./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-45.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/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_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-45.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/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_0a5159d8-518d-4975-b498-7962de611226/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 0fa54214fa0e14b4541009c1f03168f6186b3667ce3e38d42d4698c79af003be --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:13:12,339 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:13:12,448 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:13:12,464 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:13:12,464 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:13:12,503 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:13:12,504 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:13:12,505 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:13:12,506 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:13:12,511 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:13:12,512 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:13:12,513 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:13:12,513 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:13:12,515 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:13:12,516 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:13:12,516 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:13:12,517 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:13:12,517 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:13:12,517 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:13:12,518 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:13:12,519 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:13:12,519 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:13:12,520 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:13:12,520 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:13:12,521 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:13:12,521 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:13:12,522 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:13:12,522 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:13:12,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:13:12,523 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:13:12,525 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:13:12,525 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:13:12,525 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:13:12,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:13:12,526 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:13:12,526 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:13:12,526 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:13:12,526 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:13:12,527 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:13:12,527 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_0a5159d8-518d-4975-b498-7962de611226/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fa54214fa0e14b4541009c1f03168f6186b3667ce3e38d42d4698c79af003be [2023-11-06 22:13:12,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:13:12,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:13:12,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:13:12,870 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:13:12,870 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:13:12,872 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-45.i [2023-11-06 22:13:16,057 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:13:16,267 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:13:16,269 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-45.i [2023-11-06 22:13:16,284 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/data/7fa3a3033/bebea116eebf4075b30c9eb13578cdbc/FLAG4a572f792 [2023-11-06 22:13:16,299 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/data/7fa3a3033/bebea116eebf4075b30c9eb13578cdbc [2023-11-06 22:13:16,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:13:16,303 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:13:16,305 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:13:16,305 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:13:16,311 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:13:16,312 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:13:16" (1/1) ... [2023-11-06 22:13:16,313 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cebee90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:16, skipping insertion in model container [2023-11-06 22:13:16,313 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:13:16" (1/1) ... [2023-11-06 22:13:16,341 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:13:16,504 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_0a5159d8-518d-4975-b498-7962de611226/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-45.i[917,930] [2023-11-06 22:13:16,553 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:13:16,574 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:13:16,594 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_0a5159d8-518d-4975-b498-7962de611226/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-45.i[917,930] [2023-11-06 22:13:16,621 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:13:16,637 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:13:16,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:16 WrapperNode [2023-11-06 22:13:16,637 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:13:16,639 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:13:16,639 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:13:16,639 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:13:16,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:16" (1/1) ... [2023-11-06 22:13:16,657 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:16" (1/1) ... [2023-11-06 22:13:16,696 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 134 [2023-11-06 22:13:16,697 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:13:16,697 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:13:16,698 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:13:16,698 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:13:16,707 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:16" (1/1) ... [2023-11-06 22:13:16,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:16" (1/1) ... [2023-11-06 22:13:16,712 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:16" (1/1) ... [2023-11-06 22:13:16,712 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:16" (1/1) ... [2023-11-06 22:13:16,722 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:16" (1/1) ... [2023-11-06 22:13:16,726 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:16" (1/1) ... [2023-11-06 22:13:16,728 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:16" (1/1) ... [2023-11-06 22:13:16,730 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:16" (1/1) ... [2023-11-06 22:13:16,735 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:13:16,736 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:13:16,736 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:13:16,736 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:13:16,737 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:16" (1/1) ... [2023-11-06 22:13:16,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:13:16,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:13:16,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:13:16,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:13:16,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:13:16,867 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:13:16,867 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:13:16,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:13:16,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:13:16,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:13:16,996 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:13:16,998 