./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b 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_6d94d407-b5f3-4dd0-b76b-c9ed455b488a/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d94d407-b5f3-4dd0-b76b-c9ed455b488a/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_6d94d407-b5f3-4dd0-b76b-c9ed455b488a/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d94d407-b5f3-4dd0-b76b-c9ed455b488a/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d94d407-b5f3-4dd0-b76b-c9ed455b488a/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_6d94d407-b5f3-4dd0-b76b-c9ed455b488a/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 d951d42aa7befd7bda7f80ada4844738e8523e59f9da7a827c45a61796f63a09 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:05:39,745 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:05:39,843 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d94d407-b5f3-4dd0-b76b-c9ed455b488a/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:05:39,850 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:05:39,851 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:05:39,880 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:05:39,881 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:05:39,882 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:05:39,883 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:05:39,884 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:05:39,885 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:05:39,886 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:05:39,887 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:05:39,887 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:05:39,888 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:05:39,889 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:05:39,890 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:05:39,890 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:05:39,891 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:05:39,892 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:05:39,892 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:05:39,893 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:05:39,894 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:05:39,895 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:05:39,895 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:05:39,896 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:05:39,896 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:05:39,897 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:05:39,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:05:39,898 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:05:39,899 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:05:39,899 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:05:39,900 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:05:39,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:05:39,901 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:05:39,901 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:05:39,902 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:05:39,902 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:05:39,903 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:05:39,904 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_6d94d407-b5f3-4dd0-b76b-c9ed455b488a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d94d407-b5f3-4dd0-b76b-c9ed455b488a/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d951d42aa7befd7bda7f80ada4844738e8523e59f9da7a827c45a61796f63a09 [2023-11-06 22:05:40,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:05:40,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:05:40,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:05:40,247 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:05:40,247 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:05:40,249 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d94d407-b5f3-4dd0-b76b-c9ed455b488a/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-2.i [2023-11-06 22:05:43,825 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:05:44,058 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:05:44,059 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d94d407-b5f3-4dd0-b76b-c9ed455b488a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-2.i [2023-11-06 22:05:44,070 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d94d407-b5f3-4dd0-b76b-c9ed455b488a/bin/uautomizer-verify-WvqO1wxjHP/data/e790287db/690788d057ad494e930184a32f82a72e/FLAG8fec6a24a [2023-11-06 22:05:44,088 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d94d407-b5f3-4dd0-b76b-c9ed455b488a/bin/uautomizer-verify-WvqO1wxjHP/data/e790287db/690788d057ad494e930184a32f82a72e [2023-11-06 22:05:44,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:05:44,094 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:05:44,096 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:05:44,096 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:05:44,103 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:05:44,104 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:05:44" (1/1) ... [2023-11-06 22:05:44,106 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@600e9d1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:44, skipping insertion in model container [2023-11-06 22:05:44,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:05:44" (1/1) ... [2023-11-06 22:05:44,136 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:05:44,355 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_6d94d407-b5f3-4dd0-b76b-c9ed455b488a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-2.i[914,927] [2023-11-06 22:05:44,390 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:05:44,401 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:05:44,416 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_6d94d407-b5f3-4dd0-b76b-c9ed455b488a/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-2.i[914,927] [2023-11-06 22:05:44,432 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:05:44,448 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:05:44,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:44 WrapperNode [2023-11-06 22:05:44,449 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:05:44,450 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:05:44,451 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:05:44,451 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:05:44,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:44" (1/1) ... [2023-11-06 22:05:44,469 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:44" (1/1) ... [2023-11-06 22:05:44,503 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 72 [2023-11-06 22:05:44,504 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:05:44,505 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:05:44,505 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:05:44,505 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:05:44,518 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:44" (1/1) ... [2023-11-06 22:05:44,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:44" (1/1) ... [2023-11-06 22:05:44,522 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:44" (1/1) ... [2023-11-06 22:05:44,523 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:44" (1/1) ... [2023-11-06 22:05:44,529 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:44" (1/1) ... [2023-11-06 22:05:44,533 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:44" (1/1) ... [2023-11-06 22:05:44,536 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:44" (1/1) ... [2023-11-06 22:05:44,537 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:44" (1/1) ... [2023-11-06 22:05:44,541 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:05:44,542 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:05:44,543 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:05:44,543 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:05:44,544 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:44" (1/1) ... [2023-11-06 22:05:44,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:05:44,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d94d407-b5f3-4dd0-b76b-c9ed455b488a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:05:44,587 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d94d407-b5f3-4dd0-b76b-c9ed455b488a/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:05:44,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d94d407-b5f3-4dd0-b76b-c9ed455b488a/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:05:44,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:05:44,648 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:05:44,648 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:05:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:05:44,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:05:44,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:05:44,743 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:05:44,746 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:05:44,994 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:05:45,002 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:05:45,003 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:05:45,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:05:45 BoogieIcfgContainer [2023-11-06 22:05:45,006 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:05:45,010 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:05:45,010 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:05:45,015 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:05:45,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:05:44" (1/3) ... [2023-11-06 22:05:45,017 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6559d037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:05:45, skipping insertion in model container [2023-11-06 22:05:45,018 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:44" (2/3) ... [2023-11-06 22:05:45,018 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6559d037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:05:45, skipping insertion in model container [2023-11-06 22:05:45,018 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:05:45" (3/3) ... [2023-11-06 22:05:45,020 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-2.i [2023-11-06 22:05:45,044 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:05:45,044 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:05:45,141 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:05:45,152 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;@60934cf0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:05:45,153 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:05:45,160 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:05:45,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-06 22:05:45,176 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:05:45,180 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:05:45,182 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:05:45,191 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:45,191 INFO L85 PathProgramCache]: Analyzing trace with hash -927168940, now seen corresponding path program 1 times [2023-11-06 22:05:45,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:05:45,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995266727] [2023-11-06 22:05:45,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:45,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:05:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:48,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 22:05:48,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:48,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:05:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:48,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:05:48,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:48,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:05:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:48,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 22:05:48,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:48,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 22:05:48,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:48,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:05:48,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:48,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 22:05:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:48,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 22:05:48,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:48,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-06 22:05:48,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:48,925 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:05:48,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:05:48,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995266727] [2023-11-06 22:05:48,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995266727] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:05:48,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:05:48,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:05:48,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136949775] [2023-11-06 22:05:48,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:05:48,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:05:48,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:05:48,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:05:48,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:05:48,997 INFO L87 Difference]: Start difference. First operand has 35 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:05:50,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:05:50,277 INFO L93 Difference]: Finished difference Result 87 states and 148 transitions. [2023-11-06 22:05:50,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:05:50,281 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 65 [2023-11-06 22:05:50,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:05:50,292 INFO L225 Difference]: With dead ends: 87 [2023-11-06 22:05:50,293 INFO L226 Difference]: Without dead ends: 55 [2023-11-06 22:05:50,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:05:50,305 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 19 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:05:50,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 264 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:05:50,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-11-06 22:05:50,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 34. [2023-11-06 22:05:50,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 22 states have internal predecessors, (24), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-06 22:05:50,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 44 transitions. [2023-11-06 22:05:50,382 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 44 transitions. Word has length 65 [2023-11-06 22:05:50,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:05:50,384 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 44 transitions. [2023-11-06 22:05:50,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:05:50,384 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2023-11-06 22:05:50,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-06 22:05:50,389 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:05:50,389 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:05:50,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:05:50,390 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:05:50,390 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:50,391 INFO L85 PathProgramCache]: Analyzing trace with hash -925321898, now seen corresponding path program 1 times [2023-11-06 22:05:50,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:05:50,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19436295] [2023-11-06 22:05:50,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:50,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:05:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:51,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 22:05:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:51,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:05:51,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:51,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:05:51,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:51,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:05:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:51,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 22:05:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:51,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 22:05:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:51,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:05:51,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:51,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 22:05:51,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:51,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 22:05:51,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:51,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-06 22:05:51,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:51,403 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-06 22:05:51,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:05:51,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19436295] [2023-11-06 22:05:51,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19436295] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:05:51,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:05:51,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:05:51,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282373106] [2023-11-06 22:05:51,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:05:51,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:05:51,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:05:51,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:05:51,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:05:51,412 INFO L87 Difference]: Start difference. First operand 34 states and 44 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:05:51,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:05:51,804 INFO L93 Difference]: Finished difference Result 55 states and 76 transitions. [2023-11-06 22:05:51,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:05:51,805 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 65 [2023-11-06 22:05:51,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:05:51,807 INFO L225 Difference]: With dead ends: 55 [2023-11-06 22:05:51,807 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:05:51,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:05:51,810 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 19 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:05:51,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 272 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:05:51,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:05:51,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:05:51,812 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 22:05:51,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:05:51,813 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2023-11-06 22:05:51,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:05:51,813 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:05:51,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:05:51,813 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:05:51,814 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:05:51,817 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:05:51,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:05:51,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:05:52,280 INFO L899 garLoopResultBuilder]: For program point L56(lines 56 58) no Hoare annotation was computed. [2023-11-06 22:05:52,281 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-06 22:05:52,283 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-06 22:05:52,288 INFO L899 garLoopResultBuilder]: For program point L48(line 48) no Hoare annotation was computed. [2023-11-06 22:05:52,288 INFO L902 garLoopResultBuilder]: At program point L19-3(line 19) the Hoare annotation is: true [2023-11-06 22:05:52,289 INFO L902 garLoopResultBuilder]: At program point L44(line 44) the Hoare annotation is: true [2023-11-06 22:05:52,289 INFO L902 garLoopResultBuilder]: At program point L44-1(line 44) the Hoare annotation is: true [2023-11-06 22:05:52,289 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 63 74) the Hoare annotation is: false [2023-11-06 22:05:52,289 INFO L899 garLoopResultBuilder]: For program point L32(lines 32 38) no Hoare annotation was computed. [2023-11-06 22:05:52,290 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:05:52,290 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:05:52,290 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-11-06 22:05:52,292 INFO L902 garLoopResultBuilder]: At program point L53(line 53) the Hoare annotation is: true [2023-11-06 22:05:52,292 INFO L902 garLoopResultBuilder]: At program point L53-1(line 53) the Hoare annotation is: true [2023-11-06 22:05:52,294 INFO L895 garLoopResultBuilder]: At program point property_returnLabel#1(lines 59 62) the Hoare annotation is: (let ((.cse15 (* 256 (div ~var_1_6~0 256)))) (let ((.cse5 (= (+ .cse15 ~var_1_9~0) ~var_1_6~0)) (.cse6 (<= 1 |ULTIMATE.start_property_#res#1|))) (or (and (let ((.cse3 (div ~last_1_var_1_1~0 256))) (let ((.cse1 (+ ~last_1_var_1_1~0 (* 4294967296 (div ~var_1_3~0 4294967296)))) (.cse0 (* 256 .cse3))) (or (and (<= (+ .cse0 ~var_1_3~0 1) .cse1) (let ((.cse2 (+ (* 4294967295 ~var_1_3~0) ~var_1_2~0))) (<= (+ (* (div .cse2 4294967296) 4294967296) ~var_1_9~0) .cse2))) (and (let ((.cse4 (* 4294967295 ~last_1_var_1_1~0))) (<= (+ (* 1099511627520 .cse3) ~var_1_9~0 (* (div (+ .cse4 (* (- 1099511627520) .cse3) ~var_1_2~0) 4294967296) 4294967296)) (+ .cse4 ~var_1_2~0))) (<= .cse1 (+ .cse0 ~var_1_3~0)))))) .cse5 .cse6) (let ((.cse11 (+ 6 ~var_1_8~0 ~var_1_7~0)) (.cse12 (* (div ~var_1_7~0 256) 256))) (let ((.cse7 (+ ~var_1_1~0 (* (div (+ 6 ~var_1_8~0 ~var_1_6~0) 256) 256))) (.cse10 (+ .cse15 ~var_1_7~0 1)) (.cse9 (+ ~var_1_6~0 .cse12)) (.cse14 (+ .cse15 ~var_1_7~0)) (.cse8 (* 256 (div ~var_1_1~0 256))) (.cse13 (+ ~var_1_1~0 (* 256 (div .cse11 256))))) (and .cse5 .cse6 (or (< .cse7 (+ 7 ~var_1_8~0 ~var_1_6~0 .cse8)) (< .cse9 .cse10)) (<= .cse11 (+ (* (div ~var_1_8~0 256) 256) ~var_1_1~0 .cse12)) (or (< .cse13 (+ 7 ~var_1_8~0 ~var_1_7~0 .cse8)) (< .cse14 .cse9)) (or (and (<= (+ 6 ~var_1_8~0 ~var_1_6~0 .cse8) .cse7) (<= .cse10 .cse9)) (and (<= .cse9 .cse14) (<= (+ 6 ~var_1_8~0 ~var_1_7~0 .cse8) .cse13))))))))) [2023-11-06 22:05:52,298 INFO L899 garLoopResultBuilder]: For program point L45(line 45) no Hoare annotation was computed. [2023-11-06 22:05:52,299 INFO L902 garLoopResultBuilder]: At program point L41(line 41) the Hoare annotation is: true [2023-11-06 22:05:52,299 INFO L902 garLoopResultBuilder]: At program point L41-1(line 41) the Hoare annotation is: true [2023-11-06 22:05:52,299 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:05:52,300 INFO L902 garLoopResultBuilder]: At program point L66-2(lines 66 72) the Hoare annotation is: true [2023-11-06 22:05:52,300 INFO L899 garLoopResultBuilder]: For program point L66-3(lines 66 72) no Hoare annotation was computed. [2023-11-06 22:05:52,301 INFO L899 garLoopResultBuilder]: For program point L54(lines 39 55) no Hoare annotation was computed. [2023-11-06 22:05:52,301 INFO L902 garLoopResultBuilder]: At program point L50(line 50) the Hoare annotation is: true [2023-11-06 22:05:52,302 INFO L902 garLoopResultBuilder]: At program point L50-1(line 50) the Hoare annotation is: true [2023-11-06 22:05:52,302 INFO L899 garLoopResultBuilder]: For program point L42(line 42) no Hoare annotation was computed. [2023-11-06 22:05:52,302 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:05:52,303 INFO L899 garLoopResultBuilder]: For program point L30(lines 30 31) no Hoare annotation was computed. [2023-11-06 22:05:52,303 INFO L899 garLoopResultBuilder]: For program point L51(line 51) no Hoare annotation was computed. [2023-11-06 22:05:52,303 INFO L902 garLoopResultBuilder]: At program point L47(line 47) the Hoare annotation is: true [2023-11-06 22:05:52,304 INFO L902 garLoopResultBuilder]: At program point L47-1(line 47) the Hoare annotation is: true [2023-11-06 22:05:52,305 INFO L899 garLoopResultBuilder]: For program point L35(lines 35 37) no Hoare annotation was computed. [2023-11-06 22:05:52,306 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-11-06 22:05:52,306 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-11-06 22:05:52,306 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-11-06 22:05:52,306 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-11-06 22:05:52,310 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-06 22:05:52,313 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:05:52,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:05:52 BoogieIcfgContainer [2023-11-06 22:05:52,377 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:05:52,377 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:05:52,378 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:05:52,378 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:05:52,379 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:05:45" (3/4) ... [2023-11-06 22:05:52,381 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:05:52,386 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-06 22:05:52,396 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-06 22:05:52,397 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:05:52,398 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:05:52,399 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:05:52,435 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((256 * (last_1_var_1_1 / 256)) + var_1_3) + 1) <= (last_1_var_1_1 + (4294967296 * (var_1_3 / 4294967296)))) && ((((((4294967295 * var_1_3) + var_1_2) / 4294967296) * 4294967296) + var_1_9) <= ((4294967295 * var_1_3) + var_1_2))) || (((((1099511627520 * (last_1_var_1_1 / 256)) + var_1_9) + (((((4294967295 * last_1_var_1_1) + (-1099511627520 * (last_1_var_1_1 / 256))) + var_1_2) / 4294967296) * 4294967296)) <= ((4294967295 * last_1_var_1_1) + var_1_2)) && ((last_1_var_1_1 + (4294967296 * (var_1_3 / 4294967296))) <= ((256 * (last_1_var_1_1 / 256)) + var_1_3)))) && (((256 * (var_1_6 / 256)) + var_1_9) == var_1_6)) && (1 <= \result)) || ((((((((256 * (var_1_6 / 256)) + var_1_9) == var_1_6) && (1 <= \result)) && (((var_1_1 + ((((6 + var_1_8) + var_1_6) / 256) * 256)) < (((7 + var_1_8) + var_1_6) + (256 * (var_1_1 / 256)))) || ((var_1_6 + ((var_1_7 / 256) * 256)) < (((256 * (var_1_6 / 256)) + var_1_7) + 1)))) && (((6 + var_1_8) + var_1_7) <= ((((var_1_8 / 256) * 256) + var_1_1) + ((var_1_7 / 256) * 256)))) && (((var_1_1 + (256 * (((6 + var_1_8) + var_1_7) / 256))) < (((7 + var_1_8) + var_1_7) + (256 * (var_1_1 / 256)))) || (((256 * (var_1_6 / 256)) + var_1_7) < (var_1_6 + ((var_1_7 / 256) * 256))))) && ((((((6 + var_1_8) + var_1_6) + (256 * (var_1_1 / 256))) <= (var_1_1 + ((((6 + var_1_8) + var_1_6) / 256) * 256))) && ((((256 * (var_1_6 / 256)) + var_1_7) + 1) <= (var_1_6 + ((var_1_7 / 256) * 256)))) || (((var_1_6 + ((var_1_7 / 256) * 256)) <= ((256 * (var_1_6 / 256)) + var_1_7)) && ((((6 + var_1_8) + var_1_7) + (256 * (var_1_1 / 256))) <= (var_1_1 + (256 * (((6 + var_1_8) + var_1_7) / 256)))))))) [2023-11-06 22:05:52,463 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((256 * (last_1_var_1_1 / 256)) + var_1_3) + 1) <= (last_1_var_1_1 + (4294967296 * (var_1_3 / 4294967296)))) && ((((((4294967295 * var_1_3) + var_1_2) / 4294967296) * 4294967296) + var_1_9) <= ((4294967295 * var_1_3) + var_1_2))) || (((((1099511627520 * (last_1_var_1_1 / 256)) + var_1_9) + (((((4294967295 * last_1_var_1_1) + (-1099511627520 * (last_1_var_1_1 / 256))) + var_1_2) / 4294967296) * 4294967296)) <= ((4294967295 * last_1_var_1_1) + var_1_2)) && ((last_1_var_1_1 + (4294967296 * (var_1_3 / 4294967296))) <= ((256 * (last_1_var_1_1 / 256)) + var_1_3)))) && (((256 * (var_1_6 / 256)) + var_1_9) == var_1_6)) && (1 <= \result)) || ((((((((256 * (var_1_6 / 256)) + var_1_9) == var_1_6) && (1 <= \result)) && (((var_1_1 + ((((6 + var_1_8) + var_1_6) / 256) * 256)) < (((7 + var_1_8) + var_1_6) + (256 * (var_1_1 / 256)))) || ((var_1_6 + ((var_1_7 / 256) * 256)) < (((256 * (var_1_6 / 256)) + var_1_7) + 1)))) && (((6 + var_1_8) + var_1_7) <= ((((var_1_8 / 256) * 256) + var_1_1) + ((var_1_7 / 256) * 256)))) && (((var_1_1 + (256 * (((6 + var_1_8) + var_1_7) / 256))) < (((7 + var_1_8) + var_1_7) + (256 * (var_1_1 / 256)))) || (((256 * (var_1_6 / 256)) + var_1_7) < (var_1_6 + ((var_1_7 / 256) * 256))))) && ((((((6 + var_1_8) + var_1_6) + (256 * (var_1_1 / 256))) <= (var_1_1 + ((((6 + var_1_8) + var_1_6) / 256) * 256))) && ((((256 * (var_1_6 / 256)) + var_1_7) + 1) <= (var_1_6 + ((var_1_7 / 256) * 256)))) || (((var_1_6 + ((var_1_7 / 256) * 256)) <= ((256 * (var_1_6 / 256)) + var_1_7)) && ((((6 + var_1_8) + var_1_7) + (256 * (var_1_1 / 256))) <= (var_1_1 + (256 * (((6 + var_1_8) + var_1_7) / 256)))))))) [2023-11-06 22:05:52,474 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d94d407-b5f3-4dd0-b76b-c9ed455b488a/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:05:52,475 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d94d407-b5f3-4dd0-b76b-c9ed455b488a/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:05:52,475 