./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 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_4df2525a-5544-409c-bcfb-0ecf23e51541/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2525a-5544-409c-bcfb-0ecf23e51541/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_4df2525a-5544-409c-bcfb-0ecf23e51541/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2525a-5544-409c-bcfb-0ecf23e51541/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/fermat2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2525a-5544-409c-bcfb-0ecf23e51541/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_4df2525a-5544-409c-bcfb-0ecf23e51541/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 c098a5218d03f5d11720662381d33d10d0e3e49c38bba3ba93ba9e04dabfd911 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:29:39,985 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:29:40,075 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2525a-5544-409c-bcfb-0ecf23e51541/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:29:40,085 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:29:40,086 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:29:40,127 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:29:40,128 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:29:40,129 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:29:40,130 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:29:40,135 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:29:40,137 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:29:40,137 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:29:40,138 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:29:40,139 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:29:40,140 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:29:40,140 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:29:40,141 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:29:40,141 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:29:40,141 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:29:40,142 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:29:40,142 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:29:40,143 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:29:40,143 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:29:40,144 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:29:40,144 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:29:40,144 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:29:40,145 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:29:40,152 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:29:40,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:29:40,153 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:29:40,154 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:29:40,155 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:29:40,155 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:29:40,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:29:40,155 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:29:40,156 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_4df2525a-5544-409c-bcfb-0ecf23e51541/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2525a-5544-409c-bcfb-0ecf23e51541/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c098a5218d03f5d11720662381d33d10d0e3e49c38bba3ba93ba9e04dabfd911 [2023-11-19 03:29:40,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:29:40,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:29:40,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:29:40,471 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:29:40,472 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:29:40,473 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2525a-5544-409c-bcfb-0ecf23e51541/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench/fermat2.c [2023-11-19 03:29:43,759 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:29:43,953 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:29:43,954 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2525a-5544-409c-bcfb-0ecf23e51541/sv-benchmarks/c/nla-digbench/fermat2.c [2023-11-19 03:29:43,962 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2525a-5544-409c-bcfb-0ecf23e51541/bin/ukojak-verify-G8NBE6pJGL/data/9e47ca1e8/805f088af8b74dae890f81e4dc49fe2d/FLAGa3ebc786d [2023-11-19 03:29:43,977 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2525a-5544-409c-bcfb-0ecf23e51541/bin/ukojak-verify-G8NBE6pJGL/data/9e47ca1e8/805f088af8b74dae890f81e4dc49fe2d [2023-11-19 03:29:43,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:29:43,981 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:29:43,982 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:29:43,983 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:29:43,989 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:29:43,989 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:29:43" (1/1) ... [2023-11-19 03:29:43,990 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b723b16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:43, skipping insertion in model container [2023-11-19 03:29:43,990 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:29:43" (1/1) ... [2023-11-19 03:29:44,017 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:29:44,204 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:29:44,214 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:29:44,235 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:29:44,249 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:29:44,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:44 WrapperNode [2023-11-19 03:29:44,250 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:29:44,251 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:29:44,251 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:29:44,252 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:29:44,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:44" (1/1) ... [2023-11-19 03:29:44,268 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:44" (1/1) ... [2023-11-19 03:29:44,297 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2023-11-19 03:29:44,297 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:29:44,298 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:29:44,298 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:29:44,298 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:29:44,310 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:44" (1/1) ... [2023-11-19 03:29:44,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:44" (1/1) ... [2023-11-19 03:29:44,312 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:44" (1/1) ... [2023-11-19 03:29:44,313 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:44" (1/1) ... [2023-11-19 03:29:44,319 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:44" (1/1) ... [2023-11-19 03:29:44,322 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:44" (1/1) ... [2023-11-19 03:29:44,324 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:44" (1/1) ... [2023-11-19 03:29:44,326 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:44" (1/1) ... [2023-11-19 03:29:44,328 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:29:44,330 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:29:44,330 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:29:44,330 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:29:44,331 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:44" (1/1) ... [2023-11-19 03:29:44,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:29:44,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2525a-5544-409c-bcfb-0ecf23e51541/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:29:44,385 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2525a-5544-409c-bcfb-0ecf23e51541/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:29:44,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2525a-5544-409c-bcfb-0ecf23e51541/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:29:44,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:29:44,423 