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:13:17,348 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:13:17,369 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:13:17,369 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:13:17,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:13:17 BoogieIcfgContainer [2023-11-06 22:13:17,371 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:13:17,377 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:13:17,377 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:13:17,380 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:13:17,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:13:16" (1/3) ... [2023-11-06 22:13:17,381 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f2a8f0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:13:17, skipping insertion in model container [2023-11-06 22:13:17,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:16" (2/3) ... [2023-11-06 22:13:17,382 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f2a8f0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:13:17, skipping insertion in model container [2023-11-06 22:13:17,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:13:17" (3/3) ... [2023-11-06 22:13:17,385 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-45.i [2023-11-06 22:13:17,418 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:13:17,418 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:13:17,468 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:13:17,475 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;@68583477, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:13:17,475 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:13:17,481 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-06 22:13:17,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-06 22:13:17,505 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:13:17,506 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:13:17,506 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:13:17,512 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:13:17,512 INFO L85 PathProgramCache]: Analyzing trace with hash 529893324, now seen corresponding path program 1 times [2023-11-06 22:13:17,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:13:17,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924373562] [2023-11-06 22:13:17,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:13:17,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:13:17,780 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:13:17,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [895013050] [2023-11-06 22:13:17,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:13:17,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:13:17,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:13:17,785 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:13:17,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:13:18,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:18,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:13:18,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:13:18,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-06 22:13:18,091 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:13:18,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:13:18,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924373562] [2023-11-06 22:13:18,092 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:13:18,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895013050] [2023-11-06 22:13:18,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [895013050] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:13:18,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:13:18,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:13:18,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840021154] [2023-11-06 22:13:18,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:13:18,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:13:18,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:13:18,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:13:18,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:13:18,136 INFO L87 Difference]: Start difference. First operand has 63 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-06 22:13:18,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:13:18,171 INFO L93 Difference]: Finished difference Result 119 states and 209 transitions. [2023-11-06 22:13:18,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:13:18,174 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 152 [2023-11-06 22:13:18,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:13:18,189 INFO L225 Difference]: With dead ends: 119 [2023-11-06 22:13:18,190 INFO L226 Difference]: Without dead ends: 59 [2023-11-06 22:13:18,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 151 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 22:13:18,201 INFO L413 NwaCegarLoop]: 87 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, 87 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 22:13:18,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:13:18,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-11-06 22:13:18,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2023-11-06 22:13:18,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 32 states have (on average 1.15625) internal successors, (37), 32 states have internal predecessors, (37), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-06 22:13:18,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 87 transitions. [2023-11-06 22:13:18,253 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 87 transitions. Word has length 152 [2023-11-06 22:13:18,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:13:18,256 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 87 transitions. [2023-11-06 22:13:18,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-06 22:13:18,257 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 87 transitions. [2023-11-06 22:13:18,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-06 22:13:18,261 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:13:18,261 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:13:18,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:13:18,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:13:18,462 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:13:18,463 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:13:18,464 INFO L85 PathProgramCache]: Analyzing trace with hash 475310127, now seen corresponding path program 1 times [2023-11-06 22:13:18,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:13:18,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107432387] [2023-11-06 22:13:18,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:13:18,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:13:18,557 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:13:18,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [622390222] [2023-11-06 22:13:18,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:13:18,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:13:18,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:13:18,566 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:13:18,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:13:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:18,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-06 22:13:18,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:13:19,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 679 proven. 69 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2023-11-06 22:13:19,448 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:13:19,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 69 proven. 72 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2023-11-06 22:13:19,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:13:19,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107432387] [2023-11-06 22:13:19,908 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:13:19,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [622390222] [2023-11-06 22:13:19,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [622390222] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:13:19,908 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:13:19,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2023-11-06 22:13:19,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737577199] [2023-11-06 22:13:19,909 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:13:19,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-06 22:13:19,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:13:19,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-06 22:13:19,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:13:19,917 INFO L87 Difference]: Start difference. First operand 59 states and 87 transitions. Second operand has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 3 states have call successors, (38), 3 states have call predecessors, (38), 7 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2023-11-06 22:13:21,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:13:21,201 INFO L93 Difference]: Finished difference Result 268 states and 373 transitions. [2023-11-06 22:13:21,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-11-06 22:13:21,203 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 3 states have call successors, (38), 3 states have call predecessors, (38), 7 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 153 [2023-11-06 22:13:21,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:13:21,212 INFO L225 Difference]: With dead ends: 268 [2023-11-06 22:13:21,214 INFO L226 Difference]: Without dead ends: 212 [2023-11-06 22:13:21,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 294 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 602 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=578, Invalid=1584, Unknown=0, NotChecked=0, Total=2162 [2023-11-06 22:13:21,223 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 253 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:13:21,224 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 380 Invalid, 700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [203 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:13:21,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2023-11-06 22:13:21,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 68. [2023-11-06 22:13:21,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 39 states have (on average 1.1282051282051282) internal successors, (44), 39 states have internal predecessors, (44), 25 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-06 22:13:21,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 94 transitions. [2023-11-06 22:13:21,286 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 94 transitions. Word has length 153 [2023-11-06 22:13:21,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:13:21,289 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 94 transitions. [2023-11-06 22:13:21,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 3 states have call successors, (38), 3 states have call predecessors, (38), 7 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2023-11-06 22:13:21,290 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2023-11-06 22:13:21,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-06 22:13:21,300 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:13:21,300 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:13:21,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:13:21,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:13:21,507 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:13:21,507 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:13:21,507 INFO L85 PathProgramCache]: Analyzing trace with hash 477157169, now seen corresponding path program 1 times [2023-11-06 22:13:21,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:13:21,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508635460] [2023-11-06 22:13:21,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:13:21,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:13:21,596 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:13:21,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1321693881] [2023-11-06 22:13:21,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:13:21,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:13:21,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:13:21,615 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:13:21,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:13:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:13:21,822 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:13:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:13:21,960 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:13:21,960 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:13:21,962 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:13:21,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:13:22,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:13:22,173 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-06 22:13:22,177 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:13:22,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:13:22 BoogieIcfgContainer [2023-11-06 22:13:22,294 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:13:22,295 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:13:22,295 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:13:22,296 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:13:22,296 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:13:17" (3/4) ... [2023-11-06 22:13:22,298 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:13:22,300 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:13:22,300 INFO L158 Benchmark]: Toolchain (without parser) took 5997.14ms. Allocated memory was 155.2MB in the beginning and 188.7MB in the end (delta: 33.6MB). Free memory was 109.8MB in the beginning and 121.3MB in the end (delta: -11.5MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2023-11-06 22:13:22,301 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 115.3MB. Free memory was 65.8MB in the beginning and 65.6MB in the end (delta: 176.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:13:22,301 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.86ms. Allocated memory is still 155.2MB. Free memory was 109.8MB in the beginning and 96.7MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:13:22,302 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.27ms. Allocated memory is still 155.2MB. Free memory was 96.7MB in the beginning and 93.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:13:22,302 INFO L158 Benchmark]: Boogie Preprocessor took 37.57ms. Allocated memory is still 155.2MB. Free memory was 93.9MB in the beginning and 92.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:13:22,303 INFO L158 Benchmark]: RCFGBuilder took 635.77ms. Allocated memory is still 155.2MB. Free memory was 92.2MB in the beginning and 74.2MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 22:13:22,303 INFO L158 Benchmark]: TraceAbstraction took 4917.92ms. Allocated memory was 155.2MB in the beginning and 188.7MB in the end (delta: 33.6MB). Free memory was 73.3MB in the beginning and 121.3MB in the end (delta: -48.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:13:22,303 INFO L158 Benchmark]: Witness Printer took 4.59ms. Allocated memory is still 188.7MB. Free memory is still 121.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:13:22,306 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 115.3MB. Free memory was 65.8MB in the beginning and 65.6MB in the end (delta: 176.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.86ms. Allocated memory is still 155.2MB. Free memory was 109.8MB in the beginning and 96.7MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.27ms. Allocated memory is still 155.2MB. Free memory was 96.7MB in the beginning and 93.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.57ms. Allocated memory is still 155.2MB. Free memory was 93.9MB in the beginning and 92.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 635.77ms. Allocated memory is still 155.2MB. Free memory was 92.2MB in the beginning and 74.2MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4917.92ms. Allocated memory was 155.2MB in the beginning and 188.7MB in the end (delta: 33.6MB). Free memory was 73.3MB in the beginning and 121.3MB in the end (delta: -48.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.59ms. Allocated memory is still 188.7MB. Free memory is still 121.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 108, overapproximation of someBinaryFLOATComparisonOperation at line 108, overapproximation of someBinaryArithmeticDOUBLEoperation at line 48. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 999999.2; [L23] unsigned short int var_1_2 = 5; [L24] signed long int var_1_4 = -2; [L25] double var_1_6 = 0.0; [L26] double var_1_7 = 5.9; [L27] double var_1_8 = 255.6; [L28] float var_1_9 = 25.5; [L29] unsigned char var_1_10 = 0; [L30] float var_1_11 = 0.0; [L31] unsigned char var_1_12 = 1; [L32] unsigned char var_1_13 = 0; [L33] unsigned char var_1_14 = 0; [L34] unsigned char var_1_15 = 0; [L35] unsigned char var_1_16 = 1; [L36] unsigned char var_1_17 = 1; [L37] unsigned char var_1_18 = 64; [L38] signed char var_1_19 = -10; [L39] unsigned char var_1_20 = 5; [L40] unsigned char last_1_var_1_18 = 64; VAL [isInitial=0, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_2=5, var_1_4=-2, var_1_6=0, var_1_7=59/10, var_1_8=1278/5, var_1_9=51/2] [L112] isInitial = 1 [L113] FCALL initially() [L114] COND TRUE 1 [L115] CALL updateLastVariables() [L105] last_1_var_1_18 = var_1_18 VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_2=5, var_1_4=-2, var_1_6=0, var_1_7=59/10, var_1_8=1278/5, var_1_9=51/2] [L115] RET updateLastVariables() [L116] CALL updateVariables() [L64] var_1_2 = __VERIFIER_nondet_ushort() [L65] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=-2, var_1_6=0, var_1_7=59/10, var_1_8=1278/5, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=-2, var_1_6=0, var_1_7=59/10, var_1_8=1278/5, var_1_9=51/2] [L65] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=-2, var_1_6=0, var_1_7=59/10, var_1_8=1278/5, var_1_9=51/2] [L66] CALL assume_abort_if_not(var_1_2 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=-2, var_1_6=0, var_1_7=59/10, var_1_8=1278/5, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=-2, var_1_6=0, var_1_7=59/10, var_1_8=1278/5, var_1_9=51/2] [L66] RET assume_abort_if_not(var_1_2 <= 65535) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=-2, var_1_6=0, var_1_7=59/10, var_1_8=1278/5, var_1_9=51/2] [L67] var_1_4 = __VERIFIER_nondet_long() [L68] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=0, var_1_7=59/10, var_1_8=1278/5, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=0, var_1_7=59/10, var_1_8=1278/5, var_1_9=51/2] [L68] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=0, var_1_7=59/10, var_1_8=1278/5, var_1_9=51/2] [L69] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=0, var_1_7=59/10, var_1_8=1278/5, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=0, var_1_7=59/10, var_1_8=1278/5, var_1_9=51/2] [L69] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=0, var_1_7=59/10, var_1_8=1278/5, var_1_9=51/2] [L70] var_1_6 = __VERIFIER_nondet_double() [L71] CALL assume_abort_if_not((var_1_6 >= 4611686.018427382800e+12F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=59/10, var_1_8=1278/5, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=59/10, var_1_8=1278/5, var_1_9=51/2] [L71] RET assume_abort_if_not((var_1_6 >= 4611686.018427382800e+12F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=59/10, var_1_8=1278/5, var_1_9=51/2] [L72] var_1_7 = __VERIFIER_nondet_double() [L73] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=1278/5, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=1278/5, var_1_9=51/2] [L73] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=1278/5, var_1_9=51/2] [L74] var_1_8 = __VERIFIER_nondet_double() [L75] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L75] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=0, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L76] var_1_10 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L77] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L78] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L78] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L79] var_1_11 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_11 >= 4611686.018427382800e+12F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L80] RET assume_abort_if_not((var_1_11 >= 4611686.018427382800e+12F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L81] var_1_13 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L82] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L83] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L83] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L84] var_1_14 = __VERIFIER_nondet_uchar() [L85] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L85] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L86] CALL assume_abort_if_not(var_1_14 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L86] RET assume_abort_if_not(var_1_14 <= 0) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L87] var_1_15 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L88] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L89] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L89] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L90] var_1_16 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L91] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L92] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L92] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L93] var_1_17 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L94] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L95] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L95] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=-10, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L96] var_1_19 = __VERIFIER_nondet_char() [L97] CALL assume_abort_if_not(var_1_19 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L97] RET assume_abort_if_not(var_1_19 >= -128) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L98] CALL assume_abort_if_not(var_1_19 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L98] RET assume_abort_if_not(var_1_19 <= 127) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L99] CALL assume_abort_if_not(var_1_19 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L99] RET assume_abort_if_not(var_1_19 != 0) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=4999996/5, var_1_20=5, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L100] var_1_20 = __VERIFIER_nondet_uchar() [L101] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=4999996/5, var_1_20=32, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=4999996/5, var_1_20=32, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L101] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=4999996/5, var_1_20=32, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L102] CALL assume_abort_if_not(var_1_20 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=4999996/5, var_1_20=32, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=4999996/5, var_1_20=32, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L102] RET assume_abort_if_not(var_1_20 <= 254) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=64, var_1_19=2, var_1_1=4999996/5, var_1_20=32, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L116] RET updateVariables() [L117] CALL step() [L44] COND TRUE ((var_1_2 + var_1_4) / var_1_19) != last_1_var_1_18 [L45] var_1_18 = var_1_20 VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=32, var_1_19=2, var_1_1=4999996/5, var_1_20=32, var_1_2=0, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L47] COND TRUE (var_1_18 / 32) < (((((var_1_18 + var_1_18)) < (var_1_18)) ? ((var_1_18 + var_1_18)) : (var_1_18))) [L48] var_1_1 = ((var_1_6 - var_1_7) - var_1_8) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=32, var_1_19=2, var_1_20=32, var_1_2=0, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L52] COND TRUE var_1_18 == var_1_18 VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=32, var_1_19=2, var_1_20=32, var_1_2=0, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L53] COND TRUE \read(var_1_10) [L54] var_1_12 = (var_1_13 || var_1_14) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=32, var_1_19=2, var_1_20=32, var_1_2=0, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L59] COND FALSE !(\read(var_1_12)) VAL [isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=32, var_1_19=2, var_1_20=32, var_1_2=0, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L117] RET step() [L118] CALL, EXPR property() [L108-L109] return (((((var_1_18 / 32) < (((((var_1_18 + var_1_18)) < (var_1_18)) ? ((var_1_18 + var_1_18)) : (var_1_18)))) ? (var_1_1 == ((double) ((var_1_6 - var_1_7) - var_1_8))) : (var_1_1 == ((double) (var_1_8 - var_1_7)))) && (var_1_12 ? (var_1_9 == ((float) (((((var_1_8) < (var_1_6)) ? (var_1_8) : (var_1_6))) - (var_1_11 - 0.8f)))) : 1)) && ((var_1_18 == var_1_18) ? (var_1_10 ? (var_1_12 == ((unsigned char) (var_1_13 || var_1_14))) : (var_1_12 == ((unsigned char) (((var_1_8 >= var_1_1) || var_1_15) && ((var_1_13 || var_1_16) && var_1_17))))) : 1)) && ((((var_1_2 + var_1_4) / var_1_19) != last_1_var_1_18) ? (var_1_18 == ((unsigned char) var_1_20)) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=32, var_1_19=2, var_1_20=32, var_1_2=0, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L118] RET, EXPR property() [L118] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=32, var_1_19=2, var_1_20=32, var_1_2=0, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=64, var_1_10=1, var_1_11=5, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=1, var_1_17=1, var_1_18=32, var_1_19=2, var_1_20=32, var_1_2=0, var_1_4=1, var_1_6=2, var_1_7=3, var_1_8=4, var_1_9=51/2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 3, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 265 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 253 mSDsluCounter, 467 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 277 mSDsCounter, 203 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 497 IncrementalHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 203 mSolverCounterUnsat, 190 mSDtfsCounter, 497 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 492 GetRequests, 445 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 602 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred in iteration=2, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 144 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 458 NumberOfCodeBlocks, 458 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 455 ConstructedInterpolants, 0 QuantifiedInterpolants, 1474 SizeOfPredicates, 5 NumberOfNonLiveVariables, 687 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 3459/3600 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 22:13:22,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/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_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-45.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/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_0a5159d8-518d-4975-b498-7962de611226/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 0fa54214fa0e14b4541009c1f03168f6186b3667ce3e38d42d4698c79af003be --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:13:25,027 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:13:25,127 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:13:25,138 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:13:25,141 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:13:25,170 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:13:25,171 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:13:25,172 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:13:25,173 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:13:25,173 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:13:25,174 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:13:25,175 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:13:25,175 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:13:25,176 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:13:25,176 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:13:25,177 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:13:25,177 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:13:25,178 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:13:25,178 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:13:25,179 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:13:25,181 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:13:25,182 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:13:25,182 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:13:25,183 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:13:25,183 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:13:25,184 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:13:25,184 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:13:25,185 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:13:25,185 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:13:25,186 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:13:25,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:13:25,187 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:13:25,188 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:13:25,188 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:13:25,188 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:13:25,189 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:13:25,189 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:13:25,189 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:13:25,189 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:13:25,190 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:13:25,191 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:13:25,191 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:13:25,191 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_0a5159d8-518d-4975-b498-7962de611226/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0fa54214fa0e14b4541009c1f03168f6186b3667ce3e38d42d4698c79af003be [2023-11-06 22:13:25,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:13:25,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:13:25,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:13:25,589 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:13:25,590 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:13:25,591 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-45.i [2023-11-06 22:13:28,750 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:13:28,997 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:13:28,999 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-45.i [2023-11-06 22:13:29,011 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/data/f704eb793/8796b22e32944212bba1aaafa6dd538f/FLAG4559e0aa4 [2023-11-06 22:13:29,033 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/data/f704eb793/8796b22e32944212bba1aaafa6dd538f [2023-11-06 22:13:29,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:13:29,044 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:13:29,047 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:13:29,047 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:13:29,052 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:13:29,053 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:13:29" (1/1) ... [2023-11-06 22:13:29,055 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@492f69ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:29, skipping insertion in model container [2023-11-06 22:13:29,055 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:13:29" (1/1) ... [2023-11-06 22:13:29,105 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:13:29,266 