./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0cecb5-559f-40db-a789-2a660964807a/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0cecb5-559f-40db-a789-2a660964807a/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0cecb5-559f-40db-a789-2a660964807a/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0cecb5-559f-40db-a789-2a660964807a/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0cecb5-559f-40db-a789-2a660964807a/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0cecb5-559f-40db-a789-2a660964807a/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 87a050a9ba88ec48bac6e38316d21dd54013b685d199047e34008aa0aba79e8c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:09:11,746 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:09:11,896 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0cecb5-559f-40db-a789-2a660964807a/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 23:09:11,902 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:09:11,903 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:09:11,944 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:09:11,945 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:09:11,946 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:09:11,947 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:09:11,953 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:09:11,954 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:09:11,955 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:09:11,955 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:09:11,958 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:09:11,958 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:09:11,959 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:09:11,959 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:09:11,960 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:09:11,960 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:09:11,961 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:09:11,961 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:09:11,962 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:09:11,962 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:09:11,963 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:09:11,963 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:09:11,966 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:09:11,967 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:09:11,967 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:09:11,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:09:11,968 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:09:11,970 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:09:11,971 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:09:11,971 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:09:11,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:09:11,971 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:09:11,972 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:09:11,972 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:09:11,972 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:09:11,973 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:09:11,973 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_0b0cecb5-559f-40db-a789-2a660964807a/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0cecb5-559f-40db-a789-2a660964807a/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87a050a9ba88ec48bac6e38316d21dd54013b685d199047e34008aa0aba79e8c [2023-11-06 23:09:12,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:09:12,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:09:12,453 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:09:12,455 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:09:12,455 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:09:12,457 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0cecb5-559f-40db-a789-2a660964807a/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-regression/rule57_ebda_blast.i [2023-11-06 23:09:16,108 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:09:16,392 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:09:16,393 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0cecb5-559f-40db-a789-2a660964807a/sv-benchmarks/c/ldv-regression/rule57_ebda_blast.i [2023-11-06 23:09:16,403 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0cecb5-559f-40db-a789-2a660964807a/bin/uautomizer-verify-WvqO1wxjHP/data/b674708e7/52ce4e2987af46e8a07d3c43a2ef2b2d/FLAG4ac87b40c [2023-11-06 23:09:16,420 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0cecb5-559f-40db-a789-2a660964807a/bin/uautomizer-verify-WvqO1wxjHP/data/b674708e7/52ce4e2987af46e8a07d3c43a2ef2b2d [2023-11-06 23:09:16,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:09:16,425 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:09:16,427 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:09:16,427 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:09:16,434 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:09:16,435 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:09:16" (1/1) ... [2023-11-06 23:09:16,436 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4532c81f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:16, skipping insertion in model container [2023-11-06 23:09:16,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:09:16" (1/1) ... [2023-11-06 23:09:16,468 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:09:16,664 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0cecb5-559f-40db-a789-2a660964807a/sv-benchmarks/c/ldv-regression/rule57_ebda_blast.i[299,312] [2023-11-06 23:09:16,704 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:09:16,721 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:09:16,736 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0cecb5-559f-40db-a789-2a660964807a/sv-benchmarks/c/ldv-regression/rule57_ebda_blast.i[299,312] [2023-11-06 23:09:16,750 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:09:16,772 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:09:16,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:16 WrapperNode [2023-11-06 23:09:16,779 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:09:16,780 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:09:16,781 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:09:16,781 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:09:16,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:16" (1/1) ... [2023-11-06 23:09:16,800 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:16" (1/1) ... [2023-11-06 23:09:16,826 INFO L138 Inliner]: procedures = 24, calls = 25, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 100 [2023-11-06 23:09:16,827 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:09:16,828 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:09:16,828 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:09:16,829 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:09:16,838 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:16" (1/1) ... [2023-11-06 23:09:16,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:16" (1/1) ... [2023-11-06 23:09:16,843 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:16" (1/1) ... [2023-11-06 23:09:16,843 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:16" (1/1) ... [2023-11-06 23:09:16,853 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:16" (1/1) ... [2023-11-06 23:09:16,869 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:16" (1/1) ... [2023-11-06 23:09:16,871 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:16" (1/1) ... [2023-11-06 23:09:16,873 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:16" (1/1) ... [2023-11-06 23:09:16,877 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:09:16,878 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:09:16,878 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:09:16,878 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:09:16,879 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:16" (1/1) ... [2023-11-06 23:09:16,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:09:16,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0cecb5-559f-40db-a789-2a660964807a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:09:16,928 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0cecb5-559f-40db-a789-2a660964807a/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:09:16,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0cecb5-559f-40db-a789-2a660964807a/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:09:16,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 23:09:16,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:09:16,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:09:16,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 23:09:16,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 23:09:16,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 23:09:16,984 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-06 23:09:16,984 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-06 23:09:16,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:09:16,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:09:17,105 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:09:17,108 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:09:17,435 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:09:17,443 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:09:17,443 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 23:09:17,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:09:17 BoogieIcfgContainer [2023-11-06 23:09:17,446 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:09:17,449 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:09:17,450 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:09:17,454 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:09:17,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:09:16" (1/3) ... [2023-11-06 23:09:17,455 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19e20f71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:09:17, skipping insertion in model container [2023-11-06 23:09:17,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:09:16" (2/3) ... [2023-11-06 23:09:17,456 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19e20f71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:09:17, skipping insertion in model container [2023-11-06 23:09:17,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:09:17" (3/3) ... [2023-11-06 23:09:17,458 INFO L112 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.i [2023-11-06 23:09:17,482 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:09:17,483 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:09:17,540 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:09:17,548 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@6c1db798, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:09:17,549 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:09:17,554 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 28 states have internal predecessors, (36), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 23:09:17,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-06 23:09:17,564 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:09:17,565 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:17,566 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:09:17,572 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:17,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1648817827, now seen corresponding path program 1 times [2023-11-06 23:09:17,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:17,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079284317] [2023-11-06 23:09:17,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:17,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:17,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:18,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 23:09:18,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:18,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:09:18,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:18,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079284317] [2023-11-06 23:09:18,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079284317] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:18,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:18,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 23:09:18,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791159740] [2023-11-06 23:09:18,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:18,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 23:09:18,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:18,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 23:09:18,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:09:18,360 INFO L87 Difference]: Start difference. First operand has 33 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 