./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/fermat2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_00678530-2185-4352-8559-53b1a0fd0aca/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00678530-2185-4352-8559-53b1a0fd0aca/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00678530-2185-4352-8559-53b1a0fd0aca/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00678530-2185-4352-8559-53b1a0fd0aca/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/fermat2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00678530-2185-4352-8559-53b1a0fd0aca/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00678530-2185-4352-8559-53b1a0fd0aca/bin/ukojak-verify-afCqCEvfdi --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 c098a5218d03f5d11720662381d33d10d0e3e49c38bba3ba93ba9e04dabfd911 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:01:24,025 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:01:24,142 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00678530-2185-4352-8559-53b1a0fd0aca/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:01:24,152 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:01:24,153 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:01:24,190 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:01:24,192 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:01:24,193 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:01:24,194 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:01:24,199 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:01:24,200 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:01:24,200 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:01:24,201 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:01:24,203 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:01:24,203 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:01:24,204 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:01:24,204 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:01:24,205 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:01:24,205 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:01:24,205 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:01:24,206 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:01:24,208 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:01:24,208 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:01:24,209 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:01:24,210 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:01:24,210 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:01:24,211 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:01:24,211 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:01:24,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:24,212 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:01:24,213 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:01:24,214 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:01:24,214 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:01:24,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:01:24,215 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:01:24,215 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_00678530-2185-4352-8559-53b1a0fd0aca/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00678530-2185-4352-8559-53b1a0fd0aca/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c098a5218d03f5d11720662381d33d10d0e3e49c38bba3ba93ba9e04dabfd911 [2023-11-24 23:01:24,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:01:24,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:01:24,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:01:24,531 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:01:24,532 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:01:24,534 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00678530-2185-4352-8559-53b1a0fd0aca/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench/fermat2.c [2023-11-24 23:01:27,645 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:01:27,925 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:01:27,926 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00678530-2185-4352-8559-53b1a0fd0aca/sv-benchmarks/c/nla-digbench/fermat2.c [2023-11-24 23:01:27,934 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00678530-2185-4352-8559-53b1a0fd0aca/bin/ukojak-verify-afCqCEvfdi/data/bf0302b8f/00060fbe4616449bb916dd876a1e8a92/FLAG522ad7dbf [2023-11-24 23:01:27,948 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00678530-2185-4352-8559-53b1a0fd0aca/bin/ukojak-verify-afCqCEvfdi/data/bf0302b8f/00060fbe4616449bb916dd876a1e8a92 [2023-11-24 23:01:27,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:01:27,953 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:01:27,954 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:27,954 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:01:27,960 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:01:27,961 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:27" (1/1) ... [2023-11-24 23:01:27,962 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79394e54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:27, skipping insertion in model container [2023-11-24 23:01:27,962 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:27" (1/1) ... [2023-11-24 23:01:27,984 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:01:28,152 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:28,164 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:01:28,188 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:28,201 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:01:28,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:28 WrapperNode [2023-11-24 23:01:28,202 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:28,203 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:28,203 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:01:28,204 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:01:28,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:28" (1/1) ... [2023-11-24 23:01:28,236 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:28" (1/1) ... [2023-11-24 23:01:28,260 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2023-11-24 23:01:28,261 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:28,262 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:01:28,262 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:01:28,262 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:01:28,273 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:28" (1/1) ... [2023-11-24 23:01:28,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:28" (1/1) ... [2023-11-24 23:01:28,275 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:28" (1/1) ... [2023-11-24 23:01:28,276 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:28" (1/1) ... [2023-11-24 23:01:28,281 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:28" (1/1) ... [2023-11-24 23:01:28,284 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:28" (1/1) ... [2023-11-24 23:01:28,286 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:28" (1/1) ... [2023-11-24 23:01:28,287 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:28" (1/1) ... [2023-11-24 23:01:28,290 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:01:28,291 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:01:28,292 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:01:28,292 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:01:28,293 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:28" (1/1) ... [2023-11-24 23:01:28,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:28,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00678530-2185-4352-8559-53b1a0fd0aca/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:01:28,331 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00678530-2185-4352-8559-53b1a0fd0aca/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:01:28,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00678530-2185-4352-8559-53b1a0fd0aca/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:01:28,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:01:28,370 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:01:28,370 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:01:28,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:01:28,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:01:28,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:01:28,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:01:28,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:01:28,440 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:01:28,443 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:01:28,988 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:01:29,039 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:01:29,039 