./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_e050b1d1-2d68-47cd-ae56-0a057b98a21e/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050b1d1-2d68-47cd-ae56-0a057b98a21e/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050b1d1-2d68-47cd-ae56-0a057b98a21e/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050b1d1-2d68-47cd-ae56-0a057b98a21e/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050b1d1-2d68-47cd-ae56-0a057b98a21e/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050b1d1-2d68-47cd-ae56-0a057b98a21e/bin/ukojak-verify-i0I2FZA1j2 --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 c6bb229683b6e478f26f29012535cd87eb287b5d79b78ad3ed39bceef2aa5826 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:33:32,651 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:33:32,760 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050b1d1-2d68-47cd-ae56-0a057b98a21e/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:33:32,771 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:33:32,772 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:33:32,812 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:33:32,814 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:33:32,814 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:33:32,816 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:33:32,820 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:33:32,822 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:33:32,822 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:33:32,822 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:33:32,824 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:33:32,826 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:33:32,826 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:33:32,826 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:33:32,827 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:33:32,827 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:33:32,828 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:33:32,828 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:33:32,829 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:33:32,829 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:33:32,829 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:33:32,841 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:33:32,841 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:33:32,842 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:33:32,842 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:33:32,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:33:32,843 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:33:32,844 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:33:32,844 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:33:32,845 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:33:32,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:33:32,845 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:33:32,845 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_e050b1d1-2d68-47cd-ae56-0a057b98a21e/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050b1d1-2d68-47cd-ae56-0a057b98a21e/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6bb229683b6e478f26f29012535cd87eb287b5d79b78ad3ed39bceef2aa5826 [2023-11-21 18:33:33,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:33:33,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:33:33,216 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:33:33,217 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:33:33,218 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:33:33,220 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050b1d1-2d68-47cd-ae56-0a057b98a21e/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2.c [2023-11-21 18:33:36,334 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:33:36,546 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:33:36,547 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050b1d1-2d68-47cd-ae56-0a057b98a21e/sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2.c [2023-11-21 18:33:36,560 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050b1d1-2d68-47cd-ae56-0a057b98a21e/bin/ukojak-verify-i0I2FZA1j2/data/1c8681209/b0c435c37a8f4a0980ac7acf3d4595ff/FLAG3f7430948 [2023-11-21 18:33:36,897 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050b1d1-2d68-47cd-ae56-0a057b98a21e/bin/ukojak-verify-i0I2FZA1j2/data/1c8681209/b0c435c37a8f4a0980ac7acf3d4595ff [2023-11-21 18:33:36,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:33:36,901 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:33:36,903 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:33:36,903 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:33:36,908 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:33:36,909 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:33:36" (1/1) ... [2023-11-21 18:33:36,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68d6f0b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:36, skipping insertion in model container [2023-11-21 18:33:36,910 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:33:36" (1/1) ... [2023-11-21 18:33:36,935 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:33:37,116 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:33:37,128 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:33:37,159 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:33:37,174 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:33:37,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:37 WrapperNode [2023-11-21 18:33:37,175 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:33:37,176 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:33:37,177 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:33:37,177 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:33:37,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:37" (1/1) ... [2023-11-21 18:33:37,194 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:37" (1/1) ... [2023-11-21 18:33:37,219 INFO L138 Inliner]: procedures = 16, calls = 60, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 101 [2023-11-21 18:33:37,219 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:33:37,220 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:33:37,220 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:33:37,221 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:33:37,266 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:37" (1/1) ... [2023-11-21 18:33:37,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:37" (1/1) ... [2023-11-21 18:33:37,270 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:37" (1/1) ... [2023-11-21 18:33:37,273 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:37" (1/1) ... [2023-11-21 18:33:37,312 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:37" (1/1) ... [2023-11-21 18:33:37,315 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:37" (1/1) ... [2023-11-21 18:33:37,317 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:37" (1/1) ... [2023-11-21 18:33:37,318 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:37" (1/1) ... [2023-11-21 18:33:37,321 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:33:37,322 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:33:37,323 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:33:37,323 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:33:37,324 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:37" (1/1) ... [2023-11-21 18:33:37,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:33:37,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050b1d1-2d68-47cd-ae56-0a057b98a21e/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:33:37,378 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050b1d1-2d68-47cd-ae56-0a057b98a21e/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:33:37,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050b1d1-2d68-47cd-ae56-0a057b98a21e/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:33:37,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:33:37,424 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:33:37,424 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:33:37,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:33:37,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:33:37,425 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_33_to_42_0 [2023-11-21 18:33:37,425 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_33_to_42_0 [2023-11-21 