./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.17.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b0c71c-eb43-4fa0-b24c-8abcf87424ea/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b0c71c-eb43-4fa0-b24c-8abcf87424ea/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b0c71c-eb43-4fa0-b24c-8abcf87424ea/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b0c71c-eb43-4fa0-b24c-8abcf87424ea/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.17.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b0c71c-eb43-4fa0-b24c-8abcf87424ea/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b0c71c-eb43-4fa0-b24c-8abcf87424ea/bin/ukojak-rkRKPMF4O4 --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 8c748f99bd7e32062f9ec04be4b4ab36b7029b7702b06f8ab22dc96bac7290a8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-15 02:51:51,500 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:51:51,501 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:51:51,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:51:51,520 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:51:51,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:51:51,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:51:51,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:51:51,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:51:51,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:51:51,526 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:51:51,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:51:51,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:51:51,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:51:51,530 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:51:51,531 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:51:51,532 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:51:51,533 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:51:51,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:51:51,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:51:51,537 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:51:51,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:51:51,539 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:51:51,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:51:51,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:51:51,543 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:51:51,544 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:51:51,544 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:51:51,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:51:51,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:51:51,546 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:51:51,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:51:51,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:51:51,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:51:51,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:51:51,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:51:51,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:51:51,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:51:51,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:51:51,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:51:51,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:51:51,553 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b0c71c-eb43-4fa0-b24c-8abcf87424ea/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 02:51:51,571 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:51:51,571 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:51:51,572 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:51:51,572 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:51:51,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:51:51,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:51:51,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:51:51,573 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 02:51:51,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 02:51:51,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:51:51,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:51:51,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:51:51,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:51:51,574 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 02:51:51,574 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:51:51,574 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:51:51,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:51:51,574 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:51:51,574 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:51:51,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:51:51,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:51:51,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:51:51,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:51:51,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:51:51,575 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 02:51:51,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 02:51:51,575 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:51:51,575 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_62b0c71c-eb43-4fa0-b24c-8abcf87424ea/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b0c71c-eb43-4fa0-b24c-8abcf87424ea/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c748f99bd7e32062f9ec04be4b4ab36b7029b7702b06f8ab22dc96bac7290a8 [2022-12-15 02:51:51,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:51:51,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:51:51,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:51:51,777 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:51:51,777 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:51:51,778 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b0c71c-eb43-4fa0-b24c-8abcf87424ea/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.17.c [2022-12-15 02:51:54,437 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:51:54,574 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:51:54,574 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b0c71c-eb43-4fa0-b24c-8abcf87424ea/sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.17.c [2022-12-15 02:51:54,578 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b0c71c-eb43-4fa0-b24c-8abcf87424ea/bin/ukojak-rkRKPMF4O4/data/d13953255/caa2d03770f644cd985b7f1861a997fa/FLAG58a4a52ae [2022-12-15 02:51:54,589 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b0c71c-eb43-4fa0-b24c-8abcf87424ea/bin/ukojak-rkRKPMF4O4/data/d13953255/caa2d03770f644cd985b7f1861a997fa [2022-12-15 02:51:54,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:51:54,592 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:51:54,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:51:54,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:51:54,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:51:54,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:51:54" (1/1) ... [2022-12-15 02:51:54,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74fe9b65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:54, skipping insertion in model container [2022-12-15 02:51:54,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:51:54" (1/1) ... [2022-12-15 02:51:54,604 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:51:54,616 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:51:54,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:51:54,755 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:51:54,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:51:54,778 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:51:54,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:54 WrapperNode [2022-12-15 02:51:54,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:51:54,780 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:51:54,780 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:51:54,780 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:51:54,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:54" (1/1) ... [2022-12-15 02:51:54,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:54" (1/1) ... [2022-12-15 02:51:54,806 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2022-12-15 