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_0a5159d8-518d-4975-b498-7962de611226/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-45.i[917,930] [2023-11-06 22:13:29,311 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:13:29,328 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:13:29,342 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_0a5159d8-518d-4975-b498-7962de611226/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-45.i[917,930] [2023-11-06 22:13:29,385 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:13:29,409 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:13:29,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:29 WrapperNode [2023-11-06 22:13:29,410 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:13:29,411 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:13:29,411 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:13:29,411 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:13:29,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:29" (1/1) ... [2023-11-06 22:13:29,445 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:29" (1/1) ... [2023-11-06 22:13:29,492 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 132 [2023-11-06 22:13:29,493 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:13:29,493 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:13:29,493 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:13:29,494 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:13:29,505 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:29" (1/1) ... [2023-11-06 22:13:29,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:29" (1/1) ... [2023-11-06 22:13:29,525 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:29" (1/1) ... [2023-11-06 22:13:29,526 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:29" (1/1) ... [2023-11-06 22:13:29,536 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:29" (1/1) ... [2023-11-06 22:13:29,540 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:29" (1/1) ... [2023-11-06 22:13:29,558 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:29" (1/1) ... [2023-11-06 22:13:29,560 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:29" (1/1) ... [2023-11-06 22:13:29,564 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:13:29,565 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:13:29,565 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:13:29,565 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:13:29,566 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:29" (1/1) ... [2023-11-06 22:13:29,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:13:29,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:13:29,616 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:13:29,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:13:29,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:13:29,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:13:29,661 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:13:29,661 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:13:29,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:13:29,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:13:29,780 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:13:29,782 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:13:35,408 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:13:35,415 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:13:35,416 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:13:35,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:13:35 BoogieIcfgContainer [2023-11-06 22:13:35,418 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:13:35,444 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:13:35,444 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:13:35,447 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:13:35,448 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:13:29" (1/3) ... [2023-11-06 22:13:35,448 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ed15e8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:13:35, skipping insertion in model container [2023-11-06 22:13:35,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:13:29" (2/3) ... [2023-11-06 22:13:35,449 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ed15e8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:13:35, skipping insertion in model container [2023-11-06 22:13:35,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:13:35" (3/3) ... [2023-11-06 22:13:35,451 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-45.i [2023-11-06 22:13:35,470 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:13:35,470 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:13:35,522 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:13:35,529 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;@2488048b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:13:35,530 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:13:35,534 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-06 22:13:35,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-06 22:13:35,550 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:13:35,551 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:13:35,552 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:13:35,557 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:13:35,557 INFO L85 PathProgramCache]: Analyzing trace with hash 529893324, now seen corresponding path program 1 times [2023-11-06 22:13:35,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:13:35,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1446266166] [2023-11-06 22:13:35,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:13:35,573 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 22:13:35,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:13:35,580 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/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 22:13:35,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/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 22:13:36,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:36,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:13:36,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:13:36,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2023-11-06 22:13:36,367 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:13:36,367 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:13:36,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1446266166] [2023-11-06 22:13:36,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1446266166] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:13:36,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:13:36,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:13:36,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153905046] [2023-11-06 22:13:36,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:13:36,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:13:36,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:13:36,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:13:36,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:13:36,406 INFO L87 Difference]: Start difference. First operand has 63 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-06 22:13:36,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:13:36,438 INFO L93 Difference]: Finished difference Result 119 states and 209 transitions. [2023-11-06 22:13:36,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:13:36,440 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 152 [2023-11-06 22:13:36,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:13:36,450 INFO L225 Difference]: With dead ends: 119 [2023-11-06 22:13:36,450 INFO L226 Difference]: Without dead ends: 59 [2023-11-06 22:13:36,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 151 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 22:13:36,458 INFO L413 NwaCegarLoop]: 87 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, 87 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 22:13:36,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:13:36,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-11-06 22:13:36,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2023-11-06 22:13:36,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 32 states have (on average 1.15625) internal successors, (37), 32 states have internal predecessors, (37), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-06 22:13:36,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 87 transitions. [2023-11-06 22:13:36,508 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 87 transitions. Word has length 152 [2023-11-06 22:13:36,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:13:36,511 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 87 transitions. [2023-11-06 22:13:36,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2023-11-06 22:13:36,512 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 87 transitions. [2023-11-06 22:13:36,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-06 22:13:36,516 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:13:36,517 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:13:36,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/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 22:13:36,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/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 22:13:36,738 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:13:36,739 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:13:36,739 INFO L85 PathProgramCache]: Analyzing trace with hash 475310127, now seen corresponding path program 1 times [2023-11-06 22:13:36,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:13:36,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1092799957] [2023-11-06 22:13:36,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:13:36,741 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 22:13:36,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:13:36,744 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/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 22:13:36,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/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 22:13:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:37,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:13:37,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:13:38,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 679 proven. 69 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2023-11-06 22:13:38,790 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:13:39,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 69 proven. 72 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2023-11-06 22:13:39,680 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:13:39,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1092799957] [2023-11-06 22:13:39,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1092799957] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:13:39,682 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:13:39,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2023-11-06 22:13:39,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571175659] [2023-11-06 22:13:39,687 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:13:39,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:13:39,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:13:39,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:13:39,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:13:39,694 INFO L87 Difference]: Start difference. First operand 59 states and 87 transitions. Second operand has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 3 states have call successors, (38), 3 states have call predecessors, (38), 7 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2023-11-06 22:13:42,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:13:45,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:13:47,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:13:49,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:13:51,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:13:53,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:13:55,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:13:55,207 INFO L93 Difference]: Finished difference Result 199 states and 279 transitions. [2023-11-06 22:13:55,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-06 22:13:55,208 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 3 states have call successors, (38), 3 states have call predecessors, (38), 7 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 153 [2023-11-06 22:13:55,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:13:55,214 INFO L225 Difference]: With dead ends: 199 [2023-11-06 22:13:55,214 INFO L226 Difference]: Without dead ends: 143 [2023-11-06 22:13:55,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 294 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=315, Invalid=741, Unknown=0, NotChecked=0, Total=1056 [2023-11-06 22:13:55,217 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 185 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 131 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:13:55,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 301 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 392 Invalid, 6 Unknown, 0 Unchecked, 14.7s Time] [2023-11-06 22:13:55,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-11-06 22:13:55,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 68. [2023-11-06 22:13:55,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 39 states have (on average 1.1282051282051282) internal successors, (44), 39 states have internal predecessors, (44), 25 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-06 22:13:55,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 94 transitions. [2023-11-06 22:13:55,243 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 94 transitions. Word has length 153 [2023-11-06 22:13:55,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:13:55,244 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 94 transitions. [2023-11-06 22:13:55,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 3 states have call successors, (38), 3 states have call predecessors, (38), 7 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2023-11-06 22:13:55,245 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2023-11-06 22:13:55,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-06 22:13:55,248 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:13:55,248 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:13:55,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/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 22:13:55,460 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/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 22:13:55,461 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:13:55,461 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:13:55,462 INFO L85 PathProgramCache]: Analyzing trace with hash 477157169, now seen corresponding path program 1 times [2023-11-06 22:13:55,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:13:55,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1111565582] [2023-11-06 22:13:55,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:13:55,463 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 22:13:55,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:13:55,464 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/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 22:13:55,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a5159d8-518d-4975-b498-7962de611226/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-06 22:13:56,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:13:56,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-06 22:13:56,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:15:01,695 WARN L293 SmtUtils]: Spent 18.82s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-06 22:16:09,620 WARN L293 SmtUtils]: Spent 22.49s on a formula simplification that was a NOOP. DAG size: 46 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)