./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursified_nla-digbench/recursified_divbin2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/recursified_nla-digbench/recursified_divbin2.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! overflow) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '07d2bb25a1c8c4ef92611e8b25e211f661495bf054d1380ec62ffea892b45c2f'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/recursified_nla-digbench/recursified_divbin2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 07d2bb25a1c8c4ef92611e8b25e211f661495bf054d1380ec62ffea892b45c2f --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 20:56:25,875 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 20:56:25,983 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 20:56:25,991 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 20:56:25,993 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 20:56:26,014 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 20:56:26,014 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 20:56:26,014 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 20:56:26,015 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 20:56:26,015 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 20:56:26,015 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 20:56:26,015 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 20:56:26,015 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 20:56:26,015 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 20:56:26,016 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 20:56:26,016 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 20:56:26,016 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 20:56:26,016 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 20:56:26,016 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 20:56:26,016 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 20:56:26,016 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 20:56:26,017 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 20:56:26,017 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 20:56:26,017 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 20:56:26,017 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 20:56:26,017 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 20:56:26,017 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 20:56:26,017 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 20:56:26,017 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 20:56:26,018 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 20:56:26,018 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 20:56:26,018 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 20:56:26,018 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 20:56:26,018 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 20:56:26,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:56:26,019 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 20:56:26,019 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 20:56:26,019 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 20:56:26,019 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 20:56:26,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 20:56:26,019 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 20:56:26,019 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 20:56:26,019 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 20:56:26,019 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 20:56:26,019 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux 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 -> Automizer 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 -> 07d2bb25a1c8c4ef92611e8b25e211f661495bf054d1380ec62ffea892b45c2f [2024-11-07 20:56:26,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 20:56:26,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 20:56:26,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 20:56:26,316 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 20:56:26,316 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 20:56:26,317 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursified_nla-digbench/recursified_divbin2.i [2024-11-07 20:56:27,563 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 20:56:27,788 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 20:56:27,789 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/recursified_nla-digbench/recursified_divbin2.i [2024-11-07 20:56:27,795 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/33400fc5e/385451fd64864b6aa88517246ec48ee6/FLAGe14bf2192 [2024-11-07 20:56:28,139 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/33400fc5e/385451fd64864b6aa88517246ec48ee6 [2024-11-07 20:56:28,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 20:56:28,143 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 20:56:28,144 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 20:56:28,144 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 20:56:28,147 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 20:56:28,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:56:28" (1/1) ... [2024-11-07 20:56:28,149 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a0748b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:56:28, skipping insertion in model container [2024-11-07 20:56:28,149 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:56:28" (1/1) ... [2024-11-07 20:56:28,164 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 20:56:28,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:56:28,309 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 20:56:28,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:56:28,342 INFO L204 MainTranslator]: Completed translation [2024-11-07 20:56:28,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:56:28 WrapperNode [2024-11-07 20:56:28,343 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 20:56:28,344 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 20:56:28,344 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 20:56:28,344 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 20:56:28,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:56:28" (1/1) ... [2024-11-07 20:56:28,356 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:56:28" (1/1) ... [2024-11-07 20:56:28,370 INFO L138 Inliner]: procedures = 19, calls = 60, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2024-11-07 20:56:28,370 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 20:56:28,371 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 20:56:28,371 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 20:56:28,371 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 20:56:28,377 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:56:28" (1/1) ... [2024-11-07 20:56:28,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:56:28" (1/1) ... [2024-11-07 20:56:28,379 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:56:28" (1/1) ... [2024-11-07 20:56:28,389 INFO L175 MemorySlicer]: Split 34 memory accesses to 6 slices as follows [2, 3, 4, 7, 11, 7]. 