./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 9bd2c7ff 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_5d1ee334-73c2-453c-be84-0b14f1105790/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ee334-73c2-453c-be84-0b14f1105790/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ee334-73c2-453c-be84-0b14f1105790/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ee334-73c2-453c-be84-0b14f1105790/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ee334-73c2-453c-be84-0b14f1105790/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ee334-73c2-453c-be84-0b14f1105790/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 32a11a65f3e38612319bca1346c2311552a0857eb7006c96fdce9d3817efe0e3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:34:20,312 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:34:20,460 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ee334-73c2-453c-be84-0b14f1105790/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:34:20,468 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:34:20,469 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:34:20,500 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:34:20,501 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:34:20,502 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:34:20,503 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:34:20,504 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:34:20,505 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:34:20,506 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:34:20,506 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:34:20,507 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:34:20,508 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:34:20,509 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:34:20,510 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:34:20,511 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:34:20,512 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:34:20,512 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:34:20,513 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:34:20,514 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:34:20,515 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:34:20,516 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:34:20,516 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:34:20,517 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:34:20,518 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:34:20,518 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:34:20,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:34:20,520 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:34:20,520 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:34:20,521 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:34:20,522 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:34:20,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:34:20,523 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:34:20,524 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_5d1ee334-73c2-453c-be84-0b14f1105790/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ee334-73c2-453c-be84-0b14f1105790/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32a11a65f3e38612319bca1346c2311552a0857eb7006c96fdce9d3817efe0e3 [2023-11-19 03:34:20,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:34:20,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:34:20,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:34:20,871 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:34:20,871 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:34:20,873 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ee334-73c2-453c-be84-0b14f1105790/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1.c [2023-11-19 03:34:24,780 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:34:25,056 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:34:25,057 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ee334-73c2-453c-be84-0b14f1105790/sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1.c [2023-11-19 03:34:25,068 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ee334-73c2-453c-be84-0b14f1105790/bin/ukojak-verify-G8NBE6pJGL/data/7e97ceb85/384c11cc04a14340a8d75d91357b0535/FLAG386df3b57 [2023-11-19 03:34:25,085 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ee334-73c2-453c-be84-0b14f1105790/bin/ukojak-verify-G8NBE6pJGL/data/7e97ceb85/384c11cc04a14340a8d75d91357b0535 [2023-11-19 03:34:25,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:34:25,091 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:34:25,092 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:34:25,093 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:34:25,098 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:34:25,099 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:34:25" (1/1) ... [2023-11-19 03:34:25,101 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dbdf96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:25, skipping insertion in model container [2023-11-19 03:34:25,101 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:34:25" (1/1) ... [2023-11-19 03:34:25,132 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:34:25,368 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:34:25,383 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:34:25,430 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:34:25,450 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:34:25,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:25 WrapperNode [2023-11-19 03:34:25,451 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:34:25,452 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:34:25,452 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:34:25,452 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:34:25,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:25" (1/1) ... [2023-11-19 03:34:25,474 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:25" (1/1) ... [2023-11-19 03:34:25,507 INFO L138 Inliner]: procedures = 18, calls = 83, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 101 [2023-11-19 03:34:25,507 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:34:25,508 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:34:25,509 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:34:25,509 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:34:25,521 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:25" (1/1) ... [2023-11-19 03:34:25,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:25" (1/1) ... [2023-11-19 03:34:25,528 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:25" (1/1) ... [2023-11-19 03:34:25,528 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:25" (1/1) ... [2023-11-19 03:34:25,541 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:25" (1/1) ... [2023-11-19 03:34:25,544 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:25" (1/1) ... [2023-11-19 03:34:25,548 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:25" (1/1) ... [2023-11-19 03:34:25,550 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:25" (1/1) ... [2023-11-19 03:34:25,555 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:34:25,556 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:34:25,557 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:34:25,557 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:34:25,558 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:25" (1/1) ... [2023-11-19 03:34:25,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:34:25,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ee334-73c2-453c-be84-0b14f1105790/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:34:25,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ee334-73c2-453c-be84-0b14f1105790/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:34:25,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ee334-73c2-453c-be84-0b14f1105790/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:34:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:34:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_33_to_36_0 [2023-11-19 03:34:25,654 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_33_to_36_0 [2023-11-19 03:34:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:34:25,654 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:34:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:34:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:34:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:34:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_38_to_43_0 [2023-11-19 03:34:25,655 