./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case.i --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_3d7e35d7-f546-4e6d-8f60-c6061a6f8963/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d7e35d7-f546-4e6d-8f60-c6061a6f8963/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_3d7e35d7-f546-4e6d-8f60-c6061a6f8963/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d7e35d7-f546-4e6d-8f60-c6061a6f8963/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d7e35d7-f546-4e6d-8f60-c6061a6f8963/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_3d7e35d7-f546-4e6d-8f60-c6061a6f8963/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 4f7670ede459996daea4f0d5b6d4f8f7722cb2c07f35d54c8d0ca4957e40998d ..................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:29:19,878 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:29:19,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:29:19,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:29:19,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:29:19,933 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:29:19,935 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:29:19,939 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:29:19,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:29:19,950 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:29:19,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:29:19,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:29:19,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:29:19,957 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:29:19,959 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:29:19,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:29:19,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:29:19,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:29:19,970 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:29:19,983 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:29:19,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:29:19,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:29:19,992 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:29:19,993 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:29:19,997 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:29:19,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:29:19,998 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:29:20,000 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:29:20,001 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:29:20,003 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:29:20,004 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:29:20,005 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:29:20,007 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:29:20,008 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:29:20,010 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:29:20,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:29:20,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:29:20,011 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:29:20,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:29:20,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:29:20,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:29:20,014 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d7e35d7-f546-4e6d-8f60-c6061a6f8963/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:29:20,053 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:29:20,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:29:20,054 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:29:20,054 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:29:20,055 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:29:20,055 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:29:20,056 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:29:20,056 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:29:20,056 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:29:20,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:29:20,057 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:29:20,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:29:20,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:29:20,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:29:20,057 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:29:20,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:29:20,058 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:29:20,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:29:20,058 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:29:20,059 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:29:20,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:29:20,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:29:20,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:29:20,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:29:20,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:29:20,060 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:29:20,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:29:20,060 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:29:20,061 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_3d7e35d7-f546-4e6d-8f60-c6061a6f8963/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d7e35d7-f546-4e6d-8f60-c6061a6f8963/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f7670ede459996daea4f0d5b6d4f8f7722cb2c07f35d54c8d0ca4957e40998d [2021-10-29 03:29:20,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:29:20,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:29:20,383 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:29:20,384 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:29:20,385 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:29:20,386 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d7e35d7-f546-4e6d-8f60-c6061a6f8963/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case.i [2021-10-29 03:29:20,461 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d7e35d7-f546-4e6d-8f60-c6061a6f8963/bin/ukojak-Rh5K9KB4LI/data/33962374d/d02d7f39de7343118dccf1a62681a93d/FLAG0233ab92e [2021-10-29 03:29:21,071 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:29:21,072 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d7e35d7-f546-4e6d-8f60-c6061a6f8963/sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case.i [2021-10-29 03:29:21,079 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d7e35d7-f546-4e6d-8f60-c6061a6f8963/bin/ukojak-Rh5K9KB4LI/data/33962374d/d02d7f39de7343118dccf1a62681a93d/FLAG0233ab92e [2021-10-29 03:29:21,468 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d7e35d7-f546-4e6d-8f60-c6061a6f8963/bin/ukojak-Rh5K9KB4LI/data/33962374d/d02d7f39de7343118dccf1a62681a93d [2021-10-29 03:29:21,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:29:21,475 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:29:21,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:29:21,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:29:21,482 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:29:21,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:29:21" (1/1) ... [2021-10-29 03:29:21,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@708614b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:29:21, skipping insertion in model container [2021-10-29 03:29:21,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:29:21" (1/1) ... [2021-10-29 03:29:21,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:29:21,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:29:21,682 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_3d7e35d7-f546-4e6d-8f60-c6061a6f8963/sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case.i[834,847] [2021-10-29 03:29:21,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:29:21,706 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:29:21,715 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_3d7e35d7-f546-4e6d-8f60-c6061a6f8963/sv-benchmarks/c/loops/sum01_bug02_sum01_bug02_base.case.i[834,847] [2021-10-29 03:29:21,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:29:21,728 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:29:21,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:29:21 WrapperNode [2021-10-29 03:29:21,729 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:29:21,730 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:29:21,730 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:29:21,730 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:29:21,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:29:21" (1/1) ... [2021-10-29 03:29:21,747 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:29:21" (1/1) ... [2021-10-29 03:29:21,765 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:29:21,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:29:21,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:29:21,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:29:21,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:29:21" (1/1) ... [2021-10-29 03:29:21,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:29:21" (1/1) ... [2021-10-29 03:29:21,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:29:21" (1/1) ... [2021-10-29 03:29:21,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:29:21" (1/1) ... [2021-10-29 03:29:21,777 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:29:21" (1/1) ... [2021-10-29 03:29:21,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:29:21" (1/1) ... [2021-10-29 03:29:21,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:29:21" (1/1) ... [2021-10-29 03:29:21,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:29:21,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:29:21,783 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:29:21,783 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:29:21,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:29:21" (1/1) ... [2021-10-29 03:29:21,791 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:29:21,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d7e35d7-f546-4e6d-8f60-c6061a6f8963/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:29:21,811 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d7e35d7-f546-4e6d-8f60-c6061a6f8963/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:29:21,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d7e35d7-f546-4e6d-8f60-c6061a6f8963/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:29:21,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:29:21,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:29:21,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:29:21,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:29:22,168 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:29:22,168 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-29 03:29:22,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:29:22 BoogieIcfgContainer [2021-10-29 03:29:22,170 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:29:22,171 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:29:22,171 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:29:22,196 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:29:22,211 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:29:22" (1/1) ... [2021-10-29 03:29:22,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:29:22,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:22,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2021-10-29 03:29:22,257 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2021-10-29 03:29:22,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 03:29:22,259 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:22,260 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:22,429 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 03:29:22,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:22,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-10-29 03:29:22,475 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-10-29 03:29:22,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:29:22,476 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:22,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:22,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:29:22,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:22,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 11 states and 19 transitions. [2021-10-29 03:29:22,872 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 19 transitions. [2021-10-29 03:29:22,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:29:22,911 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:22,912 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:22,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:23,034 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:29:23,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:23,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2021-10-29 03:29:23,218 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2021-10-29 03:29:23,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:29:23,219 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:23,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:23,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:23,282 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:29:23,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:23,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 13 states and 24 transitions. [2021-10-29 03:29:23,437 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 24 transitions. [2021-10-29 03:29:23,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:29:23,437 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:23,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:23,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:23,537 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:29:23,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:23,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 14 states and 25 transitions. [2021-10-29 03:29:23,758 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 25 transitions. [2021-10-29 03:29:23,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:29:23,759 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:23,759 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:29:23,905 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 03:29:24,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:29:24,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 15 states and 27 transitions. [2021-10-29 03:29:24,105 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 27 transitions. [2021-10-29 03:29:24,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 03:29:24,106 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:29:24,106 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:29:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:29:24,122 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:29:24,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:29:24,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:29:24,179 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:29:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:29:24,204 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2021-10-29 03:29:24,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:29:24 ImpRootNode [2021-10-29 03:29:24,226 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:29:24,227 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:29:24,227 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:29:24,227 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:29:24,228 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:29:22" (3/4) ... [2021-10-29 03:29:24,229 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 03:29:24,271 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d7e35d7-f546-4e6d-8f60-c6061a6f8963/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:29:24,272 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:29:24,273 INFO L168 Benchmark]: Toolchain (without parser) took 2797.08 ms. Allocated memory is still 125.8 MB. Free memory was 95.7 MB in the beginning and 79.9 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:29:24,274 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 100.7 MB. Free memory is still 54.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:29:24,275 INFO L168 Benchmark]: CACSL2BoogieTranslator took 251.16 ms. Allocated memory is still 125.8 MB. Free memory was 95.3 MB in the beginning and 100.5 MB in the end (delta: -5.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:29:24,275 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.54 ms. Allocated memory is still 125.8 MB. Free memory was 100.5 MB in the beginning and 99.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:29:24,276 INFO L168 Benchmark]: Boogie Preprocessor took 16.22 ms. Allocated memory is still 125.8 MB. Free memory was 99.2 MB in the beginning and 98.1 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:29:24,277 INFO L168 Benchmark]: RCFGBuilder took 387.53 ms. Allocated memory is still 125.8 MB. Free memory was 98.1 MB in the beginning and 88.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 03:29:24,277 INFO L168 Benchmark]: CodeCheck took 2055.03 ms. Allocated memory is still 125.8 MB. Free memory was 88.0 MB in the beginning and 82.0 MB in the end (delta: 6.0 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2021-10-29 03:29:24,278 INFO L168 Benchmark]: Witness Printer took 44.84 ms. Allocated memory is still 125.8 MB. Free memory was 82.0 MB in the beginning and 79.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:29:24,281 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: 1.9s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 32 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 1230 SolverSat, 586 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 348 GetRequests, 304 SyntacticMatches, 10 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 287 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 0/19 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 - CounterExampleResult [Line: 16]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L23] int i, n=__VERIFIER_nondet_uint(), sn=0; [L23] int i, n=__VERIFIER_nondet_uint(), sn=0; [L24] i=1 [L24] COND TRUE i<=n [L25] sn = sn + (2) [L26] COND FALSE !(i==4) [L24] i++ [L24] COND TRUE i<=n [L25] sn = sn + (2) [L26] COND FALSE !(i==4) [L24] i++ [L24] COND TRUE i<=n [L25] sn = sn + (2) [L26] COND FALSE !(i==4) [L24] i++ [L24] COND TRUE i<=n [L25] sn = sn + (2) [L26] COND TRUE i==4 [L26] sn=-10 [L24] i++ [L24] COND FALSE !(i<=n) [L15] COND TRUE !(cond) [L16] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 100.7 MB. Free memory is still 54.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 251.16 ms. Allocated memory is still 125.8 MB. Free memory was 95.3 MB in the beginning and 100.5 MB in the end (delta: -5.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.54 ms. Allocated memory is still 125.8 MB. Free memory was 100.5 MB in the beginning and 99.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 16.22 ms. Allocated memory is still 125.8 MB. Free memory was 99.2 MB in the beginning and 98.1 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 387.53 ms. Allocated memory is still 125.8 MB. Free memory was 98.1 MB in the beginning and 88.0 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * CodeCheck took 2055.03 ms. Allocated memory is still 125.8 MB. Free memory was 88.0 MB in the beginning and 82.0 MB in the end (delta: 6.0 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. * Witness Printer took 44.84 ms. Allocated memory is still 125.8 MB. Free memory was 82.0 MB in the beginning and 79.9 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 incorrect! [2021-10-29 03:29:24,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d7e35d7-f546-4e6d-8f60-c6061a6f8963/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...