28 states have internal predecessors, (36), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:09:18,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:09:18,532 INFO L93 Difference]: Finished difference Result 42 states and 52 transitions. [2023-11-06 23:09:18,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 23:09:18,535 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2023-11-06 23:09:18,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:09:18,546 INFO L225 Difference]: With dead ends: 42 [2023-11-06 23:09:18,546 INFO L226 Difference]: Without dead ends: 29 [2023-11-06 23:09:18,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:09:18,559 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 21 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:09:18,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 163 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:09:18,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2023-11-06 23:09:18,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2023-11-06 23:09:18,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 24 states have internal predecessors, (29), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 23:09:18,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 35 transitions. [2023-11-06 23:09:18,615 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 35 transitions. Word has length 14 [2023-11-06 23:09:18,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:09:18,617 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 35 transitions. [2023-11-06 23:09:18,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-06 23:09:18,618 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2023-11-06 23:09:18,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-06 23:09:18,620 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:09:18,620 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:18,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 23:09:18,621 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:09:18,622 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:18,622 INFO L85 PathProgramCache]: Analyzing trace with hash -181602474, now seen corresponding path program 1 times [2023-11-06 23:09:18,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:18,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492611813] [2023-11-06 23:09:18,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:18,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:18,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 23:09:18,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:18,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-06 23:09:18,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:18,877 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 23:09:18,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:18,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492611813] [2023-11-06 23:09:18,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492611813] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:18,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:18,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 23:09:18,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052327728] [2023-11-06 23:09:18,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:18,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 23:09:18,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:18,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 23:09:18,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:09:18,888 INFO L87 Difference]: Start difference. First operand 29 states and 35 transitions. Second operand has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 23:09:19,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:09:19,056 INFO L93 Difference]: Finished difference Result 39 states and 43 transitions. [2023-11-06 23:09:19,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 23:09:19,057 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2023-11-06 23:09:19,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:09:19,058 INFO L225 Difference]: With dead ends: 39 [2023-11-06 23:09:19,059 INFO L226 Difference]: Without dead ends: 33 [2023-11-06 23:09:19,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-06 23:09:19,061 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 26 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:09:19,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 136 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:09:19,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2023-11-06 23:09:19,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2023-11-06 23:09:19,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 27 states have internal predecessors, (31), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 23:09:19,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2023-11-06 23:09:19,073 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 21 [2023-11-06 23:09:19,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:09:19,074 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2023-11-06 23:09:19,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-06 23:09:19,075 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2023-11-06 23:09:19,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-06 23:09:19,076 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:09:19,076 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:19,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 23:09:19,077 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:09:19,078 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:19,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1758754954, now seen corresponding path program 1 times [2023-11-06 23:09:19,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:19,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408632119] [2023-11-06 23:09:19,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:19,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:19,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:19,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 23:09:19,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:19,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-06 23:09:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:19,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 23:09:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:19,474 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-06 23:09:19,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:19,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408632119] [2023-11-06 23:09:19,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408632119] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:19,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:19,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 23:09:19,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688224800] [2023-11-06 23:09:19,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:19,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 23:09:19,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:19,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:09:19,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:09:19,486 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 23:09:19,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:09:19,590 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2023-11-06 23:09:19,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-06 23:09:19,592 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 32 [2023-11-06 23:09:19,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:09:19,596 INFO L225 Difference]: With dead ends: 42 [2023-11-06 23:09:19,601 INFO L226 Difference]: Without dead ends: 33 [2023-11-06 23:09:19,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2023-11-06 23:09:19,604 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 19 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 23:09:19,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 168 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 23:09:19,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2023-11-06 23:09:19,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2023-11-06 23:09:19,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 27 states have internal predecessors, (30), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-06 23:09:19,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2023-11-06 23:09:19,618 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 32 [2023-11-06 23:09:19,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:09:19,618 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2023-11-06 23:09:19,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 23:09:19,619 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2023-11-06 23:09:19,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-06 23:09:19,621 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:09:19,621 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:09:19,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 23:09:19,621 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:09:19,622 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:09:19,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1338195985, now seen corresponding path program 1 times [2023-11-06 23:09:19,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:09:19,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142571165] [2023-11-06 23:09:19,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:09:19,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:09:19,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:19,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 23:09:19,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:19,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-06 23:09:19,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:19,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 23:09:19,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:09:19,794 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-06 23:09:19,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:09:19,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142571165] [2023-11-06 23:09:19,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142571165] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:09:19,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:09:19,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:09:19,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611371872] [2023-11-06 23:09:19,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:09:19,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 23:09:19,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:09:19,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:09:19,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:09:19,804 INFO L87 Difference]: Start difference. First operand 33 states and 36 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 23:09:19,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:09:19,835 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2023-11-06 23:09:19,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:09:19,836 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 32 [2023-11-06 23:09:19,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:09:19,838 INFO L225 Difference]: With dead ends: 33 [2023-11-06 23:09:19,838 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 23:09:19,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:09:19,844 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 7 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 23:09:19,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 65 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:09:19,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 23:09:19,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 23:09:19,849 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) [2023-11-06 23:09:19,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 23:09:19,849 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2023-11-06 23:09:19,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:09:19,849 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 23:09:19,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-06 23:09:19,850 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 23:09:19,851 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 23:09:19,853 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 23:09:19,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 23:09:19,858 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 23:09:19,945 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 23:09:19,947 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line 48) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)) [2023-11-06 23:09:19,947 INFO L899 garLoopResultBuilder]: For program point kzallocEXIT(line 48) no Hoare annotation was computed. [2023-11-06 23:09:19,947 INFO L899 garLoopResultBuilder]: For program point kzallocFINAL(line 48) no Hoare annotation was computed. [2023-11-06 23:09:19,947 INFO L895 garLoopResultBuilder]: At program point ibmphp_init_devno_returnLabel#1(lines 67 70) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (not (= |ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0#1.base| 0)) (not (= |ULTIMATE.start_ibmphp_find_same_bus_num_#res#1.base| 0)) (= ~used_tmp_slot~0 1)) [2023-11-06 23:09:19,948 INFO L895 garLoopResultBuilder]: At program point fillslotinfo_returnLabel#1(lines 62 65) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (not (= |ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0#1.base| 0)) (not (= |ULTIMATE.start_ibmphp_find_same_bus_num_#res#1.base| 0)) (= ~used_tmp_slot~0 1)) [2023-11-06 23:09:19,948 INFO L895 garLoopResultBuilder]: At program point L85(line 85) the Hoare annotation is: (not (= |ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0#1.base| 0)) [2023-11-06 23:09:19,948 INFO L899 garLoopResultBuilder]: For program point L85-1(line 85) no Hoare annotation was computed. [2023-11-06 23:09:19,948 INFO L899 garLoopResultBuilder]: For program point L135(lines 135 139) no Hoare annotation was computed. [2023-11-06 23:09:19,949 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 23:09:19,949 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 23:09:19,949 INFO L895 garLoopResultBuilder]: At program point ebda_rsrc_controller_returnLabel#1(lines 72 133) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (not (= |ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0#1.base| 0)) (not (= |ULTIMATE.start_ibmphp_find_same_bus_num_#res#1.base| 0)) (= ~used_tmp_slot~0 1)) [2023-11-06 23:09:19,949 INFO L895 garLoopResultBuilder]: At program point L57(line 57) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (not (= |ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0#1.base| 0))) [2023-11-06 23:09:19,949 INFO L899 garLoopResultBuilder]: For program point L57-1(line 57) no Hoare annotation was computed. [2023-11-06 23:09:19,950 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2023-11-06 23:09:19,950 INFO L902 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: true [2023-11-06 23:09:19,950 INFO L899 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2023-11-06 23:09:19,951 INFO L899 garLoopResultBuilder]: For program point L8(line 8) no Hoare annotation was computed. [2023-11-06 23:09:19,951 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 107) no Hoare annotation was computed. [2023-11-06 23:09:19,951 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 23:09:19,952 INFO L895 garLoopResultBuilder]: At program point L128(lines 72 133) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (not (= |ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0#1.base| 0)) (not (= |ULTIMATE.start_ibmphp_find_same_bus_num_#res#1.base| 0)) (= ~used_tmp_slot~0 1)) [2023-11-06 23:09:19,952 INFO L899 garLoopResultBuilder]: For program point L87(lines 87 90) no Hoare annotation was computed. [2023-11-06 23:09:19,952 INFO L895 garLoopResultBuilder]: At program point ibmphp_find_same_bus_num_returnLabel#1(lines 56 58) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (not (= |ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0#1.base| 0)) (not (= |ULTIMATE.start_ibmphp_find_same_bus_num_#res#1.base| 0))) [2023-11-06 23:09:19,953 INFO L899 garLoopResultBuilder]: For program point L50(lines 50 53) no Hoare annotation was computed. [2023-11-06 23:09:19,953 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 82) no Hoare annotation was computed. [2023-11-06 23:09:19,953 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 23:09:19,954 INFO L899 garLoopResultBuilder]: For program point L137(lines 137 138) no Hoare annotation was computed. [2023-11-06 23:09:19,954 INFO L895 garLoopResultBuilder]: At program point ebda_rsrc_controller_error#1(lines 72 133) the Hoare annotation is: (and (not (= ~tmp_slot~0.base 0)) (not (= |ULTIMATE.start_ebda_rsrc_controller_~hp_slot_ptr~0#1.base| 0)) (not (= |ULTIMATE.start_ibmphp_find_same_bus_num_#res#1.base| 0)) (= ~used_tmp_slot~0 1)) [2023-11-06 23:09:19,954 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 122) no Hoare annotation was computed. [2023-11-06 23:09:19,954 INFO L899 garLoopResultBuilder]: For program point L117(lines 117 118) no Hoare annotation was computed. [2023-11-06 23:09:19,954 INFO L899 garLoopResultBuilder]: For program point L51(lines 51 52) no Hoare annotation was computed. [2023-11-06 23:09:19,955 INFO L899 garLoopResultBuilder]: For program point L138(line 138) no Hoare annotation was computed. [2023-11-06 23:09:19,955 INFO L899 garLoopResultBuilder]: For program point L6(lines 6 9) no Hoare annotation was computed. [2023-11-06 23:09:19,960 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-06 23:09:19,963 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:09:19,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:09:19 BoogieIcfgContainer [2023-11-06 23:09:19,986 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:09:19,987 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:09:19,988 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:09:19,988 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:09:19,989 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:09:17" (3/4) ... [2023-11-06 23:09:19,994 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 23:09:19,999 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure kzalloc [2023-11-06 23:09:20,011 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-06 23:09:20,012 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-06 23:09:20,012 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 23:09:20,013 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 23:09:20,056 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!((tmp_slot == 0)) && !((hp_slot_ptr == 0))) && !((\result == 0))) && (used_tmp_slot == 1)) [2023-11-06 23:09:20,056 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!((tmp_slot == 0)) && !((hp_slot_ptr == 0))) && !((\result == 0))) && (used_tmp_slot == 1)) [2023-11-06 23:09:20,057 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!((tmp_slot == 0)) && !((hp_slot_ptr == 0))) && !((\result == 0))) [2023-11-06 23:09:20,060 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!((tmp_slot == 0)) && !((hp_slot_ptr == 0))) && !((\result == 0))) && (used_tmp_slot == 1)) [2023-11-06 23:09:20,066 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!((tmp_slot == 0)) && !((hp_slot_ptr == 0))) && !((\result == 0))) && (used_tmp_slot == 1)) [2023-11-06 23:09:20,066 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!((tmp_slot == 0)) && !((hp_slot_ptr == 0))) && !((\result == 0))) && (used_tmp_slot == 1)) [2023-11-06 23:09:20,102 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!((tmp_slot == 0)) && !((hp_slot_ptr == 0))) && !((\result == 0))) && (used_tmp_slot == 1)) [2023-11-06 23:09:20,102 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!((tmp_slot == 0)) && !((hp_slot_ptr == 0))) && !((\result == 0))) && (used_tmp_slot == 1)) [2023-11-06 23:09:20,104 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!((tmp_slot == 0)) && !((hp_slot_ptr == 0))) && !((\result == 0))) [2023-11-06 23:09:20,104 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!((tmp_slot == 0)) && !((hp_slot_ptr == 0))) && !((\result == 0))) && (used_tmp_slot == 1)) [2023-11-06 23:09:20,106 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!((tmp_slot == 0)) && !((hp_slot_ptr == 0))) && !((\result == 0))) && (used_tmp_slot == 1)) [2023-11-06 23:09:20,106 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!((tmp_slot == 0)) && !((hp_slot_ptr == 0))) && !((\result == 0))) && (used_tmp_slot == 1)) [2023-11-06 23:09:20,118 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0cecb5-559f-40db-a789-2a660964807a/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 23:09:20,119 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0cecb5-559f-40db-a789-2a660964807a/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 23:09:20,122 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:09:20,122 INFO L158 Benchmark]: Toolchain (without parser) took 3697.53ms. Allocated memory is still 153.1MB. Free memory was 116.5MB in the beginning and 64.2MB in the end (delta: 52.3MB). Peak memory consumption was 54.6MB. Max. memory is 16.1GB. [2023-11-06 23:09:20,123 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 125.8MB. Free memory is still 94.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:09:20,123 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.44ms. Allocated memory is still 153.1MB. Free memory was 116.5MB in the beginning and 105.2MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 23:09:20,124 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.21ms. Allocated memory is still 153.1MB. Free memory was 105.2MB in the beginning and 103.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:09:20,124 INFO L158 Benchmark]: Boogie Preprocessor took 48.72ms. Allocated memory is still 153.1MB. Free memory was 103.2MB in the beginning and 101.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:09:20,125 INFO L158 Benchmark]: RCFGBuilder took 568.71ms. Allocated memory is still 153.1MB. Free memory was 101.9MB in the beginning and 87.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 23:09:20,125 INFO L158 Benchmark]: TraceAbstraction took 2537.23ms. Allocated memory is still 153.1MB. Free memory was 86.5MB in the beginning and 68.5MB in the end (delta: 18.0MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2023-11-06 23:09:20,126 INFO L158 Benchmark]: Witness Printer took 134.53ms. Allocated memory is still 153.1MB. Free memory was 68.5MB in the beginning and 64.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 23:09:20,129 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 125.8MB. Free memory is still 94.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.44ms. Allocated memory is still 153.1MB. Free memory was 116.5MB in the beginning and 105.2MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.21ms. Allocated memory is still 153.1MB. Free memory was 105.2MB in the beginning and 103.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.72ms. Allocated memory is still 153.1MB. Free memory was 103.2MB in the beginning and 101.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 568.71ms. Allocated memory is still 153.1MB. Free memory was 101.9MB in the beginning and 87.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2537.23ms. Allocated memory is still 153.1MB. Free memory was 86.5MB in the beginning and 68.5MB in the end (delta: 18.0MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * Witness Printer took 134.53ms. Allocated memory is still 153.1MB. Free memory was 68.5MB in the beginning and 64.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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: 8]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 4, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 76 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 73 mSDsluCounter, 532 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 415 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 130 IncrementalHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 117 mSDtfsCounter, 130 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 12 PreInvPairs, 15 NumberOfFragments, 117 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 18 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 99 NumberOfCodeBlocks, 99 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 95 ConstructedInterpolants, 0 QuantifiedInterpolants, 236 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 28/28 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 1 specifications checked. All of them hold - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: (((!((tmp_slot == 0)) && !((hp_slot_ptr == 0))) && !((\result == 0))) && (used_tmp_slot == 1)) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (((!((tmp_slot == 0)) && !((hp_slot_ptr == 0))) && !((\result == 0))) && (used_tmp_slot == 1)) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (((!((tmp_slot == 0)) && !((hp_slot_ptr == 0))) && !((\result == 0))) && (used_tmp_slot == 1)) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: ((!((tmp_slot == 0)) && !((hp_slot_ptr == 0))) && !((\result == 0))) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (((!((tmp_slot == 0)) && !((hp_slot_ptr == 0))) && !((\result == 0))) && (used_tmp_slot == 1)) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (((!((tmp_slot == 0)) && !((hp_slot_ptr == 0))) && !((\result == 0))) && (used_tmp_slot == 1)) RESULT: Ultimate proved your program to be correct! [2023-11-06 23:09:20,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b0cecb5-559f-40db-a789-2a660964807a/bin/uautomizer-verify-WvqO1wxjHP/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