02:51:54,807 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:51:54,807 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:51:54,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:51:54,808 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:51:54,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:54" (1/1) ... [2022-12-15 02:51:54,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:54" (1/1) ... [2022-12-15 02:51:54,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:54" (1/1) ... [2022-12-15 02:51:54,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:54" (1/1) ... [2022-12-15 02:51:54,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:54" (1/1) ... [2022-12-15 02:51:54,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:54" (1/1) ... [2022-12-15 02:51:54,821 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:54" (1/1) ... [2022-12-15 02:51:54,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:54" (1/1) ... [2022-12-15 02:51:54,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:51:54,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:51:54,823 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:51:54,823 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:51:54,824 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:51:54" (1/1) ... [2022-12-15 02:51:54,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:51:54,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b0c71c-eb43-4fa0-b24c-8abcf87424ea/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:51:54,846 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b0c71c-eb43-4fa0-b24c-8abcf87424ea/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:51:54,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b0c71c-eb43-4fa0-b24c-8abcf87424ea/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:51:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:51:54,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:51:54,954 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:51:54,956 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:51:55,000 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:51:55,013 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:51:55,013 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 02:51:55,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:51:55 BoogieIcfgContainer [2022-12-15 02:51:55,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 02:51:55,016 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 02:51:55,016 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 02:51:55,023 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 02:51:55,023 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:51:55" (1/1) ... [2022-12-15 02:51:55,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 02:51:55,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:51:55,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2022-12-15 02:51:55,069 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2022-12-15 02:51:55,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-15 02:51:55,070 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:51:55,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:51:55,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:51:55,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:51:55,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:51:55,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2022-12-15 02:51:55,190 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2022-12-15 02:51:55,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 02:51:55,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:51:55,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:51:55,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 02:51:55,195 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 02:51:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 02:51:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 02:51:55,217 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-15 02:51:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-15 02:51:55,224 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-12-15 02:51:55,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 02:51:55 ImpRootNode [2022-12-15 02:51:55,238 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 02:51:55,239 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 02:51:55,239 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 02:51:55,239 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 02:51:55,239 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:51:55" (3/4) ... [2022-12-15 02:51:55,241 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-12-15 02:51:55,262 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b0c71c-eb43-4fa0-b24c-8abcf87424ea/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 02:51:55,262 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 02:51:55,263 INFO L158 Benchmark]: Toolchain (without parser) took 670.97ms. Allocated memory is still 144.7MB. Free memory was 108.9MB in the beginning and 72.8MB in the end (delta: 36.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-12-15 02:51:55,263 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 144.7MB. Free memory is still 114.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:51:55,264 INFO L158 Benchmark]: CACSL2BoogieTranslator took 186.48ms. Allocated memory is still 144.7MB. Free memory was 108.9MB in the beginning and 100.0MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-15 02:51:55,264 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.89ms. Allocated memory is still 144.7MB. Free memory was 99.5MB in the beginning and 98.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:51:55,265 INFO L158 Benchmark]: Boogie Preprocessor took 15.21ms. Allocated memory is still 144.7MB. Free memory was 98.4MB in the beginning and 97.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 02:51:55,265 INFO L158 Benchmark]: RCFGBuilder took 192.44ms. Allocated memory is still 144.7MB. Free memory was 97.4MB in the beginning and 87.9MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-15 02:51:55,265 INFO L158 Benchmark]: CodeCheck took 222.36ms. Allocated memory is still 144.7MB. Free memory was 87.9MB in the beginning and 74.4MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-15 02:51:55,266 INFO L158 Benchmark]: Witness Printer took 23.55ms. Allocated memory is still 144.7MB. Free memory was 74.4MB in the beginning and 72.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 02:51:55,269 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, 11 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 2 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 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, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 27]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int x, y; [L24] x = __VERIFIER_nondet_int() [L25] y = __VERIFIER_nondet_int() [L26] COND TRUE x < 10 VAL [x=0, y=-2147483648] [L27] -y VAL [x=0, y=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 144.7MB. Free memory is still 114.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 186.48ms. Allocated memory is still 144.7MB. Free memory was 108.9MB in the beginning and 100.0MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.89ms. Allocated memory is still 144.7MB. Free memory was 99.5MB in the beginning and 98.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.21ms. Allocated memory is still 144.7MB. Free memory was 98.4MB in the beginning and 97.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 192.44ms. Allocated memory is still 144.7MB. Free memory was 97.4MB in the beginning and 87.9MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 222.36ms. Allocated memory is still 144.7MB. Free memory was 87.9MB in the beginning and 74.4MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 23.55ms. Allocated memory is still 144.7MB. Free memory was 74.4MB in the beginning and 72.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-12-15 02:51:55,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62b0c71c-eb43-4fa0-b24c-8abcf87424ea/bin/ukojak-rkRKPMF4O4/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)