB in the beginning and 52.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 17:07:38,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a561588-ed72-4b9f-a678-6fccb9a146e0/bin/ukojak-92XMlrwhuB/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