./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 30e01a73 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_de829d9d-9549-4f0e-aa86-5729364a64e4/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de829d9d-9549-4f0e-aa86-5729364a64e4/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de829d9d-9549-4f0e-aa86-5729364a64e4/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de829d9d-9549-4f0e-aa86-5729364a64e4/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/fermat2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de829d9d-9549-4f0e-aa86-5729364a64e4/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de829d9d-9549-4f0e-aa86-5729364a64e4/bin/ukojak-verify-1t5iHCbJaC --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-30e01a7 [2023-11-23 20:07:26,985 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:07:27,106 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de829d9d-9549-4f0e-aa86-5729364a64e4/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:07:27,111 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:07:27,111 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:07:27,155 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:07:27,157 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:07:27,158 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:07:27,159 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:07:27,163 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:07:27,165 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:07:27,165 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:07:27,166 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:07:27,167 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:07:27,168 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:07:27,168 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:07:27,168 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:07:27,169 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:07:27,169 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:07:27,170 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:07:27,170 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:07:27,176 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:07:27,177 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:07:27,177 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:07:27,178 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:07:27,178 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:07:27,179 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:07:27,179 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:07:27,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:07:27,180 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:07:27,181 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:07:27,182 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:07:27,182 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:07:27,182 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:07:27,182 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:07:27,182 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_de829d9d-9549-4f0e-aa86-5729364a64e4/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de829d9d-9549-4f0e-aa86-5729364a64e4/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c098a5218d03f5d11720662381d33d10d0e3e49c38bba3ba93ba9e04dabfd911 [2023-11-23 20:07:27,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:07:27,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:07:27,492 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:07:27,494 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:07:27,494 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:07:27,496 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de829d9d-9549-4f0e-aa86-5729364a64e4/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench/fermat2.c [2023-11-23 20:07:30,703 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:07:30,974 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:07:30,975 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de829d9d-9549-4f0e-aa86-5729364a64e4/sv-benchmarks/c/nla-digbench/fermat2.c [2023-11-23 20:07:30,985 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de829d9d-9549-4f0e-aa86-5729364a64e4/bin/ukojak-verify-1t5iHCbJaC/data/4bab0b642/27a469a16eb6491db7a836c7206ba2b0/FLAG0953587cd [2023-11-23 20:07:31,003 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de829d9d-9549-4f0e-aa86-5729364a64e4/bin/ukojak-verify-1t5iHCbJaC/data/4bab0b642/27a469a16eb6491db7a836c7206ba2b0 [2023-11-23 20:07:31,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:07:31,010 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:07:31,013 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:07:31,013 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:07:31,020 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:07:31,021 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:07:31" (1/1) ... [2023-11-23 20:07:31,022 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e446ee5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:31, skipping insertion in model container [2023-11-23 20:07:31,022 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:07:31" (1/1) ... [2023-11-23 20:07:31,049 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:07:31,271 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:07:31,282 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:07:31,303 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:07:31,319 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:07:31,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:31 WrapperNode [2023-11-23 20:07:31,320 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:07:31,321 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:07:31,321 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:07:31,322 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:07:31,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:31" (1/1) ... [2023-11-23 20:07:31,337 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:31" (1/1) ... [2023-11-23 20:07:31,374 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2023-11-23 20:07:31,375 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:07:31,375 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:07:31,376 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:07:31,376 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:07:31,390 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:31" (1/1) ... [2023-11-23 20:07:31,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:31" (1/1) ... [2023-11-23 20:07:31,392 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:31" (1/1) ... [2023-11-23 20:07:31,392 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:31" (1/1) ... [2023-11-23 20:07:31,397 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:31" (1/1) ... [2023-11-23 20:07:31,400 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:31" (1/1) ... [2023-11-23 20:07:31,401 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:31" (1/1) ... [2023-11-23 20:07:31,403 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:31" (1/1) ... [2023-11-23 20:07:31,405 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:07:31,406 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:07:31,406 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:07:31,406 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:07:31,407 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:31" (1/1) ... [2023-11-23 20:07:31,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:07:31,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de829d9d-9549-4f0e-aa86-5729364a64e4/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:07:31,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de829d9d-9549-4f0e-aa86-5729364a64e4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:07:31,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de829d9d-9549-4f0e-aa86-5729364a64e4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:07:31,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:07:31,493 