./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-10.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_baf382f0-09e1-4abc-917b-32d7e514a7bf/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf382f0-09e1-4abc-917b-32d7e514a7bf/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_baf382f0-09e1-4abc-917b-32d7e514a7bf/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf382f0-09e1-4abc-917b-32d7e514a7bf/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf382f0-09e1-4abc-917b-32d7e514a7bf/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_baf382f0-09e1-4abc-917b-32d7e514a7bf/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 cc21cab85f3a94e97afb562c232c93e4210c4a4322b3cf7aaffe70d5f8ba1771 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:40:18,039 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:40:18,138 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf382f0-09e1-4abc-917b-32d7e514a7bf/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:40:18,144 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:40:18,145 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:40:18,175 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:40:18,176 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:40:18,176 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:40:18,177 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:40:18,178 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:40:18,179 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:40:18,179 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:40:18,180 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:40:18,181 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:40:18,181 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:40:18,182 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:40:18,182 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:40:18,183 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:40:18,183 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:40:18,184 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:40:18,184 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:40:18,185 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:40:18,186 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:40:18,186 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:40:18,187 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:40:18,187 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:40:18,188 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:40:18,188 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:40:18,189 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:40:18,189 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:40:18,189 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:40:18,190 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:40:18,190 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:40:18,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:40:18,191 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:40:18,191 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:40:18,191 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:40:18,192 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:40:18,192 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:40:18,192 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_baf382f0-09e1-4abc-917b-32d7e514a7bf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf382f0-09e1-4abc-917b-32d7e514a7bf/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc21cab85f3a94e97afb562c232c93e4210c4a4322b3cf7aaffe70d5f8ba1771 [2023-11-06 22:40:18,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:40:18,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:40:18,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:40:18,556 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:40:18,558 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:40:18,563 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf382f0-09e1-4abc-917b-32d7e514a7bf/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-10.i [2023-11-06 22:40:21,771 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:40:22,109 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:40:22,110 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf382f0-09e1-4abc-917b-32d7e514a7bf/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-10.i [2023-11-06 22:40:22,123 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf382f0-09e1-4abc-917b-32d7e514a7bf/bin/uautomizer-verify-WvqO1wxjHP/data/c9b44eba7/408647b6130e4a39ac5a2db5292f8d09/FLAGa7505d2a6 [2023-11-06 22:40:22,153 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf382f0-09e1-4abc-917b-32d7e514a7bf/bin/uautomizer-verify-WvqO1wxjHP/data/c9b44eba7/408647b6130e4a39ac5a2db5292f8d09 [2023-11-06 22:40:22,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:40:22,169 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:40:22,172 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:40:22,201 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:40:22,217 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:40:22,225 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:40:22" (1/1) ... [2023-11-06 22:40:22,226 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b319198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:22, skipping insertion in model container [2023-11-06 22:40:22,226 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:40:22" (1/1) ... [2023-11-06 22:40:22,262 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:40:22,477 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_baf382f0-09e1-4abc-917b-32d7e514a7bf/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-10.i[915,928] [2023-11-06 22:40:22,513 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:40:22,531 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:40:22,555 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_baf382f0-09e1-4abc-917b-32d7e514a7bf/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-10.i[915,928] [2023-11-06 22:40:22,577 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:40:22,599 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:40:22,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:22 WrapperNode [2023-11-06 22:40:22,600 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:40:22,601 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:40:22,602 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:40:22,602 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:40:22,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:22" (1/1) ... [2023-11-06 22:40:22,622 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:22" (1/1) ... [2023-11-06 22:40:22,653 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 79 [2023-11-06 22:40:22,654 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:40:22,655 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:40:22,655 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:40:22,655 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:40:22,668 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:22" (1/1) ... [2023-11-06 22:40:22,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:22" (1/1) ... [2023-11-06 22:40:22,671 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:22" (1/1) ... [2023-11-06 22:40:22,671 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:22" (1/1) ... [2023-11-06 22:40:22,677 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:22" (1/1) ... [2023-11-06 22:40:22,682 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:22" (1/1) ... [2023-11-06 22:40:22,683 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:22" (1/1) ... [2023-11-06 22:40:22,685 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:22" (1/1) ... [2023-11-06 22:40:22,688 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:40:22,689 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:40:22,690 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:40:22,690 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:40:22,691 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:22" (1/1) ... [2023-11-06 22:40:22,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:40:22,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf382f0-09e1-4abc-917b-32d7e514a7bf/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:40:22,739 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf382f0-09e1-4abc-917b-32d7e514a7bf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:40:22,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf382f0-09e1-4abc-917b-32d7e514a7bf/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:40:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:40:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:40:22,797 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:40:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:40:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:40:22,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:40:22,911 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:40:22,914 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:40:23,273 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:40:23,281 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:40:23,282 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:40:23,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:40:23 BoogieIcfgContainer [2023-11-06 22:40:23,285 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:40:23,288 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:40:23,288 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:40:23,292 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:40:23,293 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:40:22" (1/3) ... [2023-11-06 22:40:23,294 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1359c979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:40:23, skipping insertion in model container [2023-11-06 22:40:23,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:22" (2/3) ... [2023-11-06 22:40:23,295 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1359c979 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:40:23, skipping insertion in model container [2023-11-06 22:40:23,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:40:23" (3/3) ... [2023-11-06 22:40:23,297 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-10.i [2023-11-06 22:40:23,319 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:40:23,320 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:40:23,372 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:40:23,381 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;@22f336af, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:40:23,381 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:40:23,386 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 24 states have (on average 1.25) internal successors, (30), 25 states have internal predecessors, (30), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 22:40:23,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-06 22:40:23,398 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:23,399 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 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, 1, 1, 1, 1, 1, 1] [2023-11-06 22:40:23,400 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:40:23,406 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:23,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1560811563, now seen corresponding path program 1 times [2023-11-06 22:40:23,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:23,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251746251] [2023-11-06 22:40:23,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:23,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:23,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:23,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 22:40:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:23,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:40:23,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:23,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:40:23,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:23,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:40:23,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:23,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 22:40:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:23,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 22:40:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:23,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:40:23,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:23,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 22:40:23,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:23,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 22:40:23,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:23,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-06 22:40:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:23,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-06 22:40:23,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:23,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-06 22:40:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:23,810 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-06 22:40:23,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:23,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251746251] [2023-11-06 22:40:23,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251746251] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:23,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:40:23,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:40:23,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971340830] [2023-11-06 22:40:23,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:23,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:40:23,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:23,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:40:23,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:40:23,863 INFO L87 Difference]: Start difference. First operand has 39 states, 24 states have (on average 1.25) internal successors, (30), 25 states have internal predecessors, (30), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-06 22:40:23,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:23,915 INFO L93 Difference]: Finished difference Result 71 states and 114 transitions. [2023-11-06 22:40:23,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:40:23,918 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 77 [2023-11-06 22:40:23,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:23,930 INFO L225 Difference]: With dead ends: 71 [2023-11-06 22:40:23,930 INFO L226 Difference]: Without dead ends: 35 [2023-11-06 22:40:23,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:40:23,942 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:40:23,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:40:23,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2023-11-06 22:40:23,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2023-11-06 22:40:24,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 22:40:24,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 47 transitions. [2023-11-06 22:40:24,007 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 47 transitions. Word has length 77 [2023-11-06 22:40:24,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:40:24,010 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 47 transitions. [2023-11-06 22:40:24,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-06 22:40:24,011 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 47 transitions. [2023-11-06 22:40:24,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-06 22:40:24,020 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:24,021 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 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, 1, 1, 1, 1, 1, 1] [2023-11-06 22:40:24,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:40:24,022 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:40:24,024 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:24,026 INFO L85 PathProgramCache]: Analyzing trace with hash 886095829, now seen corresponding path program 1 times [2023-11-06 22:40:24,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:24,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157743597] [2023-11-06 22:40:24,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:24,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:24,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:25,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 22:40:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:25,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:40:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:25,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:40:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:25,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:40:25,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:25,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 22:40:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:25,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 22:40:25,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:25,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:40:25,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:25,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 22:40:25,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:25,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 22:40:25,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:25,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-06 22:40:25,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:25,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-06 22:40:25,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:25,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-06 22:40:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:25,491 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-06 22:40:25,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:25,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157743597] [2023-11-06 22:40:25,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157743597] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:25,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:40:25,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:40:25,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320041744] [2023-11-06 22:40:25,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:25,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:40:25,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:25,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:40:25,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:40:25,498 INFO L87 Difference]: Start difference. First operand 35 states and 47 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:40:25,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:25,692 INFO L93 Difference]: Finished difference Result 67 states and 92 transitions. [2023-11-06 22:40:25,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:40:25,693 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 77 [2023-11-06 22:40:25,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:25,696 INFO L225 Difference]: With dead ends: 67 [2023-11-06 22:40:25,696 INFO L226 Difference]: Without dead ends: 65 [2023-11-06 22:40:25,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:40:25,699 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 26 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:40:25,700 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 280 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:40:25,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-11-06 22:40:25,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 39. [2023-11-06 22:40:25,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 25 states have (on average 1.08) internal successors, (27), 25 states have internal predecessors, (27), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 22:40:25,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 51 transitions. [2023-11-06 22:40:25,717 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 51 transitions. Word has length 77 [2023-11-06 22:40:25,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:40:25,718 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 51 transitions. [2023-11-06 22:40:25,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:40:25,719 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 51 transitions. [2023-11-06 22:40:25,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-06 22:40:25,721 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:40:25,721 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 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, 1, 1, 1, 1, 1, 1] [2023-11-06 22:40:25,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:40:25,723 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:40:25,723 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:40:25,724 INFO L85 PathProgramCache]: Analyzing trace with hash 943354131, now seen corresponding path program 1 times [2023-11-06 22:40:25,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:40:25,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288716390] [2023-11-06 22:40:25,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:40:25,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:40:25,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:31,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 22:40:31,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:31,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:40:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:31,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:40:31,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:31,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:40:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:31,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 22:40:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:31,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 22:40:31,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:31,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:40:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:31,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 22:40:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:31,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 22:40:31,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:31,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-06 22:40:31,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:31,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-06 22:40:31,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:31,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-06 22:40:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:40:31,730 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-06 22:40:31,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:40:31,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288716390] [2023-11-06 22:40:31,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288716390] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:40:31,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:40:31,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:40:31,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117193087] [2023-11-06 22:40:31,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:40:31,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:40:31,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:40:31,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:40:31,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:40:31,735 INFO L87 Difference]: Start difference. First operand 39 states and 51 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:40:42,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:40:42,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:40:42,873 INFO L93 Difference]: Finished difference Result 65 states and 90 transitions. [2023-11-06 22:40:42,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-06 22:40:42,882 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 77 [2023-11-06 22:40:42,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:40:42,883 INFO L225 Difference]: With dead ends: 65 [2023-11-06 22:40:42,883 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:40:42,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:40:42,885 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 19 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:40:42,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 314 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2023-11-06 22:40:42,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:40:42,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:40:42,887 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 22:40:42,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:40:42,888 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 77 [2023-11-06 22:40:42,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:40:42,888 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:40:42,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-06 22:40:42,888 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:40:42,888 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:40:42,892 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:40:42,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:40:42,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:40:43,625 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 32) no Hoare annotation was computed. [2023-11-06 22:40:43,625 INFO L899 garLoopResultBuilder]: For program point L60(lines 42 61) no Hoare annotation was computed. [2023-11-06 22:40:43,625 INFO L902 garLoopResultBuilder]: At program point L56(line 56) the Hoare annotation is: true [2023-11-06 22:40:43,625 INFO L902 garLoopResultBuilder]: At program point L56-1(line 56) the Hoare annotation is: true [2023-11-06 22:40:43,625 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-06 22:40:43,626 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-06 22:40:43,626 INFO L899 garLoopResultBuilder]: For program point L48(line 48) no Hoare annotation was computed. [2023-11-06 22:40:43,626 INFO L895 garLoopResultBuilder]: At program point L19-3(line 19) the Hoare annotation is: (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| 0)) [2023-11-06 22:40:43,626 INFO L902 garLoopResultBuilder]: At program point L44(line 44) the Hoare annotation is: true [2023-11-06 22:40:43,626 INFO L902 garLoopResultBuilder]: At program point L44-1(line 44) the Hoare annotation is: true [2023-11-06 22:40:43,627 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 68 79) the Hoare annotation is: false [2023-11-06 22:40:43,627 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:40:43,627 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:40:43,627 INFO L899 garLoopResultBuilder]: For program point L57(line 57) no Hoare annotation was computed. [2023-11-06 22:40:43,627 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-11-06 22:40:43,627 INFO L902 garLoopResultBuilder]: At program point L53(line 53) the Hoare annotation is: true [2023-11-06 22:40:43,627 INFO L902 garLoopResultBuilder]: At program point L53-1(line 53) the Hoare annotation is: true [2023-11-06 22:40:43,629 INFO L895 garLoopResultBuilder]: At program point property_returnLabel#1(lines 64 67) the Hoare annotation is: (let ((.cse21 (div ~var_1_1~0 4294967296))) (let ((.cse9 (= ~var_1_8~0 ~var_1_7~0)) (.cse10 (not (= |ULTIMATE.start_property_#res#1| 0))) (.cse6 (* .cse21 4294967296)) (.cse12 (= ~var_1_9~0 ~var_1_8~0)) (.cse11 (= (* (div ~var_1_2~0 256) 256) ~var_1_2~0))) (or (let ((.cse28 (* (div ~var_1_4~0 4294967296) 4294967296)) (.cse24 (* 4294967295 ~var_1_3~0)) (.cse5 (* 4294967295 ~var_1_5~0)) (.cse29 (* 4294967296 (div ~var_1_3~0 4294967296)))) (let ((.cse4 (* 4294967295 ~var_1_6~0)) (.cse0 (+ ~var_1_6~0 .cse29)) (.cse20 (div (+ .cse24 .cse5 ~var_1_4~0) 4294967296)) (.cse17 (div (+ .cse24 .cse5 3681868257) 4294967296)) (.cse22 (+ ~var_1_6~0 .cse29 1)) (.cse1 (+ ~var_1_3~0 (* (div ~var_1_6~0 4294967296) 4294967296))) (.cse27 (+ .cse28 3681868257)) (.cse26 (+ .cse28 3681868258))) (let ((.cse2 (< ~var_1_4~0 .cse26)) (.cse8 (< .cse27 ~var_1_4~0)) (.cse19 (<= .cse22 .cse1)) (.cse23 (+ (* .cse17 4294967296) ~var_1_1~0)) (.cse25 (+ (* .cse20 4294967296) ~var_1_1~0)) (.cse16 (<= .cse1 .cse0)) (.cse7 (+ ~var_1_1~0 (* (div (+ .cse4 .cse5 ~var_1_4~0) 4294967296) 4294967296))) (.cse15 (<= ~var_1_4~0 .cse27)) (.cse13 (<= .cse26 ~var_1_4~0)) (.cse3 (+ (* 4294967296 (div (+ .cse4 .cse5 3681868257) 4294967296)) ~var_1_1~0))) (and (or (< .cse0 .cse1) (and (or .cse2 (< .cse3 (+ .cse4 .cse5 .cse6 3681868258))) (or (< .cse7 (+ .cse4 .cse5 ~var_1_4~0 .cse6 1)) .cse8))) .cse9 .cse10 .cse11 .cse12 (or (and (let ((.cse14 (+ ~var_1_1~0 ~var_1_6~0 ~var_1_5~0))) (or (and .cse13 (<= 3681868257 .cse14)) (and (<= ~var_1_4~0 .cse14) .cse15))) .cse16) (let ((.cse18 (+ .cse21 ~var_1_3~0 ~var_1_5~0 1))) (and (or .cse2 (< .cse17 .cse18)) .cse19 (or .cse8 (< .cse20 .cse18))))) (or (< .cse1 .cse22) (and (or (< .cse23 (+ .cse24 .cse5 .cse6 3681868258)) .cse2) (or (< .cse25 (+ .cse24 .cse5 ~var_1_4~0 .cse6 1)) .cse8))) (or (and .cse19 (or (and .cse13 (<= (+ .cse24 .cse5 .cse6 3681868257) .cse23)) (and .cse15 (<= (+ .cse24 .cse5 ~var_1_4~0 .cse6) .cse25)))) (and .cse16 (or (and (<= (+ .cse4 .cse5 ~var_1_4~0 .cse6) .cse7) .cse15) (and .cse13 (<= (+ .cse4 .cse5 .cse6 3681868257) .cse3))))))))) (let ((.cse30 (div (+ ~var_1_3~0 1) 4294967296))) (and .cse9 .cse10 (= (+ ~var_1_3~0 .cse6 1) (+ ~var_1_1~0 (* .cse30 4294967296))) .cse12 (<= .cse30 .cse21) (not .cse11)))))) [2023-11-06 22:40:43,629 INFO L899 garLoopResultBuilder]: For program point L45(line 45) no Hoare annotation was computed. [2023-11-06 22:40:43,629 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 41) no Hoare annotation was computed. [2023-11-06 22:40:43,629 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:40:43,630 INFO L899 garLoopResultBuilder]: For program point L62(lines 62 63) no Hoare annotation was computed. [2023-11-06 22:40:43,630 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2023-11-06 22:40:43,630 INFO L902 garLoopResultBuilder]: At program point L50(line 50) the Hoare annotation is: true [2023-11-06 22:40:43,630 INFO L902 garLoopResultBuilder]: At program point L50-1(line 50) the Hoare annotation is: true [2023-11-06 22:40:43,631 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:40:43,631 INFO L902 garLoopResultBuilder]: At program point L71-2(lines 71 77) the Hoare annotation is: true [2023-11-06 22:40:43,631 INFO L899 garLoopResultBuilder]: For program point L71-3(lines 71 77) no Hoare annotation was computed. [2023-11-06 22:40:43,631 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 38) no Hoare annotation was computed. [2023-11-06 22:40:43,631 INFO L899 garLoopResultBuilder]: For program point L34-2(lines 34 38) no Hoare annotation was computed. [2023-11-06 22:40:43,632 INFO L902 garLoopResultBuilder]: At program point L59(line 59) the Hoare annotation is: true [2023-11-06 22:40:43,632 INFO L902 garLoopResultBuilder]: At program point L59-1(line 59) the Hoare annotation is: true [2023-11-06 22:40:43,632 INFO L899 garLoopResultBuilder]: For program point L51(line 51) no Hoare annotation was computed. [2023-11-06 22:40:43,632 INFO L902 garLoopResultBuilder]: At program point L47(line 47) the Hoare annotation is: true [2023-11-06 22:40:43,633 INFO L902 garLoopResultBuilder]: At program point L47-1(line 47) the Hoare annotation is: true [2023-11-06 22:40:43,633 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-11-06 22:40:43,633 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-11-06 22:40:43,633 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-11-06 22:40:43,633 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-11-06 22:40:43,637 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-06 22:40:43,640 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:40:43,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:40:43 BoogieIcfgContainer [2023-11-06 22:40:43,704 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:40:43,704 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:40:43,705 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:40:43,705 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:40:43,705 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:40:23" (3/4) ... [2023-11-06 22:40:43,708 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:40:43,713 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-06 22:40:43,721 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-06 22:40:43,724 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:40:43,725 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:40:43,725 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:40:43,764 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((var_1_6 + (4294967296 * (var_1_3 / 4294967296))) < (var_1_3 + ((var_1_6 / 4294967296) * 4294967296))) || (((var_1_4 < (((var_1_4 / 4294967296) * 4294967296) + 3681868258)) || (((4294967296 * ((((4294967295 * var_1_6) + (4294967295 * var_1_5)) + 3681868257) / 4294967296)) + var_1_1) < ((((4294967295 * var_1_6) + (4294967295 * var_1_5)) + ((var_1_1 / 4294967296) * 4294967296)) + 3681868258))) && (((var_1_1 + (((((4294967295 * var_1_6) + (4294967295 * var_1_5)) + var_1_4) / 4294967296) * 4294967296)) < (((((4294967295 * var_1_6) + (4294967295 * var_1_5)) + var_1_4) + ((var_1_1 / 4294967296) * 4294967296)) + 1)) || ((((var_1_4 / 4294967296) * 4294967296) + 3681868257) < var_1_4)))) && (var_1_8 == var_1_7)) && !((\result == 0))) && (((var_1_2 / 256) * 256) == var_1_2)) && (var_1_9 == var_1_8)) && ((((((((var_1_4 / 4294967296) * 4294967296) + 3681868258) <= var_1_4) && (3681868257 <= ((var_1_1 + var_1_6) + var_1_5))) || ((var_1_4 <= ((var_1_1 + var_1_6) + var_1_5)) && (var_1_4 <= (((var_1_4 / 4294967296) * 4294967296) + 3681868257)))) && ((var_1_3 + ((var_1_6 / 4294967296) * 4294967296)) <= (var_1_6 + (4294967296 * (var_1_3 / 4294967296))))) || ((((var_1_4 < (((var_1_4 / 4294967296) * 4294967296) + 3681868258)) || (((((4294967295 * var_1_3) + (4294967295 * var_1_5)) + 3681868257) / 4294967296) < ((((var_1_1 / 4294967296) + var_1_3) + var_1_5) + 1))) && (((var_1_6 + (4294967296 * (var_1_3 / 4294967296))) + 1) <= (var_1_3 + ((var_1_6 / 4294967296) * 4294967296)))) && (((((var_1_4 / 4294967296) * 4294967296) + 3681868257) < var_1_4) || (((((4294967295 * var_1_3) + (4294967295 * var_1_5)) + var_1_4) / 4294967296) < ((((var_1_1 / 4294967296) + var_1_3) + var_1_5) + 1)))))) && (((var_1_3 + ((var_1_6 / 4294967296) * 4294967296)) < ((var_1_6 + (4294967296 * (var_1_3 / 4294967296))) + 1)) || (((((((((4294967295 * var_1_3) + (4294967295 * var_1_5)) + 3681868257) / 4294967296) * 4294967296) + var_1_1) < ((((4294967295 * var_1_3) + (4294967295 * var_1_5)) + ((var_1_1 / 4294967296) * 4294967296)) + 3681868258)) || (var_1_4 < (((var_1_4 / 4294967296) * 4294967296) + 3681868258))) && ((((((((4294967295 * var_1_3) + (4294967295 * var_1_5)) + var_1_4) / 4294967296) * 4294967296) + var_1_1) < (((((4294967295 * var_1_3) + (4294967295 * var_1_5)) + var_1_4) + ((var_1_1 / 4294967296) * 4294967296)) + 1)) || ((((var_1_4 / 4294967296) * 4294967296) + 3681868257) < var_1_4))))) && (((((var_1_6 + (4294967296 * (var_1_3 / 4294967296))) + 1) <= (var_1_3 + ((var_1_6 / 4294967296) * 4294967296))) && ((((((var_1_4 / 4294967296) * 4294967296) + 3681868258) <= var_1_4) && (((((4294967295 * var_1_3) + (4294967295 * var_1_5)) + ((var_1_1 / 4294967296) * 4294967296)) + 3681868257) <= ((((((4294967295 * var_1_3) + (4294967295 * var_1_5)) + 3681868257) / 4294967296) * 4294967296) + var_1_1))) || ((var_1_4 <= (((var_1_4 / 4294967296) * 4294967296) + 3681868257)) && (((((4294967295 * var_1_3) + (4294967295 * var_1_5)) + var_1_4) + ((var_1_1 / 4294967296) * 4294967296)) <= ((((((4294967295 * var_1_3) + (4294967295 * var_1_5)) + var_1_4) / 4294967296) * 4294967296) + var_1_1))))) || (((var_1_3 + ((var_1_6 / 4294967296) * 4294967296)) <= (var_1_6 + (4294967296 * (var_1_3 / 4294967296)))) && (((((((4294967295 * var_1_6) + (4294967295 * var_1_5)) + var_1_4) + ((var_1_1 / 4294967296) * 4294967296)) <= (var_1_1 + (((((4294967295 * var_1_6) + (4294967295 * var_1_5)) + var_1_4) / 4294967296) * 4294967296))) && (var_1_4 <= (((var_1_4 / 4294967296) * 4294967296) + 3681868257))) || (((((var_1_4 / 4294967296) * 4294967296) + 3681868258) <= var_1_4) && (((((4294967295 * var_1_6) + (4294967295 * var_1_5)) + ((var_1_1 / 4294967296) * 4294967296)) + 3681868257) <= ((4294967296 * ((((4294967295 * var_1_6) + (4294967295 * var_1_5)) + 3681868257) / 4294967296)) + var_1_1))))))) || ((((((var_1_8 == var_1_7) && !((\result == 0))) && (((var_1_3 + ((var_1_1 / 4294967296) * 4294967296)) + 1) == (var_1_1 + (((var_1_3 + 1) / 4294967296) * 4294967296)))) && (var_1_9 == var_1_8)) && (((var_1_3 + 1) / 4294967296) <= (var_1_1 / 4294967296))) && !((((var_1_2 / 256) * 256) == var_1_2)))) [2023-11-06 22:40:43,807 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((var_1_6 + (4294967296 * (var_1_3 / 4294967296))) < (var_1_3 + ((var_1_6 / 4294967296) * 4294967296))) || (((var_1_4 < (((var_1_4 / 4294967296) * 4294967296) + 3681868258)) || (((4294967296 * ((((4294967295 * var_1_6) + (4294967295 * var_1_5)) + 3681868257) / 4294967296)) + var_1_1) < ((((4294967295 * var_1_6) + (4294967295 * var_1_5)) + ((var_1_1 / 4294967296) * 4294967296)) + 3681868258))) && (((var_1_1 + (((((4294967295 * var_1_6) + (4294967295 * var_1_5)) + var_1_4) / 4294967296) * 4294967296)) < (((((4294967295 * var_1_6) + (4294967295 * var_1_5)) + var_1_4) + ((var_1_1 / 4294967296) * 4294967296)) + 1)) || ((((var_1_4 / 4294967296) * 4294967296) + 3681868257) < var_1_4)))) && (var_1_8 == var_1_7)) && !((\result == 0))) && (((var_1_2 / 256) * 256) == var_1_2)) && (var_1_9 == var_1_8)) && ((((((((var_1_4 / 4294967296) * 4294967296) + 3681868258) <= var_1_4) && (3681868257 <= ((var_1_1 + var_1_6) + var_1_5))) || ((var_1_4 <= ((var_1_1 + var_1_6) + var_1_5)) && (var_1_4 <= (((var_1_4 / 4294967296) * 4294967296) + 3681868257)))) && ((var_1_3 + ((var_1_6 / 4294967296) * 4294967296)) <= (var_1_6 + (4294967296 * (var_1_3 / 4294967296))))) || ((((var_1_4 < (((var_1_4 / 4294967296) * 4294967296) + 3681868258)) || (((((4294967295 * var_1_3) + (4294967295 * var_1_5)) + 3681868257) / 4294967296) < ((((var_1_1 / 4294967296) + var_1_3) + var_1_5) + 1))) && (((var_1_6 + (4294967296 * (var_1_3 / 4294967296))) + 1) <= (var_1_3 + ((var_1_6 / 4294967296) * 4294967296)))) && (((((var_1_4 / 4294967296) * 4294967296) + 3681868257) < var_1_4) || (((((4294967295 * var_1_3) + (4294967295 * var_1_5)) + var_1_4) / 4294967296) < ((((var_1_1 / 4294967296) + var_1_3) + var_1_5) + 1)))))) && (((var_1_3 + ((var_1_6 / 4294967296) * 4294967296)) < ((var_1_6 + (4294967296 * (var_1_3 / 4294967296))) + 1)) || (((((((((4294967295 * var_1_3) + (4294967295 * var_1_5)) + 3681868257) / 4294967296) * 4294967296) + var_1_1) < ((((4294967295 * var_1_3) + (4294967295 * var_1_5)) + ((var_1_1 / 4294967296) * 4294967296)) + 3681868258)) || (var_1_4 < (((var_1_4 / 4294967296) * 4294967296) + 3681868258))) && ((((((((4294967295 * var_1_3) + (4294967295 * var_1_5)) + var_1_4) / 4294967296) * 4294967296) + var_1_1) < (((((4294967295 * var_1_3) + (4294967295 * var_1_5)) + var_1_4) + ((var_1_1 / 4294967296) * 4294967296)) + 1)) || ((((var_1_4 / 4294967296) * 4294967296) + 3681868257) < var_1_4))))) && (((((var_1_6 + (4294967296 * (var_1_3 / 4294967296))) + 1) <= (var_1_3 + ((var_1_6 / 4294967296) * 4294967296))) && ((((((var_1_4 / 4294967296) * 4294967296) + 3681868258) <= var_1_4) && (((((4294967295 * var_1_3) + (4294967295 * var_1_5)) + ((var_1_1 / 4294967296) * 4294967296)) + 3681868257) <= ((((((4294967295 * var_1_3) + (4294967295 * var_1_5)) + 3681868257) / 4294967296) * 4294967296) + var_1_1))) || ((var_1_4 <= (((var_1_4 / 4294967296) * 4294967296) + 3681868257)) && (((((4294967295 * var_1_3) + (4294967295 * var_1_5)) + var_1_4) + ((var_1_1 / 4294967296) * 4294967296)) <= ((((((4294967295 * var_1_3) + (4294967295 * var_1_5)) + var_1_4) / 4294967296) * 4294967296) + var_1_1))))) || (((var_1_3 + ((var_1_6 / 4294967296) * 4294967296)) <= (var_1_6 + (4294967296 * (var_1_3 / 4294967296)))) && (((((((4294967295 * var_1_6) + (4294967295 * var_1_5)) + var_1_4) + ((var_1_1 / 4294967296) * 4294967296)) <= (var_1_1 + (((((4294967295 * var_1_6) + (4294967295 * var_1_5)) + var_1_4) / 4294967296) * 4294967296))) && (var_1_4 <= (((var_1_4 / 4294967296) * 4294967296) + 3681868257))) || (((((var_1_4 / 4294967296) * 4294967296) + 3681868258) <= var_1_4) && (((((4294967295 * var_1_6) + (4294967295 * var_1_5)) + ((var_1_1 / 4294967296) * 4294967296)) + 3681868257) <= ((4294967296 * ((((4294967295 * var_1_6) + (4294967295 * var_1_5)) + 3681868257) / 4294967296)) + var_1_1))))))) || ((((((var_1_8 == var_1_7) && !((\result == 0))) && (((var_1_3 + ((var_1_1 / 4294967296) * 4294967296)) + 1) == (var_1_1 + (((var_1_3 + 1) / 4294967296) * 4294967296)))) && (var_1_9 == var_1_8)) && (((var_1_3 + 1) / 4294967296) <= (var_1_1 / 4294967296))) && !((((var_1_2 / 256) * 256) == var_1_2)))) [2023-11-06 22:40:43,830 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf382f0-09e1-4abc-917b-32d7e514a7bf/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:40:43,831 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf382f0-09e1-4abc-917b-32d7e514a7bf/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:40:43,831 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:40:43,832 INFO L158 Benchmark]: Toolchain (without parser) took 21662.93ms. Allocated memory was 130.0MB in the beginning and 213.9MB in the end (delta: 83.9MB). Free memory was 63.6MB in the beginning and 83.4MB in the end (delta: -19.8MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2023-11-06 22:40:43,832 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:40:43,833 INFO L158 Benchmark]: CACSL2BoogieTranslator took 428.73ms. Allocated memory was 130.0MB in the beginning and 178.3MB in the end (delta: 48.2MB). Free memory was 63.5MB in the beginning and 142.9MB in the end (delta: -79.5MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2023-11-06 22:40:43,833 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.41ms. Allocated memory is still 178.3MB. Free memory was 142.9MB in the beginning and 140.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:40:43,834 INFO L158 Benchmark]: Boogie Preprocessor took 33.60ms. Allocated memory is still 178.3MB. Free memory was 140.8MB in the beginning and 139.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:40:43,834 INFO L158 Benchmark]: RCFGBuilder took 595.66ms. Allocated memory is still 178.3MB. Free memory was 139.8MB in the beginning and 144.0MB in the end (delta: -4.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 22:40:43,835 INFO L158 Benchmark]: TraceAbstraction took 20415.70ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 142.9MB in the beginning and 87.6MB in the end (delta: 55.3MB). Peak memory consumption was 93.1MB. Max. memory is 16.1GB. [2023-11-06 22:40:43,835 INFO L158 Benchmark]: Witness Printer took 126.99ms. Allocated memory is still 213.9MB. Free memory was 87.6MB in the beginning and 83.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:40:43,840 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 428.73ms. Allocated memory was 130.0MB in the beginning and 178.3MB in the end (delta: 48.2MB). Free memory was 63.5MB in the beginning and 142.9MB in the end (delta: -79.5MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.41ms. Allocated memory is still 178.3MB. Free memory was 142.9MB in the beginning and 140.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.60ms. Allocated memory is still 178.3MB. Free memory was 140.8MB in the beginning and 139.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 595.66ms. Allocated memory is still 178.3MB. Free memory was 139.8MB in the beginning and 144.0MB in the end (delta: -4.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 20415.70ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 142.9MB in the beginning and 87.6MB in the end (delta: 55.3MB). Peak memory consumption was 93.1MB. Max. memory is 16.1GB. * Witness Printer took 126.99ms. Allocated memory is still 213.9MB. Free memory was 87.6MB in the beginning and 83.4MB 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, 39 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.3s, OverallIterations: 3, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 69 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 45 mSDsluCounter, 641 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 431 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 102 IncrementalHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 210 mSDtfsCounter, 102 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 106 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 10.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, InterpolantAutomatonStates: 20, 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, 3 MinimizatonAttempts, 26 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 52 PreInvPairs, 82 NumberOfFragments, 584 HoareAnnotationTreeSize, 52 FomulaSimplifications, 634 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 7.4s InterpolantComputationTime, 231 NumberOfCodeBlocks, 231 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 228 ConstructedInterpolants, 0 QuantifiedInterpolants, 1336 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 792/792 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: 71]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((((((((var_1_6 + (4294967296 * (var_1_3 / 4294967296))) < (var_1_3 + ((var_1_6 / 4294967296) * 4294967296))) || (((var_1_4 < (((var_1_4 / 4294967296) * 4294967296) + 3681868258)) || (((4294967296 * ((((4294967295 * var_1_6) + (4294967295 * var_1_5)) + 3681868257) / 4294967296)) + var_1_1) < ((((4294967295 * var_1_6) + (4294967295 * var_1_5)) + ((var_1_1 / 4294967296) * 4294967296)) + 3681868258))) && (((var_1_1 + (((((4294967295 * var_1_6) + (4294967295 * var_1_5)) + var_1_4) / 4294967296) * 4294967296)) < (((((4294967295 * var_1_6) + (4294967295 * var_1_5)) + var_1_4) + ((var_1_1 / 4294967296) * 4294967296)) + 1)) || ((((var_1_4 / 4294967296) * 4294967296) + 3681868257) < var_1_4)))) && (var_1_8 == var_1_7)) && !((\result == 0))) && (((var_1_2 / 256) * 256) == var_1_2)) && (var_1_9 == var_1_8)) && ((((((((var_1_4 / 4294967296) * 4294967296) + 3681868258) <= var_1_4) && (3681868257 <= ((var_1_1 + var_1_6) + var_1_5))) || ((var_1_4 <= ((var_1_1 + var_1_6) + var_1_5)) && (var_1_4 <= (((var_1_4 / 4294967296) * 4294967296) + 3681868257)))) && ((var_1_3 + ((var_1_6 / 4294967296) * 4294967296)) <= (var_1_6 + (4294967296 * (var_1_3 / 4294967296))))) || ((((var_1_4 < (((var_1_4 / 4294967296) * 4294967296) + 3681868258)) || (((((4294967295 * var_1_3) + (4294967295 * var_1_5)) + 3681868257) / 4294967296) < ((((var_1_1 / 4294967296) + var_1_3) + var_1_5) + 1))) && (((var_1_6 + (4294967296 * (var_1_3 / 4294967296))) + 1) <= (var_1_3 + ((var_1_6 / 4294967296) * 4294967296)))) && (((((var_1_4 / 4294967296) * 4294967296) + 3681868257) < var_1_4) || (((((4294967295 * var_1_3) + (4294967295 * var_1_5)) + var_1_4) / 4294967296) < ((((var_1_1 / 4294967296) + var_1_3) + var_1_5) + 1)))))) && (((var_1_3 + ((var_1_6 / 4294967296) * 4294967296)) < ((var_1_6 + (4294967296 * (var_1_3 / 4294967296))) + 1)) || (((((((((4294967295 * var_1_3) + (4294967295 * var_1_5)) + 3681868257) / 4294967296) * 4294967296) + var_1_1) < ((((4294967295 * var_1_3) + (4294967295 * var_1_5)) + ((var_1_1 / 4294967296) * 4294967296)) + 3681868258)) || (var_1_4 < (((var_1_4 / 4294967296) * 4294967296) + 3681868258))) && ((((((((4294967295 * var_1_3) + (4294967295 * var_1_5)) + var_1_4) / 4294967296) * 4294967296) + var_1_1) < (((((4294967295 * var_1_3) + (4294967295 * var_1_5)) + var_1_4) + ((var_1_1 / 4294967296) * 4294967296)) + 1)) || ((((var_1_4 / 4294967296) * 4294967296) + 3681868257) < var_1_4))))) && (((((var_1_6 + (4294967296 * (var_1_3 / 4294967296))) + 1) <= (var_1_3 + ((var_1_6 / 4294967296) * 4294967296))) && ((((((var_1_4 / 4294967296) * 4294967296) + 3681868258) <= var_1_4) && (((((4294967295 * var_1_3) + (4294967295 * var_1_5)) + ((var_1_1 / 4294967296) * 4294967296)) + 3681868257) <= ((((((4294967295 * var_1_3) + (4294967295 * var_1_5)) + 3681868257) / 4294967296) * 4294967296) + var_1_1))) || ((var_1_4 <= (((var_1_4 / 4294967296) * 4294967296) + 3681868257)) && (((((4294967295 * var_1_3) + (4294967295 * var_1_5)) + var_1_4) + ((var_1_1 / 4294967296) * 4294967296)) <= ((((((4294967295 * var_1_3) + (4294967295 * var_1_5)) + var_1_4) / 4294967296) * 4294967296) + var_1_1))))) || (((var_1_3 + ((var_1_6 / 4294967296) * 4294967296)) <= (var_1_6 + (4294967296 * (var_1_3 / 4294967296)))) && (((((((4294967295 * var_1_6) + (4294967295 * var_1_5)) + var_1_4) + ((var_1_1 / 4294967296) * 4294967296)) <= (var_1_1 + (((((4294967295 * var_1_6) + (4294967295 * var_1_5)) + var_1_4) / 4294967296) * 4294967296))) && (var_1_4 <= (((var_1_4 / 4294967296) * 4294967296) + 3681868257))) || (((((var_1_4 / 4294967296) * 4294967296) + 3681868258) <= var_1_4) && (((((4294967295 * var_1_6) + (4294967295 * var_1_5)) + ((var_1_1 / 4294967296) * 4294967296)) + 3681868257) <= ((4294967296 * ((((4294967295 * var_1_6) + (4294967295 * var_1_5)) + 3681868257) / 4294967296)) + var_1_1))))))) || ((((((var_1_8 == var_1_7) && !((\result == 0))) && (((var_1_3 + ((var_1_1 / 4294967296) * 4294967296)) + 1) == (var_1_1 + (((var_1_3 + 1) / 4294967296) * 4294967296)))) && (var_1_9 == var_1_8)) && (((var_1_3 + 1) / 4294967296) <= (var_1_1 / 4294967296))) && !((((var_1_2 / 256) * 256) == var_1_2)))) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: !((cond == 0)) RESULT: Ultimate proved your program to be correct! [2023-11-06 22:40:43,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_baf382f0-09e1-4abc-917b-32d7e514a7bf/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