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:29:44,423 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:29:44,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:29:44,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:29:44,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:29:44,424 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:29:44,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:29:44,493 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:29:44,496 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:29:44,902 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:29:44,933 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:29:44,933 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:29:44,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:29:44 BoogieIcfgContainer [2023-11-19 03:29:44,952 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:29:44,953 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:29:44,954 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:29:44,969 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:29:44,970 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:29:44" (1/1) ... [2023-11-19 03:29:44,980 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:29:45,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:29:45,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 126 states and 130 transitions. [2023-11-19 03:29:45,105 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 130 transitions. [2023-11-19 03:29:45,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:29:45,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:29:45,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:29:45,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:29:45,202 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:29:45,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:29:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:29:45,280 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:29:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:29:45,294 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:29:45,328 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:29:45 ImpRootNode [2023-11-19 03:29:45,328 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:29:45,331 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:29:45,332 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:29:45,332 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:29:45,333 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:29:44" (3/4) ... [2023-11-19 03:29:45,339 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:29:45,343 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:29:45,345 INFO L158 Benchmark]: Toolchain (without parser) took 1363.08ms. Allocated memory is still 134.2MB. Free memory was 90.8MB in the beginning and 95.7MB in the end (delta: -5.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:29:45,346 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 134.2MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:29:45,348 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.91ms. Allocated memory is still 134.2MB. Free memory was 90.8MB in the beginning and 79.8MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:29:45,348 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.03ms. Allocated memory is still 134.2MB. Free memory was 79.8MB in the beginning and 78.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:29:45,350 INFO L158 Benchmark]: Boogie Preprocessor took 30.89ms. Allocated memory is still 134.2MB. Free memory was 78.2MB in the beginning and 76.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:29:45,351 INFO L158 Benchmark]: RCFGBuilder took 622.99ms. Allocated memory is still 134.2MB. Free memory was 76.8MB in the beginning and 56.7MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 03:29:45,352 INFO L158 Benchmark]: CodeCheck took 375.02ms. Allocated memory is still 134.2MB. Free memory was 56.7MB in the beginning and 95.7MB in the end (delta: -39.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:29:45,353 INFO L158 Benchmark]: Witness Printer took 12.50ms. Allocated memory is still 134.2MB. Free memory was 95.7MB in the beginning and 95.7MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:29:45,362 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: 0.3s, 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 - 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 134.2MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.91ms. Allocated memory is still 134.2MB. Free memory was 90.8MB in the beginning and 79.8MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.03ms. Allocated memory is still 134.2MB. Free memory was 79.8MB in the beginning and 78.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.89ms. Allocated memory is still 134.2MB. Free memory was 78.2MB in the beginning and 76.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 622.99ms. Allocated memory is still 134.2MB. Free memory was 76.8MB in the beginning and 56.7MB in the end (delta: 20.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 375.02ms. Allocated memory is still 134.2MB. Free memory was 56.7MB in the beginning and 95.7MB in the end (delta: -39.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 12.50ms. Allocated memory is still 134.2MB. Free memory was 95.7MB in the beginning and 95.7MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:29:45,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2525a-5544-409c-bcfb-0ecf23e51541/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_4df2525a-5544-409c-bcfb-0ecf23e51541/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2525a-5544-409c-bcfb-0ecf23e51541/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_4df2525a-5544-409c-bcfb-0ecf23e51541/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2525a-5544-409c-bcfb-0ecf23e51541/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/fermat2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2525a-5544-409c-bcfb-0ecf23e51541/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2525a-5544-409c-bcfb-0ecf23e51541/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 c098a5218d03f5d11720662381d33d10d0e3e49c38bba3ba93ba9e04dabfd911 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:29:48,156 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:29:48,283 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2525a-5544-409c-bcfb-0ecf23e51541/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 03:29:48,340 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:29:48,341 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:29:48,342 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:29:48,343 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:29:48,343 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:29:48,345 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:29:48,350 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:29:48,351 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:29:48,351 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:29:48,352 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:29:48,354 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:29:48,354 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:29:48,355 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:29:48,355 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:29:48,356 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:29:48,356 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:29:48,357 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:29:48,358 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:29:48,358 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:29:48,359 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:29:48,359 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:29:48,360 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:29:48,360 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:29:48,361 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:29:48,361 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:29:48,361 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:29:48,362 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:29:48,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:29:48,364 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:29:48,364 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:29:48,364 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:29:48,365 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:29:48,365 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:29:48,365 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:29:48,366 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:29:48,366 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:29:48,367 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_4df2525a-5544-409c-bcfb-0ecf23e51541/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2525a-5544-409c-bcfb-0ecf23e51541/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c098a5218d03f5d11720662381d33d10d0e3e49c38bba3ba93ba9e04dabfd911 [2023-11-19 03:29:48,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:29:48,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:29:48,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:29:48,868 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:29:48,869 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:29:48,870 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2525a-5544-409c-bcfb-0ecf23e51541/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench/fermat2.c [2023-11-19 03:29:52,119 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:29:52,442 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:29:52,442 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2525a-5544-409c-bcfb-0ecf23e51541/sv-benchmarks/c/nla-digbench/fermat2.c [2023-11-19 03:29:52,452 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2525a-5544-409c-bcfb-0ecf23e51541/bin/ukojak-verify-G8NBE6pJGL/data/1ba3e5e53/a83a963bbbe548a5afb4c13154aac646/FLAG5cd1cedc7 [2023-11-19 03:29:52,471 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2525a-5544-409c-bcfb-0ecf23e51541/bin/ukojak-verify-G8NBE6pJGL/data/1ba3e5e53/a83a963bbbe548a5afb4c13154aac646 [2023-11-19 03:29:52,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:29:52,481 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:29:52,485 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:29:52,485 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:29:52,490 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:29:52,491 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:29:52" (1/1) ... [2023-11-19 03:29:52,492 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18b26171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:52, skipping insertion in model container [2023-11-19 03:29:52,493 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:29:52" (1/1) ... [2023-11-19 03:29:52,520 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:29:52,758 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:29:52,775 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:29:52,817 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:29:52,841 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:29:52,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:52 WrapperNode [2023-11-19 03:29:52,841 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:29:52,843 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:29:52,843 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:29:52,843 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:29:52,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:52" (1/1) ... [2023-11-19 03:29:52,878 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:52" (1/1) ... [2023-11-19 03:29:52,922 INFO L138 Inliner]: procedures = 15, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2023-11-19 03:29:52,923 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:29:52,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:29:52,924 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:29:52,924 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:29:52,948 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:52" (1/1) ... [2023-11-19 03:29:52,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:52" (1/1) ... [2023-11-19 03:29:52,960 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:52" (1/1) ... [2023-11-19 03:29:52,961 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:52" (1/1) ... [2023-11-19 03:29:52,982 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:52" (1/1) ... [2023-11-19 03:29:52,985 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:52" (1/1) ... [2023-11-19 03:29:53,003 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:52" (1/1) ... [2023-11-19 03:29:53,006 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:52" (1/1) ... [2023-11-19 03:29:53,010 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:29:53,011 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:29:53,011 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:29:53,011 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:29:53,012 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:29:52" (1/1) ... [2023-11-19 03:29:53,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:29:53,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2525a-5544-409c-bcfb-0ecf23e51541/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:29:53,137 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2525a-5544-409c-bcfb-0ecf23e51541/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:29:53,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2525a-5544-409c-bcfb-0ecf23e51541/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:29:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:29:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:29:53,194 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:29:53,196 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:29:53,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:29:53,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:29:53,197 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:29:53,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:29:53,274 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:29:53,276 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:30:13,416 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:30:13,476 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:30:13,477 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:30:13,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:30:13 BoogieIcfgContainer [2023-11-19 03:30:13,483 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:30:13,484 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:30:13,484 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:30:13,492 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:30:13,493 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:30:13" (1/1) ... [2023-11-19 03:30:13,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:30:13,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:30:13,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 126 states and 130 transitions. [2023-11-19 03:30:13,553 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 130 transitions. [2023-11-19 03:30:13,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:30:13,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:30:13,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:30:13,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2525a-5544-409c-bcfb-0ecf23e51541/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:30:13,560 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2525a-5544-409c-bcfb-0ecf23e51541/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:30:13,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4df2525a-5544-409c-bcfb-0ecf23e51541/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:30:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:30:13,726 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:30:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat