./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-acceleration/phases_2-2.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_11444073-49f3-4d64-a20d-f0ebc94efaba/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11444073-49f3-4d64-a20d-f0ebc94efaba/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_11444073-49f3-4d64-a20d-f0ebc94efaba/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11444073-49f3-4d64-a20d-f0ebc94efaba/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-acceleration/phases_2-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11444073-49f3-4d64-a20d-f0ebc94efaba/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_11444073-49f3-4d64-a20d-f0ebc94efaba/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 c973e7f310a848892a18e3f534717b85b3f4d9e6c87fd06bd7bcf01c28300fa4 ......................................................................................................................................................................................................................... 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 03:42:11,456 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:42:11,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:42:11,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:42:11,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:42:11,515 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:42:11,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:42:11,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:42:11,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:42:11,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:42:11,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:42:11,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:42:11,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:42:11,542 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:42:11,545 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:42:11,551 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:42:11,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:42:11,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:42:11,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:42:11,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:42:11,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:42:11,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:42:11,576 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:42:11,577 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:42:11,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:42:11,589 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:42:11,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:42:11,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:42:11,593 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:42:11,595 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:42:11,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:42:11,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:42:11,600 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:42:11,601 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:42:11,603 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:42:11,604 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:42:11,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:42:11,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:42:11,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:42:11,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:42:11,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:42:11,609 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11444073-49f3-4d64-a20d-f0ebc94efaba/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:42:11,667 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:42:11,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:42:11,669 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:42:11,670 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:42:11,671 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:42:11,671 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:42:11,672 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:42:11,672 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:42:11,672 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:42:11,673 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:42:11,674 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:42:11,674 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:42:11,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:42:11,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:42:11,675 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:42:11,675 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:42:11,676 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:42:11,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:42:11,676 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:42:11,677 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:42:11,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:42:11,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:42:11,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:42:11,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:42:11,678 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:42:11,678 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:42:11,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:42:11,679 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:42:11,679 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_11444073-49f3-4d64-a20d-f0ebc94efaba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11444073-49f3-4d64-a20d-f0ebc94efaba/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c973e7f310a848892a18e3f534717b85b3f4d9e6c87fd06bd7bcf01c28300fa4 [2021-10-29 03:42:12,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:42:12,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:42:12,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:42:12,045 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:42:12,046 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:42:12,047 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11444073-49f3-4d64-a20d-f0ebc94efaba/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/loop-acceleration/phases_2-2.c [2021-10-29 03:42:12,148 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11444073-49f3-4d64-a20d-f0ebc94efaba/bin/ukojak-Rh5K9KB4LI/data/584a9115d/5667b43c1b894afea9cbdf9f22782e4b/FLAG0f2b5f793 [2021-10-29 03:42:12,818 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:42:12,819 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11444073-49f3-4d64-a20d-f0ebc94efaba/sv-benchmarks/c/loop-acceleration/phases_2-2.c [2021-10-29 03:42:12,832 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11444073-49f3-4d64-a20d-f0ebc94efaba/bin/ukojak-Rh5K9KB4LI/data/584a9115d/5667b43c1b894afea9cbdf9f22782e4b/FLAG0f2b5f793 [2021-10-29 03:42:13,178 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11444073-49f3-4d64-a20d-f0ebc94efaba/bin/ukojak-Rh5K9KB4LI/data/584a9115d/5667b43c1b894afea9cbdf9f22782e4b [2021-10-29 03:42:13,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:42:13,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:42:13,189 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:42:13,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:42:13,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:42:13,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:42:13" (1/1) ... [2021-10-29 03:42:13,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40765ba3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:42:13, skipping insertion in model container [2021-10-29 03:42:13,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:42:13" (1/1) ... [2021-10-29 03:42:13,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:42:13,225 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:42:13,451 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_11444073-49f3-4d64-a20d-f0ebc94efaba/sv-benchmarks/c/loop-acceleration/phases_2-2.c[459,472] [2021-10-29 03:42:13,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:42:13,490 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:42:13,509 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_11444073-49f3-4d64-a20d-f0ebc94efaba/sv-benchmarks/c/loop-acceleration/phases_2-2.c[459,472] [2021-10-29 03:42:13,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:42:13,542 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:42:13,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:42:13 WrapperNode [2021-10-29 03:42:13,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:42:13,545 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:42:13,545 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:42:13,547 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:42:13,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:42:13" (1/1) ... [2021-10-29 03:42:13,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:42:13" (1/1) ... [2021-10-29 03:42:13,594 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:42:13,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:42:13,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:42:13,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:42:13,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:42:13" (1/1) ... [2021-10-29 03:42:13,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:42:13" (1/1) ... [2021-10-29 03:42:13,619 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:42:13" (1/1) ... [2021-10-29 03:42:13,620 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:42:13" (1/1) ... [2021-10-29 03:42:13,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:42:13" (1/1) ... [2021-10-29 03:42:13,633 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:42:13" (1/1) ... [2021-10-29 03:42:13,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:42:13" (1/1) ... [2021-10-29 03:42:13,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:42:13,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:42:13,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:42:13,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:42:13,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:42:13" (1/1) ... [2021-10-29 03:42:13,655 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:42:13,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11444073-49f3-4d64-a20d-f0ebc94efaba/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:42:13,686 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11444073-49f3-4d64-a20d-f0ebc94efaba/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:42:13,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11444073-49f3-4d64-a20d-f0ebc94efaba/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:42:13,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:42:13,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:42:13,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:42:13,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:42:14,105 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:42:14,105 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 03:42:14,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:42:14 BoogieIcfgContainer [2021-10-29 03:42:14,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:42:14,122 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:42:14,122 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:42:14,143 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:42:14,143 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:42:14" (1/1) ... [2021-10-29 03:42:14,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:42:14,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:42:14,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2021-10-29 03:42:14,221 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2021-10-29 03:42:14,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:42:14,224 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:42:14,225 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:42:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:42:14,645 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 03:42:14,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:42:14,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2021-10-29 03:42:14,759 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2021-10-29 03:42:14,759 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 03:42:14,760 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2021-10-29 03:42:14,771 INFO L759 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-10-29 03:42:14,790 INFO L565 CodeCheckObserver]: Invariant with dag size 13 [2021-10-29 03:42:14,805 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 03:42:14,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:42:14 ImpRootNode [2021-10-29 03:42:14,806 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:42:14,810 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:42:14,810 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:42:14,811 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:42:14,811 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:42:14" (3/4) ... [2021-10-29 03:42:14,816 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 03:42:14,839 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-10-29 03:42:14,845 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-29 03:42:14,846 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:42:14,846 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 03:42:14,910 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11444073-49f3-4d64-a20d-f0ebc94efaba/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:42:14,911 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:42:14,914 INFO L168 Benchmark]: Toolchain (without parser) took 1728.74 ms. Allocated memory was 81.8 MB in the beginning and 104.9 MB in the end (delta: 23.1 MB). Free memory was 48.1 MB in the beginning and 51.1 MB in the end (delta: -3.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2021-10-29 03:42:14,915 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 81.8 MB. Free memory was 54.6 MB in the beginning and 54.5 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:42:14,917 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.33 ms. Allocated memory was 81.8 MB in the beginning and 104.9 MB in the end (delta: 23.1 MB). Free memory was 47.9 MB in the beginning and 81.5 MB in the end (delta: -33.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:42:14,918 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.29 ms. Allocated memory is still 104.9 MB. Free memory was 81.5 MB in the beginning and 80.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:42:14,919 INFO L168 Benchmark]: Boogie Preprocessor took 46.75 ms. Allocated memory is still 104.9 MB. Free memory was 80.4 MB in the beginning and 79.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:42:14,920 INFO L168 Benchmark]: RCFGBuilder took 477.12 ms. Allocated memory is still 104.9 MB. Free memory was 79.3 MB in the beginning and 68.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:42:14,921 INFO L168 Benchmark]: CodeCheck took 684.77 ms. Allocated memory is still 104.9 MB. Free memory was 68.4 MB in the beginning and 53.1 MB in the end (delta: 15.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-29 03:42:14,922 INFO L168 Benchmark]: Witness Printer took 101.73 ms. Allocated memory is still 104.9 MB. Free memory was 53.1 MB in the beginning and 51.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:42:14,934 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, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 5 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 13 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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: 12]: 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: 23]: Loop Invariant Derived loop invariant: x == 1 && x + 4294967296 * (y / 4294967296) < y + 4294967296 * (x / 4294967296) + 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 81.8 MB. Free memory was 54.6 MB in the beginning and 54.5 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 354.33 ms. Allocated memory was 81.8 MB in the beginning and 104.9 MB in the end (delta: 23.1 MB). Free memory was 47.9 MB in the beginning and 81.5 MB in the end (delta: -33.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.29 ms. Allocated memory is still 104.9 MB. Free memory was 81.5 MB in the beginning and 80.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.75 ms. Allocated memory is still 104.9 MB. Free memory was 80.4 MB in the beginning and 79.3 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 477.12 ms. Allocated memory is still 104.9 MB. Free memory was 79.3 MB in the beginning and 68.4 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 684.77 ms. Allocated memory is still 104.9 MB. Free memory was 68.4 MB in the beginning and 53.1 MB in the end (delta: 15.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Witness Printer took 101.73 ms. Allocated memory is still 104.9 MB. Free memory was 53.1 MB in the beginning and 51.1 MB in the end (delta: 2.1 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 03:42:14,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11444073-49f3-4d64-a20d-f0ebc94efaba/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...