./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/bresenham1-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aa2da3-aec9-47bc-a12b-7adb7fe79a16/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aa2da3-aec9-47bc-a12b-7adb7fe79a16/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aa2da3-aec9-47bc-a12b-7adb7fe79a16/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aa2da3-aec9-47bc-a12b-7adb7fe79a16/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/bresenham1-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aa2da3-aec9-47bc-a12b-7adb7fe79a16/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aa2da3-aec9-47bc-a12b-7adb7fe79a16/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6c193aa77bd4e5c249ae1495cd98658108162385613f8136ed84ef9dd75d1f9e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:34:31,731 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:34:31,838 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aa2da3-aec9-47bc-a12b-7adb7fe79a16/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:34:31,843 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:34:31,844 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:34:31,871 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:34:31,872 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:34:31,873 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:34:31,874 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:34:31,875 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:34:31,875 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:34:31,876 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:34:31,876 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:34:31,877 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:34:31,878 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:34:31,878 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:34:31,879 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:34:31,879 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:34:31,880 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:34:31,881 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:34:31,881 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:34:31,882 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:34:31,883 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:34:31,883 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:34:31,884 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:34:31,885 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:34:31,885 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:34:31,886 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:34:31,886 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:34:31,887 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:34:31,887 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:34:31,888 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:34:31,888 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:34:31,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:34:31,889 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:34:31,890 INFO L153 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_f8aa2da3-aec9-47bc-a12b-7adb7fe79a16/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aa2da3-aec9-47bc-a12b-7adb7fe79a16/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c193aa77bd4e5c249ae1495cd98658108162385613f8136ed84ef9dd75d1f9e [2023-11-19 02:34:32,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:34:32,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:34:32,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:34:32,205 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:34:32,206 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:34:32,207 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aa2da3-aec9-47bc-a12b-7adb7fe79a16/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/termination-nla/bresenham1-both-nt.c [2023-11-19 02:34:35,277 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:34:35,472 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:34:35,473 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aa2da3-aec9-47bc-a12b-7adb7fe79a16/sv-benchmarks/c/termination-nla/bresenham1-both-nt.c [2023-11-19 02:34:35,481 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aa2da3-aec9-47bc-a12b-7adb7fe79a16/bin/ukojak-verify-G8NBE6pJGL/data/03ceb4f86/0d79c1dbc33d438db41d9265dfb34980/FLAGee55889ec [2023-11-19 02:34:35,496 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aa2da3-aec9-47bc-a12b-7adb7fe79a16/bin/ukojak-verify-G8NBE6pJGL/data/03ceb4f86/0d79c1dbc33d438db41d9265dfb34980 [2023-11-19 02:34:35,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:34:35,501 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:34:35,502 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:34:35,502 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:34:35,511 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:34:35,513 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:34:35" (1/1) ... [2023-11-19 02:34:35,515 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43021532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:35, skipping insertion in model container [2023-11-19 02:34:35,515 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:34:35" (1/1) ... [2023-11-19 02:34:35,537 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:34:35,750 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:34:35,768 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:34:35,798 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:34:35,813 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:34:35,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:35 WrapperNode [2023-11-19 02:34:35,814 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:34:35,815 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:34:35,816 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:34:35,816 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:34:35,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:35" (1/1) ... [2023-11-19 02:34:35,829 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:35" (1/1) ... [2023-11-19 02:34:35,856 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 77 [2023-11-19 02:34:35,856 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:34:35,857 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:34:35,857 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:34:35,858 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:34:35,869 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:35" (1/1) ... [2023-11-19 02:34:35,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:35" (1/1) ... [2023-11-19 02:34:35,871 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:35" (1/1) ... [2023-11-19 02:34:35,871 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:35" (1/1) ... [2023-11-19 02:34:35,875 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:35" (1/1) ... [2023-11-19 02:34:35,879 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:35" (1/1) ... [2023-11-19 02:34:35,880 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:35" (1/1) ... [2023-11-19 