./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark48_linear.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfbe4c9-cf56-4bf1-a260-25fbc067d2d2/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfbe4c9-cf56-4bf1-a260-25fbc067d2d2/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfbe4c9-cf56-4bf1-a260-25fbc067d2d2/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfbe4c9-cf56-4bf1-a260-25fbc067d2d2/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark48_linear.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfbe4c9-cf56-4bf1-a260-25fbc067d2d2/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfbe4c9-cf56-4bf1-a260-25fbc067d2d2/bin/ukojak-d1pc8ZmBRL --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 12586f28203ad48b9026fe813c42990970a62196c7a1d36489c96f441bedf780 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 07:26:33,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 07:26:33,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 07:26:33,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 07:26:33,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 07:26:33,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 07:26:33,381 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 07:26:33,383 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 07:26:33,385 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 07:26:33,387 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 07:26:33,388 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 07:26:33,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 07:26:33,390 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 07:26:33,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 07:26:33,393 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 07:26:33,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 07:26:33,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 07:26:33,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 07:26:33,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 07:26:33,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 07:26:33,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 07:26:33,405 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 07:26:33,406 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 07:26:33,407 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 07:26:33,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 07:26:33,412 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 07:26:33,412 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 07:26:33,413 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 07:26:33,414 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 07:26:33,415 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 07:26:33,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 07:26:33,417 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 07:26:33,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 07:26:33,418 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 07:26:33,420 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 07:26:33,420 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 07:26:33,421 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 07:26:33,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 07:26:33,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 07:26:33,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 07:26:33,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 07:26:33,424 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfbe4c9-cf56-4bf1-a260-25fbc067d2d2/bin/ukojak-d1pc8ZmBRL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-25 07:26:33,459 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 07:26:33,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 07:26:33,465 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 07:26:33,465 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 07:26:33,466 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 07:26:33,466 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 07:26:33,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 07:26:33,466 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 07:26:33,473 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 07:26:33,473 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 07:26:33,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 07:26:33,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 07:26:33,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 07:26:33,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 07:26:33,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 07:26:33,475 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 07:26:33,475 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 07:26:33,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 07:26:33,476 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 07:26:33,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 07:26:33,476 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 07:26:33,476 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 07:26:33,477 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 07:26:33,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:26:33,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 07:26:33,477 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 07:26:33,478 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 07:26:33,478 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 07:26:33,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 07:26:33,478 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 07:26:33,478 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_bbfbe4c9-cf56-4bf1-a260-25fbc067d2d2/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfbe4c9-cf56-4bf1-a260-25fbc067d2d2/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12586f28203ad48b9026fe813c42990970a62196c7a1d36489c96f441bedf780 [2021-11-25 07:26:33,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 07:26:33,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 07:26:33,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 07:26:33,774 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 07:26:33,775 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 07:26:33,776 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfbe4c9-cf56-4bf1-a260-25fbc067d2d2/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/loop-zilu/benchmark48_linear.i [2021-11-25 07:26:33,851 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfbe4c9-cf56-4bf1-a260-25fbc067d2d2/bin/ukojak-d1pc8ZmBRL/data/1f37862e7/35493378ee8b4a0aac5d235ce8e6dbf2/FLAG2698eb913 [2021-11-25 07:26:34,374 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 07:26:34,376 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfbe4c9-cf56-4bf1-a260-25fbc067d2d2/sv-benchmarks/c/loop-zilu/benchmark48_linear.i [2021-11-25 07:26:34,386 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfbe4c9-cf56-4bf1-a260-25fbc067d2d2/bin/ukojak-d1pc8ZmBRL/data/1f37862e7/35493378ee8b4a0aac5d235ce8e6dbf2/FLAG2698eb913 [2021-11-25 07:26:34,733 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfbe4c9-cf56-4bf1-a260-25fbc067d2d2/bin/ukojak-d1pc8ZmBRL/data/1f37862e7/35493378ee8b4a0aac5d235ce8e6dbf2 [2021-11-25 07:26:34,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 07:26:34,737 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 07:26:34,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 07:26:34,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 07:26:34,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 07:26:34,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:26:34" (1/1) ... [2021-11-25 07:26:34,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dd3c0c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:26:34, skipping insertion in model container [2021-11-25 07:26:34,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:26:34" (1/1) ... [2021-11-25 07:26:34,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 07:26:34,779 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 07:26:34,965 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfbe4c9-cf56-4bf1-a260-25fbc067d2d2/sv-benchmarks/c/loop-zilu/benchmark48_linear.i[868,881] [2021-11-25 07:26:34,972 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:26:34,981 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 07:26:34,993 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfbe4c9-cf56-4bf1-a260-25fbc067d2d2/sv-benchmarks/c/loop-zilu/benchmark48_linear.i[868,881] [2021-11-25 07:26:34,997 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:26:35,010 INFO L208 MainTranslator]: Completed translation [2021-11-25 07:26:35,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:26:35 WrapperNode [2021-11-25 07:26:35,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 07:26:35,012 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 07:26:35,012 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 07:26:35,013 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 07:26:35,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:26:35" (1/1) ... [2021-11-25 07:26:35,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:26:35" (1/1) ... [2021-11-25 07:26:35,044 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39 [2021-11-25 07:26:35,044 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 07:26:35,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 07:26:35,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 07:26:35,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 07:26:35,053 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:26:35" (1/1) ... [2021-11-25 07:26:35,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:26:35" (1/1) ... [2021-11-25 07:26:35,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:26:35" (1/1) ... [2021-11-25 07:26:35,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:26:35" (1/1) ... [2021-11-25 07:26:35,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:26:35" (1/1) ... [2021-11-25 07:26:35,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:26:35" (1/1) ... [2021-11-25 07:26:35,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:26:35" (1/1) ... [2021-11-25 07:26:35,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 07:26:35,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 07:26:35,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 07:26:35,065 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 07:26:35,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:26:35" (1/1) ... [2021-11-25 07:26:35,081 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:26:35,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfbe4c9-cf56-4bf1-a260-25fbc067d2d2/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 07:26:35,119 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfbe4c9-cf56-4bf1-a260-25fbc067d2d2/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 07:26:35,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfbe4c9-cf56-4bf1-a260-25fbc067d2d2/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 07:26:35,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 07:26:35,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 07:26:35,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 07:26:35,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 07:26:35,240 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 07:26:35,242 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 07:26:35,397 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 07:26:35,416 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 07:26:35,429 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 07:26:35,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:26:35 BoogieIcfgContainer [2021-11-25 07:26:35,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 07:26:35,433 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 07:26:35,433 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 07:26:35,443 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 07:26:35,457 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:26:35" (1/1) ... [2021-11-25 07:26:35,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 07:26:35,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 07:26:35,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2021-11-25 07:26:35,553 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2021-11-25 07:26:35,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-25 07:26:35,555 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 07:26:35,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 07:26:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 07:26:35,657 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 07:26:35,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 07:26:35,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 07:26:35,735 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 07:26:35,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 07:26:35,751 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2021-11-25 07:26:35,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 07:26:35 ImpRootNode [2021-11-25 07:26:35,773 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-25 07:26:35,774 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 07:26:35,774 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 07:26:35,774 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 07:26:35,775 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:26:35" (3/4) ... [2021-11-25 07:26:35,777 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-25 07:26:35,810 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbfbe4c9-cf56-4bf1-a260-25fbc067d2d2/bin/ukojak-d1pc8ZmBRL/witness.graphml [2021-11-25 07:26:35,810 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 07:26:35,811 INFO L158 Benchmark]: Toolchain (without parser) took 1073.42ms. Allocated memory is still 123.7MB. Free memory was 88.4MB in the beginning and 73.6MB in the end (delta: 14.8MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2021-11-25 07:26:35,812 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 123.7MB. Free memory was 97.7MB in the beginning and 97.7MB in the end (delta: 26.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:26:35,812 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.55ms. Allocated memory is still 123.7MB. Free memory was 88.2MB in the beginning and 98.8MB in the end (delta: -10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 07:26:35,813 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.10ms. Allocated memory is still 123.7MB. Free memory was 98.8MB in the beginning and 97.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 07:26:35,814 INFO L158 Benchmark]: Boogie Preprocessor took 18.61ms. Allocated memory is still 123.7MB. Free memory was 97.4MB in the beginning and 96.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 07:26:35,814 INFO L158 Benchmark]: RCFGBuilder took 367.58ms. Allocated memory is still 123.7MB. Free memory was 96.0MB in the beginning and 86.2MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-25 07:26:35,815 INFO L158 Benchmark]: CodeCheck took 340.83ms. Allocated memory is still 123.7MB. Free memory was 86.2MB in the beginning and 75.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-25 07:26:35,816 INFO L158 Benchmark]: Witness Printer took 36.14ms. Allocated memory is still 123.7MB. Free memory was 75.7MB in the beginning and 73.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 07:26:35,819 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, 17 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 - CounterExampleResult [Line: 25]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int i = __VERIFIER_nondet_int(); [L21] int j = __VERIFIER_nondet_int(); [L22] int k = __VERIFIER_nondet_int(); [L23] COND FALSE !(!(i 0)) VAL [i=0, j=1, k=2147483647] [L24] COND TRUE i