./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/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_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/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_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/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 5d36c740de441534d386d096ea681ce3661c00ad30f9b23294cc7086c26f7103 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:36:26,288 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:36:26,399 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:36:26,403 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:36:26,404 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:36:26,434 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:36:26,435 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:36:26,436 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:36:26,436 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:36:26,437 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:36:26,438 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:36:26,438 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:36:26,439 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:36:26,440 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:36:26,440 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:36:26,441 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:36:26,441 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:36:26,442 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:36:26,443 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:36:26,443 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:36:26,444 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:36:26,444 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:36:26,445 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:36:26,446 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:36:26,446 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:36:26,447 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:36:26,447 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:36:26,448 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:36:26,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:36:26,449 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:36:26,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:36:26,450 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:36:26,450 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:36:26,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:36:26,451 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:36:26,452 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:36:26,452 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:36:26,452 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:36:26,453 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:36:26,453 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_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d36c740de441534d386d096ea681ce3661c00ad30f9b23294cc7086c26f7103 [2023-11-06 22:36:26,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:36:26,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:36:26,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:36:26,771 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:36:26,772 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:36:26,773 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i [2023-11-06 22:36:29,953 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:36:30,196 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:36:30,196 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i [2023-11-06 22:36:30,205 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/bin/uautomizer-verify-WvqO1wxjHP/data/3d4b98fa1/5058e959ceec451b8c4f0c295fa6f57a/FLAG29649a1c8 [2023-11-06 22:36:30,219 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/bin/uautomizer-verify-WvqO1wxjHP/data/3d4b98fa1/5058e959ceec451b8c4f0c295fa6f57a [2023-11-06 22:36:30,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:36:30,223 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:36:30,225 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:36:30,225 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:36:30,230 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:36:30,231 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:36:30" (1/1) ... [2023-11-06 22:36:30,232 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44203120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:30, skipping insertion in model container [2023-11-06 22:36:30,232 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:36:30" (1/1) ... [2023-11-06 22:36:30,257 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:36:30,402 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_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i[915,928] [2023-11-06 22:36:30,428 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:36:30,440 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:36:30,453 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_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i[915,928] [2023-11-06 22:36:30,466 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:36:30,483 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:36:30,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:30 WrapperNode [2023-11-06 22:36:30,484 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:36:30,485 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:36:30,485 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:36:30,485 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:36:30,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:30" (1/1) ... [2023-11-06 22:36:30,500 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:30" (1/1) ... [2023-11-06 22:36:30,524 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 79 [2023-11-06 22:36:30,524 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:36:30,525 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:36:30,525 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:36:30,525 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:36:30,535 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:30" (1/1) ... [2023-11-06 22:36:30,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:30" (1/1) ... [2023-11-06 22:36:30,538 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:30" (1/1) ... [2023-11-06 22:36:30,538 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:30" (1/1) ... [2023-11-06 22:36:30,544 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:30" (1/1) ... [2023-11-06 22:36:30,548 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:30" (1/1) ... [2023-11-06 22:36:30,551 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:30" (1/1) ... [2023-11-06 22:36:30,552 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:30" (1/1) ... [2023-11-06 22:36:30,555 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:36:30,556 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:36:30,556 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:36:30,556 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:36:30,557 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:30" (1/1) ... [2023-11-06 22:36:30,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:36:30,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:36:30,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:36:30,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:36:30,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:36:30,642 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:36:30,643 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:36:30,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:36:30,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:36:30,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:36:30,767 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:36:30,769 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:36:30,944 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:36:30,950 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:36:30,950 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:36:30,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:36:30 BoogieIcfgContainer [2023-11-06 22:36:30,952 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:36:30,955 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:36:30,955 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:36:30,959 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:36:30,959 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:36:30" (1/3) ... [2023-11-06 22:36:30,960 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@648df60e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:36:30, skipping insertion in model container [2023-11-06 22:36:30,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:30" (2/3) ... [2023-11-06 22:36:30,960 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@648df60e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:36:30, skipping insertion in model container [2023-11-06 22:36:30,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:36:30" (3/3) ... [2023-11-06 22:36:30,962 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-61.i [2023-11-06 22:36:30,982 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:36:30,982 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:36:31,031 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:36:31,039 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;@1d323e28, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:36:31,039 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:36:31,043 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 24 states have (on average 1.25) internal successors, (30), 25 states have internal predecessors, (30), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-06 22:36:31,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-06 22:36:31,054 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:36:31,055 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:36:31,056 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:36:31,061 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:36:31,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1621252410, now seen corresponding path program 1 times [2023-11-06 22:36:31,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:36:31,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791805313] [2023-11-06 22:36:31,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:36:31,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:36:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:31,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 22:36:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:31,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:36:31,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:31,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:36:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:31,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-06 22:36:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:31,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 22:36:31,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:31,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 22:36:31,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:31,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:36:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:31,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-06 22:36:31,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:31,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 22:36:31,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:31,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-06 22:36:31,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:31,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-06 22:36:31,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:31,420 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-06 22:36:31,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:36:31,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791805313] [2023-11-06 22:36:31,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791805313] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:36:31,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:36:31,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:36:31,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883102397] [2023-11-06 22:36:31,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:36:31,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:36:31,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:36:31,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:36:31,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:36:31,483 INFO L87 Difference]: Start difference. First operand has 38 states, 24 states have (on average 1.25) internal successors, (30), 25 states have internal predecessors, (30), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-06 22:36:31,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:36:31,520 INFO L93 Difference]: Finished difference Result 69 states and 109 transitions. [2023-11-06 22:36:31,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:36:31,524 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 72 [2023-11-06 22:36:31,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:36:31,532 INFO L225 Difference]: With dead ends: 69 [2023-11-06 22:36:31,533 INFO L226 Difference]: Without dead ends: 34 [2023-11-06 22:36:31,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 35 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 22:36:31,542 INFO L413 NwaCegarLoop]: 45 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, 45 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 22:36:31,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:36:31,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2023-11-06 22:36:31,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2023-11-06 22:36:31,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-06 22:36:31,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 45 transitions. [2023-11-06 22:36:31,601 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 45 transitions. Word has length 72 [2023-11-06 22:36:31,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:36:31,602 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 45 transitions. [2023-11-06 22:36:31,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-06 22:36:31,604 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2023-11-06 22:36:31,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-06 22:36:31,609 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:36:31,610 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:36:31,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:36:31,610 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:36:31,611 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:36:31,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1800826168, now seen corresponding path program 1 times [2023-11-06 22:36:31,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:36:31,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962594719] [2023-11-06 22:36:31,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:36:31,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:36:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:36:31,775 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:36:31,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:36:31,959 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:36:31,960 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:36:31,963 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:36:31,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:36:31,968 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-06 22:36:31,972 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:36:32,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:36:32 BoogieIcfgContainer [2023-11-06 22:36:32,060 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:36:32,061 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:36:32,061 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:36:32,062 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:36:32,062 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:36:30" (3/4) ... [2023-11-06 22:36:32,065 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:36:32,066 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:36:32,068 INFO L158 Benchmark]: Toolchain (without parser) took 1844.19ms. Allocated memory is still 169.9MB. Free memory was 138.9MB in the beginning and 88.2MB in the end (delta: 50.7MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. [2023-11-06 22:36:32,069 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 119.5MB. Free memory was 92.9MB in the beginning and 92.8MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:36:32,073 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.62ms. Allocated memory is still 169.9MB. Free memory was 138.9MB in the beginning and 127.6MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:36:32,074 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.49ms. Allocated memory is still 169.9MB. Free memory was 127.6MB in the beginning and 125.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:36:32,075 INFO L158 Benchmark]: Boogie Preprocessor took 29.83ms. Allocated memory is still 169.9MB. Free memory was 125.5MB in the beginning and 124.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:36:32,075 INFO L158 Benchmark]: RCFGBuilder took 396.67ms. Allocated memory is still 169.9MB. Free memory was 124.2MB in the beginning and 132.2MB in the end (delta: -8.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-06 22:36:32,076 INFO L158 Benchmark]: TraceAbstraction took 1105.22ms. Allocated memory is still 169.9MB. Free memory was 131.4MB in the beginning and 88.2MB in the end (delta: 43.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-06 22:36:32,076 INFO L158 Benchmark]: Witness Printer took 6.25ms. Allocated memory is still 169.9MB. Free memory is still 88.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:36:32,078 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 119.5MB. Free memory was 92.9MB in the beginning and 92.8MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.62ms. Allocated memory is still 169.9MB. Free memory was 138.9MB in the beginning and 127.6MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.49ms. Allocated memory is still 169.9MB. Free memory was 127.6MB in the beginning and 125.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.83ms. Allocated memory is still 169.9MB. Free memory was 125.5MB in the beginning and 124.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 396.67ms. Allocated memory is still 169.9MB. Free memory was 124.2MB in the beginning and 132.2MB in the end (delta: -8.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1105.22ms. Allocated memory is still 169.9MB. Free memory was 131.4MB in the beginning and 88.2MB in the end (delta: 43.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 6.25ms. Allocated memory is still 169.9MB. Free memory is still 88.2MB. 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 62. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 0; [L23] double var_1_2 = 199.5; [L24] double var_1_3 = 10.25; [L25] signed char var_1_4 = 5; [L26] signed char var_1_5 = 64; [L27] signed char var_1_6 = 8; [L28] signed char var_1_7 = 5; [L29] unsigned long int var_1_8 = 8; VAL [isInitial=0, var_1_1=0, var_1_2=399/2, var_1_3=41/4, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L66] isInitial = 1 [L67] FCALL initially() [L68] COND TRUE 1 [L69] FCALL updateLastVariables() [L70] CALL updateVariables() [L41] var_1_2 = __VERIFIER_nondet_double() [L42] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=41/4, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=0, var_1_3=41/4, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L42] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=0, var_1_3=41/4, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L43] CALL assume_abort_if_not(var_1_2 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=41/4, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=0, var_1_3=41/4, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L43] RET assume_abort_if_not(var_1_2 != 0.0F) VAL [isInitial=1, var_1_1=0, var_1_3=41/4, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L44] var_1_3 = __VERIFIER_nondet_double() [L45] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=204, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=0, var_1_3=204, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L45] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=0, var_1_3=204, var_1_4=5, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L46] var_1_4 = __VERIFIER_nondet_char() [L47] CALL assume_abort_if_not(var_1_4 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=204, var_1_4=36, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=0, var_1_3=204, var_1_4=36, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L47] RET assume_abort_if_not(var_1_4 >= -63) VAL [isInitial=1, var_1_1=0, var_1_3=204, var_1_4=36, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L48] CALL assume_abort_if_not(var_1_4 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=204, var_1_4=36, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=0, var_1_3=204, var_1_4=36, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L48] RET assume_abort_if_not(var_1_4 <= 63) VAL [isInitial=1, var_1_1=0, var_1_3=204, var_1_4=36, var_1_5=64, var_1_6=8, var_1_7=5, var_1_8=8] [L49] var_1_5 = __VERIFIER_nondet_char() [L50] CALL assume_abort_if_not(var_1_5 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=204, var_1_4=36, var_1_5=11, var_1_6=8, var_1_7=5, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=0, var_1_3=204, var_1_4=36, var_1_5=11, var_1_6=8, var_1_7=5, var_1_8=8] [L50] RET assume_abort_if_not(var_1_5 >= -1) VAL [isInitial=1, var_1_1=0, var_1_3=204, var_1_4=36, var_1_5=11, var_1_6=8, var_1_7=5, var_1_8=8] [L51] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=204, var_1_4=36, var_1_5=11, var_1_6=8, var_1_7=5, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=0, var_1_3=204, var_1_4=36, var_1_5=11, var_1_6=8, var_1_7=5, var_1_8=8] [L51] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, var_1_1=0, var_1_3=204, var_1_4=36, var_1_5=11, var_1_6=8, var_1_7=5, var_1_8=8] [L52] var_1_6 = __VERIFIER_nondet_char() [L53] CALL assume_abort_if_not(var_1_6 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=204, var_1_4=36, var_1_5=11, var_1_6=11, var_1_7=5, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=0, var_1_3=204, var_1_4=36, var_1_5=11, var_1_6=11, var_1_7=5, var_1_8=8] [L53] RET assume_abort_if_not(var_1_6 >= -1) VAL [isInitial=1, var_1_1=0, var_1_3=204, var_1_4=36, var_1_5=11, var_1_6=11, var_1_7=5, var_1_8=8] [L54] CALL assume_abort_if_not(var_1_6 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=204, var_1_4=36, var_1_5=11, var_1_6=11, var_1_7=5, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=0, var_1_3=204, var_1_4=36, var_1_5=11, var_1_6=11, var_1_7=5, var_1_8=8] [L54] RET assume_abort_if_not(var_1_6 <= 126) VAL [isInitial=1, var_1_1=0, var_1_3=204, var_1_4=36, var_1_5=11, var_1_6=11, var_1_7=5, var_1_8=8] [L55] var_1_7 = __VERIFIER_nondet_char() [L56] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=204, var_1_4=36, var_1_5=11, var_1_6=11, var_1_7=6, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=0, var_1_3=204, var_1_4=36, var_1_5=11, var_1_6=11, var_1_7=6, var_1_8=8] [L56] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_1=0, var_1_3=204, var_1_4=36, var_1_5=11, var_1_6=11, var_1_7=6, var_1_8=8] [L57] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_1=0, var_1_3=204, var_1_4=36, var_1_5=11, var_1_6=11, var_1_7=6, var_1_8=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=0, var_1_3=204, var_1_4=36, var_1_5=11, var_1_6=11, var_1_7=6, var_1_8=8] [L57] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, var_1_1=0, var_1_3=204, var_1_4=36, var_1_5=11, var_1_6=11, var_1_7=6, var_1_8=8] [L70] RET updateVariables() [L71] CALL step() [L33] COND TRUE (999.375 / ((((var_1_2) > (-0.19)) ? (var_1_2) : (-0.19)))) >= var_1_3 [L34] var_1_1 = (var_1_4 + -32) VAL [isInitial=1, var_1_1=4, var_1_3=204, var_1_4=36, var_1_5=11, var_1_6=11, var_1_7=6, var_1_8=8] [L38] var_1_8 = var_1_7 VAL [isInitial=1, var_1_1=4, var_1_3=204, var_1_4=36, var_1_5=11, var_1_6=11, var_1_7=6, var_1_8=6] [L71] RET step() [L72] CALL, EXPR property() [L62-L63] return (((999.375 / ((((var_1_2) > (-0.19)) ? (var_1_2) : (-0.19)))) >= var_1_3) ? (var_1_1 == ((signed char) (var_1_4 + -32))) : (var_1_1 == ((signed char) (((((var_1_5) > (var_1_6)) ? (var_1_5) : (var_1_6))) - var_1_7)))) && (var_1_8 == ((unsigned long int) var_1_7)) ; VAL [\result=0, isInitial=1, var_1_1=4, var_1_3=204, var_1_4=36, var_1_5=11, var_1_6=11, var_1_7=6, var_1_8=6] [L72] RET, EXPR property() [L72] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=4, var_1_3=204, var_1_4=36, var_1_5=11, var_1_6=11, var_1_7=6, var_1_8=6] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_1=4, var_1_3=204, var_1_4=36, var_1_5=11, var_1_6=11, var_1_7=6, var_1_8=6] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 38 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 11, 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, 45 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, 45 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 35 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 144 NumberOfCodeBlocks, 144 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 71 ConstructedInterpolants, 0 QuantifiedInterpolants, 71 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 220/220 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 22:36:32,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/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_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/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_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/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 5d36c740de441534d386d096ea681ce3661c00ad30f9b23294cc7086c26f7103 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:36:34,876 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:36:34,998 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:36:35,005 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:36:35,005 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:36:35,046 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:36:35,047 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:36:35,048 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:36:35,049 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:36:35,053 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:36:35,054 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:36:35,055 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:36:35,055 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:36:35,057 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:36:35,057 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:36:35,058 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:36:35,058 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:36:35,058 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:36:35,059 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:36:35,060 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:36:35,060 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:36:35,061 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:36:35,061 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:36:35,062 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:36:35,062 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:36:35,063 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:36:35,063 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:36:35,063 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:36:35,064 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:36:35,064 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:36:35,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:36:35,066 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:36:35,066 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:36:35,066 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:36:35,067 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:36:35,067 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:36:35,067 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:36:35,067 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:36:35,067 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:36:35,068 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:36:35,069 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:36:35,069 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:36:35,069 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_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5d36c740de441534d386d096ea681ce3661c00ad30f9b23294cc7086c26f7103 [2023-11-06 22:36:35,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:36:35,528 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:36:35,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:36:35,535 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:36:35,535 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:36:35,537 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i [2023-11-06 22:36:38,631 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:36:38,912 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:36:38,914 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i [2023-11-06 22:36:38,930 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/bin/uautomizer-verify-WvqO1wxjHP/data/5959a22de/62a3bc19a64e48cb86d205893e1c407b/FLAG189ca9784 [2023-11-06 22:36:38,952 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/bin/uautomizer-verify-WvqO1wxjHP/data/5959a22de/62a3bc19a64e48cb86d205893e1c407b [2023-11-06 22:36:38,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:36:38,959 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:36:38,963 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:36:38,963 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:36:38,968 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:36:38,969 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:36:38" (1/1) ... [2023-11-06 22:36:38,970 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57807efa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:38, skipping insertion in model container [2023-11-06 22:36:38,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:36:38" (1/1) ... [2023-11-06 22:36:39,000 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:36:39,203 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_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i[915,928] [2023-11-06 22:36:39,257 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:36:39,282 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:36:39,294 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_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-61.i[915,928] [2023-11-06 22:36:39,307 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:36:39,325 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:36:39,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:39 WrapperNode [2023-11-06 22:36:39,326 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:36:39,327 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:36:39,328 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:36:39,328 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:36:39,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:39" (1/1) ... [2023-11-06 22:36:39,346 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:39" (1/1) ... [2023-11-06 22:36:39,369 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 75 [2023-11-06 22:36:39,369 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:36:39,370 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:36:39,370 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:36:39,370 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:36:39,391 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:39" (1/1) ... [2023-11-06 22:36:39,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:39" (1/1) ... [2023-11-06 22:36:39,403 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:39" (1/1) ... [2023-11-06 22:36:39,404 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:39" (1/1) ... [2023-11-06 22:36:39,436 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:39" (1/1) ... [2023-11-06 22:36:39,447 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:39" (1/1) ... [2023-11-06 22:36:39,449 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:39" (1/1) ... [2023-11-06 22:36:39,451 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:39" (1/1) ... [2023-11-06 22:36:39,455 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:36:39,456 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:36:39,456 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:36:39,456 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:36:39,457 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:39" (1/1) ... [2023-11-06 22:36:39,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:36:39,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:36:39,494 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:36:39,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:36:39,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:36:39,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:36:39,537 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:36:39,537 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:36:39,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:36:39,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:36:39,638 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:36:39,641 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:36:46,538 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:36:46,544 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:36:46,545 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:36:46,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:36:46 BoogieIcfgContainer [2023-11-06 22:36:46,547 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:36:46,550 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:36:46,550 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:36:46,554 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:36:46,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:36:38" (1/3) ... [2023-11-06 22:36:46,555 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7da721e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:36:46, skipping insertion in model container [2023-11-06 22:36:46,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:36:39" (2/3) ... [2023-11-06 22:36:46,556 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7da721e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:36:46, skipping insertion in model container [2023-11-06 22:36:46,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:36:46" (3/3) ... [2023-11-06 22:36:46,558 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-61.i [2023-11-06 22:36:46,579 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:36:46,579 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:36:46,632 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:36:46,640 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;@69730849, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:36:46,641 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:36:46,646 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 24 states have (on average 1.25) internal successors, (30), 25 states have internal predecessors, (30), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-06 22:36:46,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-06 22:36:46,659 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:36:46,662 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:36:46,665 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:36:46,676 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:36:46,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1621252410, now seen corresponding path program 1 times [2023-11-06 22:36:46,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:36:46,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1097074512] [2023-11-06 22:36:46,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:36:46,695 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 22:36:46,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:36:46,705 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/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 22:36:46,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/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 22:36:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:47,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:36:47,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:36:47,866 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2023-11-06 22:36:47,866 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:36:47,867 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:36:47,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1097074512] [2023-11-06 22:36:47,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1097074512] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:36:47,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:36:47,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:36:47,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301668241] [2023-11-06 22:36:47,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:36:47,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:36:47,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:36:47,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:36:47,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:36:47,922 INFO L87 Difference]: Start difference. First operand has 38 states, 24 states have (on average 1.25) internal successors, (30), 25 states have internal predecessors, (30), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-06 22:36:47,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:36:47,946 INFO L93 Difference]: Finished difference Result 69 states and 109 transitions. [2023-11-06 22:36:47,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:36:47,948 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 72 [2023-11-06 22:36:47,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:36:47,956 INFO L225 Difference]: With dead ends: 69 [2023-11-06 22:36:47,956 INFO L226 Difference]: Without dead ends: 34 [2023-11-06 22:36:47,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 71 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 22:36:47,963 INFO L413 NwaCegarLoop]: 45 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, 45 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 22:36:47,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:36:47,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2023-11-06 22:36:48,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2023-11-06 22:36:48,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-06 22:36:48,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 45 transitions. [2023-11-06 22:36:48,005 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 45 transitions. Word has length 72 [2023-11-06 22:36:48,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:36:48,006 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 45 transitions. [2023-11-06 22:36:48,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-06 22:36:48,006 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 45 transitions. [2023-11-06 22:36:48,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-06 22:36:48,010 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:36:48,010 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:36:48,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/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 22:36:48,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/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 22:36:48,225 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:36:48,225 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:36:48,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1800826168, now seen corresponding path program 1 times [2023-11-06 22:36:48,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:36:48,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1447711677] [2023-11-06 22:36:48,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:36:48,227 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 22:36:48,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:36:48,249 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/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 22:36:48,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/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 22:36:49,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:36:49,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:36:49,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:36:58,253 WARN L293 SmtUtils]: Spent 5.48s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:37:08,328 WARN L293 SmtUtils]: Spent 5.56s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:37:14,010 WARN L293 SmtUtils]: Spent 5.68s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:37:16,361 WARN L839 $PredicateComparison]: unable to prove that (and (let ((.cse1 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 19.0 100.0))))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 7995.0 8.0))) (.cse2 (fp.gt c_~var_1_2~0 .cse1))) (or (and (fp.geq (fp.div c_currentRoundingMode .cse0 .cse1) c_~var_1_3~0) (not .cse2)) (and (fp.geq (fp.div c_currentRoundingMode .cse0 c_~var_1_2~0) c_~var_1_3~0) .cse2)))) (= c_~var_1_1~0 ((_ extract 7 0) (bvadd ((_ sign_extend 24) c_~var_1_4~0) (_ bv4294967264 32))))) is different from false [2023-11-06 22:37:18,714 WARN L861 $PredicateComparison]: unable to prove that (and (let ((.cse1 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 19.0 100.0))))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 7995.0 8.0))) (.cse2 (fp.gt c_~var_1_2~0 .cse1))) (or (and (fp.geq (fp.div c_currentRoundingMode .cse0 .cse1) c_~var_1_3~0) (not .cse2)) (and (fp.geq (fp.div c_currentRoundingMode .cse0 c_~var_1_2~0) c_~var_1_3~0) .cse2)))) (= c_~var_1_1~0 ((_ extract 7 0) (bvadd ((_ sign_extend 24) c_~var_1_4~0) (_ bv4294967264 32))))) is different from true [2023-11-06 22:37:27,834 WARN L293 SmtUtils]: Spent 5.55s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:37:37,437 WARN L293 SmtUtils]: Spent 5.51s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:37:42,969 WARN L293 SmtUtils]: Spent 5.53s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:37:48,705 WARN L293 SmtUtils]: Spent 5.73s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:37:51,068 WARN L839 $PredicateComparison]: unable to prove that (and (let ((.cse1 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 19.0 100.0))))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 7995.0 8.0))) (.cse2 (fp.gt c_~var_1_2~0 .cse1))) (or (and (fp.geq (fp.div c_currentRoundingMode .cse0 .cse1) c_~var_1_3~0) (not .cse2)) (and (fp.geq (fp.div c_currentRoundingMode .cse0 c_~var_1_2~0) c_~var_1_3~0) .cse2)))) (= c_~var_1_1~0 ((_ extract 7 0) (bvadd ((_ sign_extend 24) c_~var_1_4~0) (_ bv4294967264 32)))) (= ((_ sign_extend 24) c_~var_1_7~0) c_~var_1_8~0)) is different from false [2023-11-06 22:37:53,401 WARN L861 $PredicateComparison]: unable to prove that (and (let ((.cse1 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 19.0 100.0))))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 7995.0 8.0))) (.cse2 (fp.gt c_~var_1_2~0 .cse1))) (or (and (fp.geq (fp.div c_currentRoundingMode .cse0 .cse1) c_~var_1_3~0) (not .cse2)) (and (fp.geq (fp.div c_currentRoundingMode .cse0 c_~var_1_2~0) c_~var_1_3~0) .cse2)))) (= c_~var_1_1~0 ((_ extract 7 0) (bvadd ((_ sign_extend 24) c_~var_1_4~0) (_ bv4294967264 32)))) (= ((_ sign_extend 24) c_~var_1_7~0) c_~var_1_8~0)) is different from true [2023-11-06 22:37:59,782 WARN L293 SmtUtils]: Spent 5.54s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:38:15,728 WARN L293 SmtUtils]: Spent 5.63s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:38:21,991 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:38:30,118 WARN L293 SmtUtils]: Spent 5.09s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:38:36,240 WARN L293 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:38:41,262 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:38:46,316 WARN L293 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:39:14,321 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 (= |c_ULTIMATE.start_property_#res#1| (_ bv1 32)))) (or (and .cse0 (exists ((~var_1_3~0 (_ FloatingPoint 11 53)) (~var_1_2~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (and (fp.geq (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 7995.0 8.0)) ~var_1_2~0) ~var_1_3~0) (fp.gt ~var_1_2~0 (fp.neg ((_ to_fp 11 53) currentRoundingMode (/ 19.0 100.0))))))) (and (exists ((~var_1_3~0 (_ FloatingPoint 11 53)) (~var_1_2~0 (_ FloatingPoint 11 53)) (currentRoundingMode RoundingMode)) (let ((.cse1 (fp.neg ((_ to_fp 11 53) currentRoundingMode (/ 19.0 100.0))))) (and (fp.geq (fp.div currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 7995.0 8.0)) .cse1) ~var_1_3~0) (not (fp.gt ~var_1_2~0 .cse1))))) .cse0))) is different from false [2023-11-06 22:39:15,357 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-06 22:39:15,357 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:39:15,357 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:39:15,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1447711677] [2023-11-06 22:39:15,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1447711677] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:39:15,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:39:15,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:39:15,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52038946] [2023-11-06 22:39:15,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:39:15,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:39:15,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:39:15,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:39:15,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=4, Unknown=5, NotChecked=12, Total=30 [2023-11-06 22:39:15,362 INFO L87 Difference]: Start difference. First operand 34 states and 45 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 22:39:15,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:39:15,439 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2023-11-06 22:39:15,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:39:15,440 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 72 [2023-11-06 22:39:15,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:39:15,443 INFO L225 Difference]: With dead ends: 41 [2023-11-06 22:39:15,443 INFO L226 Difference]: Without dead ends: 39 [2023-11-06 22:39:15,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.8s TimeCoverageRelationStatistics Valid=9, Invalid=4, Unknown=5, NotChecked=12, Total=30 [2023-11-06 22:39:15,446 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 1 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 109 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:39:15,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 128 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 109 Unchecked, 0.0s Time] [2023-11-06 22:39:15,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-11-06 22:39:15,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2023-11-06 22:39:15,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 25 states have (on average 1.08) internal successors, (27), 25 states have internal predecessors, (27), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-06 22:39:15,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 49 transitions. [2023-11-06 22:39:15,458 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 49 transitions. Word has length 72 [2023-11-06 22:39:15,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:39:15,460 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 49 transitions. [2023-11-06 22:39:15,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-11-06 22:39:15,461 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2023-11-06 22:39:15,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-06 22:39:15,464 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:39:15,464 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:39:15,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/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 22:39:15,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/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 22:39:15,666 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:39:15,667 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:39:15,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1858084470, now seen corresponding path program 1 times [2023-11-06 22:39:15,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:39:15,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1844677363] [2023-11-06 22:39:15,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:39:15,668 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 22:39:15,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:39:15,669 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/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 22:39:15,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97a9d1e8-0a09-4229-9d05-3d321e8b3fa3/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 22:39:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:39:16,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:39:16,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:39:22,207 WARN L293 SmtUtils]: Spent 5.57s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:39:32,327 WARN L293 SmtUtils]: Spent 5.62s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:39:37,924 WARN L293 SmtUtils]: Spent 5.60s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:39:43,455 WARN L293 SmtUtils]: Spent 5.53s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:39:48,935 WARN L293 SmtUtils]: Spent 5.48s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:39:54,374 WARN L293 SmtUtils]: Spent 5.44s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:39:58,715 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse6 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 19.0 100.0))))) (let ((.cse1 (fp.gt c_~var_1_2~0 .cse6)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 7995.0 8.0)))) (and (or (not (fp.geq (fp.div c_currentRoundingMode .cse0 c_~var_1_2~0) c_~var_1_3~0)) (not .cse1)) (let ((.cse5 ((_ sign_extend 24) c_~var_1_5~0)) (.cse4 ((_ sign_extend 24) c_~var_1_6~0))) (let ((.cse3 (bvneg ((_ sign_extend 24) c_~var_1_7~0))) (.cse2 (bvsgt .cse5 .cse4))) (or (and (not .cse2) (= ((_ extract 7 0) (bvadd .cse3 .cse4)) c_~var_1_1~0)) (and (= ((_ extract 7 0) (bvadd .cse3 .cse5)) c_~var_1_1~0) .cse2)))) (or .cse1 (not (fp.geq (fp.div c_currentRoundingMode .cse0 .cse6) c_~var_1_3~0)))))) is different from false [2023-11-06 22:40:01,028 WARN L861 $PredicateComparison]: unable to prove that (let ((.cse6 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 19.0 100.0))))) (let ((.cse1 (fp.gt c_~var_1_2~0 .cse6)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 7995.0 8.0)))) (and (or (not (fp.geq (fp.div c_currentRoundingMode .cse0 c_~var_1_2~0) c_~var_1_3~0)) (not .cse1)) (let ((.cse5 ((_ sign_extend 24) c_~var_1_5~0)) (.cse4 ((_ sign_extend 24) c_~var_1_6~0))) (let ((.cse3 (bvneg ((_ sign_extend 24) c_~var_1_7~0))) (.cse2 (bvsgt .cse5 .cse4))) (or (and (not .cse2) (= ((_ extract 7 0) (bvadd .cse3 .cse4)) c_~var_1_1~0)) (and (= ((_ extract 7 0) (bvadd .cse3 .cse5)) c_~var_1_1~0) .cse2)))) (or .cse1 (not (fp.geq (fp.div c_currentRoundingMode .cse0 .cse6) c_~var_1_3~0)))))) is different from true [2023-11-06 22:40:06,482 WARN L293 SmtUtils]: Spent 5.44s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:40:16,385 WARN L293 SmtUtils]: Spent 5.45s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:40:21,854 WARN L293 SmtUtils]: Spent 5.47s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:40:27,312 WARN L293 SmtUtils]: Spent 5.46s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:40:32,730 WARN L293 SmtUtils]: Spent 5.42s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:40:38,272 WARN L293 SmtUtils]: Spent 5.54s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:40:43,699 WARN L293 SmtUtils]: Spent 5.43s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-06 22:40:47,883 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse7 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 19.0 100.0))))) (let ((.cse1 (fp.gt c_~var_1_2~0 .cse7)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 7995.0 8.0))) (.cse6 ((_ sign_extend 24) c_~var_1_7~0))) (and (or (not (fp.geq (fp.div c_currentRoundingMode .cse0 c_~var_1_2~0) c_~var_1_3~0)) (not .cse1)) (let ((.cse5 ((_ sign_extend 24) c_~var_1_5~0)) (.cse4 ((_ sign_extend 24) c_~var_1_6~0))) (let ((.cse3 (bvneg .cse6)) (.cse2 (bvsgt .cse5 .cse4))) (or (and (not .cse2) (= ((_ extract 7 0) (bvadd .cse3 .cse4)) c_~var_1_1~0)) (and (= ((_ extract 7 0) (bvadd .cse3 .cse5)) c_~var_1_1~0) .cse2)))) (or .cse1 (not (fp.geq (fp.div c_currentRoundingMode .cse0 .cse7) c_~var_1_3~0))) (= .cse6 c_~var_1_8~0)))) is different from false [2023-11-06 22:40:50,235 WARN L861 $PredicateComparison]: unable to prove that (let ((.cse7 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 19.0 100.0))))) (let ((.cse1 (fp.gt c_~var_1_2~0 .cse7)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 7995.0 8.0))) (.cse6 ((_ sign_extend 24) c_~var_1_7~0))) (and (or (not (fp.geq (fp.div c_currentRoundingMode .cse0 c_~var_1_2~0) c_~var_1_3~0)) (not .cse1)) (let ((.cse5 ((_ sign_extend 24) c_~var_1_5~0)) (.cse4 ((_ sign_extend 24) c_~var_1_6~0))) (let ((.cse3 (bvneg .cse6)) (.cse2 (bvsgt .cse5 .cse4))) (or (and (not .cse2) (= ((_ extract 7 0) (bvadd .cse3 .cse4)) c_~var_1_1~0)) (and (= ((_ extract 7 0) (bvadd .cse3 .cse5)) c_~var_1_1~0) .cse2)))) (or .cse1 (not (fp.geq (fp.div c_currentRoundingMode .cse0 .cse7) c_~var_1_3~0))) (= .cse6 c_~var_1_8~0)))) is different from true [2023-11-06 22:40:56,891 WARN L293 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)