02:34:35,881 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:35" (1/1) ... [2023-11-19 02:34:35,884 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:34:35,885 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:34:35,885 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:34:35,885 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:34:35,886 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:34:35" (1/1) ... [2023-11-19 02:34:35,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:34:35,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aa2da3-aec9-47bc-a12b-7adb7fe79a16/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:34:35,926 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aa2da3-aec9-47bc-a12b-7adb7fe79a16/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:34:35,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aa2da3-aec9-47bc-a12b-7adb7fe79a16/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:34:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:34:35,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:34:36,063 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:34:36,067 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:34:36,458 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:34:36,476 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:34:36,476 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:34:36,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:34:36 BoogieIcfgContainer [2023-11-19 02:34:36,482 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:34:36,489 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:34:36,490 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:34:36,501 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:34:36,502 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:34:36" (1/1) ... [2023-11-19 02:34:36,523 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:34:36,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:34:36,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 82 states and 84 transitions. [2023-11-19 02:34:36,606 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 84 transitions. [2023-11-19 02:34:36,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 02:34:36,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:34:36,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:34:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:34:36,715 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:34:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:34:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:34:36,781 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:34:36,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:34:36,811 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:34:36,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:34:36 ImpRootNode [2023-11-19 02:34:36,843 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:34:36,846 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:34:36,847 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:34:36,847 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:34:36,848 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:34:36" (3/4) ... [2023-11-19 02:34:36,849 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 02:34:36,905 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aa2da3-aec9-47bc-a12b-7adb7fe79a16/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:34:36,905 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:34:36,909 INFO L158 Benchmark]: Toolchain (without parser) took 1406.12ms. Allocated memory was 125.8MB in the beginning and 167.8MB in the end (delta: 41.9MB). Free memory was 70.2MB in the beginning and 106.6MB in the end (delta: -36.3MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2023-11-19 02:34:36,912 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 125.8MB. Free memory was 98.9MB in the beginning and 98.7MB in the end (delta: 151.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:34:36,919 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.30ms. Allocated memory was 125.8MB in the beginning and 167.8MB in the end (delta: 41.9MB). Free memory was 69.9MB in the beginning and 137.0MB in the end (delta: -67.0MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2023-11-19 02:34:36,921 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.14ms. Allocated memory is still 167.8MB. Free memory was 137.0MB in the beginning and 135.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:34:36,922 INFO L158 Benchmark]: Boogie Preprocessor took 26.90ms. Allocated memory is still 167.8MB. Free memory was 135.4MB in the beginning and 134.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:34:36,923 INFO L158 Benchmark]: RCFGBuilder took 597.59ms. Allocated memory is still 167.8MB. Free memory was 134.3MB in the beginning and 118.1MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 02:34:36,924 INFO L158 Benchmark]: CodeCheck took 354.37ms. Allocated memory is still 167.8MB. Free memory was 118.0MB in the beginning and 108.1MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:34:36,927 INFO L158 Benchmark]: Witness Printer took 59.59ms. Allocated memory is still 167.8MB. Free memory was 108.1MB in the beginning and 106.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:34:36,931 INFO L338 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, 82 locations, 38 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, 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, 2 NumberOfCodeBlocks, 2 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: 28]: integer overflow possible integer overflow possible We found a FailurePath: [L24] int X, Y; [L25] int v, x, y; [L26] X = __VERIFIER_nondet_int() [L27] Y = __VERIFIER_nondet_int() [L28] 2 * Y VAL [X=0, Y=-1073741825] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 125.8MB. Free memory was 98.9MB in the beginning and 98.7MB in the end (delta: 151.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.30ms. Allocated memory was 125.8MB in the beginning and 167.8MB in the end (delta: 41.9MB). Free memory was 69.9MB in the beginning and 137.0MB in the end (delta: -67.0MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.14ms. Allocated memory is still 167.8MB. Free memory was 137.0MB in the beginning and 135.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.90ms. Allocated memory is still 167.8MB. Free memory was 135.4MB in the beginning and 134.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 597.59ms. Allocated memory is still 167.8MB. Free memory was 134.3MB in the beginning and 118.1MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 354.37ms. Allocated memory is still 167.8MB. Free memory was 118.0MB in the beginning and 108.1MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 59.59ms. Allocated memory is still 167.8MB. Free memory was 108.1MB in the beginning and 106.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 02:34:36,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8aa2da3-aec9-47bc-a12b-7adb7fe79a16/bin/ukojak-verify-G8NBE6pJGL/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)