./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedFails4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045040ae-878b-497a-999c-170b7834be80/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045040ae-878b-497a-999c-170b7834be80/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045040ae-878b-497a-999c-170b7834be80/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045040ae-878b-497a-999c-170b7834be80/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedFails4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045040ae-878b-497a-999c-170b7834be80/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045040ae-878b-497a-999c-170b7834be80/bin/ukojak-2xVlg8857e --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 64bit --witnessprinter.graph.data.programhash a853e0153a387a0293b332daaa064da9a41f2d4b422c4d31dada3b659808cbac --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:06:42,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:06:42,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:06:42,547 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:06:42,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:06:42,550 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:06:42,552 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:06:42,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:06:42,558 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:06:42,560 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:06:42,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:06:42,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:06:42,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:06:42,566 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:06:42,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:06:42,571 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:06:42,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:06:42,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:06:42,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:06:42,581 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:06:42,584 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:06:42,586 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:06:42,588 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:06:42,590 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:06:42,595 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:06:42,595 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:06:42,596 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:06:42,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:06:42,599 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:06:42,600 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:06:42,601 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:06:42,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:06:42,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:06:42,605 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:06:42,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:06:42,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:06:42,609 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:06:42,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:06:42,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:06:42,611 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:06:42,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:06:42,614 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045040ae-878b-497a-999c-170b7834be80/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-13 23:06:42,646 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:06:42,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:06:42,648 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:06:42,649 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:06:42,650 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:06:42,650 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:06:42,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:06:42,651 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 23:06:42,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:06:42,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:06:42,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:06:42,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:06:42,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:06:42,654 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 23:06:42,655 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:06:42,655 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:06:42,656 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:06:42,656 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:06:42,657 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:06:42,657 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:06:42,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:06:42,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:06:42,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:06:42,660 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:06:42,660 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:06:42,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:06:42,661 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:06:42,661 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_045040ae-878b-497a-999c-170b7834be80/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045040ae-878b-497a-999c-170b7834be80/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a853e0153a387a0293b332daaa064da9a41f2d4b422c4d31dada3b659808cbac [2021-11-13 23:06:43,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:06:43,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:06:43,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:06:43,121 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:06:43,122 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:06:43,124 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045040ae-878b-497a-999c-170b7834be80/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedFails4.c [2021-11-13 23:06:43,217 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045040ae-878b-497a-999c-170b7834be80/bin/ukojak-2xVlg8857e/data/49d0a1bf8/37dbf071ec67477bb5cf7898c3b941eb/FLAG0de0b940d [2021-11-13 23:06:43,849 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:06:43,849 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045040ae-878b-497a-999c-170b7834be80/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedFails4.c [2021-11-13 23:06:43,863 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045040ae-878b-497a-999c-170b7834be80/bin/ukojak-2xVlg8857e/data/49d0a1bf8/37dbf071ec67477bb5cf7898c3b941eb/FLAG0de0b940d [2021-11-13 23:06:44,212 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045040ae-878b-497a-999c-170b7834be80/bin/ukojak-2xVlg8857e/data/49d0a1bf8/37dbf071ec67477bb5cf7898c3b941eb [2021-11-13 23:06:44,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:06:44,222 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:06:44,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:06:44,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:06:44,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:06:44,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:06:44" (1/1) ... [2021-11-13 23:06:44,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75bbb1c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:44, skipping insertion in model container [2021-11-13 23:06:44,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:06:44" (1/1) ... [2021-11-13 23:06:44,246 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:06:44,262 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:06:44,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:06:44,429 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:06:44,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:06:44,462 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:06:44,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:44 WrapperNode [2021-11-13 23:06:44,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:06:44,464 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:06:44,464 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:06:44,465 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:06:44,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:44" (1/1) ... [2021-11-13 23:06:44,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:44" (1/1) ... [2021-11-13 23:06:44,523 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:06:44,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:06:44,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:06:44,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:06:44,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:44" (1/1) ... [2021-11-13 23:06:44,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:44" (1/1) ... [2021-11-13 23:06:44,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:44" (1/1) ... [2021-11-13 23:06:44,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:44" (1/1) ... [2021-11-13 23:06:44,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:44" (1/1) ... [2021-11-13 23:06:44,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:44" (1/1) ... [2021-11-13 23:06:44,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:44" (1/1) ... [2021-11-13 23:06:44,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:06:44,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:06:44,566 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:06:44,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:06:44,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:44" (1/1) ... [2021-11-13 23:06:44,577 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:06:44,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045040ae-878b-497a-999c-170b7834be80/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:06:44,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045040ae-878b-497a-999c-170b7834be80/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:06:44,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045040ae-878b-497a-999c-170b7834be80/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:06:44,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:06:44,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:06:44,967 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:06:44,976 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 23:06:44,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:06:44 BoogieIcfgContainer [2021-11-13 23:06:44,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:06:44,982 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:06:44,983 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:06:44,998 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:06:44,998 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:06:44" (1/1) ... [2021-11-13 23:06:45,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:06:45,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:06:45,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2021-11-13 23:06:45,122 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2021-11-13 23:06:45,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-13 23:06:45,125 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 23:06:45,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 23:06:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:06:45,246 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 23:06:45,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:06:45,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:06:45,321 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 23:06:45,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 23:06:45,358 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2021-11-13 23:06:45,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:06:45 ImpRootNode [2021-11-13 23:06:45,404 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-13 23:06:45,405 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 23:06:45,405 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 23:06:45,406 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 23:06:45,407 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:06:44" (3/4) ... [2021-11-13 23:06:45,409 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-13 23:06:45,461 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045040ae-878b-497a-999c-170b7834be80/bin/ukojak-2xVlg8857e/witness.graphml [2021-11-13 23:06:45,461 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 23:06:45,463 INFO L158 Benchmark]: Toolchain (without parser) took 1239.83ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 43.2MB in the beginning and 61.5MB in the end (delta: -18.3MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2021-11-13 23:06:45,464 INFO L158 Benchmark]: CDTParser took 1.87ms. Allocated memory is still 77.6MB. Free memory is still 59.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:06:45,466 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.44ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 43.0MB in the beginning and 84.7MB in the end (delta: -41.7MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2021-11-13 23:06:45,467 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.09ms. Allocated memory is still 107.0MB. Free memory was 84.7MB in the beginning and 83.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:06:45,468 INFO L158 Benchmark]: Boogie Preprocessor took 32.21ms. Allocated memory is still 107.0MB. Free memory was 83.2MB in the beginning and 82.5MB in the end (delta: 763.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:06:45,470 INFO L158 Benchmark]: RCFGBuilder took 423.00ms. Allocated memory is still 107.0MB. Free memory was 82.5MB in the beginning and 72.8MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 23:06:45,471 INFO L158 Benchmark]: CodeCheck took 422.86ms. Allocated memory is still 107.0MB. Free memory was 72.8MB in the beginning and 63.1MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 23:06:45,473 INFO L158 Benchmark]: Witness Printer took 56.21ms. Allocated memory is still 107.0MB. Free memory was 63.1MB in the beginning and 61.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:06:45,481 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, 12 locations, 4 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: 26]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int i, x, n, b, t; [L15] i = __VERIFIER_nondet_int() [L16] x = __VERIFIER_nondet_int() [L17] n = __VERIFIER_nondet_int() [L18] b = __VERIFIER_nondet_int() [L19] COND TRUE b >= 1 [L20] t = 1 VAL [b=1, i=0, n=2147483647, t=1, x=2147483647] [L24] COND TRUE x <= n VAL [b=1, i=0, n=2147483647, t=1, x=2147483647] [L25] COND TRUE b >= 1 VAL [b=1, i=0, n=2147483647, t=1, x=2147483647] [L26] x + t VAL [b=1, i=0, n=2147483647, t=1, x=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.87ms. Allocated memory is still 77.6MB. Free memory is still 59.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 236.44ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 43.0MB in the beginning and 84.7MB in the end (delta: -41.7MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.09ms. Allocated memory is still 107.0MB. Free memory was 84.7MB in the beginning and 83.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.21ms. Allocated memory is still 107.0MB. Free memory was 83.2MB in the beginning and 82.5MB in the end (delta: 763.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 423.00ms. Allocated memory is still 107.0MB. Free memory was 82.5MB in the beginning and 72.8MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 422.86ms. Allocated memory is still 107.0MB. Free memory was 72.8MB in the beginning and 63.1MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 56.21ms. Allocated memory is still 107.0MB. Free memory was 63.1MB in the beginning and 61.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2021-11-13 23:06:45,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_045040ae-878b-497a-999c-170b7834be80/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)