./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 cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad987f-26a7-4786-8a58-3baa8b511a4b/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad987f-26a7-4786-8a58-3baa8b511a4b/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad987f-26a7-4786-8a58-3baa8b511a4b/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad987f-26a7-4786-8a58-3baa8b511a4b/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/ofuf_5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad987f-26a7-4786-8a58-3baa8b511a4b/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad987f-26a7-4786-8a58-3baa8b511a4b/bin/utaipan-verify-NcY6lQBIFX --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dbf8943cb9f9a3b213e9817cc53efcf4d89e0e525f47b2351825c8c29bc65e71 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:49:38,318 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:49:38,422 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad987f-26a7-4786-8a58-3baa8b511a4b/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Overflow-32bit-Taipan_Default.epf [2023-11-12 00:49:38,434 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:49:38,434 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:49:38,479 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:49:38,480 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:49:38,481 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:49:38,482 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:49:38,487 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:49:38,488 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:49:38,489 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:49:38,489 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:49:38,491 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:49:38,492 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:49:38,492 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:49:38,492 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:49:38,493 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:49:38,493 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:49:38,494 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:49:38,496 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:49:38,496 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:49:38,497 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:49:38,497 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:49:38,498 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:49:38,498 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:49:38,498 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:49:38,499 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:49:38,499 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:49:38,500 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:49:38,500 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:49:38,500 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:49:38,501 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:49:38,501 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:49:38,501 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:49:38,501 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:49:38,501 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:49:38,502 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:49:38,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:49:38,502 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:49:38,502 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:49:38,503 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:49:38,503 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:49:38,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:49:38,503 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:49:38,504 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:49:38,504 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:49:38,504 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad987f-26a7-4786-8a58-3baa8b511a4b/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad987f-26a7-4786-8a58-3baa8b511a4b/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbf8943cb9f9a3b213e9817cc53efcf4d89e0e525f47b2351825c8c29bc65e71 [2023-11-12 00:49:38,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:49:38,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:49:38,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:49:38,855 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:49:38,855 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:49:38,857 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad987f-26a7-4786-8a58-3baa8b511a4b/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/loop-industry-pattern/ofuf_5.c [2023-11-12 00:49:42,133 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:49:42,442 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:49:42,443 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad987f-26a7-4786-8a58-3baa8b511a4b/sv-benchmarks/c/loop-industry-pattern/ofuf_5.c [2023-11-12 00:49:42,459 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad987f-26a7-4786-8a58-3baa8b511a4b/bin/utaipan-verify-NcY6lQBIFX/data/e1e2933c7/904e700688844a40995f3becfef064b8/FLAGab9d84c81 [2023-11-12 00:49:42,475 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad987f-26a7-4786-8a58-3baa8b511a4b/bin/utaipan-verify-NcY6lQBIFX/data/e1e2933c7/904e700688844a40995f3becfef064b8 [2023-11-12 00:49:42,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:49:42,483 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:49:42,486 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:49:42,486 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:49:42,492 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:49:42,495 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:49:42" (1/1) ... [2023-11-12 00:49:42,496 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fe7c7bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:42, skipping insertion in model container [2023-11-12 00:49:42,496 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:49:42" (1/1) ... [2023-11-12 00:49:42,551 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:49:42,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:49:42,816 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:49:42,922 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:49:42,943 WARN L672 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:49:42,950 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:49:42,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:42 WrapperNode [2023-11-12 00:49:42,951 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:49:42,951 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:49:42,952 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:49:42,952 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:49:42,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:42" (1/1) ... [2023-11-12 00:49:42,974 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:42" (1/1) ... [2023-11-12 00:49:43,024 INFO L138 Inliner]: procedures = 29, calls = 159, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 459 [2023-11-12 00:49:43,024 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:49:43,025 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:49:43,025 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:49:43,025 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:49:43,035 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:42" (1/1) ... [2023-11-12 00:49:43,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:42" (1/1) ... [2023-11-12 00:49:43,045 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:42" (1/1) ... [2023-11-12 00:49:43,045 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:42" (1/1) ... [2023-11-12 00:49:43,066 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:42" (1/1) ... [2023-11-12 00:49:43,073 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:42" (1/1) ... [2023-11-12 00:49:43,077 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:42" (1/1) ... [2023-11-12 00:49:43,081 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:42" (1/1) ... [2023-11-12 00:49:43,088 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:49:43,089 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:49:43,089 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:49:43,089 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:49:43,090 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:42" (1/1) ... [2023-11-12 00:49:43,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:49:43,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad987f-26a7-4786-8a58-3baa8b511a4b/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:49:43,142 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad987f-26a7-4786-8a58-3baa8b511a4b/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:49:43,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad987f-26a7-4786-8a58-3baa8b511a4b/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:49:43,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:49:43,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:49:43,191 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2023-11-12 00:49:43,191 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2023-11-12 00:49:43,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:49:43,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:49:43,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:49:43,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:49:43,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:49:43,195 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-11-12 00:49:43,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:49:43,195 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2023-11-12 00:49:43,195 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2023-11-12 00:49:43,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:49:43,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:49:43,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:49:43,196 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2023-11-12 00:49:43,196 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2023-11-12 00:49:43,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:49:43,388 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:49:43,390 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:49:44,173 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:49:44,354 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:49:44,355 INFO L302 CfgBuilder]: Removed 7 assume(true) statements. [2023-11-12 00:49:44,358 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:49:44 BoogieIcfgContainer [2023-11-12 00:49:44,358 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:49:44,360 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:49:44,360 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:49:44,364 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:49:44,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:49:42" (1/3) ... [2023-11-12 00:49:44,365 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d85b99c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:49:44, skipping insertion in model container [2023-11-12 00:49:44,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:49:42" (2/3) ... [2023-11-12 00:49:44,366 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d85b99c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:49:44, skipping insertion in model container [2023-11-12 00:49:44,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:49:44" (3/3) ... [2023-11-12 00:49:44,367 INFO L112 eAbstractionObserver]: Analyzing ICFG ofuf_5.c [2023-11-12 00:49:44,388 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:49:44,388 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-12 00:49:44,451 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:49:44,460 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, 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;@1613b609, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:49:44,460 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-12 00:49:44,466 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 49 states have (on average 1.6122448979591837) internal successors, (79), 53 states have internal predecessors, (79), 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) [2023-11-12 00:49:44,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-12 00:49:44,473 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:49:44,474 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-12 00:49:44,474 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-12 00:49:44,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:49:44,480 INFO L85 PathProgramCache]: Analyzing trace with hash 13033813, now seen corresponding path program 1 times [2023-11-12 00:49:44,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:49:44,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248922512] [2023-11-12 00:49:44,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:49:44,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:49:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:49:44,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:49:44,840 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:49:44,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248922512] [2023-11-12 00:49:44,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248922512] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:49:44,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:49:44,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-12 00:49:44,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861136858] [2023-11-12 00:49:44,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:49:44,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 00:49:44,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:49:44,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 00:49:44,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 00:49:44,899 INFO L87 Difference]: Start difference. First operand has 65 states, 49 states have (on average 1.6122448979591837) internal successors, (79), 53 states have internal predecessors, (79), 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 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2023-11-12 00:49:45,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:49:45,035 INFO L93 Difference]: Finished difference Result 120 states and 183 transitions. [2023-11-12 00:49:45,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 00:49:45,040 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2023-11-12 00:49:45,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:49:45,045 INFO L225 Difference]: With dead ends: 120 [2023-11-12 00:49:45,046 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 00:49:45,051 INFO L412 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 [2023-11-12 00:49:45,058 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:49:45,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 00:49:45,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 00:49:45,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 00:49:45,086 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) [2023-11-12 00:49:45,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 00:49:45,087 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2023-11-12 00:49:45,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:49:45,088 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 00:49:45,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2023-11-12 00:49:45,090 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 00:49:45,091 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 00:49:45,094 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2023-11-12 00:49:45,096 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2023-11-12 00:49:45,096 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2023-11-12 00:49:45,097 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2023-11-12 00:49:45,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:49:45,099 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 00:49:45,128 INFO L899 garLoopResultBuilder]: For program point L226-1(lines 226 233) no Hoare annotation was computed. [2023-11-12 00:49:45,129 INFO L902 garLoopResultBuilder]: At program point L226-3(lines 226 233) the Hoare annotation is: true [2023-11-12 00:49:45,129 INFO L899 garLoopResultBuilder]: For program point L226-4(lines 226 233) no Hoare annotation was computed. [2023-11-12 00:49:45,130 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 208) no Hoare annotation was computed. [2023-11-12 00:49:45,130 INFO L899 garLoopResultBuilder]: For program point L202-2(lines 194 248) no Hoare annotation was computed. [2023-11-12 00:49:45,130 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_89FINAL(lines 193 248) no Hoare annotation was computed. [2023-11-12 00:49:45,130 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 193 248) the Hoare annotation is: true [2023-11-12 00:49:45,130 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 207) no Hoare annotation was computed. [2023-11-12 00:49:45,131 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2023-11-12 00:49:45,131 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_89EXIT(lines 193 248) no Hoare annotation was computed. [2023-11-12 00:49:45,131 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 201) no Hoare annotation was computed. [2023-11-12 00:49:45,133 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 295) no