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:07:31,493 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:07:31,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:07:31,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:07:31,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:07:31,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:07:31,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:07:31,563 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:07:31,566 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:07:31,987 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:07:32,028 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:07:32,029 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:07:32,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:32 BoogieIcfgContainer [2023-11-23 20:07:32,031 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:07:32,032 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:07:32,032 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:07:32,045 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:07:32,046 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:32" (1/1) ... [2023-11-23 20:07:32,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:07:32,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:32,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 126 states and 130 transitions. [2023-11-23 20:07:32,127 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 130 transitions. [2023-11-23 20:07:32,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-23 20:07:32,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:32,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:07:32,219 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:07:32,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:07:32,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:07:32,258 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:07:32,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:07:32,268 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-23 20:07:32,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:07:32 ImpRootNode [2023-11-23 20:07:32,289 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:07:32,290 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:07:32,290 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:07:32,290 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:07:32,291 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:32" (3/4) ... [2023-11-23 20:07:32,293 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:07:32,294 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:07:32,296 INFO L158 Benchmark]: Toolchain (without parser) took 1285.68ms. Allocated memory is still 140.5MB. Free memory was 97.6MB in the beginning and 96.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. [2023-11-23 20:07:32,296 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory is still 52.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:07:32,297 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.21ms. Allocated memory is still 140.5MB. Free memory was 97.6MB in the beginning and 87.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:07:32,298 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.91ms. Allocated memory is still 140.5MB. Free memory was 87.0MB in the beginning and 85.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:07:32,299 INFO L158 Benchmark]: Boogie Preprocessor took 29.71ms. Allocated memory is still 140.5MB. Free memory was 85.0MB in the beginning and 84.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:07:32,299 INFO L158 Benchmark]: RCFGBuilder took 625.27ms. Allocated memory is still 140.5MB. Free memory was 84.0MB in the beginning and 107.1MB in the end (delta: -23.1MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2023-11-23 20:07:32,300 INFO L158 Benchmark]: CodeCheck took 257.05ms. Allocated memory is still 140.5MB. Free memory was 107.1MB in the beginning and 96.1MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:07:32,301 INFO L158 Benchmark]: Witness Printer took 4.81ms. Allocated memory is still 140.5MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:07:32,305 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 0.32ms. Allocated memory is still 104.9MB. Free memory is still 52.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.21ms. Allocated memory is still 140.5MB. Free memory was 97.6MB in the beginning and 87.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.91ms. Allocated memory is still 140.5MB. Free memory was 87.0MB in the beginning and 85.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.71ms. Allocated memory is still 140.5MB. Free memory was 85.0MB in the beginning and 84.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 625.27ms. Allocated memory is still 140.5MB. Free memory was 84.0MB in the beginning and 107.1MB in the end (delta: -23.1MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * CodeCheck took 257.05ms. Allocated memory is still 140.5MB. Free memory was 107.1MB in the beginning and 96.1MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 4.81ms. Allocated memory is still 140.5MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:07:32,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de829d9d-9549-4f0e-aa86-5729364a64e4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_de829d9d-9549-4f0e-aa86-5729364a64e4/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de829d9d-9549-4f0e-aa86-5729364a64e4/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de829d9d-9549-4f0e-aa86-5729364a64e4/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de829d9d-9549-4f0e-aa86-5729364a64e4/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/fermat2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de829d9d-9549-4f0e-aa86-5729364a64e4/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de829d9d-9549-4f0e-aa86-5729364a64e4/bin/ukojak-verify-1t5iHCbJaC --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-30e01a7 [2023-11-23 20:07:35,160 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:07:35,300 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de829d9d-9549-4f0e-aa86-5729364a64e4/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:07:35,351 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:07:35,352 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:07:35,353 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:07:35,354 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:07:35,355 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:07:35,355 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:07:35,356 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:07:35,356 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:07:35,357 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:07:35,357 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:07:35,358 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:07:35,358 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:07:35,359 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:07:35,359 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:07:35,359 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:07:35,360 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:07:35,360 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:07:35,361 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:07:35,364 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:07:35,365 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:07:35,365 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:07:35,366 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:07:35,366 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:07:35,367 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:07:35,367 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:07:35,367 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:07:35,368 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:07:35,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:07:35,370 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:07:35,370 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:07:35,370 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:07:35,371 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:07:35,371 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:07:35,371 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:07:35,372 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:07:35,372 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:07:35,373 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_de829d9d-9549-4f0e-aa86-5729364a64e4/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de829d9d-9549-4f0e-aa86-5729364a64e4/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c098a5218d03f5d11720662381d33d10d0e3e49c38bba3ba93ba9e04dabfd911 [2023-11-23 20:07:35,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:07:35,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:07:35,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:07:35,835 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:07:35,835 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:07:35,837 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de829d9d-9549-4f0e-aa86-5729364a64e4/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench/fermat2.c [2023-11-23 20:07:39,170 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:07:39,501 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:07:39,502 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de829d9d-9549-4f0e-aa86-5729364a64e4/sv-benchmarks/c/nla-digbench/fermat2.c [2023-11-23 20:07:39,511 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de829d9d-9549-4f0e-aa86-5729364a64e4/bin/ukojak-verify-1t5iHCbJaC/data/c0302325c/0805f305ff4548859885363eb967a719/FLAG5b05664dc [2023-11-23 20:07:39,529 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de829d9d-9549-4f0e-aa86-5729364a64e4/bin/ukojak-verify-1t5iHCbJaC/data/c0302325c/0805f305ff4548859885363eb967a719 [2023-11-23 20:07:39,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:07:39,534 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:07:39,536 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:07:39,536 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:07:39,541 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:07:39,542 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:07:39" (1/1) ... [2023-11-23 20:07:39,543 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2251ba61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:39, skipping insertion in model container [2023-11-23 20:07:39,544 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:07:39" (1/1) ... [2023-11-23 20:07:39,568 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:07:39,792 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:07:39,813 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:07:39,849 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:07:39,867 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:07:39,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:39 WrapperNode [2023-11-23 20:07:39,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:07:39,869 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:07:39,869 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:07:39,869 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:07:39,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:39" (1/1) ... [2023-11-23 20:07:39,890 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:39" (1/1) ... [2023-11-23 20:07:39,938 INFO L138 Inliner]: procedures = 15, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2023-11-23 20:07:39,939 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:07:39,940 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:07:39,940 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:07:39,941 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:07:39,983 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:39" (1/1) ... [2023-11-23 20:07:39,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:39" (1/1) ... [2023-11-23 20:07:39,992 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:39" (1/1) ... [2023-11-23 20:07:40,017 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:39" (1/1) ... [2023-11-23 20:07:40,029 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:39" (1/1) ... [2023-11-23 20:07:40,033 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:39" (1/1) ... [2023-11-23 20:07:40,054 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:39" (1/1) ... [2023-11-23 20:07:40,056 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:39" (1/1) ... [2023-11-23 20:07:40,061 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:07:40,062 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:07:40,063 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:07:40,063 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:07:40,064 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:39" (1/1) ... [2023-11-23 20:07:40,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:07:40,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de829d9d-9549-4f0e-aa86-5729364a64e4/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:07:40,106 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de829d9d-9549-4f0e-aa86-5729364a64e4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:07:40,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de829d9d-9549-4f0e-aa86-5729364a64e4/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:07:40,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:07:40,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:07:40,174 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:07:40,174 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:07:40,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:07:40,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:07:40,175 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:07:40,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:07:40,276 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:07:40,281 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:08:04,356 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:08:04,393 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:08:04,393 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:08:04,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:08:04 BoogieIcfgContainer [2023-11-23 20:08:04,395 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:08:04,396 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:08:04,396 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:08:04,406 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:08:04,406 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:08:04" (1/1) ... [2023-11-23 20:08:04,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:08:04,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:04,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 126 states and 130 transitions. [2023-11-23 20:08:04,468 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 130 transitions. [2023-11-23 20:08:04,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-23 20:08:04,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:04,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:08:04,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de829d9d-9549-4f0e-aa86-5729364a64e4/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:08:04,476 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de829d9d-9549-4f0e-aa86-5729364a64e4/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:08:04,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de829d9d-9549-4f0e-aa86-5729364a64e4/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 20:08:04,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:08:04,597 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:08:04,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat