./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_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_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/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_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/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_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/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 938884dbae7d93b7570189131a05440b83d0374b38e3ad772e9ac69423fdc0ee --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:42:03,304 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:42:03,426 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:42:03,440 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:42:03,441 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:42:03,481 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:42:03,482 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:42:03,483 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:42:03,484 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:42:03,489 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:42:03,490 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:42:03,491 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:42:03,491 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:42:03,493 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:42:03,494 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:42:03,494 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:42:03,495 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:42:03,495 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:42:03,495 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:42:03,496 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:42:03,496 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:42:03,497 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:42:03,497 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:42:03,498 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:42:03,498 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:42:03,499 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:42:03,500 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:42:03,500 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:42:03,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:42:03,501 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:42:03,502 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:42:03,503 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:42:03,503 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:42:03,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:42:03,503 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:42:03,504 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:42:03,504 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:42:03,504 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:42:03,504 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:42:03,505 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_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 938884dbae7d93b7570189131a05440b83d0374b38e3ad772e9ac69423fdc0ee [2023-11-06 22:42:03,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:42:03,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:42:03,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:42:03,866 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:42:03,866 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:42:03,868 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i [2023-11-06 22:42:06,992 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:42:07,278 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:42:07,279 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i [2023-11-06 22:42:07,290 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/data/dfce7393e/4d6eb6c4000347e29d392e4fe8e07edc/FLAGb592ae3ba [2023-11-06 22:42:07,312 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/data/dfce7393e/4d6eb6c4000347e29d392e4fe8e07edc [2023-11-06 22:42:07,318 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:42:07,320 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:42:07,324 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:42:07,324 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:42:07,329 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:42:07,330 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:42:07" (1/1) ... [2023-11-06 22:42:07,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c3ab4b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:07, skipping insertion in model container [2023-11-06 22:42:07,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:42:07" (1/1) ... [2023-11-06 22:42:07,377 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:42:07,553 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_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i[916,929] [2023-11-06 22:42:07,610 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:42:07,623 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:42:07,635 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_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i[916,929] [2023-11-06 22:42:07,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:42:07,687 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:42:07,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:07 WrapperNode [2023-11-06 22:42:07,688 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:42:07,689 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:42:07,690 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:42:07,690 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:42:07,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:07" (1/1) ... [2023-11-06 22:42:07,710 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:07" (1/1) ... [2023-11-06 22:42:07,757 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 136 [2023-11-06 22:42:07,758 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:42:07,759 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:42:07,759 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:42:07,759 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:42:07,769 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:07" (1/1) ... [2023-11-06 22:42:07,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:07" (1/1) ... [2023-11-06 22:42:07,773 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:07" (1/1) ... [2023-11-06 22:42:07,775 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:07" (1/1) ... [2023-11-06 22:42:07,784 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:07" (1/1) ... [2023-11-06 22:42:07,787 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:07" (1/1) ... [2023-11-06 22:42:07,790 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:07" (1/1) ... [2023-11-06 22:42:07,792 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:07" (1/1) ... [2023-11-06 22:42:07,796 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:42:07,797 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:42:07,797 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:42:07,797 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:42:07,798 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:07" (1/1) ... [2023-11-06 22:42:07,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:42:07,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:07,850 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:42:07,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:42:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:42:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:42:07,889 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:42:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:42:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:42:07,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:42:08,018 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:42:08,020 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:42:08,396 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:42:08,403 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:42:08,403 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:42:08,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:42:08 BoogieIcfgContainer [2023-11-06 22:42:08,406 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:42:08,409 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:42:08,409 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:42:08,413 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:42:08,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:42:07" (1/3) ... [2023-11-06 22:42:08,414 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@711da3cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:42:08, skipping insertion in model container [2023-11-06 22:42:08,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:07" (2/3) ... [2023-11-06 22:42:08,415 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@711da3cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:42:08, skipping insertion in model container [2023-11-06 22:42:08,415 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:42:08" (3/3) ... [2023-11-06 22:42:08,416 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-61.i [2023-11-06 22:42:08,437 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:42:08,437 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:42:08,493 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:42:08,501 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;@47ab87bb, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:42:08,501 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:42:08,506 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 37 states have internal predecessors, (46), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-06 22:42:08,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-06 22:42:08,523 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:08,524 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:42:08,525 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:08,531 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:08,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1324592139, now seen corresponding path program 1 times [2023-11-06 22:42:08,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:42:08,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123287876] [2023-11-06 22:42:08,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:08,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:42:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:08,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 22:42:08,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:08,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:42:08,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:08,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:42:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:08,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 22:42:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:09,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 22:42:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:09,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-06 22:42:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:09,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-06 22:42:09,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:09,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-06 22:42:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:09,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-06 22:42:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:09,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-06 22:42:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:09,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-06 22:42:09,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:09,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-06 22:42:09,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:09,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-06 22:42:09,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:09,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-06 22:42:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:09,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-06 22:42:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:09,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-06 22:42:09,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:09,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-06 22:42:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:09,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-06 22:42:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:09,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-06 22:42:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:09,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-06 22:42:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:09,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-06 22:42:09,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:09,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-06 22:42:09,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:09,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-11-06 22:42:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:09,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-11-06 22:42:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:09,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-11-06 22:42:09,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:09,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-11-06 22:42:09,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:09,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:42:09,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:42:09,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123287876] [2023-11-06 22:42:09,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123287876] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:42:09,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:42:09,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:42:09,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29135230] [2023-11-06 22:42:09,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:42:09,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:42:09,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:42:09,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:42:09,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:42:09,215 INFO L87 Difference]: Start difference. First operand has 65 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 37 states have internal predecessors, (46), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:42:09,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:42:09,278 INFO L93 Difference]: Finished difference Result 123 states and 216 transitions. [2023-11-06 22:42:09,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:42:09,281 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 158 [2023-11-06 22:42:09,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:42:09,295 INFO L225 Difference]: With dead ends: 123 [2023-11-06 22:42:09,295 INFO L226 Difference]: Without dead ends: 61 [2023-11-06 22:42:09,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 54 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 22:42:09,304 INFO L413 NwaCegarLoop]: 89 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, 89 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 22:42:09,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:42:09,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-11-06 22:42:09,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-11-06 22:42:09,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 33 states have (on average 1.121212121212121) internal successors, (37), 33 states have internal predecessors, (37), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-06 22:42:09,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 89 transitions. [2023-11-06 22:42:09,351 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 89 transitions. Word has length 158 [2023-11-06 22:42:09,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:42:09,354 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 89 transitions. [2023-11-06 22:42:09,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:42:09,355 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 89 transitions. [2023-11-06 22:42:09,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-06 22:42:09,359 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:09,359 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:42:09,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:42:09,360 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:09,360 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:09,361 INFO L85 PathProgramCache]: Analyzing trace with hash -808174706, now seen corresponding path program 1 times [2023-11-06 22:42:09,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:42:09,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035310000] [2023-11-06 22:42:09,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:09,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:42:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:42:09,574 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:42:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:42:09,834 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:42:09,835 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:42:09,837 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:42:09,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:42:09,842 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-06 22:42:09,847 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:42:09,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:42:09 BoogieIcfgContainer [2023-11-06 22:42:09,965 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:42:09,966 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:42:09,966 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:42:09,966 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:42:09,967 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:42:08" (3/4) ... [2023-11-06 22:42:09,969 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:42:09,970 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:42:09,971 INFO L158 Benchmark]: Toolchain (without parser) took 2650.64ms. Allocated memory is still 165.7MB. Free memory was 120.1MB in the beginning and 60.2MB in the end (delta: 59.9MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. [2023-11-06 22:42:09,972 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:42:09,972 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.05ms. Allocated memory is still 165.7MB. Free memory was 119.7MB in the beginning and 106.6MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:42:09,973 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.69ms. Allocated memory is still 165.7MB. Free memory was 106.6MB in the beginning and 103.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:42:09,974 INFO L158 Benchmark]: Boogie Preprocessor took 37.67ms. Allocated memory is still 165.7MB. Free memory was 103.5MB in the beginning and 101.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:42:09,974 INFO L158 Benchmark]: RCFGBuilder took 609.01ms. Allocated memory is still 165.7MB. Free memory was 101.9MB in the beginning and 83.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 22:42:09,975 INFO L158 Benchmark]: TraceAbstraction took 1556.53ms. Allocated memory is still 165.7MB. Free memory was 82.5MB in the beginning and 60.2MB in the end (delta: 22.3MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2023-11-06 22:42:09,976 INFO L158 Benchmark]: Witness Printer took 4.43ms. Allocated memory is still 165.7MB. Free memory is still 60.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:42:09,979 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.05ms. Allocated memory is still 165.7MB. Free memory was 119.7MB in the beginning and 106.6MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.69ms. Allocated memory is still 165.7MB. Free memory was 106.6MB in the beginning and 103.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.67ms. Allocated memory is still 165.7MB. Free memory was 103.5MB in the beginning and 101.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 609.01ms. Allocated memory is still 165.7MB. Free memory was 101.9MB in the beginning and 83.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1556.53ms. Allocated memory is still 165.7MB. Free memory was 82.5MB in the beginning and 60.2MB in the end (delta: 22.3MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * Witness Printer took 4.43ms. Allocated memory is still 165.7MB. Free memory is still 60.2MB. 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 to_int at line 114. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_4 = 0; [L24] unsigned char var_1_5 = 0; [L25] unsigned char var_1_6 = 0; [L26] unsigned char var_1_7 = 8; [L27] unsigned char var_1_9 = 128; [L28] unsigned char var_1_10 = 64; [L29] unsigned char var_1_11 = 100; [L30] unsigned char var_1_12 = 5; [L31] unsigned char var_1_13 = 100; [L32] unsigned char var_1_14 = 32; [L33] unsigned char var_1_15 = 64; [L34] unsigned char var_1_16 = 50; [L35] unsigned char var_1_17 = 8; [L36] unsigned char var_1_18 = 0; [L37] signed char var_1_19 = 0; [L38] signed long int var_1_20 = 255; [L39] signed long int var_1_21 = 255; [L40] unsigned short int var_1_22 = 64; [L41] signed long int var_1_23 = 32; VAL [isInitial=0, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L118] isInitial = 1 [L119] FCALL initially() [L120] COND TRUE 1 [L121] FCALL updateLastVariables() [L122] CALL updateVariables() [L71] var_1_4 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L72] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L73] CALL assume_abort_if_not(var_1_4 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L73] RET assume_abort_if_not(var_1_4 <= 0) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L74] var_1_5 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L75] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L76] CALL assume_abort_if_not(var_1_5 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L76] RET assume_abort_if_not(var_1_5 <= 0) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=0, var_1_7=8, var_1_9=128] [L77] var_1_6 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_6 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=128] [L78] RET assume_abort_if_not(var_1_6 >= 1) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=128] [L79] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=128] [L79] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=128] [L80] var_1_9 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_9 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L81] RET assume_abort_if_not(var_1_9 >= 127) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L82] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L82] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, var_1_10=64, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L83] var_1_10 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L84] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L85] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L85] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=5, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L86] var_1_12 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L87] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L88] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L88] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=100, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L89] var_1_13 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L90] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L91] CALL assume_abort_if_not(var_1_13 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L91] RET assume_abort_if_not(var_1_13 <= 127) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L92] var_1_14 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_14 >= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L93] RET assume_abort_if_not(var_1_14 >= 32) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L94] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L94] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=64, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L95] var_1_15 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_15 >= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L96] RET assume_abort_if_not(var_1_15 >= 32) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L97] CALL assume_abort_if_not(var_1_15 <= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L97] RET assume_abort_if_not(var_1_15 <= 64) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=50, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L98] var_1_16 = __VERIFIER_nondet_uchar() [L99] CALL assume_abort_if_not(var_1_16 >= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=63, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=63, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L99] RET assume_abort_if_not(var_1_16 >= 32) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=63, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L100] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=63, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=63, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L100] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=63, var_1_17=8, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L101] var_1_17 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=63, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=63, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L102] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=63, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L103] CALL assume_abort_if_not(var_1_17 <= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=63, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=63, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L103] RET assume_abort_if_not(var_1_17 <= 64) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=63, var_1_17=64, var_1_18=0, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L104] var_1_18 = __VERIFIER_nondet_uchar() [L105] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=63, var_1_17=64, var_1_18=4, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=63, var_1_17=64, var_1_18=4, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L105] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=63, var_1_17=64, var_1_18=4, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L106] CALL assume_abort_if_not(var_1_18 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=63, var_1_17=64, var_1_18=4, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=63, var_1_17=64, var_1_18=4, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L106] RET assume_abort_if_not(var_1_18 <= 63) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=63, var_1_17=64, var_1_18=4, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=255, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L107] var_1_21 = __VERIFIER_nondet_long() [L108] CALL assume_abort_if_not(var_1_21 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=63, var_1_17=64, var_1_18=4, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=63, var_1_17=64, var_1_18=4, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L108] RET assume_abort_if_not(var_1_21 >= -2147483648) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=63, var_1_17=64, var_1_18=4, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L109] CALL assume_abort_if_not(var_1_21 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=63, var_1_17=64, var_1_18=4, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=63, var_1_17=64, var_1_18=4, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L109] RET assume_abort_if_not(var_1_21 <= 2147483647) VAL [isInitial=1, var_1_10=127, var_1_11=100, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=63, var_1_17=64, var_1_18=4, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L122] RET updateVariables() [L123] CALL step() [L45] COND TRUE \read(var_1_6) [L46] var_1_11 = (var_1_10 + ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13)))) VAL [isInitial=1, var_1_10=127, var_1_11=254, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=63, var_1_17=64, var_1_18=4, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L50] unsigned char stepLocal_0 = var_1_6 || var_1_4; VAL [isInitial=1, stepLocal_0=1, var_1_10=127, var_1_11=254, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=63, var_1_17=64, var_1_18=4, var_1_19=0, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L51] COND TRUE var_1_5 || stepLocal_0 [L52] var_1_19 = var_1_15 VAL [isInitial=1, stepLocal_0=1, var_1_10=127, var_1_11=254, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=63, var_1_17=64, var_1_18=4, var_1_19=62, var_1_1=0, var_1_20=255, var_1_21=0, var_1_22=64, var_1_23=32, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L54] var_1_20 = var_1_21 [L55] var_1_22 = var_1_18 [L56] var_1_23 = 0.010000000000000009 VAL [isInitial=1, stepLocal_0=1, var_1_10=127, var_1_11=254, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=63, var_1_17=64, var_1_18=4, var_1_19=62, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=4, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L57] COND FALSE !(var_1_20 < var_1_20) VAL [isInitial=1, stepLocal_0=1, var_1_10=127, var_1_11=254, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=63, var_1_17=64, var_1_18=4, var_1_19=62, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=4, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L60] COND TRUE var_1_20 >= var_1_20 [L61] var_1_1 = var_1_5 VAL [isInitial=1, stepLocal_0=1, var_1_10=127, var_1_11=254, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=63, var_1_17=64, var_1_18=4, var_1_19=62, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=4, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=8, var_1_9=254] [L66] COND TRUE var_1_23 < ((((var_1_20) > (var_1_20)) ? (var_1_20) : (var_1_20))) [L67] var_1_7 = (var_1_9 - var_1_10) VAL [isInitial=1, stepLocal_0=1, var_1_10=127, var_1_11=254, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=63, var_1_17=64, var_1_18=4, var_1_19=62, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=4, var_1_23=-1, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=127, var_1_9=254] [L123] RET step() [L124] CALL, EXPR property() [L114-L115] return (((((((var_1_20 < var_1_20) ? (var_1_1 == ((unsigned char) (var_1_4 || var_1_5))) : ((var_1_20 >= var_1_20) ? (var_1_1 == ((unsigned char) var_1_5)) : (var_1_1 == ((unsigned char) var_1_6)))) && ((var_1_23 < ((((var_1_20) > (var_1_20)) ? (var_1_20) : (var_1_20)))) ? (var_1_7 == ((unsigned char) (var_1_9 - var_1_10))) : 1)) && (var_1_6 ? (var_1_11 == ((unsigned char) (var_1_10 + ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13)))))) : (var_1_11 == ((unsigned char) (((64 + var_1_14) + (var_1_15 + var_1_16)) - (var_1_17 + var_1_18)))))) && ((var_1_5 || (var_1_6 || var_1_4)) ? (var_1_19 == ((signed char) var_1_15)) : 1)) && (var_1_20 == ((signed long int) var_1_21))) && (var_1_22 == ((unsigned short int) var_1_18))) && (var_1_23 == ((signed long int) 0.010000000000000009)) ; VAL [\result=0, isInitial=1, var_1_10=127, var_1_11=254, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=63, var_1_17=64, var_1_18=4, var_1_19=62, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=4, var_1_23=-1, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=127, var_1_9=254] [L124] RET, EXPR property() [L124] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=127, var_1_11=254, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=63, var_1_17=64, var_1_18=4, var_1_19=62, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=4, var_1_23=-1, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=127, var_1_9=254] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=127, var_1_11=254, var_1_12=127, var_1_13=126, var_1_14=32, var_1_15=62, var_1_16=63, var_1_17=64, var_1_18=4, var_1_19=62, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=4, var_1_23=-1, var_1_4=0, var_1_5=0, var_1_6=1, var_1_7=127, var_1_9=254] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 26, 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, 89 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, 89 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 317 NumberOfCodeBlocks, 317 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 157 ConstructedInterpolants, 0 QuantifiedInterpolants, 157 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 1300/1300 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 22:42:10,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/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_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/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_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/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_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/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 938884dbae7d93b7570189131a05440b83d0374b38e3ad772e9ac69423fdc0ee --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:42:12,727 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:42:12,866 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:42:12,875 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:42:12,876 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:42:12,919 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:42:12,920 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:42:12,920 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:42:12,921 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:42:12,927 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:42:12,928 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:42:12,928 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:42:12,929 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:42:12,931 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:42:12,932 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:42:12,932 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:42:12,933 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:42:12,933 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:42:12,934 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:42:12,935 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:42:12,935 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:42:12,936 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:42:12,937 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:42:12,937 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:42:12,938 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:42:12,938 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:42:12,939 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:42:12,939 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:42:12,940 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:42:12,940 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:42:12,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:42:12,942 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:42:12,943 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:42:12,943 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:42:12,943 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:42:12,944 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:42:12,944 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:42:12,944 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:42:12,945 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:42:12,946 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:42:12,946 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:42:12,947 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:42:12,947 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_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 938884dbae7d93b7570189131a05440b83d0374b38e3ad772e9ac69423fdc0ee [2023-11-06 22:42:13,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:42:13,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:42:13,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:42:13,392 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:42:13,392 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:42:13,394 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i [2023-11-06 22:42:16,543 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:42:16,804 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:42:16,805 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i [2023-11-06 22:42:16,814 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/data/a2d899dbf/285e44cf1f9645dfb68c73213cfc3889/FLAGd44313477 [2023-11-06 22:42:16,830 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/data/a2d899dbf/285e44cf1f9645dfb68c73213cfc3889 [2023-11-06 22:42:16,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:42:16,834 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:42:16,835 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:42:16,836 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:42:16,841 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:42:16,842 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:42:16" (1/1) ... [2023-11-06 22:42:16,843 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fde71c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:16, skipping insertion in model container [2023-11-06 22:42:16,843 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:42:16" (1/1) ... [2023-11-06 22:42:16,871 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:42:17,036 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_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i[916,929] [2023-11-06 22:42:17,092 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:42:17,131 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:42:17,155 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_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-61.i[916,929] [2023-11-06 22:42:17,208 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:42:17,229 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:42:17,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:17 WrapperNode [2023-11-06 22:42:17,229 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:42:17,231 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:42:17,232 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:42:17,232 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:42:17,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:17" (1/1) ... [2023-11-06 22:42:17,278 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:17" (1/1) ... [2023-11-06 22:42:17,328 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 135 [2023-11-06 22:42:17,328 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:42:17,329 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:42:17,329 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:42:17,329 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:42:17,340 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:17" (1/1) ... [2023-11-06 22:42:17,340 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:17" (1/1) ... [2023-11-06 22:42:17,346 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:17" (1/1) ... [2023-11-06 22:42:17,346 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:17" (1/1) ... [2023-11-06 22:42:17,363 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:17" (1/1) ... [2023-11-06 22:42:17,374 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:17" (1/1) ... [2023-11-06 22:42:17,381 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:17" (1/1) ... [2023-11-06 22:42:17,383 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:17" (1/1) ... [2023-11-06 22:42:17,390 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:42:17,399 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:42:17,399 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:42:17,399 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:42:17,400 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:17" (1/1) ... [2023-11-06 22:42:17,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:42:17,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:42:17,440 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:42:17,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:42:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:42:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:42:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:42:17,481 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:42:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:42:17,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:42:17,569 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:42:17,572 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:42:17,874 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:42:17,888 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:42:17,890 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:42:17,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:42:17 BoogieIcfgContainer [2023-11-06 22:42:17,893 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:42:17,896 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:42:17,896 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:42:17,900 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:42:17,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:42:16" (1/3) ... [2023-11-06 22:42:17,901 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7acc45b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:42:17, skipping insertion in model container [2023-11-06 22:42:17,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:42:17" (2/3) ... [2023-11-06 22:42:17,903 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7acc45b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:42:17, skipping insertion in model container [2023-11-06 22:42:17,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:42:17" (3/3) ... [2023-11-06 22:42:17,906 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-61.i [2023-11-06 22:42:17,926 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:42:17,926 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:42:17,997 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:42:18,005 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;@134e45af, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:42:18,006 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:42:18,011 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 37 states have internal predecessors, (46), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-06 22:42:18,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-06 22:42:18,034 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:18,035 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:42:18,037 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:18,046 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:18,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1324592139, now seen corresponding path program 1 times [2023-11-06 22:42:18,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:42:18,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [523312927] [2023-11-06 22:42:18,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:18,065 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 22:42:18,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:42:18,076 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/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 22:42:18,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/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 22:42:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:18,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:42:18,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:42:18,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:42:18,535 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:42:18,536 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:42:18,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [523312927] [2023-11-06 22:42:18,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [523312927] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:42:18,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:42:18,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:42:18,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964389506] [2023-11-06 22:42:18,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:42:18,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:42:18,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:42:18,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:42:18,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:42:18,594 INFO L87 Difference]: Start difference. First operand has 65 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 37 states have internal predecessors, (46), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:42:18,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:42:18,649 INFO L93 Difference]: Finished difference Result 123 states and 216 transitions. [2023-11-06 22:42:18,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:42:18,652 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 158 [2023-11-06 22:42:18,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:42:18,666 INFO L225 Difference]: With dead ends: 123 [2023-11-06 22:42:18,667 INFO L226 Difference]: Without dead ends: 61 [2023-11-06 22:42:18,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 157 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 22:42:18,675 INFO L413 NwaCegarLoop]: 89 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, 89 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 22:42:18,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:42:18,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-11-06 22:42:18,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-11-06 22:42:18,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 33 states have (on average 1.121212121212121) internal successors, (37), 33 states have internal predecessors, (37), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-06 22:42:18,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 89 transitions. [2023-11-06 22:42:18,727 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 89 transitions. Word has length 158 [2023-11-06 22:42:18,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:42:18,729 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 89 transitions. [2023-11-06 22:42:18,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:42:18,730 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 89 transitions. [2023-11-06 22:42:18,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-06 22:42:18,734 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:42:18,734 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:42:18,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/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 22:42:18,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/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 22:42:18,941 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:42:18,941 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:42:18,942 INFO L85 PathProgramCache]: Analyzing trace with hash -808174706, now seen corresponding path program 1 times [2023-11-06 22:42:18,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:42:18,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [953846086] [2023-11-06 22:42:18,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:18,943 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 22:42:18,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:42:18,946 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/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 22:42:18,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/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 22:42:19,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:42:19,152 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:42:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:42:19,291 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2023-11-06 22:42:19,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1021048532] [2023-11-06 22:42:19,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:42:19,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 22:42:19,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 22:42:19,300 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 22:42:19,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-06 22:42:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:42:19,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-06 22:42:19,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:44:11,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:44:11,489 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:44:11,489 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:44:11,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [953846086] [2023-11-06 22:44:11,489 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:44:11,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1021048532] [2023-11-06 22:44:11,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1021048532] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:44:11,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:44:11,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:44:11,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065667379] [2023-11-06 22:44:11,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:44:11,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:44:11,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:44:11,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:44:11,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:44:11,494 INFO L87 Difference]: Start difference. First operand 61 states and 89 transitions. Second operand has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 9 states have internal predecessors, (32), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:44:12,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:44:12,701 INFO L93 Difference]: Finished difference Result 183 states and 250 transitions. [2023-11-06 22:44:12,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 22:44:12,702 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 9 states have internal predecessors, (32), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 159 [2023-11-06 22:44:12,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:44:12,708 INFO L225 Difference]: With dead ends: 183 [2023-11-06 22:44:12,709 INFO L226 Difference]: Without dead ends: 181 [2023-11-06 22:44:12,710 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:44:12,712 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 120 mSDsluCounter, 615 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:44:12,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 767 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 22:44:12,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2023-11-06 22:44:12,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 108. [2023-11-06 22:44:12,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 69 states have (on average 1.1304347826086956) internal successors, (78), 71 states have internal predecessors, (78), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 32 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-06 22:44:12,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 146 transitions. [2023-11-06 22:44:12,767 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 146 transitions. Word has length 159 [2023-11-06 22:44:12,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:44:12,768 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 146 transitions. [2023-11-06 22:44:12,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 9 states have internal predecessors, (32), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:44:12,769 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 146 transitions. [2023-11-06 22:44:12,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-06 22:44:12,772 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:44:12,773 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:44:12,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/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 22:44:12,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:44:13,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt [2023-11-06 22:44:13,177 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:44:13,177 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:44:13,178 INFO L85 PathProgramCache]: Analyzing trace with hash -806327664, now seen corresponding path program 1 times [2023-11-06 22:44:13,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:44:13,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [938593311] [2023-11-06 22:44:13,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:44:13,179 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 22:44:13,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:44:13,181 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/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 22:44:13,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-06 22:44:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:44:13,308 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:44:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:44:13,408 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2023-11-06 22:44:13,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [590349416] [2023-11-06 22:44:13,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:44:13,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 22:44:13,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 22:44:13,413 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 22:44:13,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-06 22:44:13,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:44:13,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 22:44:13,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:46:22,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2023-11-06 22:46:22,758 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:46:22,758 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:46:22,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [938593311] [2023-11-06 22:46:22,758 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:46:22,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [590349416] [2023-11-06 22:46:22,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [590349416] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:46:22,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:46:22,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:46:22,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843700012] [2023-11-06 22:46:22,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:46:22,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:46:22,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:46:22,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:46:22,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:46:22,763 INFO L87 Difference]: Start difference. First operand 108 states and 146 transitions. Second operand has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 9 states have internal predecessors, (32), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:46:24,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:24,151 INFO L93 Difference]: Finished difference Result 181 states and 248 transitions. [2023-11-06 22:46:24,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 22:46:24,152 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 9 states have internal predecessors, (32), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 159 [2023-11-06 22:46:24,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:46:24,156 INFO L225 Difference]: With dead ends: 181 [2023-11-06 22:46:24,156 INFO L226 Difference]: Without dead ends: 179 [2023-11-06 22:46:24,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2023-11-06 22:46:24,159 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 101 mSDsluCounter, 734 mSDsCounter, 0 mSdLazyCounter, 302 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 904 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:46:24,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 904 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-06 22:46:24,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2023-11-06 22:46:24,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 105. [2023-11-06 22:46:24,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 66 states have (on average 1.121212121212121) internal successors, (74), 68 states have internal predecessors, (74), 34 states have call successors, (34), 4 states have call predecessors, (34), 4 states have return successors, (34), 32 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-06 22:46:24,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 142 transitions. [2023-11-06 22:46:24,225 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 142 transitions. Word has length 159 [2023-11-06 22:46:24,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:46:24,228 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 142 transitions. [2023-11-06 22:46:24,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 9 states have internal predecessors, (32), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2023-11-06 22:46:24,231 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 142 transitions. [2023-11-06 22:46:24,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-06 22:46:24,242 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:46:24,243 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:46:24,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:46:24,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-11-06 22:46:24,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt [2023-11-06 22:46:24,653 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:46:24,654 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:46:24,654 INFO L85 PathProgramCache]: Analyzing trace with hash -128116336, now seen corresponding path program 1 times [2023-11-06 22:46:24,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:46:24,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [203067254] [2023-11-06 22:46:24,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:46:24,656 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 22:46:24,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:46:24,657 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/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 22:46:24,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/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 (7)] Waiting until timeout for monitored process [2023-11-06 22:46:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:46:24,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:46:24,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:46:25,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 369 proven. 63 refuted. 0 times theorem prover too weak. 868 trivial. 0 not checked. [2023-11-06 22:46:25,044 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:46:25,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 12 proven. 63 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-06 22:46:25,273 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:46:25,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [203067254] [2023-11-06 22:46:25,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [203067254] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:46:25,274 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:46:25,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2023-11-06 22:46:25,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520839782] [2023-11-06 22:46:25,275 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:46:25,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:46:25,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:46:25,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:46:25,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:46:25,278 INFO L87 Difference]: Start difference. First operand 105 states and 142 transitions. Second operand has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2023-11-06 22:46:25,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:46:25,592 INFO L93 Difference]: Finished difference Result 189 states and 255 transitions. [2023-11-06 22:46:25,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:46:25,593 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 159 [2023-11-06 22:46:25,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:46:25,595 INFO L225 Difference]: With dead ends: 189 [2023-11-06 22:46:25,595 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:46:25,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 308 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:46:25,599 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 63 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:46:25,600 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 171 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:46:25,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:46:25,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:46:25,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:46:25,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:46:25,602 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 159 [2023-11-06 22:46:25,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:46:25,602 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:46:25,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 9 states have internal predecessors, (43), 2 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2023-11-06 22:46:25,603 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:46:25,603 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:46:25,606 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:46:25,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/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 (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:46:25,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/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 22:46:25,818 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:46:26,504 INFO L895 garLoopResultBuilder]: At program point L93(line 93) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-11-06 22:46:26,505 INFO L895 garLoopResultBuilder]: At program point L93-1(line 93) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-11-06 22:46:26,505 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 64) no Hoare annotation was computed. [2023-11-06 22:46:26,505 INFO L899 garLoopResultBuilder]: For program point L60-2(lines 44 69) no Hoare annotation was computed. [2023-11-06 22:46:26,505 INFO L899 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2023-11-06 22:46:26,505 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-06 22:46:26,505 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-06 22:46:26,506 INFO L895 garLoopResultBuilder]: At program point L19-3(line 19) the Hoare annotation is: (and (= ~var_1_22~0 ((_ zero_extend 8) ~var_1_18~0)) (let ((.cse3 ((_ zero_extend 24) ~var_1_12~0)) (.cse0 ((_ zero_extend 24) ~var_1_13~0))) (let ((.cse2 (bvsgt .cse3 .cse0)) (.cse1 ((_ zero_extend 24) ~var_1_10~0))) (or (and (= ~var_1_11~0 ((_ extract 7 0) (bvadd .cse0 .cse1))) (not .cse2)) (and .cse2 (= ~var_1_11~0 ((_ extract 7 0) (bvadd .cse3 .cse1))))))) (not (= ~var_1_6~0 (_ bv0 8))) (= ~var_1_1~0 ~var_1_5~0) (= ~var_1_23~0 ((_ fp.to_sbv 32) roundTowardZero ((_ to_fp 11 53) currentRoundingMode (/ 10000000000000009.0 1000000000000000000.0)))) (= ~var_1_20~0 ~var_1_21~0) (= ~var_1_15~0 ~var_1_19~0)) [2023-11-06 22:46:26,506 INFO L899 garLoopResultBuilder]: For program point L44(lines 44 69) no Hoare annotation was computed. [2023-11-06 22:46:26,506 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 117 128) the Hoare annotation is: false [2023-11-06 22:46:26,506 INFO L895 garLoopResultBuilder]: At program point L102(line 102) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-11-06 22:46:26,506 INFO L895 garLoopResultBuilder]: At program point L102-1(line 102) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-11-06 22:46:26,507 INFO L899 garLoopResultBuilder]: For program point L94(line 94) no Hoare annotation was computed. [2023-11-06 22:46:26,507 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:46:26,507 INFO L899 garLoopResultBuilder]: For program point L111(lines 111 112) no Hoare annotation was computed. [2023-11-06 22:46:26,507 INFO L902 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: true [2023-11-06 22:46:26,507 INFO L895 garLoopResultBuilder]: At program point L78-1(line 78) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-11-06 22:46:26,507 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 49) no Hoare annotation was computed. [2023-11-06 22:46:26,507 INFO L899 garLoopResultBuilder]: For program point L45-2(lines 45 49) no Hoare annotation was computed. [2023-11-06 22:46:26,507 INFO L899 garLoopResultBuilder]: For program point L103(line 103) no Hoare annotation was computed. [2023-11-06 22:46:26,508 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-11-06 22:46:26,508 INFO L895 garLoopResultBuilder]: At program point L87-1(line 87) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-11-06 22:46:26,508 INFO L902 garLoopResultBuilder]: At program point L120-2(lines 120 126) the Hoare annotation is: true [2023-11-06 22:46:26,508 INFO L899 garLoopResultBuilder]: For program point L120-3(lines 120 126) no Hoare annotation was computed. [2023-11-06 22:46:26,508 INFO L899 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2023-11-06 22:46:26,508 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:46:26,508 INFO L895 garLoopResultBuilder]: At program point L96(line 96) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-11-06 22:46:26,509 INFO L895 garLoopResultBuilder]: At program point L96-1(line 96) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-11-06 22:46:26,509 INFO L899 garLoopResultBuilder]: For program point L88(line 88) no Hoare annotation was computed. [2023-11-06 22:46:26,509 INFO L895 garLoopResultBuilder]: At program point L105(line 105) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-11-06 22:46:26,509 INFO L902 garLoopResultBuilder]: At program point L72(line 72) the Hoare annotation is: true [2023-11-06 22:46:26,509 INFO L895 garLoopResultBuilder]: At program point L105-1(line 105) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-11-06 22:46:26,509 INFO L902 garLoopResultBuilder]: At program point L72-1(line 72) the Hoare annotation is: true [2023-11-06 22:46:26,509 INFO L899 garLoopResultBuilder]: For program point L97(line 97) no Hoare annotation was computed. [2023-11-06 22:46:26,510 INFO L895 garLoopResultBuilder]: At program point L81(line 81) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-11-06 22:46:26,510 INFO L895 garLoopResultBuilder]: At program point L81-1(line 81) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-11-06 22:46:26,510 INFO L899 garLoopResultBuilder]: For program point L106(line 106) no Hoare annotation was computed. [2023-11-06 22:46:26,510 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2023-11-06 22:46:26,510 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:46:26,510 INFO L895 garLoopResultBuilder]: At program point L90(line 90) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-11-06 22:46:26,510 INFO L895 garLoopResultBuilder]: At program point L90-1(line 90) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-11-06 22:46:26,511 INFO L899 garLoopResultBuilder]: For program point L57(lines 57 65) no Hoare annotation was computed. [2023-11-06 22:46:26,511 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-11-06 22:46:26,511 INFO L899 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2023-11-06 22:46:26,511 INFO L895 garLoopResultBuilder]: At program point property_returnLabel#1(lines 113 116) the Hoare annotation is: (let ((.cse7 ((_ zero_extend 24) ~var_1_10~0))) (let ((.cse0 (= ~var_1_22~0 ((_ zero_extend 8) ~var_1_18~0))) (.cse1 (let ((.cse11 ((_ zero_extend 24) ~var_1_12~0)) (.cse9 ((_ zero_extend 24) ~var_1_13~0))) (let ((.cse10 (bvsgt .cse11 .cse9))) (or (and (= ~var_1_11~0 ((_ extract 7 0) (bvadd .cse9 .cse7))) (not .cse10)) (and .cse10 (= ~var_1_11~0 ((_ extract 7 0) (bvadd .cse11 .cse7)))))))) (.cse2 (not (= ~var_1_6~0 (_ bv0 8)))) (.cse3 (= ~var_1_1~0 ~var_1_5~0)) (.cse4 (= ~var_1_23~0 ((_ fp.to_sbv 32) roundTowardZero ((_ to_fp 11 53) currentRoundingMode (/ 10000000000000009.0 1000000000000000000.0))))) (.cse5 (= |ULTIMATE.start_property_#res#1| (_ bv1 32))) (.cse6 (= ~var_1_20~0 ~var_1_21~0)) (.cse8 (= ~var_1_15~0 ~var_1_19~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (= ~var_1_7~0 ((_ extract 7 0) (bvadd (bvneg .cse7) ((_ zero_extend 24) ~var_1_9~0)))) .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse8 (not (bvslt ~var_1_23~0 ~var_1_20~0)))))) [2023-11-06 22:46:26,511 INFO L895 garLoopResultBuilder]: At program point L99(line 99) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-11-06 22:46:26,512 INFO L895 garLoopResultBuilder]: At program point L99-1(line 99) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-11-06 22:46:26,512 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:46:26,512 INFO L899 garLoopResultBuilder]: For program point L91(line 91) no Hoare annotation was computed. [2023-11-06 22:46:26,512 INFO L895 garLoopResultBuilder]: At program point L108(line 108) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-11-06 22:46:26,512 INFO L902 garLoopResultBuilder]: At program point L75(line 75) the Hoare annotation is: true [2023-11-06 22:46:26,512 INFO L895 garLoopResultBuilder]: At program point L108-1(line 108) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-11-06 22:46:26,512 INFO L899 garLoopResultBuilder]: For program point L42(lines 42 43) no Hoare annotation was computed. [2023-11-06 22:46:26,513 INFO L902 garLoopResultBuilder]: At program point L75-1(line 75) the Hoare annotation is: true [2023-11-06 22:46:26,513 INFO L899 garLoopResultBuilder]: For program point L100(line 100) no Hoare annotation was computed. [2023-11-06 22:46:26,513 INFO L895 garLoopResultBuilder]: At program point L84(line 84) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-11-06 22:46:26,513 INFO L895 garLoopResultBuilder]: At program point L84-1(line 84) the Hoare annotation is: (bvsge ((_ zero_extend 24) ~var_1_6~0) (_ bv1 32)) [2023-11-06 22:46:26,513 INFO L899 garLoopResultBuilder]: For program point L51(lines 51 53) no Hoare annotation was computed. [2023-11-06 22:46:26,513 INFO L899 garLoopResultBuilder]: For program point L51-2(lines 51 53) no Hoare annotation was computed. [2023-11-06 22:46:26,513 INFO L899 garLoopResultBuilder]: For program point L109(lines 70 110) no Hoare annotation was computed. [2023-11-06 22:46:26,513 INFO L899 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2023-11-06 22:46:26,514 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-11-06 22:46:26,514 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-11-06 22:46:26,514 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-11-06 22:46:26,514 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-11-06 22:46:26,519 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-06 22:46:26,521 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:46:26,535 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundTowardZero could not be translated [2023-11-06 22:46:26,537 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundTowardZero could not be translated [2023-11-06 22:46:26,539 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundTowardZero could not be translated [2023-11-06 22:46:26,540 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundTowardZero could not be translated [2023-11-06 22:46:26,542 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundTowardZero could not be translated [2023-11-06 22:46:26,543 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundTowardZero could not be translated [2023-11-06 22:46:26,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:46:26 BoogieIcfgContainer [2023-11-06 22:46:26,544 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:46:26,545 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:46:26,545 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:46:26,546 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:46:26,546 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:42:17" (3/4) ... [2023-11-06 22:46:26,548 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:46:26,553 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-06 22:46:26,560 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-06 22:46:26,560 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-06 22:46:26,561 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:46:26,561 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:46:26,594 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((var_1_22 == var_1_18) && (((var_1_11 == (((var_1_13 + var_1_10) % 4294967296) & 127)) && !((var_1_12 > var_1_13))) || ((var_1_12 > var_1_13) && (var_1_11 == (((var_1_12 + var_1_10) % 4294967296) & 127))))) && !((var_1_6 == 0))) && (var_1_1 == var_1_5)) && (\result == 1)) && (var_1_20 == var_1_21)) && (var_1_7 == (((-(var_1_10) + var_1_9) % 4294967296) & 127))) && (var_1_15 == var_1_19)) || ((((((((var_1_22 == var_1_18) && (((var_1_11 == (((var_1_13 + var_1_10) % 4294967296) & 127)) && !((var_1_12 > var_1_13))) || ((var_1_12 > var_1_13) && (var_1_11 == (((var_1_12 + var_1_10) % 4294967296) & 127))))) && !((var_1_6 == 0))) && (var_1_1 == var_1_5)) && (\result == 1)) && (var_1_20 == var_1_21)) && (var_1_15 == var_1_19)) && !((var_1_23 < var_1_20)))) [2023-11-06 22:46:26,635 WARN L115 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((var_1_22 == var_1_18) && (((var_1_11 == (((var_1_13 + var_1_10) % 4294967296) & 127)) && !((var_1_12 > var_1_13))) || ((var_1_12 > var_1_13) && (var_1_11 == (((var_1_12 + var_1_10) % 4294967296) & 127))))) && !((var_1_6 == 0))) && (var_1_1 == var_1_5)) && (\result == 1)) && (var_1_20 == var_1_21)) && (var_1_7 == (((-(var_1_10) + var_1_9) % 4294967296) & 127))) && (var_1_15 == var_1_19)) || ((((((((var_1_22 == var_1_18) && (((var_1_11 == (((var_1_13 + var_1_10) % 4294967296) & 127)) && !((var_1_12 > var_1_13))) || ((var_1_12 > var_1_13) && (var_1_11 == (((var_1_12 + var_1_10) % 4294967296) & 127))))) && !((var_1_6 == 0))) && (var_1_1 == var_1_5)) && (\result == 1)) && (var_1_20 == var_1_21)) && (var_1_15 == var_1_19)) && !((var_1_23 < var_1_20)))) [2023-11-06 22:46:26,661 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:46:26,661 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14788f9a-24aa-4b36-ab48-b4b5e8309c7a/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:46:26,661 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:46:26,662 INFO L158 Benchmark]: Toolchain (without parser) took 249828.12ms. Allocated memory was 71.3MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 46.7MB in the beginning and 809.8MB in the end (delta: -763.0MB). Peak memory consumption was 256.4MB. Max. memory is 16.1GB. [2023-11-06 22:46:26,662 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 71.3MB. Free memory is still 46.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:46:26,663 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.59ms. Allocated memory is still 71.3MB. Free memory was 46.5MB in the beginning and 33.3MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:46:26,663 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.68ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 33.3MB in the beginning and 68.1MB in the end (delta: -34.8MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2023-11-06 22:46:26,665 INFO L158 Benchmark]: Boogie Preprocessor took 68.55ms. Allocated memory is still 90.2MB. Free memory was 68.1MB in the beginning and 66.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:46:26,665 INFO L158 Benchmark]: RCFGBuilder took 495.00ms. Allocated memory is still 90.2MB. Free memory was 66.2MB in the beginning and 50.1MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 22:46:26,666 INFO L158 Benchmark]: TraceAbstraction took 248648.89ms. Allocated memory was 90.2MB in the beginning and 1.1GB in the end (delta: 998.2MB). Free memory was 49.4MB in the beginning and 816.1MB in the end (delta: -766.7MB). Peak memory consumption was 232.5MB. Max. memory is 16.1GB. [2023-11-06 22:46:26,666 INFO L158 Benchmark]: Witness Printer took 116.42ms. Allocated memory is still 1.1GB. Free memory was 816.1MB in the beginning and 809.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-06 22:46:26,670 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 71.3MB. Free memory is still 46.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.59ms. Allocated memory is still 71.3MB. Free memory was 46.5MB in the beginning and 33.3MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.68ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 33.3MB in the beginning and 68.1MB in the end (delta: -34.8MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.55ms. Allocated memory is still 90.2MB. Free memory was 68.1MB in the beginning and 66.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 495.00ms. Allocated memory is still 90.2MB. Free memory was 66.2MB in the beginning and 50.1MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 248648.89ms. Allocated memory was 90.2MB in the beginning and 1.1GB in the end (delta: 998.2MB). Free memory was 49.4MB in the beginning and 816.1MB in the end (delta: -766.7MB). Peak memory consumption was 232.5MB. Max. memory is 16.1GB. * Witness Printer took 116.42ms. Allocated memory is still 1.1GB. Free memory was 816.1MB in the beginning and 809.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundTowardZero could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundTowardZero could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundTowardZero could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundTowardZero could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundTowardZero could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundTowardZero could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 65 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 248.5s, OverallIterations: 4, TraceHistogramMax: 26, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 332 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 284 mSDsluCounter, 1931 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1457 mSDsCounter, 52 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 716 IncrementalHoareTripleChecker+Invalid, 768 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 52 mSolverCounterUnsat, 474 mSDtfsCounter, 716 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 810 GetRequests, 771 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=2, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 147 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 31 LocationsWithAnnotation, 120 PreInvPairs, 154 NumberOfFragments, 277 HoareAnnotationTreeSize, 120 FomulaSimplifications, 750 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 31 FomulaSimplificationsInter, 1399 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 241.5s InterpolantComputationTime, 953 NumberOfCodeBlocks, 953 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 789 ConstructedInterpolants, 0 QuantifiedInterpolants, 1939 SizeOfPredicates, 54 NumberOfNonLiveVariables, 1005 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 6374/6500 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant [2023-11-06 22:46:26,695 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundTowardZero could not be translated [2023-11-06 22:46:26,704 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundTowardZero could not be translated [2023-11-06 22:46:26,705 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundTowardZero could not be translated [2023-11-06 22:46:26,706 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundTowardZero could not be translated Derived loop invariant: (((((((((var_1_22 == var_1_18) && (((var_1_11 == (((var_1_13 + var_1_10) % 4294967296) & 127)) && !((var_1_12 > var_1_13))) || ((var_1_12 > var_1_13) && (var_1_11 == (((var_1_12 + var_1_10) % 4294967296) & 127))))) && !((var_1_6 == 0))) && (var_1_1 == var_1_5)) && (\result == 1)) && (var_1_20 == var_1_21)) && (var_1_7 == (((-(var_1_10) + var_1_9) % 4294967296) & 127))) && (var_1_15 == var_1_19)) || ((((((((var_1_22 == var_1_18) && (((var_1_11 == (((var_1_13 + var_1_10) % 4294967296) & 127)) && !((var_1_12 > var_1_13))) || ((var_1_12 > var_1_13) && (var_1_11 == (((var_1_12 + var_1_10) % 4294967296) & 127))))) && !((var_1_6 == 0))) && (var_1_1 == var_1_5)) && (\result == 1)) && (var_1_20 == var_1_21)) && (var_1_15 == var_1_19)) && !((var_1_23 < var_1_20)))) - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant [2023-11-06 22:46:26,711 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundTowardZero could not be translated [2023-11-06 22:46:26,711 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundTowardZero could not be translated Derived loop invariant: ((((((var_1_22 == var_1_18) && (((var_1_11 == (((var_1_13 + var_1_10) % 4294967296) & 127)) && !((var_1_12 > var_1_13))) || ((var_1_12 > var_1_13) && (var_1_11 == (((var_1_12 + var_1_10) % 4294967296) & 127))))) && !((var_1_6 == 0))) && (var_1_1 == var_1_5)) && (var_1_20 == var_1_21)) && (var_1_15 == var_1_19)) RESULT: Ultimate proved your program to be correct!