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:01:29,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:29 BoogieIcfgContainer [2023-11-24 23:01:29,041 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:01:29,042 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:01:29,042 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:01:29,054 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:01:29,055 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:29" (1/1) ... [2023-11-24 23:01:29,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:01:29,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:01:29,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 126 states and 130 transitions. [2023-11-24 23:01:29,124 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 130 transitions. [2023-11-24 23:01:29,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 23:01:29,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:01:29,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:01:29,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:01:29,206 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:01:29,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:01:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:01:29,289 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:01:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:01:29,309 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 23:01:29,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:01:29 ImpRootNode [2023-11-24 23:01:29,343 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:01:29,346 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:01:29,348 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:01:29,349 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:01:29,349 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:01:29" (3/4) ... [2023-11-24 23:01:29,352 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:01:29,354 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:01:29,356 INFO L158 Benchmark]: Toolchain (without parser) took 1402.46ms. Allocated memory was 121.6MB in the beginning and 155.2MB in the end (delta: 33.6MB). Free memory was 91.4MB in the beginning and 125.1MB in the end (delta: -33.7MB). Peak memory consumption was 859.5kB. Max. memory is 16.1GB. [2023-11-24 23:01:29,370 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:01:29,371 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.08ms. Allocated memory is still 121.6MB. Free memory was 90.9MB in the beginning and 80.1MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:01:29,372 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.97ms. Allocated memory is still 121.6MB. Free memory was 80.1MB in the beginning and 78.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:01:29,373 INFO L158 Benchmark]: Boogie Preprocessor took 28.89ms. Allocated memory is still 121.6MB. Free memory was 78.4MB in the beginning and 77.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:01:29,373 INFO L158 Benchmark]: RCFGBuilder took 750.01ms. Allocated memory is still 121.6MB. Free memory was 77.2MB in the beginning and 57.5MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 23:01:29,374 INFO L158 Benchmark]: CodeCheck took 301.29ms. Allocated memory was 121.6MB in the beginning and 155.2MB in the end (delta: 33.6MB). Free memory was 57.0MB in the beginning and 125.5MB in the end (delta: -68.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:01:29,375 INFO L158 Benchmark]: Witness Printer took 7.99ms. Allocated memory is still 155.2MB. Free memory was 125.4MB in the beginning and 125.1MB in the end (delta: 309.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:01:29,379 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 3 procedures, 126 locations, 56 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, 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 - UnprovableResult [Line: 25]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of to_int at line 22. Possible FailurePath: [L20] int A, R; [L21] int u, v, r; [L22] A = __VERIFIER_nondet_double() [L23] R = __VERIFIER_nondet_double() [L25] R - 1 VAL [R=-2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.08ms. Allocated memory is still 121.6MB. Free memory was 90.9MB in the beginning and 80.1MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.97ms. Allocated memory is still 121.6MB. Free memory was 80.1MB in the beginning and 78.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.89ms. Allocated memory is still 121.6MB. Free memory was 78.4MB in the beginning and 77.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 750.01ms. Allocated memory is still 121.6MB. Free memory was 77.2MB in the beginning and 57.5MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 301.29ms. Allocated memory was 121.6MB in the beginning and 155.2MB in the end (delta: 33.6MB). Free memory was 57.0MB in the beginning and 125.5MB in the end (delta: -68.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.99ms. Allocated memory is still 155.2MB. Free memory was 125.4MB in the beginning and 125.1MB in the end (delta: 309.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:01:29,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00678530-2185-4352-8559-53b1a0fd0aca/bin/ukojak-verify-afCqCEvfdi/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_00678530-2185-4352-8559-53b1a0fd0aca/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00678530-2185-4352-8559-53b1a0fd0aca/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00678530-2185-4352-8559-53b1a0fd0aca/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00678530-2185-4352-8559-53b1a0fd0aca/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/fermat2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00678530-2185-4352-8559-53b1a0fd0aca/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00678530-2185-4352-8559-53b1a0fd0aca/bin/ukojak-verify-afCqCEvfdi --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 c098a5218d03f5d11720662381d33d10d0e3e49c38bba3ba93ba9e04dabfd911 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:01:32,075 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:01:32,197 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00678530-2185-4352-8559-53b1a0fd0aca/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-24 23:01:32,258 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:01:32,259 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:01:32,260 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:01:32,261 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:01:32,262 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:01:32,263 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:01:32,263 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:01:32,264 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:01:32,265 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:01:32,265 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:01:32,266 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:01:32,266 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:01:32,267 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:01:32,267 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:01:32,268 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:01:32,269 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:01:32,269 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:01:32,270 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:01:32,270 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:01:32,271 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:01:32,271 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:01:32,272 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:01:32,272 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:01:32,273 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:01:32,273 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:01:32,274 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:01:32,274 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:01:32,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:32,275 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:01:32,276 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:01:32,276 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:01:32,276 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:01:32,276 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:01:32,277 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:01:32,277 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:01:32,277 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:01:32,278 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_00678530-2185-4352-8559-53b1a0fd0aca/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00678530-2185-4352-8559-53b1a0fd0aca/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c098a5218d03f5d11720662381d33d10d0e3e49c38bba3ba93ba9e04dabfd911 [2023-11-24 23:01:32,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:01:32,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:01:32,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:01:32,762 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:01:32,763 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:01:32,765 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00678530-2185-4352-8559-53b1a0fd0aca/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench/fermat2.c [2023-11-24 23:01:36,098 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:01:36,385 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:01:36,387 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00678530-2185-4352-8559-53b1a0fd0aca/sv-benchmarks/c/nla-digbench/fermat2.c [2023-11-24 23:01:36,397 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00678530-2185-4352-8559-53b1a0fd0aca/bin/ukojak-verify-afCqCEvfdi/data/4907821fe/339b9c1f30384551a90e0489d2e29bf9/FLAG59a1c82eb [2023-11-24 23:01:36,415 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00678530-2185-4352-8559-53b1a0fd0aca/bin/ukojak-verify-afCqCEvfdi/data/4907821fe/339b9c1f30384551a90e0489d2e29bf9 [2023-11-24 23:01:36,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:01:36,424 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:01:36,426 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:36,426 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:01:36,431 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:01:36,431 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:36" (1/1) ... [2023-11-24 23:01:36,435 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51c956fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:36, skipping insertion in model container [2023-11-24 23:01:36,436 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:01:36" (1/1) ... [2023-11-24 23:01:36,461 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:01:36,701 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:36,721 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:01:36,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:01:36,791 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:01:36,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:36 WrapperNode [2023-11-24 23:01:36,792 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:01:36,793 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:36,794 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:01:36,794 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:01:36,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:36" (1/1) ... [2023-11-24 23:01:36,827 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:36" (1/1) ... [2023-11-24 23:01:36,871 INFO L138 Inliner]: procedures = 15, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2023-11-24 23:01:36,871 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:01:36,872 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:01:36,872 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:01:36,872 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:01:36,899 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:36" (1/1) ... [2023-11-24 23:01:36,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:36" (1/1) ... [2023-11-24 23:01:36,908 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:36" (1/1) ... [2023-11-24 23:01:36,908 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:36" (1/1) ... [2023-11-24 23:01:36,927 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:36" (1/1) ... [2023-11-24 23:01:36,931 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:36" (1/1) ... [2023-11-24 23:01:36,949 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:36" (1/1) ... [2023-11-24 23:01:36,951 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:36" (1/1) ... [2023-11-24 23:01:36,955 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:01:36,969 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:01:36,969 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:01:36,969 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:01:36,970 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:01:36" (1/1) ... [2023-11-24 23:01:36,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:01:36,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00678530-2185-4352-8559-53b1a0fd0aca/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:01:37,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00678530-2185-4352-8559-53b1a0fd0aca/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:01:37,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00678530-2185-4352-8559-53b1a0fd0aca/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:01:37,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:01:37,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:01:37,053 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:01:37,054 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:01:37,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:01:37,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:01:37,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:01:37,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:01:37,151 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:01:37,153 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:02:08,528 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00678530-2185-4352-8559-53b1a0fd0aca/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2023-11-24 23:02:08,530 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00678530-2185-4352-8559-53b1a0fd0aca/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.constructTransFormula(Statements2TransFormula.java:221) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.getTransFormula(Statements2TransFormula.java:175) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Statements2TransFormula.statementSequence(Statements2TransFormula.java:735) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.util.TransFormulaAdder.addTransitionFormulas(TransFormulaAdder.java:119) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:742) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:271) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 25 more [2023-11-24 23:02:08,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00678530-2185-4352-8559-53b1a0fd0aca/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2023-11-24 23:02:08,539 INFO L158 Benchmark]: Toolchain (without parser) took 32110.40ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 45.3MB in the beginning and 58.8MB in the end (delta: -13.4MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2023-11-24 23:02:08,541 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 69.2MB. Free memory was 44.9MB in the beginning and 44.8MB in the end (delta: 113.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:02:08,542 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.58ms. Allocated memory is still 69.2MB. Free memory was 45.2MB in the beginning and 33.5MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:02:08,543 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.74ms. Allocated memory is still 69.2MB. Free memory was 33.5MB in the beginning and 31.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:02:08,547 INFO L158 Benchmark]: Boogie Preprocessor took 96.20ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 31.5MB in the beginning and 68.6MB in the end (delta: -37.1MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2023-11-24 23:02:08,549 INFO L158 Benchmark]: RCFGBuilder took 31564.88ms. Allocated memory is still 90.2MB. Free memory was 68.6MB in the beginning and 58.8MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:02:08,557 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 69.2MB. Free memory was 44.9MB in the beginning and 44.8MB in the end (delta: 113.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.58ms. Allocated memory is still 69.2MB. Free memory was 45.2MB in the beginning and 33.5MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.74ms. Allocated memory is still 69.2MB. Free memory was 33.5MB in the beginning and 31.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.20ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 31.5MB in the beginning and 68.6MB in the end (delta: -37.1MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * RCFGBuilder took 31564.88ms. Allocated memory is still 90.2MB. Free memory was 68.6MB in the beginning and 58.8MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00678530-2185-4352-8559-53b1a0fd0aca/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00678530-2185-4352-8559-53b1a0fd0aca/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00678530-2185-4352-8559-53b1a0fd0aca/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")