./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/prod4br-both-nt.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_0ca9222d-8971-4cc5-b4d9-df70fbd3c848/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca9222d-8971-4cc5-b4d9-df70fbd3c848/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca9222d-8971-4cc5-b4d9-df70fbd3c848/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca9222d-8971-4cc5-b4d9-df70fbd3c848/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/prod4br-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca9222d-8971-4cc5-b4d9-df70fbd3c848/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca9222d-8971-4cc5-b4d9-df70fbd3c848/bin/ukojak-verify-i0I2FZA1j2 --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 2d13d882044123fbb613949ca1decff2dd9613cf75fc90bc80d422711d51a35d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:46:47,021 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:46:47,151 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca9222d-8971-4cc5-b4d9-df70fbd3c848/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:46:47,163 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:46:47,164 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:46:47,210 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:46:47,211 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:46:47,212 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:46:47,213 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:46:47,221 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:46:47,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:46:47,223 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:46:47,224 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:46:47,226 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:46:47,226 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:46:47,227 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:46:47,227 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:46:47,228 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:46:47,228 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:46:47,229 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:46:47,229 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:46:47,230 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:46:47,230 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:46:47,231 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:46:47,231 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:46:47,232 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:46:47,232 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:46:47,233 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:46:47,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:46:47,234 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:46:47,235 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:46:47,235 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:46:47,235 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:46:47,236 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:46:47,236 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:46:47,236 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_0ca9222d-8971-4cc5-b4d9-df70fbd3c848/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca9222d-8971-4cc5-b4d9-df70fbd3c848/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d13d882044123fbb613949ca1decff2dd9613cf75fc90bc80d422711d51a35d [2023-11-21 18:46:47,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:46:47,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:46:47,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:46:47,631 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:46:47,632 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:46:47,634 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca9222d-8971-4cc5-b4d9-df70fbd3c848/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/termination-nla/prod4br-both-nt.c [2023-11-21 18:46:50,805 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:46:51,075 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:46:51,076 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca9222d-8971-4cc5-b4d9-df70fbd3c848/sv-benchmarks/c/termination-nla/prod4br-both-nt.c [2023-11-21 18:46:51,086 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca9222d-8971-4cc5-b4d9-df70fbd3c848/bin/ukojak-verify-i0I2FZA1j2/data/180ec9116/8f0dc427cffb4ec897f353f28a79f798/FLAG0f65b19b2 [2023-11-21 18:46:51,405 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca9222d-8971-4cc5-b4d9-df70fbd3c848/bin/ukojak-verify-i0I2FZA1j2/data/180ec9116/8f0dc427cffb4ec897f353f28a79f798 [2023-11-21 18:46:51,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:46:51,410 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:46:51,418 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:46:51,418 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:46:51,425 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:46:51,426 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:46:51" (1/1) ... [2023-11-21 18:46:51,427 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d0be1c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:51, skipping insertion in model container [2023-11-21 18:46:51,427 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:46:51" (1/1) ... [2023-11-21 18:46:51,450 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:46:51,641 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:46:51,648 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:46:51,665 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:46:51,677 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:46:51,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:51 WrapperNode [2023-11-21 18:46:51,678 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:46:51,679 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:46:51,679 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:46:51,679 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:46:51,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:51" (1/1) ... [2023-11-21 18:46:51,692 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:51" (1/1) ... [2023-11-21 18:46:51,716 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 82 [2023-11-21 18:46:51,716 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:46:51,717 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:46:51,717 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:46:51,718 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:46:51,728 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:51" (1/1) ... [2023-11-21 18:46:51,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:51" (1/1) ... [2023-11-21 18:46:51,730 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:51" (1/1) ... [2023-11-21 18:46:51,730 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:51" (1/1) ... [2023-11-21 18:46:51,734 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:51" (1/1) ... [2023-11-21 18:46:51,738 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:51" (1/1) ... [2023-11-21 18:46:51,740 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:51" (1/1) ... [2023-11-21 18:46:51,741 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:51" (1/1) ... [2023-11-21 18:46:51,743 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:46:51,744 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:46:51,744 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:46:51,744 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:46:51,745 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:51" (1/1) ... [2023-11-21 18:46:51,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:46:51,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca9222d-8971-4cc5-b4d9-df70fbd3c848/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:46:51,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca9222d-8971-4cc5-b4d9-df70fbd3c848/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:46:51,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca9222d-8971-4cc5-b4d9-df70fbd3c848/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:46:51,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:46:51,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:46:51,882 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:46:51,884 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:46:52,279 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:46:52,319 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:46:52,320 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:46:52,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:46:52 BoogieIcfgContainer [2023-11-21 18:46:52,322 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:46:52,323 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:46:52,323 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:46:52,331 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:46:52,331 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:46:52" (1/1) ... [2023-11-21 18:46:52,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:46:52,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:52,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 86 states and 91 transitions. [2023-11-21 18:46:52,444 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 91 transitions. [2023-11-21 18:46:52,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:46:52,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:52,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:52,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:46:52,537 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:46:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:46:52,557 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-21 18:46:52,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:46:52 ImpRootNode [2023-11-21 18:46:52,580 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:46:52,581 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:46:52,581 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:46:52,581 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:46:52,582 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:46:52" (3/4) ... [2023-11-21 18:46:52,583 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-21 18:46:52,621 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca9222d-8971-4cc5-b4d9-df70fbd3c848/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:46:52,621 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:46:52,622 INFO L158 Benchmark]: Toolchain (without parser) took 1212.17ms. Allocated memory was 134.2MB in the beginning and 169.9MB in the end (delta: 35.7MB). Free memory was 68.7MB in the beginning and 130.3MB in the end (delta: -61.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:46:52,623 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 134.2MB. Free memory was 108.5MB in the beginning and 108.4MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:46:52,624 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.93ms. Allocated memory was 134.2MB in the beginning and 169.9MB in the end (delta: 35.7MB). Free memory was 68.5MB in the beginning and 140.3MB in the end (delta: -71.8MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2023-11-21 18:46:52,625 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.68ms. Allocated memory is still 169.9MB. Free memory was 140.3MB in the beginning and 138.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:46:52,625 INFO L158 Benchmark]: Boogie Preprocessor took 25.97ms. Allocated memory is still 169.9MB. Free memory was 138.3MB in the beginning and 137.4MB in the end (delta: 848.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:46:52,626 INFO L158 Benchmark]: RCFGBuilder took 577.96ms. Allocated memory is still 169.9MB. Free memory was 137.4MB in the beginning and 119.4MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 18:46:52,626 INFO L158 Benchmark]: CodeCheck took 257.67ms. Allocated memory is still 169.9MB. Free memory was 119.4MB in the beginning and 131.5MB in the end (delta: -12.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:46:52,627 INFO L158 Benchmark]: Witness Printer took 40.45ms. Allocated memory is still 169.9MB. Free memory was 131.5MB in the beginning and 130.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:46:52,630 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, 86 locations, 38 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 39]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int x, y; [L21] int a, b, p, q; [L23] x = __VERIFIER_nondet_int() [L24] y = __VERIFIER_nondet_int() [L27] COND FALSE !(y < 1) [L31] a = x [L32] b = y [L33] p = 1 [L34] q = 0 VAL [a=-715827883, b=3, p=1, q=0, x=-715827883, y=3] [L36] COND TRUE 1 VAL [a=-715827883, b=3, p=1, q=0, x=-715827883, y=3] [L39] a * b VAL [a=-715827883, b=3, p=1, q=0, x=-715827883, y=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 134.2MB. Free memory was 108.5MB in the beginning and 108.4MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.93ms. Allocated memory was 134.2MB in the beginning and 169.9MB in the end (delta: 35.7MB). Free memory was 68.5MB in the beginning and 140.3MB in the end (delta: -71.8MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.68ms. Allocated memory is still 169.9MB. Free memory was 140.3MB in the beginning and 138.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.97ms. Allocated memory is still 169.9MB. Free memory was 138.3MB in the beginning and 137.4MB in the end (delta: 848.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 577.96ms. Allocated memory is still 169.9MB. Free memory was 137.4MB in the beginning and 119.4MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 257.67ms. Allocated memory is still 169.9MB. Free memory was 119.4MB in the beginning and 131.5MB in the end (delta: -12.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 40.45ms. Allocated memory is still 169.9MB. Free memory was 131.5MB in the beginning and 130.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-21 18:46:52,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ca9222d-8971-4cc5-b4d9-df70fbd3c848/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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)