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_38_to_43_0 [2023-11-19 03:34:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_46_to_51_0 [2023-11-19 03:34:25,655 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_46_to_51_0 [2023-11-19 03:34:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:34:25,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:34:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:34:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:34:25,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:34:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:34:25,774 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:34:25,777 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:34:26,674 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:34:26,756 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:34:26,757 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:34:26,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:34:26 BoogieIcfgContainer [2023-11-19 03:34:26,775 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:34:26,777 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:34:26,777 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:34:26,787 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:34:26,788 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:34:26" (1/1) ... [2023-11-19 03:34:26,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:34:26,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:26,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 224 states and 236 transitions. [2023-11-19 03:34:26,884 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 236 transitions. [2023-11-19 03:34:26,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:34:26,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:26,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:34:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:34:27,060 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:34:27,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:34:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:34:27,210 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:34:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:34:27,270 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:34:27,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:34:27 ImpRootNode [2023-11-19 03:34:27,319 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:34:27,321 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:34:27,321 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:34:27,321 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:34:27,322 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:34:26" (3/4) ... [2023-11-19 03:34:27,325 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:34:27,328 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:34:27,330 INFO L158 Benchmark]: Toolchain (without parser) took 2238.52ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 98.2MB in the beginning and 117.7MB in the end (delta: -19.5MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2023-11-19 03:34:27,331 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 136.3MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:34:27,333 INFO L158 Benchmark]: CACSL2BoogieTranslator took 358.74ms. Allocated memory is still 136.3MB. Free memory was 97.8MB in the beginning and 86.0MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:34:27,335 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.94ms. Allocated memory is still 136.3MB. Free memory was 86.0MB in the beginning and 84.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:34:27,336 INFO L158 Benchmark]: Boogie Preprocessor took 47.04ms. Allocated memory is still 136.3MB. Free memory was 84.2MB in the beginning and 82.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:34:27,337 INFO L158 Benchmark]: RCFGBuilder took 1219.17ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 82.4MB in the beginning and 133.4MB in the end (delta: -51.0MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2023-11-19 03:34:27,339 INFO L158 Benchmark]: CodeCheck took 543.08ms. Allocated memory is still 174.1MB. Free memory was 133.4MB in the beginning and 118.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:34:27,340 INFO L158 Benchmark]: Witness Printer took 7.66ms. Allocated memory is still 174.1MB. Free memory was 118.7MB in the beginning and 117.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:34:27,350 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: 0.5s, 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: 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={21864:0}, R=-2147483648, r={21862:0}, u={21865:0}, v={21863:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 136.3MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 358.74ms. Allocated memory is still 136.3MB. Free memory was 97.8MB in the beginning and 86.0MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.94ms. Allocated memory is still 136.3MB. Free memory was 86.0MB in the beginning and 84.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.04ms. Allocated memory is still 136.3MB. Free memory was 84.2MB in the beginning and 82.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1219.17ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 82.4MB in the beginning and 133.4MB in the end (delta: -51.0MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * CodeCheck took 543.08ms. Allocated memory is still 174.1MB. Free memory was 133.4MB in the beginning and 118.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 7.66ms. Allocated memory is still 174.1MB. Free memory was 118.7MB in the beginning and 117.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:34:27,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ee334-73c2-453c-be84-0b14f1105790/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ee334-73c2-453c-be84-0b14f1105790/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ee334-73c2-453c-be84-0b14f1105790/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ee334-73c2-453c-be84-0b14f1105790/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ee334-73c2-453c-be84-0b14f1105790/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ee334-73c2-453c-be84-0b14f1105790/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ee334-73c2-453c-be84-0b14f1105790/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 32a11a65f3e38612319bca1346c2311552a0857eb7006c96fdce9d3817efe0e3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:34:30,276 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:34:30,357 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ee334-73c2-453c-be84-0b14f1105790/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-19 03:34:30,391 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:34:30,392 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:34:30,393 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:34:30,393 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:34:30,394 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:34:30,395 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:34:30,395 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:34:30,396 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:34:30,396 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:34:30,397 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:34:30,397 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:34:30,398 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:34:30,398 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:34:30,399 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:34:30,399 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:34:30,400 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:34:30,400 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:34:30,401 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:34:30,401 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:34:30,402 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:34:30,402 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:34:30,403 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:34:30,403 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:34:30,404 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:34:30,404 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:34:30,404 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:34:30,405 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:34:30,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:34:30,406 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:34:30,406 