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:05:52,475 INFO L158 Benchmark]: Toolchain (without parser) took 8381.68ms. Allocated memory was 218.1MB in the beginning and 291.5MB in the end (delta: 73.4MB). Free memory was 179.0MB in the beginning and 191.8MB in the end (delta: -12.8MB). Peak memory consumption was 62.7MB. Max. memory is 16.1GB. [2023-11-06 22:05:52,476 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 109.1MB. Free memory was 51.6MB in the beginning and 51.5MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:05:52,476 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.62ms. Allocated memory is still 218.1MB. Free memory was 179.0MB in the beginning and 168.0MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 22:05:52,477 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.73ms. Allocated memory is still 218.1MB. Free memory was 168.0MB in the beginning and 165.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:05:52,477 INFO L158 Benchmark]: Boogie Preprocessor took 36.64ms. Allocated memory is still 218.1MB. Free memory was 165.9MB in the beginning and 164.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:05:52,477 INFO L158 Benchmark]: RCFGBuilder took 463.92ms. Allocated memory is still 218.1MB. Free memory was 164.3MB in the beginning and 151.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:05:52,478 INFO L158 Benchmark]: TraceAbstraction took 7366.79ms. Allocated memory was 218.1MB in the beginning and 291.5MB in the end (delta: 73.4MB). Free memory was 150.7MB in the beginning and 196.0MB in the end (delta: -45.3MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2023-11-06 22:05:52,478 INFO L158 Benchmark]: Witness Printer took 97.39ms. Allocated memory is still 291.5MB. Free memory was 196.0MB in the beginning and 191.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:05:52,481 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 109.1MB. Free memory was 51.6MB in the beginning and 51.5MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.62ms. Allocated memory is still 218.1MB. Free memory was 179.0MB in the beginning and 168.0MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.73ms. Allocated memory is still 218.1MB. Free memory was 168.0MB in the beginning and 165.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.64ms. Allocated memory is still 218.1MB. Free memory was 165.9MB in the beginning and 164.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 463.92ms. Allocated memory is still 218.1MB. Free memory was 164.3MB in the beginning and 151.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 7366.79ms. Allocated memory was 218.1MB in the beginning and 291.5MB in the end (delta: 73.4MB). Free memory was 150.7MB in the beginning and 196.0MB in the end (delta: -45.3MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. * Witness Printer took 97.39ms. Allocated memory is still 291.5MB. Free memory was 196.0MB in the beginning and 191.8MB 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: 19]: 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, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.2s, OverallIterations: 2, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 58 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 536 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 410 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 123 IncrementalHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 126 mSDtfsCounter, 123 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, InterpolantAutomatonStates: 18, 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, 2 MinimizatonAttempts, 21 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 44 PreInvPairs, 70 NumberOfFragments, 283 HoareAnnotationTreeSize, 44 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 90 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 128 ConstructedInterpolants, 0 QuantifiedInterpolants, 510 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 360/360 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: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: (((((((((256 * (last_1_var_1_1 / 256)) + var_1_3) + 1) <= (last_1_var_1_1 + (4294967296 * (var_1_3 / 4294967296)))) && ((((((4294967295 * var_1_3) + var_1_2) / 4294967296) * 4294967296) + var_1_9) <= ((4294967295 * var_1_3) + var_1_2))) || (((((1099511627520 * (last_1_var_1_1 / 256)) + var_1_9) + (((((4294967295 * last_1_var_1_1) + (-1099511627520 * (last_1_var_1_1 / 256))) + var_1_2) / 4294967296) * 4294967296)) <= ((4294967295 * last_1_var_1_1) + var_1_2)) && ((last_1_var_1_1 + (4294967296 * (var_1_3 / 4294967296))) <= ((256 * (last_1_var_1_1 / 256)) + var_1_3)))) && (((256 * (var_1_6 / 256)) + var_1_9) == var_1_6)) && (1 <= \result)) || ((((((((256 * (var_1_6 / 256)) + var_1_9) == var_1_6) && (1 <= \result)) && (((var_1_1 + ((((6 + var_1_8) + var_1_6) / 256) * 256)) < (((7 + var_1_8) + var_1_6) + (256 * (var_1_1 / 256)))) || ((var_1_6 + ((var_1_7 / 256) * 256)) < (((256 * (var_1_6 / 256)) + var_1_7) + 1)))) && (((6 + var_1_8) + var_1_7) <= ((((var_1_8 / 256) * 256) + var_1_1) + ((var_1_7 / 256) * 256)))) && (((var_1_1 + (256 * (((6 + var_1_8) + var_1_7) / 256))) < (((7 + var_1_8) + var_1_7) + (256 * (var_1_1 / 256)))) || (((256 * (var_1_6 / 256)) + var_1_7) < (var_1_6 + ((var_1_7 / 256) * 256))))) && ((((((6 + var_1_8) + var_1_6) + (256 * (var_1_1 / 256))) <= (var_1_1 + ((((6 + var_1_8) + var_1_6) / 256) * 256))) && ((((256 * (var_1_6 / 256)) + var_1_7) + 1) <= (var_1_6 + ((var_1_7 / 256) * 256)))) || (((var_1_6 + ((var_1_7 / 256) * 256)) <= ((256 * (var_1_6 / 256)) + var_1_7)) && ((((6 + var_1_8) + var_1_7) + (256 * (var_1_1 / 256))) <= (var_1_1 + (256 * (((6 + var_1_8) + var_1_7) / 256)))))))) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-06 22:05:52,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d94d407-b5f3-4dd0-b76b-c9ed455b488a/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