18:33:37,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:33:37,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:33:37,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:33:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:33:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:33:37,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:33:37,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:33:37,508 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:33:37,510 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:33:38,038 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:33:38,078 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:33:38,078 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:33:38,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:33:38 BoogieIcfgContainer [2023-11-21 18:33:38,080 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:33:38,081 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:33:38,081 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:33:38,092 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:33:38,092 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:33:38" (1/1) ... [2023-11-21 18:33:38,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:33:38,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:38,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 135 states and 140 transitions. [2023-11-21 18:33:38,171 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 140 transitions. [2023-11-21 18:33:38,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-21 18:33:38,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:38,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:33:38,312 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:33:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:33:38,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:33:38,439 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:33:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:33:38,461 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-21 18:33:38,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:33:38 ImpRootNode [2023-11-21 18:33:38,499 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:33:38,501 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:33:38,501 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:33:38,502 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:33:38,503 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:33:38" (3/4) ... [2023-11-21 18:33:38,507 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 18:33:38,509 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:33:38,510 INFO L158 Benchmark]: Toolchain (without parser) took 1608.66ms. Allocated memory is still 159.4MB. Free memory was 129.8MB in the beginning and 89.7MB in the end (delta: 40.1MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2023-11-21 18:33:38,512 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 127.9MB. Free memory was 101.7MB in the beginning and 101.6MB in the end (delta: 72.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:33:38,512 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.90ms. Allocated memory is still 159.4MB. Free memory was 129.8MB in the beginning and 118.5MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:33:38,514 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.12ms. Allocated memory is still 159.4MB. Free memory was 118.5MB in the beginning and 116.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:33:38,515 INFO L158 Benchmark]: Boogie Preprocessor took 101.46ms. Allocated memory is still 159.4MB. Free memory was 116.7MB in the beginning and 130.5MB in the end (delta: -13.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:33:38,516 INFO L158 Benchmark]: RCFGBuilder took 758.09ms. Allocated memory is still 159.4MB. Free memory was 130.1MB in the beginning and 104.7MB in the end (delta: 25.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-21 18:33:38,517 INFO L158 Benchmark]: CodeCheck took 418.21ms. Allocated memory is still 159.4MB. Free memory was 104.7MB in the beginning and 90.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 18:33:38,518 INFO L158 Benchmark]: Witness Printer took 8.07ms. Allocated memory is still 159.4MB. Free memory was 90.0MB in the beginning and 89.7MB in the end (delta: 314.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:33:38,528 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 4 procedures, 135 locations, 56 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 88]: 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 86. Possible FailurePath: [L81] int A; [L82] int R; [L83] int u; [L84] int v; [L85] int r; [L86] A = __VERIFIER_nondet_double() [L87] R = __VERIFIER_nondet_double() [L88] R - 1 VAL [A={8236:0}, R=-2147483648, r={8234:0}, u={8237:0}, v={8235:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 127.9MB. Free memory was 101.7MB in the beginning and 101.6MB in the end (delta: 72.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 272.90ms. Allocated memory is still 159.4MB. Free memory was 129.8MB in the beginning and 118.5MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.12ms. Allocated memory is still 159.4MB. Free memory was 118.5MB in the beginning and 116.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.46ms. Allocated memory is still 159.4MB. Free memory was 116.7MB in the beginning and 130.5MB in the end (delta: -13.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 758.09ms. Allocated memory is still 159.4MB. Free memory was 130.1MB in the beginning and 104.7MB in the end (delta: 25.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 418.21ms. Allocated memory is still 159.4MB. Free memory was 104.7MB in the beginning and 90.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 8.07ms. Allocated memory is still 159.4MB. Free memory was 90.0MB in the beginning and 89.7MB in the end (delta: 314.5kB). 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 [2023-11-21 18:33:38,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050b1d1-2d68-47cd-ae56-0a057b98a21e/bin/ukojak-verify-i0I2FZA1j2/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_e050b1d1-2d68-47cd-ae56-0a057b98a21e/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050b1d1-2d68-47cd-ae56-0a057b98a21e/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050b1d1-2d68-47cd-ae56-0a057b98a21e/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050b1d1-2d68-47cd-ae56-0a057b98a21e/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050b1d1-2d68-47cd-ae56-0a057b98a21e/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050b1d1-2d68-47cd-ae56-0a057b98a21e/bin/ukojak-verify-i0I2FZA1j2 --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 c6bb229683b6e478f26f29012535cd87eb287b5d79b78ad3ed39bceef2aa5826 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:33:41,145 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:33:41,230 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050b1d1-2d68-47cd-ae56-0a057b98a21e/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:33:41,268 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:33:41,269 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:33:41,269 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:33:41,270 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:33:41,271 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:33:41,272 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:33:41,272 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:33:41,273 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:33:41,274 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:33:41,274 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:33:41,275 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:33:41,275 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:33:41,276 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:33:41,277 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:33:41,277 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:33:41,278 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:33:41,279 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:33:41,279 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:33:41,289 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:33:41,289 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:33:41,290 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:33:41,290 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:33:41,291 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:33:41,291 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:33:41,292 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:33:41,292 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:33:41,293 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:33:41,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:33:41,299 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:33:41,300 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:33:41,300 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:33:41,300 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:33:41,301 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:33:41,301 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:33:41,302 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:33:41,302 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:33:41,303 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_e050b1d1-2d68-47cd-ae56-0a057b98a21e/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050b1d1-2d68-47cd-ae56-0a057b98a21e/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6bb229683b6e478f26f29012535cd87eb287b5d79b78ad3ed39bceef2aa5826 [2023-11-21 18:33:41,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:33:41,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:33:41,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:33:41,721 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:33:41,721 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:33:41,724 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050b1d1-2d68-47cd-ae56-0a057b98a21e/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2.c [2023-11-21 18:33:45,022 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:33:45,257 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:33:45,257 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050b1d1-2d68-47cd-ae56-0a057b98a21e/sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2.c [2023-11-21 18:33:45,267 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050b1d1-2d68-47cd-ae56-0a057b98a21e/bin/ukojak-verify-i0I2FZA1j2/data/06a9c556e/af755e675f8e4f059b1d28199f24324e/FLAG6564304d9 [2023-11-21 18:33:45,283 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050b1d1-2d68-47cd-ae56-0a057b98a21e/bin/ukojak-verify-i0I2FZA1j2/data/06a9c556e/af755e675f8e4f059b1d28199f24324e [2023-11-21 18:33:45,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:33:45,287 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:33:45,290 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:33:45,290 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:33:45,295 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:33:45,296 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:33:45" (1/1) ... [2023-11-21 18:33:45,298 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e8a3004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:45, skipping insertion in model container [2023-11-21 18:33:45,298 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:33:45" (1/1) ... [2023-11-21 18:33:45,323 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:33:45,531 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:33:45,547 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:33:45,579 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:33:45,597 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:33:45,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:45 WrapperNode [2023-11-21 18:33:45,598 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:33:45,600 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:33:45,600 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:33:45,600 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:33:45,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:45" (1/1) ... [2023-11-21 18:33:45,621 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:45" (1/1) ... [2023-11-21 18:33:45,647 INFO L138 Inliner]: procedures = 19, calls = 60, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 102 [2023-11-21 18:33:45,648 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:33:45,648 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:33:45,649 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:33:45,649 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:33:45,659 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:45" (1/1) ... [2023-11-21 18:33:45,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:45" (1/1) ... [2023-11-21 18:33:45,665 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:45" (1/1) ... [2023-11-21 18:33:45,666 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:45" (1/1) ... [2023-11-21 18:33:45,683 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:45" (1/1) ... [2023-11-21 18:33:45,686 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:45" (1/1) ... [2023-11-21 18:33:45,689 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:45" (1/1) ... [2023-11-21 18:33:45,692 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:45" (1/1) ... [2023-11-21 18:33:45,697 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:33:45,698 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:33:45,698 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:33:45,699 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:33:45,700 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:45" (1/1) ... [2023-11-21 18:33:45,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:33:45,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050b1d1-2d68-47cd-ae56-0a057b98a21e/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:33:45,749 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050b1d1-2d68-47cd-ae56-0a057b98a21e/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:33:45,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050b1d1-2d68-47cd-ae56-0a057b98a21e/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:33:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:33:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:33:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:33:45,791 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:33:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:33:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_33_to_42_0 [2023-11-21 18:33:45,792 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_33_to_42_0 [2023-11-21 18:33:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:33:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:33:45,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:33:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:33:45,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:33:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:33:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:33:45,888 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:33:45,891 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:33:55,930 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:33:55,990 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:33:55,990 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:33:55,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:33:55 BoogieIcfgContainer [2023-11-21 18:33:55,992 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:33:55,993 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:33:55,993 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:33:56,003 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:33:56,003 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:33:55" (1/1) ... [2023-11-21 18:33:56,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:33:56,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:56,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 135 states and 140 transitions. [2023-11-21 18:33:56,071 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 140 transitions. [2023-11-21 18:33:56,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-21 18:33:56,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:56,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:33:56,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050b1d1-2d68-47cd-ae56-0a057b98a21e/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:33:56,075 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050b1d1-2d68-47cd-ae56-0a057b98a21e/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:33:56,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e050b1d1-2d68-47cd-ae56-0a057b98a21e/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-21 18:33:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:33:56,298 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:33:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat