./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a7b3ac0-4ce5-41f2-b6d3-cf8211e6d58b/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a7b3ac0-4ce5-41f2-b6d3-cf8211e6d58b/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a7b3ac0-4ce5-41f2-b6d3-cf8211e6d58b/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a7b3ac0-4ce5-41f2-b6d3-cf8211e6d58b/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a7b3ac0-4ce5-41f2-b6d3-cf8211e6d58b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a7b3ac0-4ce5-41f2-b6d3-cf8211e6d58b/bin/ukojak-verify-ENZ3QT5qd3 --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 32a11a65f3e38612319bca1346c2311552a0857eb7006c96fdce9d3817efe0e3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:12:43,767 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:12:43,869 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a7b3ac0-4ce5-41f2-b6d3-cf8211e6d58b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 04:12:43,874 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:12:43,874 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:12:43,896 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:12:43,897 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:12:43,897 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:12:43,897 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:12:43,898 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:12:43,898 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:12:43,898 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:12:43,898 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:12:43,898 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:12:43,898 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:12:43,899 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:12:43,899 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:12:43,899 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:12:43,899 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:12:43,899 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:12:43,899 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:12:43,900 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:12:43,900 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:12:43,900 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:12:43,900 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:12:43,900 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:12:43,900 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:12:43,900 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:12:43,901 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:12:43,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:12:43,901 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:12:43,901 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:12:43,901 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:12:43,901 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:12:43,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:12:43,902 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_3a7b3ac0-4ce5-41f2-b6d3-cf8211e6d58b/bin/ukojak-verify-ENZ3QT5qd3 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 -> 32a11a65f3e38612319bca1346c2311552a0857eb7006c96fdce9d3817efe0e3 [2024-11-25 04:12:44,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:12:44,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:12:44,180 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:12:44,181 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:12:44,182 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:12:44,183 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a7b3ac0-4ce5-41f2-b6d3-cf8211e6d58b/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1.c [2024-11-25 04:12:47,220 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a7b3ac0-4ce5-41f2-b6d3-cf8211e6d58b/bin/ukojak-verify-ENZ3QT5qd3/data/c8cf7cf20/3e445acd3dc74c76891a0b4b19941a74/FLAG4d30de965 [2024-11-25 04:12:47,507 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:12:47,508 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a7b3ac0-4ce5-41f2-b6d3-cf8211e6d58b/sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1.c [2024-11-25 04:12:47,517 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a7b3ac0-4ce5-41f2-b6d3-cf8211e6d58b/bin/ukojak-verify-ENZ3QT5qd3/data/c8cf7cf20/3e445acd3dc74c76891a0b4b19941a74/FLAG4d30de965 [2024-11-25 04:12:47,779 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a7b3ac0-4ce5-41f2-b6d3-cf8211e6d58b/bin/ukojak-verify-ENZ3QT5qd3/data/c8cf7cf20/3e445acd3dc74c76891a0b4b19941a74 [2024-11-25 04:12:47,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:12:47,783 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:12:47,784 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:12:47,785 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:12:47,789 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:12:47,790 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:12:47" (1/1) ... [2024-11-25 04:12:47,791 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40273e20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:47, skipping insertion in model container [2024-11-25 04:12:47,791 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:12:47" (1/1) ... [2024-11-25 04:12:47,808 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:12:48,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:12:48,035 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:12:48,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:12:48,101 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:12:48,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:48 WrapperNode [2024-11-25 04:12:48,101 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:12:48,102 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:12:48,102 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:12:48,103 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:12:48,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:48" (1/1) ... [2024-11-25 04:12:48,122 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:48" (1/1) ... [2024-11-25 04:12:48,142 INFO L138 Inliner]: procedures = 18, calls = 83, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 101 [2024-11-25 04:12:48,142 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:12:48,143 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:12:48,143 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:12:48,143 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:12:48,150 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:48" (1/1) ... [2024-11-25 04:12:48,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:48" (1/1) ... [2024-11-25 04:12:48,154 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:48" (1/1) ... [2024-11-25 04:12:48,154 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:48" (1/1) ... [2024-11-25 04:12:48,163 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:48" (1/1) ... [2024-11-25 04:12:48,165 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:48" (1/1) ... [2024-11-25 04:12:48,167 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:48" (1/1) ... [2024-11-25 04:12:48,169 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:48" (1/1) ... [2024-11-25 04:12:48,170 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:48" (1/1) ... [2024-11-25 04:12:48,172 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:12:48,173 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:12:48,173 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:12:48,173 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:12:48,174 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:48" (1/1) ... [2024-11-25 04:12:48,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:12:48,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a7b3ac0-4ce5-41f2-b6d3-cf8211e6d58b/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:12:48,210 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a7b3ac0-4ce5-41f2-b6d3-cf8211e6d58b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:12:48,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a7b3ac0-4ce5-41f2-b6d3-cf8211e6d58b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:12:48,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:12:48,242 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_33_to_36_0 [2024-11-25 04:12:48,243 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_33_to_36_0 [2024-11-25 04:12:48,243 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:12:48,243 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:12:48,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:12:48,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 04:12:48,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 04:12:48,244 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_38_to_43_0 [2024-11-25 04:12:48,244 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_38_to_43_0 [2024-11-25 04:12:48,244 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_46_to_51_0 [2024-11-25 04:12:48,244 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_46_to_51_0 [2024-11-25 04:12:48,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:12:48,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:12:48,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 04:12:48,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 04:12:48,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 04:12:48,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 04:12:48,365 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:12:48,367 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:12:49,126 INFO L? ?]: Removed 229 outVars from TransFormulas that were not future-live. [2024-11-25 04:12:49,126 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:12:49,192 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:12:49,193 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-25 04:12:49,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:12:49 BoogieIcfgContainer [2024-11-25 04:12:49,193 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:12:49,194 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:12:49,194 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:12:49,204 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:12:49,205 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:12:49" (1/1) ... [2024-11-25 04:12:49,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:12:49,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:12:49,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 224 states and 236 transitions. [2024-11-25 04:12:49,307 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 236 transitions. [2024-11-25 04:12:49,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-25 04:12:49,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:12:49,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:12:49,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:12:49,424 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:12:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:12:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:12:49,520 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:12:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:12:49,547 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:12:49,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:12:49 ImpRootNode [2024-11-25 04:12:49,581 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:12:49,581 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:12:49,581 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:12:49,582 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:12:49,583 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:12:49" (3/4) ... [2024-11-25 04:12:49,585 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:12:49,586 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:12:49,587 INFO L158 Benchmark]: Toolchain (without parser) took 1804.46ms. Allocated memory is still 142.6MB. Free memory was 119.3MB in the beginning and 105.2MB in the end (delta: 14.1MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2024-11-25 04:12:49,588 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:12:49,588 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.52ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 107.1MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:12:49,588 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.78ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 105.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:12:49,589 INFO L158 Benchmark]: Boogie Preprocessor took 30.06ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.2MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:12:49,589 INFO L158 Benchmark]: RCFGBuilder took 1019.97ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 67.1MB in the end (delta: 36.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 04:12:49,590 INFO L158 Benchmark]: CodeCheck took 386.85ms. Allocated memory is still 142.6MB. Free memory was 67.1MB in the beginning and 105.2MB in the end (delta: -38.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:12:49,593 INFO L158 Benchmark]: Witness Printer took 5.15ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 105.2MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:12:49,595 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 6 procedures, 224 locations, 92 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 126]: 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 124. Possible FailurePath: [L119] int A; [L120] int R; [L121] int u; [L122] int v; [L123] int r; [L124] A = __VERIFIER_nondet_double() [L125] R = __VERIFIER_nondet_double() [L126] R - 1 VAL [A={13227:0}, r={13228:0}, u={13226:0}, v={13225:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 79.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.52ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 107.1MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.78ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 105.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.06ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.2MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1019.97ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 67.1MB in the end (delta: 36.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 386.85ms. Allocated memory is still 142.6MB. Free memory was 67.1MB in the beginning and 105.2MB in the end (delta: -38.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.15ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 105.2MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:12:49,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a7b3ac0-4ce5-41f2-b6d3-cf8211e6d58b/bin/ukojak-verify-ENZ3QT5qd3/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a7b3ac0-4ce5-41f2-b6d3-cf8211e6d58b/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a7b3ac0-4ce5-41f2-b6d3-cf8211e6d58b/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a7b3ac0-4ce5-41f2-b6d3-cf8211e6d58b/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a7b3ac0-4ce5-41f2-b6d3-cf8211e6d58b/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a7b3ac0-4ce5-41f2-b6d3-cf8211e6d58b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a7b3ac0-4ce5-41f2-b6d3-cf8211e6d58b/bin/ukojak-verify-ENZ3QT5qd3 --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 32a11a65f3e38612319bca1346c2311552a0857eb7006c96fdce9d3817efe0e3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:12:52,394 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:12:52,539 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a7b3ac0-4ce5-41f2-b6d3-cf8211e6d58b/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-25 04:12:52,586 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:12:52,587 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:12:52,587 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:12:52,587 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:12:52,588 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:12:52,588 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:12:52,588 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:12:52,589 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:12:52,589 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:12:52,589 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:12:52,589 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:12:52,589 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:12:52,589 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:12:52,589 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:12:52,589 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:12:52,589 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:12:52,590 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:12:52,590 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:12:52,590 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:12:52,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:12:52,590 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:12:52,590 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:12:52,590 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:12:52,590 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:12:52,590 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:12:52,590 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:12:52,591 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:12:52,591 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:12:52,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:12:52,591 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:12:52,591 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:12:52,591 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:12:52,591 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:12:52,591 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:12:52,591 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:12:52,591 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_3a7b3ac0-4ce5-41f2-b6d3-cf8211e6d58b/bin/ukojak-verify-ENZ3QT5qd3 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 -> 32a11a65f3e38612319bca1346c2311552a0857eb7006c96fdce9d3817efe0e3 [2024-11-25 04:12:52,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:12:52,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:12:52,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:12:52,937 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:12:52,937 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:12:52,939 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a7b3ac0-4ce5-41f2-b6d3-cf8211e6d58b/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1.c [2024-11-25 04:12:56,212 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a7b3ac0-4ce5-41f2-b6d3-cf8211e6d58b/bin/ukojak-verify-ENZ3QT5qd3/data/c86d9ae66/14602c67876441639c10038e427f0ea7/FLAGebcdebf99 [2024-11-25 04:12:56,482 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:12:56,483 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a7b3ac0-4ce5-41f2-b6d3-cf8211e6d58b/sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1.c [2024-11-25 04:12:56,494 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a7b3ac0-4ce5-41f2-b6d3-cf8211e6d58b/bin/ukojak-verify-ENZ3QT5qd3/data/c86d9ae66/14602c67876441639c10038e427f0ea7/FLAGebcdebf99 [2024-11-25 04:12:56,519 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a7b3ac0-4ce5-41f2-b6d3-cf8211e6d58b/bin/ukojak-verify-ENZ3QT5qd3/data/c86d9ae66/14602c67876441639c10038e427f0ea7 [2024-11-25 04:12:56,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:12:56,524 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:12:56,528 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:12:56,529 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:12:56,533 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:12:56,534 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:12:56" (1/1) ... [2024-11-25 04:12:56,535 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@552245cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:56, skipping insertion in model container [2024-11-25 04:12:56,538 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:12:56" (1/1) ... [2024-11-25 04:12:56,555 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:12:56,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:12:56,814 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:12:56,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:12:56,899 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:12:56,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:56 WrapperNode [2024-11-25 04:12:56,900 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:12:56,901 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:12:56,901 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:12:56,901 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:12:56,911 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:56" (1/1) ... [2024-11-25 04:12:56,927 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:56" (1/1) ... [2024-11-25 04:12:56,955 INFO L138 Inliner]: procedures = 21, calls = 83, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2024-11-25 04:12:56,955 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:12:56,956 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:12:56,956 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:12:56,956 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:12:56,964 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:56" (1/1) ... [2024-11-25 04:12:56,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:56" (1/1) ... [2024-11-25 04:12:56,968 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:56" (1/1) ... [2024-11-25 04:12:56,969 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:56" (1/1) ... [2024-11-25 04:12:56,983 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:56" (1/1) ... [2024-11-25 04:12:56,985 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:56" (1/1) ... [2024-11-25 04:12:56,987 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:56" (1/1) ... [2024-11-25 04:12:56,990 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:56" (1/1) ... [2024-11-25 04:12:56,991 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:56" (1/1) ... [2024-11-25 04:12:56,995 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:12:56,996 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:12:56,996 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:12:56,996 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:12:56,997 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:12:56" (1/1) ... [2024-11-25 04:12:57,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:12:57,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a7b3ac0-4ce5-41f2-b6d3-cf8211e6d58b/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:12:57,031 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a7b3ac0-4ce5-41f2-b6d3-cf8211e6d58b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:12:57,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a7b3ac0-4ce5-41f2-b6d3-cf8211e6d58b/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:12:57,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:12:57,061 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_33_to_36_0 [2024-11-25 04:12:57,062 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_33_to_36_0 [2024-11-25 04:12:57,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:12:57,062 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 04:12:57,062 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 04:12:57,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 04:12:57,062 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_38_to_43_0 [2024-11-25 04:12:57,062 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_38_to_43_0 [2024-11-25 04:12:57,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-25 04:12:57,062 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_46_to_51_0 [2024-11-25 04:12:57,062 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_46_to_51_0 [2024-11-25 04:12:57,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:12:57,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:12:57,063 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 04:12:57,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 04:12:57,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 04:12:57,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-25 04:12:57,162 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:12:57,165 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:13:08,331 INFO L? ?]: Removed 225 outVars from TransFormulas that were not future-live. [2024-11-25 04:13:08,332 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:13:08,394 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:13:08,394 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-25 04:13:08,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:13:08 BoogieIcfgContainer [2024-11-25 04:13:08,395 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:13:08,395 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:13:08,397 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:13:08,407 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:13:08,407 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:13:08" (1/1) ... [2024-11-25 04:13:08,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:13:08,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:13:08,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 224 states and 236 transitions. [2024-11-25 04:13:08,484 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 236 transitions. [2024-11-25 04:13:08,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-25 04:13:08,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:13:08,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:13:08,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a7b3ac0-4ce5-41f2-b6d3-cf8211e6d58b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:13:08,490 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a7b3ac0-4ce5-41f2-b6d3-cf8211e6d58b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:13:08,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a7b3ac0-4ce5-41f2-b6d3-cf8211e6d58b/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:13:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:13:08,711 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:13:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat