./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-industry-pattern/ofuf_4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9dcf79-b92a-43ed-b2d1-fb9271804aae/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9dcf79-b92a-43ed-b2d1-fb9271804aae/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9dcf79-b92a-43ed-b2d1-fb9271804aae/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9dcf79-b92a-43ed-b2d1-fb9271804aae/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/ofuf_4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9dcf79-b92a-43ed-b2d1-fb9271804aae/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9dcf79-b92a-43ed-b2d1-fb9271804aae/bin/uautomizer-verify-LYvppIcaGC --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 469e121da4ec833c883deffdd0e34cc6fa7cb9d795a4a108dd1361b9d2695780 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:35:56,406 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:35:56,481 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9dcf79-b92a-43ed-b2d1-fb9271804aae/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-24 01:35:56,486 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:35:56,487 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:35:56,518 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:35:56,520 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:35:56,521 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:35:56,521 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:35:56,521 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:35:56,523 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:35:56,523 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:35:56,523 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:35:56,523 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:35:56,523 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:35:56,524 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:35:56,524 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:35:56,524 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:35:56,524 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:35:56,524 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:35:56,524 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:35:56,524 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:35:56,524 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:35:56,524 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:35:56,524 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 01:35:56,524 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 01:35:56,524 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:35:56,525 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:35:56,525 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:35:56,525 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:35:56,525 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:35:56,525 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:35:56,525 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:35:56,525 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:35:56,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:35:56,525 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:35:56,525 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:35:56,525 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:35:56,526 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:35:56,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:35:56,526 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:35:56,526 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:35:56,526 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:35:56,527 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:35:56,528 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:35:56,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:35:56,528 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:35:56,528 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:35:56,528 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:35:56,529 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:35:56,529 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9dcf79-b92a-43ed-b2d1-fb9271804aae/bin/uautomizer-verify-LYvppIcaGC 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 -> 469e121da4ec833c883deffdd0e34cc6fa7cb9d795a4a108dd1361b9d2695780 [2024-11-24 01:35:56,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:35:56,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:35:56,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:35:56,919 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:35:56,919 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:35:56,921 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9dcf79-b92a-43ed-b2d1-fb9271804aae/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/loop-industry-pattern/ofuf_4.c [2024-11-24 01:36:00,046 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9dcf79-b92a-43ed-b2d1-fb9271804aae/bin/uautomizer-verify-LYvppIcaGC/data/f30584d8b/86088948db9244aa9cc99b0aaca57b4b/FLAGd7cc8d9d0 [2024-11-24 01:36:00,378 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:36:00,379 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9dcf79-b92a-43ed-b2d1-fb9271804aae/sv-benchmarks/c/loop-industry-pattern/ofuf_4.c [2024-11-24 01:36:00,390 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9dcf79-b92a-43ed-b2d1-fb9271804aae/bin/uautomizer-verify-LYvppIcaGC/data/f30584d8b/86088948db9244aa9cc99b0aaca57b4b/FLAGd7cc8d9d0 [2024-11-24 01:36:00,407 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9dcf79-b92a-43ed-b2d1-fb9271804aae/bin/uautomizer-verify-LYvppIcaGC/data/f30584d8b/86088948db9244aa9cc99b0aaca57b4b [2024-11-24 01:36:00,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:36:00,414 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:36:00,416 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:36:00,416 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:36:00,422 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:36:00,423 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:36:00" (1/1) ... [2024-11-24 01:36:00,426 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ee7797b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:00, skipping insertion in model container [2024-11-24 01:36:00,426 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:36:00" (1/1) ... [2024-11-24 01:36:00,461 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:36:00,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:36:00,738 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:36:00,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:36:00,839 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:36:00,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:00 WrapperNode [2024-11-24 01:36:00,840 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:36:00,841 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:36:00,841 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:36:00,841 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:36:00,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:00" (1/1) ... [2024-11-24 01:36:00,860 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:00" (1/1) ... [2024-11-24 01:36:00,915 INFO L138 Inliner]: procedures = 29, calls = 158, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 456 [2024-11-24 01:36:00,918 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:36:00,919 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:36:00,919 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:36:00,919 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:36:00,930 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:00" (1/1) ... [2024-11-24 01:36:00,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:00" (1/1) ... [2024-11-24 01:36:00,943 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:00" (1/1) ... [2024-11-24 01:36:00,985 INFO L175 MemorySlicer]: Split 85 memory accesses to 15 slices as follows [2, 18, 5, 5, 3, 5, 3, 7, 11, 2, 4, 6, 12, 1, 1]. 21 percent of accesses are in the largest equivalence class. The 45 initializations are split as follows [2, 0, 1, 5, 3, 5, 3, 7, 4, 2, 0, 4, 7, 1, 1]. The 5 writes are split as follows [0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 1, 1, 1, 0, 0]. [2024-11-24 01:36:00,985 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:00" (1/1) ... [2024-11-24 01:36:00,985 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:00" (1/1) ... [2024-11-24 01:36:01,007 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:00" (1/1) ... [2024-11-24 01:36:01,009 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:00" (1/1) ... [2024-11-24 01:36:01,014 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:00" (1/1) ... [2024-11-24 01:36:01,018 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:00" (1/1) ... [2024-11-24 01:36:01,022 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:00" (1/1) ... [2024-11-24 01:36:01,029 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:36:01,030 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:36:01,030 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:36:01,030 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:36:01,031 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:00" (1/1) ... [2024-11-24 01:36:01,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:36:01,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9dcf79-b92a-43ed-b2d1-fb9271804aae/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:36:01,067 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9dcf79-b92a-43ed-b2d1-fb9271804aae/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:36:01,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9dcf79-b92a-43ed-b2d1-fb9271804aae/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:36:01,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-24 01:36:01,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-24 01:36:01,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-24 01:36:01,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-24 01:36:01,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-24 01:36:01,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-24 01:36:01,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-24 01:36:01,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-24 01:36:01,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-24 01:36:01,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-24 01:36:01,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-24 01:36:01,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-24 01:36:01,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-24 01:36:01,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-24 01:36:01,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-24 01:36:01,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:36:01,109 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2024-11-24 01:36:01,109 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2024-11-24 01:36:01,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-24 01:36:01,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-24 01:36:01,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-24 01:36:01,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-24 01:36:01,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-24 01:36:01,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-24 01:36:01,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-24 01:36:01,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-24 01:36:01,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-24 01:36:01,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-24 01:36:01,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-24 01:36:01,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-24 01:36:01,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-24 01:36:01,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-24 01:36:01,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-24 01:36:01,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 01:36:01,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 01:36:01,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 01:36:01,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 01:36:01,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 01:36:01,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 01:36:01,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 01:36:01,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 01:36:01,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 01:36:01,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-24 01:36:01,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-24 01:36:01,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-24 01:36:01,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-24 01:36:01,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-24 01:36:01,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-24 01:36:01,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-24 01:36:01,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 01:36:01,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 01:36:01,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 01:36:01,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 01:36:01,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 01:36:01,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 01:36:01,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 01:36:01,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 01:36:01,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-24 01:36:01,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-24 01:36:01,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-24 01:36:01,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-24 01:36:01,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-24 01:36:01,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-24 01:36:01,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-24 01:36:01,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-24 01:36:01,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-24 01:36:01,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-24 01:36:01,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-24 01:36:01,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-24 01:36:01,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-24 01:36:01,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-24 01:36:01,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-24 01:36:01,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-24 01:36:01,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-24 01:36:01,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-24 01:36:01,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-24 01:36:01,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-24 01:36:01,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-24 01:36:01,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-24 01:36:01,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:36:01,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 01:36:01,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 01:36:01,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 01:36:01,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 01:36:01,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 01:36:01,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 01:36:01,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 01:36:01,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-24 01:36:01,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-24 01:36:01,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-24 01:36:01,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-24 01:36:01,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-24 01:36:01,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-24 01:36:01,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-24 01:36:01,121 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2024-11-24 01:36:01,121 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2024-11-24 01:36:01,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 01:36:01,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:36:01,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:36:01,123 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2024-11-24 01:36:01,123 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2024-11-24 01:36:01,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 01:36:01,397 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:36:01,399 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:36:02,284 INFO L? ?]: Removed 153 outVars from TransFormulas that were not future-live. [2024-11-24 01:36:02,284 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:36:02,304 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:36:02,305 INFO L312 CfgBuilder]: Removed 7 assume(true) statements. [2024-11-24 01:36:02,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:36:02 BoogieIcfgContainer [2024-11-24 01:36:02,305 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:36:02,308 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:36:02,309 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:36:02,316 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:36:02,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:36:00" (1/3) ... [2024-11-24 01:36:02,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24d26165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:36:02, skipping insertion in model container [2024-11-24 01:36:02,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:36:00" (2/3) ... [2024-11-24 01:36:02,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24d26165 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:36:02, skipping insertion in model container [2024-11-24 01:36:02,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:36:02" (3/3) ... [2024-11-24 01:36:02,320 INFO L128 eAbstractionObserver]: Analyzing ICFG ofuf_4.c [2024-11-24 01:36:02,339 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:36:02,341 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ofuf_4.c that has 4 procedures, 115 locations, 1 initial locations, 7 