./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1560e1a-4479-43fb-b445-2a478079e1ac/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1560e1a-4479-43fb-b445-2a478079e1ac/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_e1560e1a-4479-43fb-b445-2a478079e1ac/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1560e1a-4479-43fb-b445-2a478079e1ac/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1560e1a-4479-43fb-b445-2a478079e1ac/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1560e1a-4479-43fb-b445-2a478079e1ac/bin/ukojak-Rh5K9KB4LI --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 b8c16e949b804a2902e47966e35d88e859ba571c4506ac61977253ace96daf78 ......................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 03:34:07,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:34:07,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:34:07,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:34:07,436 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:34:07,437 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:34:07,439 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:34:07,441 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:34:07,443 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:34:07,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:34:07,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:34:07,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:34:07,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:34:07,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:34:07,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:34:07,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:34:07,453 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:34:07,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:34:07,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:34:07,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:34:07,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:34:07,462 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:34:07,464 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:34:07,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:34:07,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:34:07,473 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:34:07,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:34:07,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:34:07,475 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:34:07,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:34:07,477 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:34:07,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:34:07,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:34:07,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:34:07,481 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:34:07,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:34:07,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:34:07,483 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:34:07,483 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:34:07,484 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:34:07,485 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:34:07,486 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1560e1a-4479-43fb-b445-2a478079e1ac/bin/ukojak-Rh5K9KB4LI/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-10-29 03:34:07,532 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:34:07,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:34:07,534 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:34:07,534 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:34:07,535 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:34:07,535 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:34:07,536 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:34:07,536 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 03:34:07,536 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:34:07,536 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:34:07,537 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:34:07,538 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:34:07,538 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:34:07,538 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-29 03:34:07,538 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:34:07,539 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:34:07,539 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:34:07,539 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:34:07,539 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:34:07,540 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:34:07,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:34:07,540 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:34:07,540 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:34:07,541 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:34:07,541 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:34:07,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:34:07,541 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:34:07,542 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_e1560e1a-4479-43fb-b445-2a478079e1ac/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1560e1a-4479-43fb-b445-2a478079e1ac/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8c16e949b804a2902e47966e35d88e859ba571c4506ac61977253ace96daf78 [2021-10-29 03:34:07,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:34:07,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:34:07,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:34:07,942 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:34:07,943 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:34:07,945 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1560e1a-4479-43fb-b445-2a478079e1ac/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c [2021-10-29 03:34:08,022 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1560e1a-4479-43fb-b445-2a478079e1ac/bin/ukojak-Rh5K9KB4LI/data/af27f9987/bc63d3d02e2d41da96f0d198c0288c88/FLAG8e85ef43c [2021-10-29 03:34:08,524 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:34:08,525 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1560e1a-4479-43fb-b445-2a478079e1ac/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-complex.c [2021-10-29 03:34:08,536 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1560e1a-4479-43fb-b445-2a478079e1ac/bin/ukojak-Rh5K9KB4LI/data/af27f9987/bc63d3d02e2d41da96f0d198c0288c88/FLAG8e85ef43c [2021-10-29 03:34:08,897 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1560e1a-4479-43fb-b445-2a478079e1ac/bin/ukojak-Rh5K9KB4LI/data/af27f9987/bc63d3d02e2d41da96f0d198c0288c88 [2021-10-29 03:34:08,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:34:08,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:34:08,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:34:08,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:34:08,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:34:08,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:34:08" (1/1) ... [2021-10-29 03:34:08,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78fce623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:34:08, skipping insertion in model container [2021-10-29 03:34:08,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:34:08" (1/1) ... [2021-10-29 03:34:08,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:34:08,936 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:34:09,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:34:09,169 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:34:09,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:34:09,197 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:34:09,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:34:09 WrapperNode [2021-10-29 03:34:09,199 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:34:09,200 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:34:09,200 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:34:09,200 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:34:09,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:34:09" (1/1) ... [2021-10-29 03:34:09,213 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:34:09" (1/1) ... [2021-10-29 03:34:09,233 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:34:09,234 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:34:09,234 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:34:09,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:34:09,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:34:09" (1/1) ... [2021-10-29 03:34:09,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:34:09" (1/1) ... [2021-10-29 03:34:09,245 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:34:09" (1/1) ... [2021-10-29 03:34:09,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:34:09" (1/1) ... [2021-10-29 03:34:09,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:34:09" (1/1) ... [2021-10-29 03:34:09,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:34:09" (1/1) ... [2021-10-29 03:34:09,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:34:09" (1/1) ... [2021-10-29 03:34:09,254 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:34:09,255 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:34:09,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:34:09,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:34:09,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:34:09" (1/1) ... [2021-10-29 03:34:09,264 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:34:09,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1560e1a-4479-43fb-b445-2a478079e1ac/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:34:09,292 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1560e1a-4479-43fb-b445-2a478079e1ac/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:34:09,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1560e1a-4479-43fb-b445-2a478079e1ac/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:34:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:34:09,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:34:09,658 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:34:09,658 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-29 03:34:09,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:34:09 BoogieIcfgContainer [2021-10-29 03:34:09,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:34:09,663 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:34:09,663 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:34:09,688 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:34:09,688 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:34:09" (1/1) ... [2021-10-29 03:34:09,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:34:09,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:34:09,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 30 states and 33 transitions. [2021-10-29 03:34:09,739 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2021-10-29 03:34:09,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-29 03:34:09,742 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:34:09,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:34:09,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:34:09,963 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 03:34:10,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:34:10,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2021-10-29 03:34:10,026 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2021-10-29 03:34:10,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:34:10,026 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:34:10,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:34:10,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:34:10,083 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 03:34:10,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:34:10,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2021-10-29 03:34:10,128 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2021-10-29 03:34:10,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:34:10,129 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:34:10,129 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:34:10,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:34:10,185 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 03:34:10,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:34:10,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 33 states and 40 transitions. [2021-10-29 03:34:10,210 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2021-10-29 03:34:10,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-29 03:34:10,211 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:34:10,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:34:10,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:34:10,272 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 03:34:10,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:34:10,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2021-10-29 03:34:10,371 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2021-10-29 03:34:10,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:34:10,371 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:34:10,372 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:34:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:34:10,396 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 03:34:10,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:34:10,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2021-10-29 03:34:10,436 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2021-10-29 03:34:10,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:34:10,437 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:34:10,437 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:34:10,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:34:10,481 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 03:34:10,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:34:10,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 40 states and 52 transitions. [2021-10-29 03:34:10,833 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 52 transitions. [2021-10-29 03:34:10,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:34:10,833 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:34:10,835 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:34:10,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:34:10,873 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 03:34:11,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:34:11,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 45 states and 63 transitions. [2021-10-29 03:34:11,257 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2021-10-29 03:34:11,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:34:11,260 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:34:11,260 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:34:11,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:34:11,286 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:34:11,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:34:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:34:11,329 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:34:11,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:34:11,340 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2021-10-29 03:34:11,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:34:11 ImpRootNode [2021-10-29 03:34:11,359 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:34:11,359 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:34:11,359 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:34:11,360 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:34:11,360 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:34:09" (3/4) ... [2021-10-29 03:34:11,362 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 03:34:11,401 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1560e1a-4479-43fb-b445-2a478079e1ac/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:34:11,402 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:34:11,404 INFO L168 Benchmark]: Toolchain (without parser) took 2499.22 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 63.6 MB in the beginning and 85.7 MB in the end (delta: -22.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:34:11,405 INFO L168 Benchmark]: CDTParser took 0.57 ms. Allocated memory is still 104.9 MB. Free memory is still 79.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:34:11,406 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.03 ms. Allocated memory is still 104.9 MB. Free memory was 63.4 MB in the beginning and 81.1 MB in the end (delta: -17.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-29 03:34:11,406 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.68 ms. Allocated memory is still 104.9 MB. Free memory was 81.1 MB in the beginning and 79.9 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:34:11,407 INFO L168 Benchmark]: Boogie Preprocessor took 20.31 ms. Allocated memory is still 104.9 MB. Free memory was 79.5 MB in the beginning and 78.7 MB in the end (delta: 872.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:34:11,408 INFO L168 Benchmark]: RCFGBuilder took 406.54 ms. Allocated memory is still 104.9 MB. Free memory was 78.7 MB in the beginning and 68.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 03:34:11,409 INFO L168 Benchmark]: CodeCheck took 1695.97 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 68.6 MB in the beginning and 87.8 MB in the end (delta: -19.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 03:34:11,410 INFO L168 Benchmark]: Witness Printer took 42.67 ms. Allocated memory is still 125.8 MB. Free memory was 87.8 MB in the beginning and 85.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:34:11,414 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, 30 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 256 SDtfs, 446 SDslu, 32 SDs, 0 SdLazy, 2350 SolverSat, 508 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 322 GetRequests, 280 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 520 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 92 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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: 30]: integer overflow possible integer overflow possible We found a FailurePath: [L13] int a, b; [L14] a = __VERIFIER_nondet_int() [L15] b = __VERIFIER_nondet_int() [L16] COND TRUE a < 30 [L17] COND FALSE !(b < a) [L29] EXPR a + 2 [L29] a = a + 2 [L30] b - 10 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 ms. Allocated memory is still 104.9 MB. Free memory is still 79.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 292.03 ms. Allocated memory is still 104.9 MB. Free memory was 63.4 MB in the beginning and 81.1 MB in the end (delta: -17.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.68 ms. Allocated memory is still 104.9 MB. Free memory was 81.1 MB in the beginning and 79.9 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.31 ms. Allocated memory is still 104.9 MB. Free memory was 79.5 MB in the beginning and 78.7 MB in the end (delta: 872.8 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 406.54 ms. Allocated memory is still 104.9 MB. Free memory was 78.7 MB in the beginning and 68.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * CodeCheck took 1695.97 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 68.6 MB in the beginning and 87.8 MB in the end (delta: -19.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Witness Printer took 42.67 ms. Allocated memory is still 125.8 MB. Free memory was 87.8 MB in the beginning and 85.7 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 03:34:11,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1560e1a-4479-43fb-b445-2a478079e1ac/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...