Hoare annotation was computed. [2023-11-12 00:49:45,133 INFO L899 garLoopResultBuilder]: For program point L255(lines 255 269) no Hoare annotation was computed. [2023-11-12 00:49:45,133 INFO L899 garLoopResultBuilder]: For program point L288-2(lines 288 295) no Hoare annotation was computed. [2023-11-12 00:49:45,133 INFO L899 garLoopResultBuilder]: For program point L284(lines 284 287) no Hoare annotation was computed. [2023-11-12 00:49:45,133 INFO L902 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: true [2023-11-12 00:49:45,134 INFO L899 garLoopResultBuilder]: For program point L272-1(line 272) no Hoare annotation was computed. [2023-11-12 00:49:45,134 INFO L902 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2023-11-12 00:49:45,134 INFO L899 garLoopResultBuilder]: For program point L297-1(line 297) no Hoare annotation was computed. [2023-11-12 00:49:45,135 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_92_returnLabel#1(lines 249 279) no Hoare annotation was computed. [2023-11-12 00:49:45,136 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_95EXIT(lines 280 299) no Hoare annotation was computed. [2023-11-12 00:49:45,137 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 280 299) the Hoare annotation is: true [2023-11-12 00:49:45,137 INFO L899 garLoopResultBuilder]: For program point L261(lines 261 269) no Hoare annotation was computed. [2023-11-12 00:49:45,138 INFO L902 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: true [2023-11-12 00:49:45,141 INFO L899 garLoopResultBuilder]: For program point L290-1(line 290) no Hoare annotation was computed. [2023-11-12 00:49:45,143 INFO L902 garLoopResultBuilder]: At program point L270-1(lines 270 277) the Hoare annotation is: true [2023-11-12 00:49:45,143 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_95FINAL(lines 280 299) no Hoare annotation was computed. [2023-11-12 00:49:45,143 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 378) no Hoare annotation was computed. [2023-11-12 00:49:45,143 INFO L899 garLoopResultBuilder]: For program point L308-1(lines 308 315) no Hoare annotation was computed. [2023-11-12 00:49:45,144 INFO L902 garLoopResultBuilder]: At program point L308-3(lines 308 315) the Hoare annotation is: true [2023-11-12 00:49:45,144 INFO L899 garLoopResultBuilder]: For program point L308-4(lines 308 315) no Hoare annotation was computed. [2023-11-12 00:49:45,144 INFO L902 garLoopResultBuilder]: At program point L358-3(lines 358 396) the Hoare annotation is: true [2023-11-12 00:49:45,145 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 354) no Hoare annotation was computed. [2023-11-12 00:49:45,145 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 354) no Hoare annotation was computed. [2023-11-12 00:49:45,145 INFO L899 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2023-11-12 00:49:45,145 INFO L902 garLoopResultBuilder]: At program point L376-3(lines 376 393) the Hoare annotation is: true [2023-11-12 00:49:45,146 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 00:49:45,146 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_96_returnLabel#1(lines 300 330) no Hoare annotation was computed. [2023-11-12 00:49:45,147 INFO L902 garLoopResultBuilder]: At program point L352-3(lines 352 355) the Hoare annotation is: true [2023-11-12 00:49:45,147 INFO L899 garLoopResultBuilder]: For program point L352-4(lines 332 399) no Hoare annotation was computed. [2023-11-12 00:49:45,147 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 314) no Hoare annotation was computed. [2023-11-12 00:49:45,147 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 458) no Hoare annotation was computed. [2023-11-12 00:49:45,148 INFO L902 garLoopResultBuilder]: At program point L361(line 361) the Hoare annotation is: true [2023-11-12 00:49:45,149 INFO L899 garLoopResultBuilder]: For program point L361-1(lines 361 364) no Hoare annotation was computed. [2023-11-12 00:49:45,149 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 455) no Hoare annotation was computed. [2023-11-12 00:49:45,149 INFO L899 garLoopResultBuilder]: For program point L378(line 378) no Hoare annotation was computed. [2023-11-12 00:49:45,150 INFO L899 garLoopResultBuilder]: For program point L378-1(line 378) no Hoare annotation was computed. [2023-11-12 00:49:45,150 INFO L902 garLoopResultBuilder]: At program point L378-2(line 378) the Hoare annotation is: true [2023-11-12 00:49:45,151 INFO L899 garLoopResultBuilder]: For program point L378-3(lines 378 381) no Hoare annotation was computed. [2023-11-12 00:49:45,151 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 307) no Hoare annotation was computed. [2023-11-12 00:49:45,151 INFO L899 garLoopResultBuilder]: For program point L354(line 354) no Hoare annotation was computed. [2023-11-12 00:49:45,151 INFO L899 garLoopResultBuilder]: For program point L354-1(line 354) no Hoare annotation was computed. [2023-11-12 00:49:45,152 INFO L902 garLoopResultBuilder]: At program point L371(line 371) the Hoare annotation is: true [2023-11-12 00:49:45,152 INFO L899 garLoopResultBuilder]: For program point L371-1(lines 371 374) no Hoare annotation was computed. [2023-11-12 00:49:45,153 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_97_returnLabel#1(lines 331 399) no Hoare annotation was computed. [2023-11-12 00:49:45,156 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 00:49:45,157 INFO L899 garLoopResultBuilder]: For program point L389(lines 389 392) no Hoare annotation was computed. [2023-11-12 00:49:45,157 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 397) no Hoare annotation was computed. [2023-11-12 00:49:45,157 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 378) no Hoare annotation was computed. [2023-11-12 00:49:45,158 INFO L902 garLoopResultBuilder]: At program point L406-3(lines 406 416) the Hoare annotation is: true [2023-11-12 00:49:45,159 INFO L902 garLoopResultBuilder]: At program point L406-4(lines 406 416) the Hoare annotation is: true [2023-11-12 00:49:45,160 INFO L902 garLoopResultBuilder]: At program point L365(line 365) the Hoare annotation is: true [2023-11-12 00:49:45,160 INFO L899 garLoopResultBuilder]: For program point L365-1(lines 365 368) no Hoare annotation was computed. [2023-11-12 00:49:45,160 INFO L899 garLoopResultBuilder]: For program point avoid_zeroEXIT(lines 9 15) no Hoare annotation was computed. [2023-11-12 00:49:45,166 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: true [2023-11-12 00:49:45,171 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 00:49:45,175 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 00:49:45,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:49:45 BoogieIcfgContainer [2023-11-12 00:49:45,189 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 00:49:45,190 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:49:45,190 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:49:45,190 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:49:45,191 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:49:44" (3/4) ... [2023-11-12 00:49:45,193 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 00:49:45,197 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_89 [2023-11-12 00:49:45,198 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure avoid_zero [2023-11-12 00:49:45,198 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_95 [2023-11-12 00:49:45,222 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 90 nodes and edges [2023-11-12 00:49:45,224 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2023-11-12 00:49:45,226 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-12 00:49:45,227 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 00:49:45,229 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 00:49:45,230 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 00:49:45,428 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad987f-26a7-4786-8a58-3baa8b511a4b/bin/utaipan-verify-NcY6lQBIFX/witness.graphml [2023-11-12 00:49:45,428 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad987f-26a7-4786-8a58-3baa8b511a4b/bin/utaipan-verify-NcY6lQBIFX/witness.yml [2023-11-12 00:49:45,429 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:49:45,429 INFO L158 Benchmark]: Toolchain (without parser) took 2946.53ms. Allocated memory is still 197.1MB. Free memory was 157.0MB in the beginning and 143.6MB in the end (delta: 13.3MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2023-11-12 00:49:45,430 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:49:45,430 INFO L158 Benchmark]: CACSL2BoogieTranslator took 464.69ms. Allocated memory is still 197.1MB. Free memory was 156.6MB in the beginning and 138.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 00:49:45,430 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.84ms. Allocated memory is still 197.1MB. Free memory was 138.9MB in the beginning and 135.4MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:49:45,431 INFO L158 Benchmark]: Boogie Preprocessor took 63.50ms. Allocated memory is still 197.1MB. Free memory was 135.4MB in the beginning and 131.8MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:49:45,431 INFO L158 Benchmark]: RCFGBuilder took 1269.13ms. Allocated memory is still 197.1MB. Free memory was 131.8MB in the beginning and 117.0MB in the end (delta: 14.8MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2023-11-12 00:49:45,432 INFO L158 Benchmark]: TraceAbstraction took 828.80ms. Allocated memory is still 197.1MB. Free memory was 116.4MB in the beginning and 154.1MB in the end (delta: -37.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:49:45,432 INFO L158 Benchmark]: Witness Printer took 239.31ms. Allocated memory is still 197.1MB. Free memory was 154.1MB in the beginning and 143.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 00:49:45,434 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory is still 65.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 464.69ms. Allocated memory is still 197.1MB. Free memory was 156.6MB in the beginning and 138.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.84ms. Allocated memory is still 197.1MB. Free memory was 138.9MB in the beginning and 135.4MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.50ms. Allocated memory is still 197.1MB. Free memory was 135.4MB in the beginning and 131.8MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1269.13ms. Allocated memory is still 197.1MB. Free memory was 131.8MB in the beginning and 117.0MB in the end (delta: 14.8MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * TraceAbstraction took 828.80ms. Allocated memory is still 197.1MB. Free memory was 116.4MB in the beginning and 154.1MB in the end (delta: -37.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 239.31ms. Allocated memory is still 197.1MB. Free memory was 154.1MB in the beginning and 143.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. 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, 65 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 73 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 73 mSDtfsCounter, 16 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=65occurred 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: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 50 PreInvPairs, 59 NumberOfFragments, 18 HoareAnnotationTreeSize, 50 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 18 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 3 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-12 00:49:45,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cad987f-26a7-4786-8a58-3baa8b511a4b/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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