loop locations, and 4 error locations. [2024-11-24 01:36:02,421 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:36:02,436 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4139701f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:36:02,436 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-24 01:36:02,441 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 99 states have (on average 1.595959595959596) internal successors, (158), 103 states have internal predecessors, (158), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-24 01:36:02,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-24 01:36:02,446 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:36:02,447 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-24 01:36:02,447 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-24 01:36:02,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:36:02,453 INFO L85 PathProgramCache]: Analyzing trace with hash 217648270, now seen corresponding path program 1 times [2024-11-24 01:36:02,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:36:02,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46330759] [2024-11-24 01:36:02,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:36:02,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:36:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:36:02,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 01:36:02,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:36:02,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46330759] [2024-11-24 01:36:02,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46330759] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:36:02,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:36:02,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-24 01:36:02,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991176989] [2024-11-24 01:36:02,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:36:02,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:36:02,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:36:02,831 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:36:02,832 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:36:02,836 INFO L87 Difference]: Start difference. First operand has 115 states, 99 states have (on average 1.595959595959596) internal successors, (158), 103 states have internal predecessors, (158), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:36:02,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:36:02,891 INFO L93 Difference]: Finished difference Result 219 states and 344 transitions. [2024-11-24 01:36:02,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:36:02,893 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-24 01:36:02,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:36:02,899 INFO L225 Difference]: With dead ends: 219 [2024-11-24 01:36:02,899 INFO L226 Difference]: Without dead ends: 0 [2024-11-24 01:36:02,908 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:36:02,912 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:36:02,915 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:36:02,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-24 01:36:02,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-24 01:36:02,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:36:02,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 01:36:02,941 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2024-11-24 01:36:02,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:36:02,941 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 01:36:02,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 5.0) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:36:02,941 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-24 01:36:02,942 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 01:36:02,944 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-24 01:36:02,945 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-24 01:36:02,945 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-24 01:36:02,945 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-24 01:36:02,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 01:36:02,949 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-24 01:36:02,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-24 01:36:02,986 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:36:03,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:36:03 BoogieIcfgContainer [2024-11-24 01:36:03,002 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:36:03,002 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:36:03,002 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:36:03,002 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:36:03,003 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:36:02" (3/4) ... [2024-11-24 01:36:03,006 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 01:36:03,010 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_89 [2024-11-24 01:36:03,011 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure avoid_zero [2024-11-24 01:36:03,011 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_95 [2024-11-24 01:36:03,028 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2024-11-24 01:36:03,030 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-24 01:36:03,031 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-24 01:36:03,032 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-24 01:36:03,032 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 01:36:03,033 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 01:36:03,196 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9dcf79-b92a-43ed-b2d1-fb9271804aae/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 01:36:03,196 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9dcf79-b92a-43ed-b2d1-fb9271804aae/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 01:36:03,196 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:36:03,198 INFO L158 Benchmark]: Toolchain (without parser) took 2783.26ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 92.3MB in the beginning and 313.2MB in the end (delta: -220.9MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-24 01:36:03,199 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 167.8MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:36:03,199 INFO L158 Benchmark]: CACSL2BoogieTranslator took 424.48ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 74.6MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:36:03,200 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.80ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 71.1MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:36:03,200 INFO L158 Benchmark]: Boogie Preprocessor took 110.55ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 65.1MB in the end (delta: 5.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:36:03,201 INFO L158 Benchmark]: RCFGBuilder took 1275.33ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 71.0MB in the end (delta: -5.8MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2024-11-24 01:36:03,203 INFO L158 Benchmark]: TraceAbstraction took 693.84ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 41.7MB in the end (delta: 28.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 01:36:03,204 INFO L158 Benchmark]: Witness Printer took 194.12ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 41.7MB in the beginning and 313.2MB in the end (delta: -271.5MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2024-11-24 01:36:03,205 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 167.8MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 424.48ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 74.6MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.80ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 71.1MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 110.55ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 65.1MB in the end (delta: 5.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1275.33ms. Allocated memory is still 117.4MB. Free memory was 65.1MB in the beginning and 71.0MB in the end (delta: -5.8MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. * TraceAbstraction took 693.84ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 41.7MB in the end (delta: 28.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 194.12ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 41.7MB in the beginning and 313.2MB in the end (delta: -271.5MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 354]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 354]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 378]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 378]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 115 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 160 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 160 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-24 01:36:03,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9d9dcf79-b92a-43ed-b2d1-fb9271804aae/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE