./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-79.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_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/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_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-79.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/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_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/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 46aaa33ce2cd486d11a2ef4403e2437c8281351e94dc09a4bc73fdbba77b7fda --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:00:27,663 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:00:27,773 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:00:27,779 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:00:27,780 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:00:27,804 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:00:27,805 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:00:27,805 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:00:27,806 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:00:27,807 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:00:27,808 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:00:27,808 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:00:27,809 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:00:27,809 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:00:27,810 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:00:27,811 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:00:27,811 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:00:27,812 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:00:27,812 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:00:27,813 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:00:27,814 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:00:27,815 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:00:27,827 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:00:27,827 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:00:27,828 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:00:27,829 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:00:27,829 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:00:27,830 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:00:27,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:00:27,831 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:00:27,831 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:00:27,832 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:00:27,832 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:00:27,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:00:27,833 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:00:27,833 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:00:27,834 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:00:27,834 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:00:27,834 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:00:27,835 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_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46aaa33ce2cd486d11a2ef4403e2437c8281351e94dc09a4bc73fdbba77b7fda [2023-11-06 22:00:28,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:00:28,232 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:00:28,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:00:28,240 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:00:28,240 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:00:28,242 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-79.i [2023-11-06 22:00:31,227 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:00:31,483 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:00:31,484 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-79.i [2023-11-06 22:00:31,491 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/data/5a036b9b1/34f5c8d34d474299aeed7248e25a7090/FLAG16f488387 [2023-11-06 22:00:31,507 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/data/5a036b9b1/34f5c8d34d474299aeed7248e25a7090 [2023-11-06 22:00:31,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:00:31,512 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:00:31,533 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:00:31,533 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:00:31,539 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:00:31,539 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:00:31" (1/1) ... [2023-11-06 22:00:31,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44b3b7d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:31, skipping insertion in model container [2023-11-06 22:00:31,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:00:31" (1/1) ... [2023-11-06 22:00:31,565 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:00:31,804 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_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-79.i[915,928] [2023-11-06 22:00:31,862 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:00:31,875 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:00:31,894 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_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-79.i[915,928] [2023-11-06 22:00:31,928 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:00:31,954 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:00:31,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:31 WrapperNode [2023-11-06 22:00:31,955 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:00:31,957 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:00:31,958 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:00:31,958 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:00:31,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:31" (1/1) ... [2023-11-06 22:00:31,980 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:31" (1/1) ... [2023-11-06 22:00:32,006 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 76 [2023-11-06 22:00:32,007 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:00:32,008 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:00:32,008 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:00:32,008 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:00:32,019 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:31" (1/1) ... [2023-11-06 22:00:32,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:31" (1/1) ... [2023-11-06 22:00:32,021 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:31" (1/1) ... [2023-11-06 22:00:32,021 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:31" (1/1) ... [2023-11-06 22:00:32,033 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:31" (1/1) ... [2023-11-06 22:00:32,037 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:31" (1/1) ... [2023-11-06 22:00:32,040 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:31" (1/1) ... [2023-11-06 22:00:32,042 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:31" (1/1) ... [2023-11-06 22:00:32,053 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:00:32,054 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:00:32,055 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:00:32,055 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:00:32,056 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:31" (1/1) ... [2023-11-06 22:00:32,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:00:32,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:00:32,092 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:00:32,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:00:32,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:00:32,134 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:00:32,134 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:00:32,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:00:32,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:00:32,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:00:32,206 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:00:32,209 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:00:32,501 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:00:32,509 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:00:32,510 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:00:32,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:00:32 BoogieIcfgContainer [2023-11-06 22:00:32,513 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:00:32,516 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:00:32,516 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:00:32,520 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:00:32,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:00:31" (1/3) ... [2023-11-06 22:00:32,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab95366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:00:32, skipping insertion in model container [2023-11-06 22:00:32,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:31" (2/3) ... [2023-11-06 22:00:32,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab95366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:00:32, skipping insertion in model container [2023-11-06 22:00:32,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:00:32" (3/3) ... [2023-11-06 22:00:32,524 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-79.i [2023-11-06 22:00:32,546 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:00:32,547 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:00:32,600 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:00:32,608 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;@311da0e3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:00:32,609 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:00:32,614 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 25 states have (on average 1.32) internal successors, (33), 26 states have internal predecessors, (33), 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 22:00:32,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-06 22:00:32,626 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:00:32,627 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, 1] [2023-11-06 22:00:32,628 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:00:32,634 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:00:32,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1896983747, now seen corresponding path program 1 times [2023-11-06 22:00:32,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:00:32,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515690489] [2023-11-06 22:00:32,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:00:32,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:00:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:33,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 22:00:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:33,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:00:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:33,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:00:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:33,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:00:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:33,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 22:00:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:33,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 22:00:33,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:33,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:00:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:33,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 22:00:33,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:33,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 22:00:33,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:33,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-06 22:00:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:33,157 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 22:00:33,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:00:33,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515690489] [2023-11-06 22:00:33,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515690489] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:00:33,160 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:00:33,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:00:33,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438933992] [2023-11-06 22:00:33,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:00:33,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:00:33,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:00:33,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:00:33,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:00:33,217 INFO L87 Difference]: Start difference. First operand has 38 states, 25 states have (on average 1.32) internal successors, (33), 26 states have internal predecessors, (33), 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 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-06 22:00:33,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:00:33,246 INFO L93 Difference]: Finished difference Result 69 states and 110 transitions. [2023-11-06 22:00:33,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:00:33,249 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) Word has length 66 [2023-11-06 22:00:33,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:00:33,257 INFO L225 Difference]: With dead ends: 69 [2023-11-06 22:00:33,257 INFO L226 Difference]: Without dead ends: 34 [2023-11-06 22:00:33,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 32 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 22:00:33,266 INFO L413 NwaCegarLoop]: 46 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, 46 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 22:00:33,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:00:33,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2023-11-06 22:00:33,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2023-11-06 22:00:33,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 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 22:00:33,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 46 transitions. [2023-11-06 22:00:33,331 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 46 transitions. Word has length 66 [2023-11-06 22:00:33,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:00:33,333 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 46 transitions. [2023-11-06 22:00:33,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-06 22:00:33,334 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2023-11-06 22:00:33,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-06 22:00:33,338 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:00:33,339 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, 1] [2023-11-06 22:00:33,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:00:33,339 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:00:33,340 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:00:33,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1400731073, now seen corresponding path program 1 times [2023-11-06 22:00:33,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:00:33,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810112971] [2023-11-06 22:00:33,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:00:33,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:00:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:00:33,513 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:00:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:00:33,668 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:00:33,669 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:00:33,672 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:00:33,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:00:33,678 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-06 22:00:33,683 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:00:33,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:00:33 BoogieIcfgContainer [2023-11-06 22:00:33,754 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:00:33,754 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:00:33,755 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:00:33,755 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:00:33,756 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:00:32" (3/4) ... [2023-11-06 22:00:33,758 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:00:33,763 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:00:33,765 INFO L158 Benchmark]: Toolchain (without parser) took 2252.47ms. Allocated memory was 134.2MB in the beginning and 163.6MB in the end (delta: 29.4MB). Free memory was 67.0MB in the beginning and 85.6MB in the end (delta: -18.6MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2023-11-06 22:00:33,772 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 134.2MB. Free memory is still 107.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:00:33,773 INFO L158 Benchmark]: CACSL2BoogieTranslator took 422.59ms. Allocated memory is still 163.6MB. Free memory was 135.0MB in the beginning and 125.3MB in the end (delta: 9.7MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2023-11-06 22:00:33,773 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.29ms. Allocated memory is still 163.6MB. Free memory was 125.3MB in the beginning and 123.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:00:33,774 INFO L158 Benchmark]: Boogie Preprocessor took 45.67ms. Allocated memory is still 163.6MB. Free memory was 123.2MB in the beginning and 122.4MB in the end (delta: 838.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:00:33,775 INFO L158 Benchmark]: RCFGBuilder took 458.46ms. Allocated memory is still 163.6MB. Free memory was 121.8MB in the beginning and 129.7MB in the end (delta: -7.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 22:00:33,776 INFO L158 Benchmark]: TraceAbstraction took 1237.82ms. Allocated memory is still 163.6MB. Free memory was 129.0MB in the beginning and 85.6MB in the end (delta: 43.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-06 22:00:33,776 INFO L158 Benchmark]: Witness Printer took 9.44ms. Allocated memory is still 163.6MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:00:33,780 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 134.2MB. Free memory is still 107.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 422.59ms. Allocated memory is still 163.6MB. Free memory was 135.0MB in the beginning and 125.3MB in the end (delta: 9.7MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.29ms. Allocated memory is still 163.6MB. Free memory was 125.3MB in the beginning and 123.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.67ms. Allocated memory is still 163.6MB. Free memory was 123.2MB in the beginning and 122.4MB in the end (delta: 838.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 458.46ms. Allocated memory is still 163.6MB. Free memory was 121.8MB in the beginning and 129.7MB in the end (delta: -7.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1237.82ms. Allocated memory is still 163.6MB. Free memory was 129.0MB in the beginning and 85.6MB in the end (delta: 43.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 9.44ms. Allocated memory is still 163.6MB. Free memory is still 85.6MB. There was no memory consumed. 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 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 65. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 3.375; [L23] unsigned char var_1_2 = 0; [L24] unsigned long int var_1_3 = 4257803242; [L25] unsigned long int var_1_4 = 16; [L26] unsigned long int var_1_5 = 256; [L27] double var_1_6 = 7.375; [L28] double var_1_7 = 9.9; VAL [isInitial=0, var_1_1=27/8, var_1_2=0, var_1_3=4257803242, var_1_4=16, var_1_5=256, var_1_6=59/8, var_1_7=99/10] [L69] isInitial = 1 [L70] FCALL initially() [L71] COND TRUE 1 [L72] FCALL updateLastVariables() [L73] CALL updateVariables() [L45] var_1_2 = __VERIFIER_nondet_uchar() [L46] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=27/8, var_1_3=4257803242, var_1_4=16, var_1_5=256, var_1_6=59/8, var_1_7=99/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=27/8, var_1_3=4257803242, var_1_4=16, var_1_5=256, var_1_6=59/8, var_1_7=99/10] [L46] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_1=27/8, var_1_3=4257803242, var_1_4=16, var_1_5=256, var_1_6=59/8, var_1_7=99/10] [L47] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=4257803242, var_1_4=16, var_1_5=256, var_1_6=59/8, var_1_7=99/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=4257803242, var_1_4=16, var_1_5=256, var_1_6=59/8, var_1_7=99/10] [L47] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=4257803242, var_1_4=16, var_1_5=256, var_1_6=59/8, var_1_7=99/10] [L48] var_1_3 = __VERIFIER_nondet_ulong() [L49] CALL assume_abort_if_not(var_1_3 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=2147483647, var_1_4=16, var_1_5=256, var_1_6=59/8, var_1_7=99/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=2147483647, var_1_4=16, var_1_5=256, var_1_6=59/8, var_1_7=99/10] [L49] RET assume_abort_if_not(var_1_3 >= 2147483647) VAL [isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=2147483647, var_1_4=16, var_1_5=256, var_1_6=59/8, var_1_7=99/10] [L50] CALL assume_abort_if_not(var_1_3 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=2147483647, var_1_4=16, var_1_5=256, var_1_6=59/8, var_1_7=99/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=2147483647, var_1_4=16, var_1_5=256, var_1_6=59/8, var_1_7=99/10] [L50] RET assume_abort_if_not(var_1_3 <= 4294967295) VAL [isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=2147483647, var_1_4=16, var_1_5=256, var_1_6=59/8, var_1_7=99/10] [L51] var_1_4 = __VERIFIER_nondet_ulong() [L52] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=2147483647, var_1_4=2147483596, var_1_5=256, var_1_6=59/8, var_1_7=99/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=2147483647, var_1_4=2147483596, var_1_5=256, var_1_6=59/8, var_1_7=99/10] [L52] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=2147483647, var_1_4=2147483596, var_1_5=256, var_1_6=59/8, var_1_7=99/10] [L53] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=2147483647, var_1_4=2147483596, var_1_5=256, var_1_6=59/8, var_1_7=99/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=2147483647, var_1_4=2147483596, var_1_5=256, var_1_6=59/8, var_1_7=99/10] [L53] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=2147483647, var_1_4=2147483596, var_1_5=256, var_1_6=59/8, var_1_7=99/10] [L54] var_1_5 = __VERIFIER_nondet_ulong() [L55] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=2147483647, var_1_4=2147483596, var_1_5=51, var_1_6=59/8, var_1_7=99/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=2147483647, var_1_4=2147483596, var_1_5=51, var_1_6=59/8, var_1_7=99/10] [L55] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=2147483647, var_1_4=2147483596, var_1_5=51, var_1_6=59/8, var_1_7=99/10] [L56] CALL assume_abort_if_not(var_1_5 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=2147483647, var_1_4=2147483596, var_1_5=51, var_1_6=59/8, var_1_7=99/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=2147483647, var_1_4=2147483596, var_1_5=51, var_1_6=59/8, var_1_7=99/10] [L56] RET assume_abort_if_not(var_1_5 <= 4294967295) VAL [isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=2147483647, var_1_4=2147483596, var_1_5=51, var_1_6=59/8, var_1_7=99/10] [L57] var_1_6 = __VERIFIER_nondet_double() [L58] CALL assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=2147483647, var_1_4=2147483596, var_1_5=51, var_1_6=4257803247, var_1_7=99/10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=2147483647, var_1_4=2147483596, var_1_5=51, var_1_6=4257803247, var_1_7=99/10] [L58] RET assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=2147483647, var_1_4=2147483596, var_1_5=51, var_1_6=4257803247, var_1_7=99/10] [L59] var_1_7 = __VERIFIER_nondet_double() [L60] CALL assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=2147483647, var_1_4=2147483596, var_1_5=51, var_1_6=4257803247, var_1_7=4257803248] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=2147483647, var_1_4=2147483596, var_1_5=51, var_1_6=4257803247, var_1_7=4257803248] [L60] RET assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=27/8, var_1_2=1, var_1_3=2147483647, var_1_4=2147483596, var_1_5=51, var_1_6=4257803247, var_1_7=4257803248] [L73] RET updateVariables() [L74] CALL step() [L32] unsigned long int stepLocal_1 = var_1_5; [L33] unsigned long int stepLocal_0 = ((((var_1_3 - var_1_4)) < (var_1_5)) ? ((var_1_3 - var_1_4)) : (var_1_5)); VAL [isInitial=1, stepLocal_0=51, stepLocal_1=51, var_1_1=27/8, var_1_2=1, var_1_3=2147483647, var_1_4=2147483596, var_1_5=51, var_1_6=4257803247, var_1_7=4257803248] [L34] COND FALSE !(stepLocal_0 <= 50u) [L41] var_1_1 = var_1_7 VAL [isInitial=1, stepLocal_0=51, stepLocal_1=51, var_1_1=4257803248, var_1_2=1, var_1_3=2147483647, var_1_4=2147483596, var_1_5=51, var_1_6=4257803247, var_1_7=4257803248] [L74] RET step() [L75] CALL, EXPR property() [L65-L66] return ((((((var_1_3 - var_1_4)) < (var_1_5)) ? ((var_1_3 - var_1_4)) : (var_1_5))) <= 50u) ? (var_1_2 ? ((var_1_3 > var_1_5) ? (var_1_1 == ((double) (var_1_6 + var_1_7))) : 1) : 1) : (var_1_1 == ((double) var_1_7)) ; VAL [\result=0, isInitial=1, var_1_1=4257803248, var_1_2=1, var_1_3=2147483647, var_1_4=2147483596, var_1_5=51, var_1_6=4257803247, var_1_7=4257803248] [L75] RET, EXPR property() [L75] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=4257803248, var_1_2=1, var_1_3=2147483647, var_1_4=2147483596, var_1_5=51, var_1_6=4257803247, var_1_7=4257803248] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=4257803248, var_1_2=1, var_1_3=2147483647, var_1_4=2147483596, var_1_5=51, var_1_6=4257803247, var_1_7=4257803248] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 46 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 46 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 132 NumberOfCodeBlocks, 132 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 65 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 180/180 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-06 22:00:33,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/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_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-79.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/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 46aaa33ce2cd486d11a2ef4403e2437c8281351e94dc09a4bc73fdbba77b7fda --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:00:36,707 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:00:36,863 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:00:36,873 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:00:36,875 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:00:36,926 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:00:36,927 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:00:36,928 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:00:36,929 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:00:36,935 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:00:36,936 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:00:36,937 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:00:36,937 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:00:36,940 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:00:36,940 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:00:36,941 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:00:36,942 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:00:36,942 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:00:36,943 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:00:36,944 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:00:36,945 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:00:36,946 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:00:36,946 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:00:36,947 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:00:36,947 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:00:36,948 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:00:36,949 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:00:36,949 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:00:36,950 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:00:36,950 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:00:36,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:00:36,953 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:00:36,953 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:00:36,954 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:00:36,954 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:00:36,955 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:00:36,955 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:00:36,955 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:00:36,956 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:00:36,957 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:00:36,957 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:00:36,958 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:00:36,958 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_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46aaa33ce2cd486d11a2ef4403e2437c8281351e94dc09a4bc73fdbba77b7fda [2023-11-06 22:00:37,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:00:37,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:00:37,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:00:37,465 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:00:37,465 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:00:37,467 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-79.i [2023-11-06 22:00:40,763 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:00:41,045 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:00:41,046 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-79.i [2023-11-06 22:00:41,055 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/data/202e8e7f1/ab52b937dd3d4bfea1a7fd6c603d630e/FLAGb408d8955 [2023-11-06 22:00:41,070 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/data/202e8e7f1/ab52b937dd3d4bfea1a7fd6c603d630e [2023-11-06 22:00:41,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:00:41,075 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:00:41,077 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:00:41,077 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:00:41,082 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:00:41,083 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:00:41" (1/1) ... [2023-11-06 22:00:41,084 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ecd7a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:41, skipping insertion in model container [2023-11-06 22:00:41,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:00:41" (1/1) ... [2023-11-06 22:00:41,109 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:00:41,257 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_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-79.i[915,928] [2023-11-06 22:00:41,287 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:00:41,311 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:00:41,326 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_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-79.i[915,928] [2023-11-06 22:00:41,341 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:00:41,362 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:00:41,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:41 WrapperNode [2023-11-06 22:00:41,363 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:00:41,365 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:00:41,366 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:00:41,366 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:00:41,375 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:41" (1/1) ... [2023-11-06 22:00:41,404 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:41" (1/1) ... [2023-11-06 22:00:41,447 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 76 [2023-11-06 22:00:41,447 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:00:41,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:00:41,450 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:00:41,450 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:00:41,461 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:41" (1/1) ... [2023-11-06 22:00:41,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:41" (1/1) ... [2023-11-06 22:00:41,474 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:41" (1/1) ... [2023-11-06 22:00:41,474 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:41" (1/1) ... [2023-11-06 22:00:41,496 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:41" (1/1) ... [2023-11-06 22:00:41,500 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:41" (1/1) ... [2023-11-06 22:00:41,509 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:41" (1/1) ... [2023-11-06 22:00:41,516 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:41" (1/1) ... [2023-11-06 22:00:41,520 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:00:41,524 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:00:41,524 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:00:41,525 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:00:41,526 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:41" (1/1) ... [2023-11-06 22:00:41,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:00:41,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:00:41,564 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:00:41,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:00:41,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:00:41,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:00:41,615 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:00:41,615 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:00:41,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:00:41,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:00:41,713 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:00:41,716 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:00:42,437 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:00:42,443 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:00:42,450 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:00:42,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:00:42 BoogieIcfgContainer [2023-11-06 22:00:42,454 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:00:42,457 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:00:42,457 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:00:42,461 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:00:42,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:00:41" (1/3) ... [2023-11-06 22:00:42,462 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f8d0fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:00:42, skipping insertion in model container [2023-11-06 22:00:42,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:00:41" (2/3) ... [2023-11-06 22:00:42,463 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f8d0fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:00:42, skipping insertion in model container [2023-11-06 22:00:42,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:00:42" (3/3) ... [2023-11-06 22:00:42,465 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-79.i [2023-11-06 22:00:42,486 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:00:42,486 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:00:42,541 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:00:42,566 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;@39b24c6f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:00:42,566 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:00:42,584 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 25 states have (on average 1.32) internal successors, (33), 26 states have internal predecessors, (33), 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 22:00:42,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-06 22:00:42,606 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:00:42,607 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, 1] [2023-11-06 22:00:42,607 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:00:42,613 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:00:42,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1896983747, now seen corresponding path program 1 times [2023-11-06 22:00:42,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:00:42,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [544090015] [2023-11-06 22:00:42,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:00:42,639 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:00:42,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:00:42,641 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:00:42,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-06 22:00:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:42,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:00:42,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:00:42,954 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2023-11-06 22:00:42,954 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:00:42,955 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:00:42,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [544090015] [2023-11-06 22:00:42,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [544090015] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:00:42,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:00:42,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:00:42,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226755473] [2023-11-06 22:00:42,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:00:42,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:00:42,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:00:42,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:00:42,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:00:43,000 INFO L87 Difference]: Start difference. First operand has 38 states, 25 states have (on average 1.32) internal successors, (33), 26 states have internal predecessors, (33), 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 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-06 22:00:43,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:00:43,028 INFO L93 Difference]: Finished difference Result 69 states and 110 transitions. [2023-11-06 22:00:43,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:00:43,030 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 66 [2023-11-06 22:00:43,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:00:43,039 INFO L225 Difference]: With dead ends: 69 [2023-11-06 22:00:43,039 INFO L226 Difference]: Without dead ends: 34 [2023-11-06 22:00:43,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 65 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 22:00:43,047 INFO L413 NwaCegarLoop]: 46 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, 46 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 22:00:43,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:00:43,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2023-11-06 22:00:43,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2023-11-06 22:00:43,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 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 22:00:43,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 46 transitions. [2023-11-06 22:00:43,104 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 46 transitions. Word has length 66 [2023-11-06 22:00:43,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:00:43,105 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 46 transitions. [2023-11-06 22:00:43,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-06 22:00:43,106 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2023-11-06 22:00:43,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-06 22:00:43,113 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:00:43,114 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, 1] [2023-11-06 22:00:43,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:00:43,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:00:43,330 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:00:43,331 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:00:43,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1400731073, now seen corresponding path program 1 times [2023-11-06 22:00:43,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:00:43,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [990362805] [2023-11-06 22:00:43,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:00:43,333 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:00:43,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:00:43,334 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:00:43,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-06 22:00:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:00:43,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:00:43,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:00:54,732 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-11-06 22:00:54,733 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:00:54,733 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:00:54,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [990362805] [2023-11-06 22:00:54,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [990362805] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:00:54,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:00:54,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:00:54,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276281847] [2023-11-06 22:00:54,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:00:54,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:00:54,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:00:54,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:00:54,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:00:54,738 INFO L87 Difference]: Start difference. First operand 34 states and 46 transitions. Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 8 states have internal predecessors, (22), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:01:06,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:01:06,058 INFO L93 Difference]: Finished difference Result 75 states and 98 transitions. [2023-11-06 22:01:06,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-06 22:01:06,068 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 8 states have internal predecessors, (22), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) Word has length 66 [2023-11-06 22:01:06,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:01:06,070 INFO L225 Difference]: With dead ends: 75 [2023-11-06 22:01:06,070 INFO L226 Difference]: Without dead ends: 73 [2023-11-06 22:01:06,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2023-11-06 22:01:06,073 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 73 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:01:06,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 212 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2023-11-06 22:01:06,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-06 22:01:06,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 50. [2023-11-06 22:01:06,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 34 states have (on average 1.1176470588235294) internal successors, (38), 35 states have internal predecessors, (38), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 22:01:06,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 62 transitions. [2023-11-06 22:01:06,095 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 62 transitions. Word has length 66 [2023-11-06 22:01:06,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:01:06,096 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 62 transitions. [2023-11-06 22:01:06,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 8 states have internal predecessors, (22), 1 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 1 states have call successors, (10) [2023-11-06 22:01:06,096 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2023-11-06 22:01:06,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-06 22:01:06,098 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:01:06,099 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, 1, 1] [2023-11-06 22:01:06,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:01:06,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:01:06,315 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:01:06,315 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:01:06,315 INFO L85 PathProgramCache]: Analyzing trace with hash 67502115, now seen corresponding path program 1 times [2023-11-06 22:01:06,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:01:06,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1298325776] [2023-11-06 22:01:06,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:01:06,317 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:01:06,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:01:06,318 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:01:06,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-06 22:01:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:01:06,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:01:06,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:01:11,722 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 22:01:11,723 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:01:11,723 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:01:11,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1298325776] [2023-11-06 22:01:11,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1298325776] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:01:11,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:01:11,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-06 22:01:11,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506349226] [2023-11-06 22:01:11,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:01:11,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-06 22:01:11,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:01:11,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 22:01:11,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-06 22:01:11,728 INFO L87 Difference]: Start difference. First operand 50 states and 62 transitions. Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 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 22:01:14,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:01:14,371 INFO L93 Difference]: Finished difference Result 89 states and 115 transitions. [2023-11-06 22:01:14,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 22:01:14,380 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 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 67 [2023-11-06 22:01:14,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:01:14,384 INFO L225 Difference]: With dead ends: 89 [2023-11-06 22:01:14,384 INFO L226 Difference]: Without dead ends: 87 [2023-11-06 22:01:14,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:01:14,387 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 54 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:01:14,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 299 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-06 22:01:14,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-06 22:01:14,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 49. [2023-11-06 22:01:14,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 33 states have (on average 1.121212121212121) internal successors, (37), 34 states have internal predecessors, (37), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 22:01:14,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 61 transitions. [2023-11-06 22:01:14,406 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 61 transitions. Word has length 67 [2023-11-06 22:01:14,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:01:14,407 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 61 transitions. [2023-11-06 22:01:14,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 7 states have internal predecessors, (20), 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 22:01:14,408 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2023-11-06 22:01:14,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-06 22:01:14,410 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:01:14,410 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, 1, 1, 1] [2023-11-06 22:01:14,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:01:14,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:01:14,628 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:01:14,628 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:01:14,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1854234678, now seen corresponding path program 1 times [2023-11-06 22:01:14,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:01:14,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [156466393] [2023-11-06 22:01:14,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:01:14,629 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:01:14,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:01:14,631 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:01:14,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-06 22:01:14,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:01:14,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-06 22:01:14,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:01:49,231 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-06 22:01:49,232 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:01:49,232 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:01:49,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [156466393] [2023-11-06 22:01:49,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [156466393] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:01:49,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:01:49,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-11-06 22:01:49,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706924966] [2023-11-06 22:01:49,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:01:49,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-06 22:01:49,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:01:49,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-06 22:01:49,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:01:49,236 INFO L87 Difference]: Start difference. First operand 49 states and 61 transitions. Second operand has 15 states, 15 states have (on average 1.8) internal successors, (27), 13 states have internal predecessors, (27), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-06 22:02:15,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:15,229 INFO L93 Difference]: Finished difference Result 106 states and 131 transitions. [2023-11-06 22:02:15,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-06 22:02:15,239 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.8) internal successors, (27), 13 states have internal predecessors, (27), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 68 [2023-11-06 22:02:15,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:15,242 INFO L225 Difference]: With dead ends: 106 [2023-11-06 22:02:15,242 INFO L226 Difference]: Without dead ends: 104 [2023-11-06 22:02:15,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 26.0s TimeCoverageRelationStatistics Valid=274, Invalid=986, Unknown=0, NotChecked=0, Total=1260 [2023-11-06 22:02:15,245 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 99 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:15,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 334 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2023-11-06 22:02:15,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-11-06 22:02:15,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 53. [2023-11-06 22:02:15,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 36 states have (on average 1.1111111111111112) internal successors, (40), 37 states have internal predecessors, (40), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 22:02:15,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 64 transitions. [2023-11-06 22:02:15,264 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 64 transitions. Word has length 68 [2023-11-06 22:02:15,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:15,265 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 64 transitions. [2023-11-06 22:02:15,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1.8) internal successors, (27), 13 states have internal predecessors, (27), 2 states have call successors, (10), 2 states have call predecessors, (10), 3 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-06 22:02:15,266 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 64 transitions. [2023-11-06 22:02:15,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-06 22:02:15,267 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:02:15,268 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, 1, 1, 1] [2023-11-06 22:02:15,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:15,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:02:15,481 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:02:15,481 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:02:15,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1856081720, now seen corresponding path program 1 times [2023-11-06 22:02:15,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:02:15,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1477436542] [2023-11-06 22:02:15,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:02:15,483 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:02:15,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:02:15,484 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:02:15,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-06 22:02:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:02:15,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-06 22:02:15,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:02:16,841 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 114 proven. 30 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-06 22:02:16,842 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:02:20,991 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 22:02:20,991 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:02:20,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1477436542] [2023-11-06 22:02:20,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1477436542] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:02:20,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:02:20,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 20 [2023-11-06 22:02:20,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585846262] [2023-11-06 22:02:20,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:02:20,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:02:20,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:02:20,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:02:20,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2023-11-06 22:02:20,994 INFO L87 Difference]: Start difference. First operand 53 states and 64 transitions. Second operand has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 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 22:02:23,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:02:23,675 INFO L93 Difference]: Finished difference Result 79 states and 103 transitions. [2023-11-06 22:02:23,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:02:23,684 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 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 68 [2023-11-06 22:02:23,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:02:23,685 INFO L225 Difference]: With dead ends: 79 [2023-11-06 22:02:23,685 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:02:23,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=108, Invalid=542, Unknown=0, NotChecked=0, Total=650 [2023-11-06 22:02:23,687 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 27 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-11-06 22:02:23,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 348 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-11-06 22:02:23,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:02:23,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:02:23,689 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 22:02:23,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:02:23,689 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2023-11-06 22:02:23,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:02:23,690 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:02:23,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 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 22:02:23,690 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:02:23,690 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:02:23,693 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:02:23,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:02:23,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:02:23,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:02:44,412 WARN L293 SmtUtils]: Spent 11.74s on a formula simplification. DAG size of input: 71 DAG size of output: 68 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-11-06 22:02:47,771 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 43) no Hoare annotation was computed. [2023-11-06 22:02:47,772 INFO L895 garLoopResultBuilder]: At program point L60(line 60) the Hoare annotation is: (and (let ((.cse0 ((_ to_fp 8 24) currentRoundingMode 4611686018427382800.0)) (.cse1 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_6~0 ((_ to_fp 11 53) currentRoundingMode .cse0)) (fp.geq ~var_1_6~0 ((_ to_fp 11 53) currentRoundingMode .cse1))) (and (fp.geq ~var_1_6~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.leq ~var_1_6~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))))) (= currentRoundingMode roundNearestTiesToEven)) [2023-11-06 22:02:47,772 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 44 61) no Hoare annotation was computed. [2023-11-06 22:02:47,772 INFO L899 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2023-11-06 22:02:47,774 INFO L895 garLoopResultBuilder]: At program point L52(line 52) the Hoare annotation is: (let ((.cse5 ((_ to_fp 8 24) currentRoundingMode 4611686018427382800.0)) (.cse4 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse3 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse4))) (.cse2 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse5))) (.cse0 ((_ to_fp 11 53) currentRoundingMode .cse5)) (.cse1 ((_ to_fp 11 53) currentRoundingMode .cse4))) (and (or (and (fp.leq ~var_1_6~0 .cse0) (fp.geq ~var_1_6~0 .cse1)) (and (fp.geq ~var_1_6~0 .cse2) (fp.leq ~var_1_6~0 .cse3))) (= currentRoundingMode roundNearestTiesToEven) (or (and (fp.leq ~var_1_7~0 .cse3) (fp.geq ~var_1_7~0 .cse2)) (and (fp.leq ~var_1_7~0 .cse0) (fp.geq ~var_1_7~0 .cse1)))))) [2023-11-06 22:02:47,774 INFO L895 garLoopResultBuilder]: At program point L52-1(line 52) the Hoare annotation is: (let ((.cse5 ((_ to_fp 8 24) currentRoundingMode 4611686018427382800.0)) (.cse4 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse3 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse4))) (.cse2 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse5))) (.cse0 ((_ to_fp 11 53) currentRoundingMode .cse5)) (.cse1 ((_ to_fp 11 53) currentRoundingMode .cse4))) (and (or (and (fp.leq ~var_1_6~0 .cse0) (fp.geq ~var_1_6~0 .cse1)) (and (fp.geq ~var_1_6~0 .cse2) (fp.leq ~var_1_6~0 .cse3))) (= currentRoundingMode roundNearestTiesToEven) (or (and (fp.leq ~var_1_7~0 .cse3) (fp.geq ~var_1_7~0 .cse2)) (and (fp.leq ~var_1_7~0 .cse0) (fp.geq ~var_1_7~0 .cse1)))))) [2023-11-06 22:02:47,775 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-06 22:02:47,775 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-06 22:02:47,775 INFO L895 garLoopResultBuilder]: At program point L19-3(line 19) the Hoare annotation is: (and (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32))) (let ((.cse7 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse8 ((_ to_fp 8 24) currentRoundingMode 4611686018427382800.0))) (let ((.cse5 ((_ to_fp 11 53) currentRoundingMode .cse8)) (.cse6 ((_ to_fp 11 53) currentRoundingMode .cse7)) (.cse4 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse8))) (.cse3 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse7)))) (let ((.cse0 (or (and (fp.leq ~var_1_6~0 .cse5) (fp.geq ~var_1_6~0 .cse6)) (and (fp.geq ~var_1_6~0 .cse4) (fp.leq ~var_1_6~0 .cse3)))) (.cse1 (= currentRoundingMode roundNearestTiesToEven)) (.cse2 (or (and (fp.leq ~var_1_7~0 .cse3) (fp.geq ~var_1_7~0 .cse4)) (and (fp.leq ~var_1_7~0 .cse5) (fp.geq ~var_1_7~0 .cse6))))) (or (and (or (bvule ~var_1_5~0 (_ bv50 32)) (bvule (bvadd ~var_1_3~0 (bvneg ~var_1_4~0)) (_ bv50 32))) .cse0 .cse1 .cse2) (and (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) (= ~var_1_1~0 ~var_1_7~0) (= |ULTIMATE.start_property_#res#1| (_ bv1 32)) .cse0 .cse1 .cse2)))))) [2023-11-06 22:02:47,775 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 68 79) the Hoare annotation is: false [2023-11-06 22:02:47,776 INFO L899 garLoopResultBuilder]: For program point L36(lines 36 38) no Hoare annotation was computed. [2023-11-06 22:02:47,776 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:02:47,776 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:02:47,776 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-11-06 22:02:47,776 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2023-11-06 22:02:47,777 INFO L895 garLoopResultBuilder]: At program point L49(line 49) the Hoare annotation is: (let ((.cse5 ((_ to_fp 8 24) currentRoundingMode 4611686018427382800.0)) (.cse4 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse3 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse4))) (.cse2 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse5))) (.cse0 ((_ to_fp 11 53) currentRoundingMode .cse5)) (.cse1 ((_ to_fp 11 53) currentRoundingMode .cse4))) (and (or (and (fp.leq ~var_1_6~0 .cse0) (fp.geq ~var_1_6~0 .cse1)) (and (fp.geq ~var_1_6~0 .cse2) (fp.leq ~var_1_6~0 .cse3))) (= currentRoundingMode roundNearestTiesToEven) (or (and (fp.leq ~var_1_7~0 .cse3) (fp.geq ~var_1_7~0 .cse2)) (and (fp.leq ~var_1_7~0 .cse0) (fp.geq ~var_1_7~0 .cse1)))))) [2023-11-06 22:02:47,777 INFO L895 garLoopResultBuilder]: At program point L49-1(line 49) the Hoare annotation is: (let ((.cse5 ((_ to_fp 8 24) currentRoundingMode 4611686018427382800.0)) (.cse4 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse3 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse4))) (.cse2 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse5))) (.cse0 ((_ to_fp 11 53) currentRoundingMode .cse5)) (.cse1 ((_ to_fp 11 53) currentRoundingMode .cse4))) (and (or (and (fp.leq ~var_1_6~0 .cse0) (fp.geq ~var_1_6~0 .cse1)) (and (fp.geq ~var_1_6~0 .cse2) (fp.leq ~var_1_6~0 .cse3))) (= currentRoundingMode roundNearestTiesToEven) (or (and (fp.leq ~var_1_7~0 .cse3) (fp.geq ~var_1_7~0 .cse2)) (and (fp.leq ~var_1_7~0 .cse0) (fp.geq ~var_1_7~0 .cse1)))))) [2023-11-06 22:02:47,777 INFO L895 garLoopResultBuilder]: At program point property_returnLabel#1(lines 64 67) the Hoare annotation is: (let ((.cse9 (bvadd ~var_1_3~0 (bvneg ~var_1_4~0))) (.cse14 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0))) (.cse15 ((_ to_fp 8 24) currentRoundingMode 4611686018427382800.0))) (let ((.cse12 ((_ to_fp 11 53) currentRoundingMode .cse15)) (.cse13 ((_ to_fp 11 53) currentRoundingMode .cse14)) (.cse11 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse15))) (.cse10 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse14))) (.cse7 (bvule ~var_1_5~0 (_ bv50 32))) (.cse8 (bvule .cse9 (_ bv50 32)))) (let ((.cse4 (= ~var_1_2~0 (_ bv0 8))) (.cse5 (= |ULTIMATE.start_property_#res#1| (_ bv1 32))) (.cse0 (or .cse7 .cse8)) (.cse1 (or (and (fp.leq ~var_1_6~0 .cse12) (fp.geq ~var_1_6~0 .cse13)) (and (fp.geq ~var_1_6~0 .cse11) (fp.leq ~var_1_6~0 .cse10)))) (.cse2 (= currentRoundingMode roundNearestTiesToEven)) (.cse3 (or (and (fp.leq ~var_1_7~0 .cse10) (fp.geq ~var_1_7~0 .cse11)) (and (fp.leq ~var_1_7~0 .cse12) (fp.geq ~var_1_7~0 .cse13))))) (or (and .cse0 (not (= |ULTIMATE.start_property_#res#1| (_ bv0 32))) .cse1 (not (bvugt ~var_1_3~0 ~var_1_5~0)) .cse2 .cse3 (not .cse4)) (and (= (fp.add currentRoundingMode ~var_1_6~0 ~var_1_7~0) ~var_1_1~0) .cse5 .cse0 .cse1 .cse2 .cse3) (and (or (and (let ((.cse6 (bvult .cse9 ~var_1_5~0))) (or (and (not .cse6) (not .cse7)) (and (not .cse8) .cse6))) (= ~var_1_1~0 ~var_1_7~0) .cse5) (and .cse4 .cse5 .cse0)) .cse1 .cse2 .cse3))))) [2023-11-06 22:02:47,778 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:02:47,778 INFO L899 garLoopResultBuilder]: For program point L62(lines 62 63) no Hoare annotation was computed. [2023-11-06 22:02:47,778 INFO L899 garLoopResultBuilder]: For program point L29(lines 29 30) no Hoare annotation was computed. [2023-11-06 22:02:47,778 INFO L895 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (let ((.cse1 ((_ to_fp 8 24) currentRoundingMode 4611686018427382800.0)) (.cse0 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq ~var_1_7~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse0))) (fp.geq ~var_1_7~0 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse1)))) (and (fp.leq ~var_1_7~0 ((_ to_fp 11 53) currentRoundingMode .cse1)) (fp.geq ~var_1_7~0 ((_ to_fp 11 53) currentRoundingMode .cse0)))))) [2023-11-06 22:02:47,778 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2023-11-06 22:02:47,779 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2023-11-06 22:02:47,779 INFO L895 garLoopResultBuilder]: At program point L46(line 46) the Hoare annotation is: (let ((.cse5 ((_ to_fp 8 24) currentRoundingMode 4611686018427382800.0)) (.cse4 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse3 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse4))) (.cse2 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse5))) (.cse0 ((_ to_fp 11 53) currentRoundingMode .cse5)) (.cse1 ((_ to_fp 11 53) currentRoundingMode .cse4))) (and (or (and (fp.leq ~var_1_6~0 .cse0) (fp.geq ~var_1_6~0 .cse1)) (and (fp.geq ~var_1_6~0 .cse2) (fp.leq ~var_1_6~0 .cse3))) (= currentRoundingMode roundNearestTiesToEven) (or (and (fp.leq ~var_1_7~0 .cse3) (fp.geq ~var_1_7~0 .cse2)) (and (fp.leq ~var_1_7~0 .cse0) (fp.geq ~var_1_7~0 .cse1)))))) [2023-11-06 22:02:47,779 INFO L895 garLoopResultBuilder]: At program point L46-1(line 46) the Hoare annotation is: (let ((.cse5 ((_ to_fp 8 24) currentRoundingMode 4611686018427382800.0)) (.cse4 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse3 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse4))) (.cse2 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse5))) (.cse0 ((_ to_fp 11 53) currentRoundingMode .cse5)) (.cse1 ((_ to_fp 11 53) currentRoundingMode .cse4))) (and (or (and (fp.leq ~var_1_6~0 .cse0) (fp.geq ~var_1_6~0 .cse1)) (and (fp.geq ~var_1_6~0 .cse2) (fp.leq ~var_1_6~0 .cse3))) (= currentRoundingMode roundNearestTiesToEven) (or (and (fp.leq ~var_1_7~0 .cse3) (fp.geq ~var_1_7~0 .cse2)) (and (fp.leq ~var_1_7~0 .cse0) (fp.geq ~var_1_7~0 .cse1)))))) [2023-11-06 22:02:47,779 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:02:47,780 INFO L895 garLoopResultBuilder]: At program point L71-2(lines 71 77) the Hoare annotation is: (let ((.cse5 ((_ to_fp 8 24) currentRoundingMode 4611686018427382800.0)) (.cse4 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse3 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse4))) (.cse2 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse5))) (.cse0 ((_ to_fp 11 53) currentRoundingMode .cse5)) (.cse1 ((_ to_fp 11 53) currentRoundingMode .cse4))) (and (or (and (fp.leq ~var_1_6~0 .cse0) (fp.geq ~var_1_6~0 .cse1)) (and (fp.geq ~var_1_6~0 .cse2) (fp.leq ~var_1_6~0 .cse3))) (= currentRoundingMode roundNearestTiesToEven) (or (and (fp.leq ~var_1_7~0 .cse3) (fp.geq ~var_1_7~0 .cse2)) (and (fp.leq ~var_1_7~0 .cse0) (fp.geq ~var_1_7~0 .cse1)))))) [2023-11-06 22:02:47,780 INFO L899 garLoopResultBuilder]: For program point L71-3(lines 71 77) no Hoare annotation was computed. [2023-11-06 22:02:47,780 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 42) no Hoare annotation was computed. [2023-11-06 22:02:47,780 INFO L895 garLoopResultBuilder]: At program point L55(line 55) the Hoare annotation is: (let ((.cse5 ((_ to_fp 8 24) currentRoundingMode 4611686018427382800.0)) (.cse4 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse3 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse4))) (.cse2 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse5))) (.cse0 ((_ to_fp 11 53) currentRoundingMode .cse5)) (.cse1 ((_ to_fp 11 53) currentRoundingMode .cse4))) (and (or (and (fp.leq ~var_1_6~0 .cse0) (fp.geq ~var_1_6~0 .cse1)) (and (fp.geq ~var_1_6~0 .cse2) (fp.leq ~var_1_6~0 .cse3))) (= currentRoundingMode roundNearestTiesToEven) (or (and (fp.leq ~var_1_7~0 .cse3) (fp.geq ~var_1_7~0 .cse2)) (and (fp.leq ~var_1_7~0 .cse0) (fp.geq ~var_1_7~0 .cse1)))))) [2023-11-06 22:02:47,781 INFO L895 garLoopResultBuilder]: At program point L55-1(line 55) the Hoare annotation is: (let ((.cse5 ((_ to_fp 8 24) currentRoundingMode 4611686018427382800.0)) (.cse4 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse3 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse4))) (.cse2 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse5))) (.cse0 ((_ to_fp 11 53) currentRoundingMode .cse5)) (.cse1 ((_ to_fp 11 53) currentRoundingMode .cse4))) (and (or (and (fp.leq ~var_1_6~0 .cse0) (fp.geq ~var_1_6~0 .cse1)) (and (fp.geq ~var_1_6~0 .cse2) (fp.leq ~var_1_6~0 .cse3))) (= currentRoundingMode roundNearestTiesToEven) (or (and (fp.leq ~var_1_7~0 .cse3) (fp.geq ~var_1_7~0 .cse2)) (and (fp.leq ~var_1_7~0 .cse0) (fp.geq ~var_1_7~0 .cse1)))))) [2023-11-06 22:02:47,781 INFO L899 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2023-11-06 22:02:47,781 INFO L899 garLoopResultBuilder]: For program point L35(lines 35 39) no Hoare annotation was computed. [2023-11-06 22:02:47,781 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-11-06 22:02:47,782 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-11-06 22:02:47,782 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-11-06 22:02:47,782 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-11-06 22:02:47,785 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-06 22:02:47,787 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:02:47,799 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:02:47,802 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:02:47,802 ERROR L462 ceAbstractionStarter]: Failed to backtranslate (let ((.cse5 ((_ to_fp 8 24) currentRoundingMode 4611686018427382800.0)) (.cse4 ((_ to_fp 8 24) currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse3 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse4))) (.cse2 ((_ to_fp 11 53) currentRoundingMode (fp.neg .cse5))) (.cse0 ((_ to_fp 11 53) currentRoundingMode .cse5)) (.cse1 ((_ to_fp 11 53) currentRoundingMode .cse4))) (and (or (and (fp.leq ~var_1_6~0 .cse0) (fp.geq ~var_1_6~0 .cse1)) (and (fp.geq ~var_1_6~0 .cse2) (fp.leq ~var_1_6~0 .cse3))) (= currentRoundingMode roundNearestTiesToEven) (or (and (fp.leq ~var_1_7~0 .cse3) (fp.geq ~var_1_7~0 .cse2)) (and (fp.leq ~var_1_7~0 .cse0) (fp.geq ~var_1_7~0 .cse1)))))) [2023-11-06 22:02:47,808 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:02:47,809 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:02:47,810 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:02:47,812 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:02:47,813 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:02:47,814 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:02:47,815 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:02:47,815 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:02:47,833 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:02:47,833 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:02:47,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:02:47 BoogieIcfgContainer [2023-11-06 22:02:47,835 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:02:47,836 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:02:47,836 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:02:47,836 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:02:47,837 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:00:42" (3/4) ... [2023-11-06 22:02:47,839 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:02:47,843 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-06 22:02:47,849 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-06 22:02:47,850 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-06 22:02:47,850 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:02:47,851 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:02:47,874 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((var_1_5 <= 50) || (((var_1_3 + -(var_1_4)) % 4294967296) <= 50)) && !((\result == 0))) && !((var_1_3 > var_1_5))) && !((var_1_2 == 0))) || ((\result == 1) && ((var_1_5 <= 50) || (((var_1_3 + -(var_1_4)) % 4294967296) <= 50)))) || (((((!((((var_1_3 + -(var_1_4)) % 4294967296) < var_1_5)) && !((var_1_5 <= 50))) || (!((((var_1_3 + -(var_1_4)) % 4294967296) <= 50)) && (((var_1_3 + -(var_1_4)) % 4294967296) < var_1_5))) && (var_1_1 == var_1_7)) && (\result == 1)) || (((var_1_2 == 0) && (\result == 1)) && ((var_1_5 <= 50) || (((var_1_3 + -(var_1_4)) % 4294967296) <= 50))))) [2023-11-06 22:02:47,874 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!((cond == 0)) && (((var_1_5 <= 50) || (((var_1_3 + -(var_1_4)) % 4294967296) <= 50)) || (((cond == 1) && (var_1_1 == var_1_7)) && (\result == 1)))) [2023-11-06 22:02:47,899 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((var_1_5 <= 50) || (((var_1_3 + -(var_1_4)) % 4294967296) <= 50)) && !((\result == 0))) && !((var_1_3 > var_1_5))) && !((var_1_2 == 0))) || ((\result == 1) && ((var_1_5 <= 50) || (((var_1_3 + -(var_1_4)) % 4294967296) <= 50)))) || (((((!((((var_1_3 + -(var_1_4)) % 4294967296) < var_1_5)) && !((var_1_5 <= 50))) || (!((((var_1_3 + -(var_1_4)) % 4294967296) <= 50)) && (((var_1_3 + -(var_1_4)) % 4294967296) < var_1_5))) && (var_1_1 == var_1_7)) && (\result == 1)) || (((var_1_2 == 0) && (\result == 1)) && ((var_1_5 <= 50) || (((var_1_3 + -(var_1_4)) % 4294967296) <= 50))))) [2023-11-06 22:02:47,899 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!((cond == 0)) && (((var_1_5 <= 50) || (((var_1_3 + -(var_1_4)) % 4294967296) <= 50)) || (((cond == 1) && (var_1_1 == var_1_7)) && (\result == 1)))) [2023-11-06 22:02:47,906 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:02:47,906 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:02:47,906 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:02:47,907 INFO L158 Benchmark]: Toolchain (without parser) took 126832.28ms. Allocated memory was 121.6MB in the beginning and 262.1MB in the end (delta: 140.5MB). Free memory was 97.1MB in the beginning and 189.3MB in the end (delta: -92.2MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. [2023-11-06 22:02:47,908 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory was 67.8MB in the beginning and 67.7MB in the end (delta: 93.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:02:47,908 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.98ms. Allocated memory is still 121.6MB. Free memory was 97.1MB in the beginning and 85.2MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:02:47,908 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.45ms. Allocated memory is still 121.6MB. Free memory was 85.2MB in the beginning and 83.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:02:47,909 INFO L158 Benchmark]: Boogie Preprocessor took 73.73ms. Allocated memory is still 121.6MB. Free memory was 83.4MB in the beginning and 81.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:02:47,909 INFO L158 Benchmark]: RCFGBuilder took 929.96ms. Allocated memory is still 121.6MB. Free memory was 81.9MB in the beginning and 70.0MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:02:47,910 INFO L158 Benchmark]: TraceAbstraction took 125378.41ms. Allocated memory was 121.6MB in the beginning and 262.1MB in the end (delta: 140.5MB). Free memory was 69.1MB in the beginning and 193.4MB in the end (delta: -124.4MB). Peak memory consumption was 130.6MB. Max. memory is 16.1GB. [2023-11-06 22:02:47,910 INFO L158 Benchmark]: Witness Printer took 70.88ms. Allocated memory is still 262.1MB. Free memory was 193.4MB in the beginning and 189.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:02:47,915 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory was 67.8MB in the beginning and 67.7MB in the end (delta: 93.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.98ms. Allocated memory is still 121.6MB. Free memory was 97.1MB in the beginning and 85.2MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.45ms. Allocated memory is still 121.6MB. Free memory was 85.2MB in the beginning and 83.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.73ms. Allocated memory is still 121.6MB. Free memory was 83.4MB in the beginning and 81.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 929.96ms. Allocated memory is still 121.6MB. Free memory was 81.9MB in the beginning and 70.0MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 125378.41ms. Allocated memory was 121.6MB in the beginning and 262.1MB in the end (delta: 140.5MB). Free memory was 69.1MB in the beginning and 193.4MB in the end (delta: -124.4MB). Peak memory consumption was 130.6MB. Max. memory is 16.1GB. * Witness Printer took 70.88ms. Allocated memory is still 262.1MB. Free memory was 193.4MB in the beginning and 189.3MB 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.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated * 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, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 125.3s, OverallIterations: 5, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 42.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 23.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 291 SdHoareTripleChecker+Valid, 17.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 253 mSDsluCounter, 1239 SdHoareTripleChecker+Invalid, 16.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 941 mSDsCounter, 51 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1167 IncrementalHoareTripleChecker+Invalid, 1218 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 51 mSolverCounterUnsat, 298 mSDtfsCounter, 1167 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 449 GetRequests, 358 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 514 ImplicationChecksByTransitivity, 34.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=4, InterpolantAutomatonStates: 78, 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, 5 MinimizatonAttempts, 112 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 46 PreInvPairs, 75 NumberOfFragments, 1175 HoareAnnotationTreeSize, 46 FomulaSimplifications, 12309 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 15 FomulaSimplificationsInter, 6783 FormulaSimplificationTreeSizeReductionInter, 23.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 56.2s InterpolantComputationTime, 335 NumberOfCodeBlocks, 335 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 397 ConstructedInterpolants, 0 QuantifiedInterpolants, 1761 SizeOfPredicates, 60 NumberOfNonLiveVariables, 553 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 1050/1080 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 [2023-11-06 22:02:47,935 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:02:47,935 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated Derived loop invariant: NULL - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 64]: Loop Invariant [2023-11-06 22:02:47,942 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:02:47,942 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:02:47,943 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:02:47,945 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:02:47,945 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:02:47,946 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated Derived loop invariant: (((((((var_1_5 <= 50) || (((var_1_3 + -(var_1_4)) % 4294967296) <= 50)) && !((\result == 0))) && !((var_1_3 > var_1_5))) && !((var_1_2 == 0))) || ((\result == 1) && ((var_1_5 <= 50) || (((var_1_3 + -(var_1_4)) % 4294967296) <= 50)))) || (((((!((((var_1_3 + -(var_1_4)) % 4294967296) < var_1_5)) && !((var_1_5 <= 50))) || (!((((var_1_3 + -(var_1_4)) % 4294967296) <= 50)) && (((var_1_3 + -(var_1_4)) % 4294967296) < var_1_5))) && (var_1_1 == var_1_7)) && (\result == 1)) || (((var_1_2 == 0) && (\result == 1)) && ((var_1_5 <= 50) || (((var_1_3 + -(var_1_4)) % 4294967296) <= 50))))) - InvariantResult [Line: 19]: Loop Invariant [2023-11-06 22:02:47,947 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:02:47,948 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:02:47,953 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-11-06 22:02:47,953 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated Derived loop invariant: (!((cond == 0)) && (((var_1_5 <= 50) || (((var_1_3 + -(var_1_4)) % 4294967296) <= 50)) || (((cond == 1) && (var_1_1 == var_1_7)) && (\result == 1)))) RESULT: Ultimate proved your program to be correct! [2023-11-06 22:02:48,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8dabad1-ea89-4a85-a85e-7d5f4ca8189e/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