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:34:30,407 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:34:30,407 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:34:30,407 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:34:30,408 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:34:30,408 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:34:30,409 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:34:30,409 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_5d1ee334-73c2-453c-be84-0b14f1105790/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ee334-73c2-453c-be84-0b14f1105790/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32a11a65f3e38612319bca1346c2311552a0857eb7006c96fdce9d3817efe0e3 [2023-11-19 03:34:30,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:34:30,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:34:30,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:34:30,854 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:34:30,855 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:34:30,856 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ee334-73c2-453c-be84-0b14f1105790/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1.c [2023-11-19 03:34:34,475 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:34:34,737 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:34:34,737 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ee334-73c2-453c-be84-0b14f1105790/sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1.c [2023-11-19 03:34:34,749 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ee334-73c2-453c-be84-0b14f1105790/bin/ukojak-verify-G8NBE6pJGL/data/bc81a3900/1d607943f5b349f0b2627116e34edae5/FLAG7b4ca8a8b [2023-11-19 03:34:34,771 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ee334-73c2-453c-be84-0b14f1105790/bin/ukojak-verify-G8NBE6pJGL/data/bc81a3900/1d607943f5b349f0b2627116e34edae5 [2023-11-19 03:34:34,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:34:34,776 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:34:34,781 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:34:34,781 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:34:34,787 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:34:34,789 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:34:34" (1/1) ... [2023-11-19 03:34:34,794 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6074b31a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:34, skipping insertion in model container [2023-11-19 03:34:34,794 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:34:34" (1/1) ... [2023-11-19 03:34:34,842 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:34:35,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:34:35,125 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:34:35,177 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:34:35,206 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:34:35,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:35 WrapperNode [2023-11-19 03:34:35,207 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:34:35,208 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:34:35,208 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:34:35,208 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:34:35,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:35" (1/1) ... [2023-11-19 03:34:35,254 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:35" (1/1) ... [2023-11-19 03:34:35,282 INFO L138 Inliner]: procedures = 21, calls = 83, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2023-11-19 03:34:35,283 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:34:35,284 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:34:35,284 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:34:35,284 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:34:35,295 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:35" (1/1) ... [2023-11-19 03:34:35,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:35" (1/1) ... [2023-11-19 03:34:35,302 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:35" (1/1) ... [2023-11-19 03:34:35,302 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:35" (1/1) ... [2023-11-19 03:34:35,320 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:35" (1/1) ... [2023-11-19 03:34:35,323 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:35" (1/1) ... [2023-11-19 03:34:35,328 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:35" (1/1) ... [2023-11-19 03:34:35,331 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:35" (1/1) ... [2023-11-19 03:34:35,337 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:34:35,338 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:34:35,339 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:34:35,339 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:34:35,340 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:34:35" (1/1) ... [2023-11-19 03:34:35,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:34:35,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ee334-73c2-453c-be84-0b14f1105790/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:34:35,388 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ee334-73c2-453c-be84-0b14f1105790/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:34:35,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ee334-73c2-453c-be84-0b14f1105790/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:34:35,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:34:35,436 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_33_to_36_0 [2023-11-19 03:34:35,437 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_33_to_36_0 [2023-11-19 03:34:35,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:34:35,437 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:34:35,437 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:34:35,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:34:35,438 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_38_to_43_0 [2023-11-19 03:34:35,439 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_38_to_43_0 [2023-11-19 03:34:35,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:34:35,439 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_46_to_51_0 [2023-11-19 03:34:35,439 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_46_to_51_0 [2023-11-19 03:34:35,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:34:35,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:34:35,440 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:34:35,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:34:35,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:34:35,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:34:35,583 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:34:35,586 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:34:50,128 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:34:50,176 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:34:50,176 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 03:34:50,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:34:50 BoogieIcfgContainer [2023-11-19 03:34:50,191 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:34:50,192 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:34:50,192 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:34:50,205 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:34:50,206 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:34:50" (1/1) ... [2023-11-19 03:34:50,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:34:50,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:34:50,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 224 states and 236 transitions. [2023-11-19 03:34:50,317 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 236 transitions. [2023-11-19 03:34:50,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:34:50,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:34:50,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:34:50,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ee334-73c2-453c-be84-0b14f1105790/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:34:50,323 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ee334-73c2-453c-be84-0b14f1105790/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:34:50,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ee334-73c2-453c-be84-0b14f1105790/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:34:50,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:34:50,588 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:34:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat