./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-industry-pattern/ofuf_5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b412fece-3e5e-4894-bdde-f4dfe62c5a03/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b412fece-3e5e-4894-bdde-f4dfe62c5a03/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b412fece-3e5e-4894-bdde-f4dfe62c5a03/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b412fece-3e5e-4894-bdde-f4dfe62c5a03/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/ofuf_5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b412fece-3e5e-4894-bdde-f4dfe62c5a03/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b412fece-3e5e-4894-bdde-f4dfe62c5a03/bin/uautomizer-verify-aQ6SnzHsRB --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 dbf8943cb9f9a3b213e9817cc53efcf4d89e0e525f47b2351825c8c29bc65e71 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:34:23,434 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:34:23,581 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b412fece-3e5e-4894-bdde-f4dfe62c5a03/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-28 04:34:23,597 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:34:23,601 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:34:23,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:34:23,650 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:34:23,650 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:34:23,651 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:34:23,651 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:34:23,651 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:34:23,651 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:34:23,652 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:34:23,652 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:34:23,652 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:34:23,652 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:34:23,653 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:34:23,653 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:34:23,653 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:34:23,653 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:34:23,653 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:34:23,653 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:34:23,653 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:34:23,654 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:34:23,654 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 04:34:23,654 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:34:23,654 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:34:23,654 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:34:23,654 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:34:23,655 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:34:23,655 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:34:23,655 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:34:23,655 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:34:23,655 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:34:23,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:34:23,656 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:34:23,656 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:34:23,656 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:34:23,656 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:34:23,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:34:23,656 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:34:23,656 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:34:23,657 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:34:23,657 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:34:23,657 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:34:23,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:34:23,657 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:34:23,657 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:34:23,657 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:34:23,658 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:34:23,658 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_b412fece-3e5e-4894-bdde-f4dfe62c5a03/bin/uautomizer-verify-aQ6SnzHsRB 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 -> dbf8943cb9f9a3b213e9817cc53efcf4d89e0e525f47b2351825c8c29bc65e71 [2024-11-28 04:34:24,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:34:24,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:34:24,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:34:24,136 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:34:24,137 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:34:24,139 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b412fece-3e5e-4894-bdde-f4dfe62c5a03/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/loop-industry-pattern/ofuf_5.c [2024-11-28 04:34:27,727 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b412fece-3e5e-4894-bdde-f4dfe62c5a03/bin/uautomizer-verify-aQ6SnzHsRB/data/c6858bceb/259e1041e94e43b88d550bf3f14c3c7c/FLAGf307e2582 [2024-11-28 04:34:28,060 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:34:28,061 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b412fece-3e5e-4894-bdde-f4dfe62c5a03/sv-benchmarks/c/loop-industry-pattern/ofuf_5.c [2024-11-28 04:34:28,076 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b412fece-3e5e-4894-bdde-f4dfe62c5a03/bin/uautomizer-verify-aQ6SnzHsRB/data/c6858bceb/259e1041e94e43b88d550bf3f14c3c7c/FLAGf307e2582 [2024-11-28 04:34:28,093 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b412fece-3e5e-4894-bdde-f4dfe62c5a03/bin/uautomizer-verify-aQ6SnzHsRB/data/c6858bceb/259e1041e94e43b88d550bf3f14c3c7c [2024-11-28 04:34:28,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:34:28,098 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:34:28,099 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:34:28,099 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:34:28,105 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:34:28,106 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:34:28" (1/1) ... [2024-11-28 04:34:28,107 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c395bce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:28, skipping insertion in model container [2024-11-28 04:34:28,107 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:34:28" (1/1) ... [2024-11-28 04:34:28,151 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:34:28,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:34:28,548 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:34:28,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:34:28,695 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:34:28,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:28 WrapperNode [2024-11-28 04:34:28,697 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:34:28,698 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:34:28,698 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:34:28,699 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:34:28,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:28" (1/1) ... [2024-11-28 04:34:28,734 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:28" (1/1) ... [2024-11-28 04:34:28,781 INFO L138 Inliner]: procedures = 29, calls = 158, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 456 [2024-11-28 04:34:28,781 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:34:28,782 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:34:28,782 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:34:28,782 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:34:28,793 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:28" (1/1) ... [2024-11-28 04:34:28,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:28" (1/1) ... [2024-11-28 04:34:28,800 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:28" (1/1) ... [2024-11-28 04:34:28,834 INFO L175 MemorySlicer]: Split 85 memory accesses to 15 slices as follows [2, 5, 5, 3, 11, 5, 1, 3, 1, 7, 2, 4, 6, 12, 18]. 21 percent of accesses are in the largest equivalence class. The 45 initializations are split as follows [2, 1, 5, 3, 4, 5, 1, 3, 1, 7, 2, 0, 4, 7, 0]. The 5 writes are split as follows [0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0]. [2024-11-28 04:34:28,838 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:28" (1/1) ... [2024-11-28 04:34:28,838 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:28" (1/1) ... [2024-11-28 04:34:28,887 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:28" (1/1) ... [2024-11-28 04:34:28,889 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:28" (1/1) ... [2024-11-28 04:34:28,894 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:28" (1/1) ... [2024-11-28 04:34:28,899 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:28" (1/1) ... [2024-11-28 04:34:28,902 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:28" (1/1) ... [2024-11-28 04:34:28,910 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:34:28,911 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:34:28,911 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:34:28,911 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:34:28,912 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:28" (1/1) ... [2024-11-28 04:34:28,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:34:28,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b412fece-3e5e-4894-bdde-f4dfe62c5a03/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:34:28,952 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b412fece-3e5e-4894-bdde-f4dfe62c5a03/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:34:28,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b412fece-3e5e-4894-bdde-f4dfe62c5a03/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:34:28,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 04:34:28,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 04:34:28,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 04:34:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 04:34:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 04:34:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 04:34:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-28 04:34:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-28 04:34:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-28 04:34:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-28 04:34:28,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-28 04:34:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-28 04:34:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-28 04:34:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-28 04:34:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-28 04:34:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:34:28,992 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2024-11-28 04:34:28,993 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2024-11-28 04:34:28,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 04:34:28,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 04:34:28,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 04:34:28,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 04:34:28,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 04:34:28,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 04:34:28,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 04:34:28,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 04:34:28,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 04:34:28,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 04:34:28,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 04:34:28,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-28 04:34:28,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-28 04:34:28,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-28 04:34:28,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-28 04:34:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 04:34:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 04:34:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 04:34:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 04:34:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 04:34:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 04:34:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 04:34:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 04:34:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 04:34:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 04:34:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 04:34:28,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 04:34:28,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 04:34:28,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 04:34:28,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 04:34:28,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-28 04:34:28,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 04:34:28,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 04:34:28,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 04:34:28,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 04:34:28,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 04:34:28,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 04:34:28,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 04:34:28,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 04:34:28,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 04:34:29,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 04:34:29,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 04:34:29,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 04:34:29,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 04:34:29,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 04:34:29,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-28 04:34:29,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 04:34:29,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 04:34:29,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 04:34:29,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 04:34:29,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 04:34:29,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 04:34:29,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 04:34:29,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 04:34:29,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 04:34:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 04:34:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 04:34:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-28 04:34:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-28 04:34:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-28 04:34:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-28 04:34:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:34:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 04:34:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 04:34:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 04:34:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 04:34:29,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 04:34:29,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 04:34:29,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 04:34:29,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 04:34:29,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 04:34:29,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 04:34:29,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 04:34:29,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 04:34:29,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 04:34:29,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-28 04:34:29,004 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2024-11-28 04:34:29,005 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2024-11-28 04:34:29,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 04:34:29,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:34:29,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:34:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2024-11-28 04:34:29,007 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2024-11-28 04:34:29,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 04:34:29,344 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:34:29,346 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:34:30,239 INFO L? ?]: Removed 153 outVars from TransFormulas that were not future-live. [2024-11-28 04:34:30,240 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:34:30,256 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:34:30,256 INFO L312 CfgBuilder]: Removed 7 assume(true) statements. [2024-11-28 04:34:30,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:34:30 BoogieIcfgContainer [2024-11-28 04:34:30,260 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:34:30,263 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:34:30,263 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:34:30,269 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:34:30,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:34:28" (1/3) ... [2024-11-28 04:34:30,270 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a0235ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:34:30, skipping insertion in model container [2024-11-28 04:34:30,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:28" (2/3) ... [2024-11-28 04:34:30,271 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a0235ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:34:30, skipping insertion in model container [2024-11-28 04:34:30,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:34:30" (3/3) ... [2024-11-28 04:34:30,272 INFO L128 eAbstractionObserver]: Analyzing ICFG ofuf_5.c [2024-11-28 04:34:30,287 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:34:30,289 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ofuf_5.c that has 4 procedures, 115 locations, 1 initial locations, 7 loop locations, and 4 error locations. [2024-11-28 04:34:30,355 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:34:30,373 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;@32229b10, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:34:30,373 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-28 04:34:30,378 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) [2024-11-28 04:34:30,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-28 04:34:30,384 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:34:30,385 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-28 04:34:30,386 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)] === [2024-11-28 04:34:30,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:34:30,391 INFO L85 PathProgramCache]: Analyzing trace with hash 217648270, now seen corresponding path program 1 times [2024-11-28 04:34:30,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:34:30,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761258938] [2024-11-28 04:34:30,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:34:30,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:34:30,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:34:30,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:34:30,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:34:30,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761258938] [2024-11-28 04:34:30,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761258938] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:34:30,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:34:30,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 04:34:30,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044786684] [2024-11-28 04:34:30,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:34:30,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:34:30,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:34:30,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:34:30,751 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:34:30,753 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) [2024-11-28 04:34:30,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:34:30,809 INFO L93 Difference]: Finished difference Result 219 states and 344 transitions. [2024-11-28 04:34:30,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:34:30,814 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 [2024-11-28 04:34:30,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:34:30,819 INFO L225 Difference]: With dead ends: 219 [2024-11-28 04:34:30,819 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 04:34:30,826 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 [2024-11-28 04:34:30,831 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 [2024-11-28 04:34:30,832 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] [2024-11-28 04:34:30,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 04:34:30,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 04:34:30,862 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) [2024-11-28 04:34:30,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 04:34:30,869 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2024-11-28 04:34:30,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:34:30,869 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 04:34:30,869 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) [2024-11-28 04:34:30,870 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 04:34:30,871 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 04:34:30,875 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-28 04:34:30,875 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-28 04:34:30,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-28 04:34:30,876 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-28 04:34:30,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:34:30,879 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-28 04:34:30,881 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 04:34:30,934 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:34:30,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:34:30 BoogieIcfgContainer [2024-11-28 04:34:30,954 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:34:30,955 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:34:30,955 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:34:30,955 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:34:30,956 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:34:30" (3/4) ... [2024-11-28 04:34:30,959 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 04:34:30,964 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_89 [2024-11-28 04:34:30,965 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure avoid_zero [2024-11-28 04:34:30,965 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_95 [2024-11-28 04:34:30,982 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2024-11-28 04:34:30,983 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2024-11-28 04:34:30,983 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-28 04:34:30,985 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 04:34:30,986 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 04:34:30,987 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 04:34:31,144 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b412fece-3e5e-4894-bdde-f4dfe62c5a03/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:34:31,145 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b412fece-3e5e-4894-bdde-f4dfe62c5a03/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 04:34:31,145 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:34:31,147 INFO L158 Benchmark]: Toolchain (without parser) took 3048.33ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 32.1MB in the end (delta: 59.4MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-28 04:34:31,147 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:34:31,148 INFO L158 Benchmark]: CACSL2BoogieTranslator took 598.40ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 73.7MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:34:31,148 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.96ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 70.5MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:34:31,149 INFO L158 Benchmark]: Boogie Preprocessor took 128.14ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 64.3MB in the end (delta: 6.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:34:31,150 INFO L158 Benchmark]: RCFGBuilder took 1349.54ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 71.6MB in the end (delta: -7.3MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2024-11-28 04:34:31,151 INFO L158 Benchmark]: TraceAbstraction took 691.62ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 42.1MB in the end (delta: 29.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 04:34:31,151 INFO L158 Benchmark]: Witness Printer took 190.01ms. Allocated memory is still 117.4MB. Free memory was 41.6MB in the beginning and 32.1MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:34:31,154 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 598.40ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 73.7MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.96ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 70.5MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 128.14ms. Allocated memory is still 117.4MB. Free memory was 70.5MB in the beginning and 64.3MB in the end (delta: 6.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1349.54ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 71.6MB in the end (delta: -7.3MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. * TraceAbstraction took 691.62ms. Allocated memory is still 117.4MB. Free memory was 71.1MB in the beginning and 42.1MB in the end (delta: 29.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 190.01ms. Allocated memory is still 117.4MB. Free memory was 41.6MB in the beginning and 32.1MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. 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: 0.5s, 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! [2024-11-28 04:34:31,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b412fece-3e5e-4894-bdde-f4dfe62c5a03/bin/uautomizer-verify-aQ6SnzHsRB/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