32 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0]. The 10 writes are split as follows [0, 1, 1, 3, 3, 2]. [2024-11-07 20:56:28,392 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:56:28" (1/1) ... [2024-11-07 20:56:28,392 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:56:28" (1/1) ... [2024-11-07 20:56:28,397 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:56:28" (1/1) ... [2024-11-07 20:56:28,400 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:56:28" (1/1) ... [2024-11-07 20:56:28,401 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:56:28" (1/1) ... [2024-11-07 20:56:28,402 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:56:28" (1/1) ... [2024-11-07 20:56:28,403 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 20:56:28,404 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 20:56:28,404 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 20:56:28,404 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 20:56:28,405 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:56:28" (1/1) ... [2024-11-07 20:56:28,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:56:28,427 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:56:28,438 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 20:56:28,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 20:56:28,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 20:56:28,465 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_33_to_35_0 [2024-11-07 20:56:28,465 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_33_to_35_0 [2024-11-07 20:56:28,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 20:56:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 20:56:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 20:56:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 20:56:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 20:56:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 20:56:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 20:56:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 20:56:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 20:56:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 20:56:28,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 20:56:28,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 20:56:28,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 20:56:28,468 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_37_to_44_0 [2024-11-07 20:56:28,468 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_37_to_44_0 [2024-11-07 20:56:28,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 20:56:28,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 20:56:28,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 20:56:28,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 20:56:28,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 20:56:28,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 20:56:28,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 20:56:28,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 20:56:28,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 20:56:28,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 20:56:28,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 20:56:28,555 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 20:56:28,556 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 20:56:28,728 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-07 20:56:28,728 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 20:56:28,736 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 20:56:28,736 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-07 20:56:28,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:56:28 BoogieIcfgContainer [2024-11-07 20:56:28,737 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 20:56:28,739 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 20:56:28,739 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 20:56:28,743 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 20:56:28,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:56:28" (1/3) ... [2024-11-07 20:56:28,744 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@360c864c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:56:28, skipping insertion in model container [2024-11-07 20:56:28,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:56:28" (2/3) ... [2024-11-07 20:56:28,744 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@360c864c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:56:28, skipping insertion in model container [2024-11-07 20:56:28,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:56:28" (3/3) ... [2024-11-07 20:56:28,745 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_divbin2.i [2024-11-07 20:56:28,760 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 20:56:28,760 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2024-11-07 20:56:28,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@360c864c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:56:28, skipping insertion in model container [2024-11-07 20:56:28,763 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 20:56:28,763 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 20:56:28,763 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 20:56:28,764 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 20:56:28,765 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:56:28" (3/3) ... [2024-11-07 20:56:28,767 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-07 20:56:28,771 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_37_to_44_0 [2024-11-07 20:56:28,771 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure func_to_recursive_line_33_to_35_0 [2024-11-07 20:56:28,771 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-07 20:56:28,776 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2024-11-07 20:56:28,776 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-07 20:56:28,777 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-07 20:56:28,777 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-07 20:56:28,856 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-07 20:56:28,856 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-07 20:56:28,856 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 20:56:28,858 INFO L158 Benchmark]: Toolchain (without parser) took 714.64ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 55.9MB in the end (delta: 35.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-07 20:56:28,860 INFO L158 Benchmark]: CDTParser took 1.33ms. Allocated memory is still 117.4MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 20:56:28,860 INFO L158 Benchmark]: CACSL2BoogieTranslator took 199.48ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 80.5MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 20:56:28,860 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.63ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 20:56:28,861 INFO L158 Benchmark]: Boogie Preprocessor took 32.86ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 77.5MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 20:56:28,861 INFO L158 Benchmark]: RCFGBuilder took 332.67ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 63.4MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 20:56:28,861 INFO L158 Benchmark]: TraceAbstraction took 24.30ms. Allocated memory is still 117.4MB. Free memory was 62.9MB in the beginning and 60.8MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 20:56:28,861 INFO L158 Benchmark]: Witness Printer took 92.94ms. Allocated memory is still 117.4MB. Free memory was 60.8MB in the beginning and 55.9MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 20:56:28,863 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.33ms. Allocated memory is still 117.4MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 199.48ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 80.5MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.63ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.86ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 77.5MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 332.67ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 63.4MB in the end (delta: 14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 24.30ms. Allocated memory is still 117.4MB. Free memory was 62.9MB in the beginning and 60.8MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 92.94ms. Allocated memory is still 117.4MB. Free memory was 60.8MB in the beginning and 55.9MB in the end (delta: 4.9MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2024-11-07 20:56:28,888 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE