./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0c0f4b-83ae-4f5a-8fe3-3b8222dfd46e/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0c0f4b-83ae-4f5a-8fe3-3b8222dfd46e/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0c0f4b-83ae-4f5a-8fe3-3b8222dfd46e/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0c0f4b-83ae-4f5a-8fe3-3b8222dfd46e/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0c0f4b-83ae-4f5a-8fe3-3b8222dfd46e/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0c0f4b-83ae-4f5a-8fe3-3b8222dfd46e/bin/ukojak-Rh5K9KB4LI --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 4f9eb6f5ed10e87bb24b60ecc008ae0f7d927414b72cef44f169022f555bf831 ...................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 02:59:13,462 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:59:13,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:59:13,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:59:13,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:59:13,500 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:59:13,502 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:59:13,505 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:59:13,507 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:59:13,508 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:59:13,510 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:59:13,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:59:13,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:59:13,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:59:13,515 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:59:13,517 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:59:13,518 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:59:13,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:59:13,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:59:13,525 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:59:13,527 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:59:13,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:59:13,531 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:59:13,532 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:59:13,536 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:59:13,536 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:59:13,537 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:59:13,538 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:59:13,539 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:59:13,540 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:59:13,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:59:13,541 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:59:13,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:59:13,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:59:13,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:59:13,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:59:13,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:59:13,547 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:59:13,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:59:13,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:59:13,549 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:59:13,550 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0c0f4b-83ae-4f5a-8fe3-3b8222dfd46e/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 02:59:13,574 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:59:13,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:59:13,575 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 02:59:13,575 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 02:59:13,576 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:59:13,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:59:13,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:59:13,577 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:59:13,577 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 02:59:13,577 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:59:13,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:59:13,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:59:13,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:59:13,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:59:13,579 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:59:13,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:59:13,579 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:59:13,579 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:59:13,580 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 02:59:13,580 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 02:59:13,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:59:13,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:59:13,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:59:13,581 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:59:13,581 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:59:13,581 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 02:59:13,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 02:59:13,582 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:59:13,582 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_1b0c0f4b-83ae-4f5a-8fe3-3b8222dfd46e/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0c0f4b-83ae-4f5a-8fe3-3b8222dfd46e/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f9eb6f5ed10e87bb24b60ecc008ae0f7d927414b72cef44f169022f555bf831 [2021-10-29 02:59:13,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:59:13,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:59:13,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:59:13,906 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:59:13,907 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:59:13,908 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0c0f4b-83ae-4f5a-8fe3-3b8222dfd46e/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c [2021-10-29 02:59:13,984 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0c0f4b-83ae-4f5a-8fe3-3b8222dfd46e/bin/ukojak-Rh5K9KB4LI/data/6b259f120/de00e45cde9b48bd8ee4b835a3348276/FLAG7b3bd2e07 [2021-10-29 02:59:14,478 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:59:14,479 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0c0f4b-83ae-4f5a-8fe3-3b8222dfd46e/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c [2021-10-29 02:59:14,486 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0c0f4b-83ae-4f5a-8fe3-3b8222dfd46e/bin/ukojak-Rh5K9KB4LI/data/6b259f120/de00e45cde9b48bd8ee4b835a3348276/FLAG7b3bd2e07 [2021-10-29 02:59:14,854 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0c0f4b-83ae-4f5a-8fe3-3b8222dfd46e/bin/ukojak-Rh5K9KB4LI/data/6b259f120/de00e45cde9b48bd8ee4b835a3348276 [2021-10-29 02:59:14,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:59:14,859 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:59:14,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:59:14,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:59:14,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:59:14,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:59:14" (1/1) ... [2021-10-29 02:59:14,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@255a95c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:59:14, skipping insertion in model container [2021-10-29 02:59:14,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:59:14" (1/1) ... [2021-10-29 02:59:14,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:59:14,893 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:59:15,050 WARN L228 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_1b0c0f4b-83ae-4f5a-8fe3-3b8222dfd46e/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c[525,538] [2021-10-29 02:59:15,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:59:15,082 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 02:59:15,096 WARN L228 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_1b0c0f4b-83ae-4f5a-8fe3-3b8222dfd46e/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c[525,538] [2021-10-29 02:59:15,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:59:15,119 INFO L208 MainTranslator]: Completed translation [2021-10-29 02:59:15,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:59:15 WrapperNode [2021-10-29 02:59:15,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:59:15,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 02:59:15,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 02:59:15,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 02:59:15,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:59:15" (1/1) ... [2021-10-29 02:59:15,139 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:59:15" (1/1) ... [2021-10-29 02:59:15,160 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 02:59:15,161 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 02:59:15,161 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 02:59:15,162 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 02:59:15,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:59:15" (1/1) ... [2021-10-29 02:59:15,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:59:15" (1/1) ... [2021-10-29 02:59:15,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:59:15" (1/1) ... [2021-10-29 02:59:15,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:59:15" (1/1) ... [2021-10-29 02:59:15,178 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:59:15" (1/1) ... [2021-10-29 02:59:15,182 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:59:15" (1/1) ... [2021-10-29 02:59:15,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:59:15" (1/1) ... [2021-10-29 02:59:15,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 02:59:15,186 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 02:59:15,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 02:59:15,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 02:59:15,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:59:15" (1/1) ... [2021-10-29 02:59:15,197 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:59:15,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0c0f4b-83ae-4f5a-8fe3-3b8222dfd46e/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 02:59:15,233 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0c0f4b-83ae-4f5a-8fe3-3b8222dfd46e/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 02:59:15,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0c0f4b-83ae-4f5a-8fe3-3b8222dfd46e/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 02:59:15,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 02:59:15,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 02:59:15,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 02:59:15,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 02:59:15,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-10-29 02:59:15,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-10-29 02:59:15,547 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 02:59:15,548 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-29 02:59:15,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:59:15 BoogieIcfgContainer [2021-10-29 02:59:15,550 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 02:59:15,551 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 02:59:15,552 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 02:59:15,563 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 02:59:15,563 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:59:15" (1/1) ... [2021-10-29 02:59:15,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:59:15,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:15,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2021-10-29 02:59:15,614 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2021-10-29 02:59:15,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 02:59:15,618 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:15,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:15,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:15,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:59:15,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:15,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-10-29 02:59:15,781 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-10-29 02:59:15,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 02:59:15,781 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:15,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:15,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:59:15,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:15,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2021-10-29 02:59:15,924 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2021-10-29 02:59:15,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 02:59:15,925 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:15,925 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:15,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:15,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-29 02:59:16,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 02:59:16,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:59:16,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:16,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2021-10-29 02:59:16,508 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2021-10-29 02:59:16,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 02:59:16,513 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:16,514 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:16,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:16,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-29 02:59:16,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 02:59:16,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:59:17,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:17,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2021-10-29 02:59:17,209 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2021-10-29 02:59:17,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 02:59:17,210 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:17,212 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:17,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 02:59:17,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 02:59:17,408 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 02:59:18,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:59:18,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 31 states and 50 transitions. [2021-10-29 02:59:18,265 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2021-10-29 02:59:18,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 02:59:18,266 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 02:59:18,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 02:59:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 02:59:18,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-29 02:59:18,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 02:59:18,685 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:00:02,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:00:02,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 34 states and 58 transitions. [2021-10-29 03:00:02,656 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 58 transitions. [2021-10-29 03:00:02,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 03:00:02,657 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:00:02,657 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:00:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:00:02,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-29 03:00:02,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 03:00:02,739 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:00:15,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:00:15,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 18 states and 20 transitions. [2021-10-29 03:00:15,138 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2021-10-29 03:00:15,138 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:00:15,139 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2021-10-29 03:00:15,145 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:00:15,233 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:00:15,238 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:00:15,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:00:15 ImpRootNode [2021-10-29 03:00:15,238 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:00:15,239 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:00:15,239 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:00:15,239 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:00:15,240 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:59:15" (3/4) ... [2021-10-29 03:00:15,243 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:00:15,250 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-10-29 03:00:15,254 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-29 03:00:15,254 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 03:00:15,254 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 03:00:15,255 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:00:15,311 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0c0f4b-83ae-4f5a-8fe3-3b8222dfd46e/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:00:15,315 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:00:15,317 INFO L168 Benchmark]: Toolchain (without parser) took 60456.76 ms. Allocated memory was 140.5 MB in the beginning and 169.9 MB in the end (delta: 29.4 MB). Free memory was 108.4 MB in the beginning and 76.7 MB in the end (delta: 31.7 MB). Peak memory consumption was 61.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:00:15,318 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 83.9 MB. Free memory is still 42.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:00:15,319 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.10 ms. Allocated memory is still 140.5 MB. Free memory was 108.4 MB in the beginning and 114.7 MB in the end (delta: -6.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:00:15,320 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.49 ms. Allocated memory is still 140.5 MB. Free memory was 114.7 MB in the beginning and 113.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:00:15,321 INFO L168 Benchmark]: Boogie Preprocessor took 24.29 ms. Allocated memory is still 140.5 MB. Free memory was 113.6 MB in the beginning and 112.6 MB in the end (delta: 944.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:00:15,322 INFO L168 Benchmark]: RCFGBuilder took 364.26 ms. Allocated memory is still 140.5 MB. Free memory was 112.4 MB in the beginning and 101.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:00:15,322 INFO L168 Benchmark]: CodeCheck took 59687.07 ms. Allocated memory was 140.5 MB in the beginning and 169.9 MB in the end (delta: 29.4 MB). Free memory was 101.5 MB in the beginning and 78.7 MB in the end (delta: 22.8 MB). Peak memory consumption was 53.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:00:15,323 INFO L168 Benchmark]: Witness Printer took 75.92 ms. Allocated memory is still 169.9 MB. Free memory was 78.7 MB in the beginning and 76.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:00:15,328 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 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 59.5s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 960 SDtfs, 128 SDslu, 248 SDs, 0 SdLazy, 2198 SolverSat, 854 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 730 GetRequests, 628 SyntacticMatches, 20 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2263 ImplicationChecksByTransitivity, 57.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 71 ConstructedInterpolants, 0 QuantifiedInterpolants, 229 SizeOfPredicates, 7 NumberOfNonLiveVariables, 358 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 10/16 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: 17]: 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: 44]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 83.9 MB. Free memory is still 42.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 259.10 ms. Allocated memory is still 140.5 MB. Free memory was 108.4 MB in the beginning and 114.7 MB in the end (delta: -6.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.49 ms. Allocated memory is still 140.5 MB. Free memory was 114.7 MB in the beginning and 113.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.29 ms. Allocated memory is still 140.5 MB. Free memory was 113.6 MB in the beginning and 112.6 MB in the end (delta: 944.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 364.26 ms. Allocated memory is still 140.5 MB. Free memory was 112.4 MB in the beginning and 101.9 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 59687.07 ms. Allocated memory was 140.5 MB in the beginning and 169.9 MB in the end (delta: 29.4 MB). Free memory was 101.5 MB in the beginning and 78.7 MB in the end (delta: 22.8 MB). Peak memory consumption was 53.5 MB. Max. memory is 16.1 GB. * Witness Printer took 75.92 ms. Allocated memory is still 169.9 MB. Free memory was 78.7 MB in the beginning and 76.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 03:00:15,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b0c0f4b-83ae-4f5a-8fe3-3b8222dfd46e/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...