./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-50.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27accb37-85ba-431e-bcc2-c655e04e5223/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27accb37-85ba-431e-bcc2-c655e04e5223/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_27accb37-85ba-431e-bcc2-c655e04e5223/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27accb37-85ba-431e-bcc2-c655e04e5223/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27accb37-85ba-431e-bcc2-c655e04e5223/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_27accb37-85ba-431e-bcc2-c655e04e5223/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 1fa7c82a4f7bc22dc8d07abee8ad4d9df1173f8da71948b5261089ad194d3531 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:03:01,521 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:03:01,640 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27accb37-85ba-431e-bcc2-c655e04e5223/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 23:03:01,652 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:03:01,653 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:03:01,695 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:03:01,696 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:03:01,697 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:03:01,699 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:03:01,704 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:03:01,706 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:03:01,707 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:03:01,707 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:03:01,710 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:03:01,710 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:03:01,711 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:03:01,711 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:03:01,712 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:03:01,712 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:03:01,713 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:03:01,713 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:03:01,714 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:03:01,715 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:03:01,715 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:03:01,716 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:03:01,717 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:03:01,717 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:03:01,717 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:03:01,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:03:01,718 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:03:01,719 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:03:01,719 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:03:01,720 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:03:01,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 23:03:01,721 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:03:01,721 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:03:01,721 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:03:01,721 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:03:01,722 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:03:01,722 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_27accb37-85ba-431e-bcc2-c655e04e5223/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27accb37-85ba-431e-bcc2-c655e04e5223/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fa7c82a4f7bc22dc8d07abee8ad4d9df1173f8da71948b5261089ad194d3531 [2023-11-06 23:03:02,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:03:02,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:03:02,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:03:02,114 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:03:02,114 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:03:02,116 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27accb37-85ba-431e-bcc2-c655e04e5223/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-50.i [2023-11-06 23:03:05,317 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:03:05,515 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:03:05,516 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27accb37-85ba-431e-bcc2-c655e04e5223/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-50.i [2023-11-06 23:03:05,525 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27accb37-85ba-431e-bcc2-c655e04e5223/bin/uautomizer-verify-WvqO1wxjHP/data/1e486e639/0b6aff3aa91149f79a3ec0ec224210c8/FLAG1f2ae50e4 [2023-11-06 23:03:05,538 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27accb37-85ba-431e-bcc2-c655e04e5223/bin/uautomizer-verify-WvqO1wxjHP/data/1e486e639/0b6aff3aa91149f79a3ec0ec224210c8 [2023-11-06 23:03:05,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:03:05,542 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:03:05,544 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:03:05,545 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:03:05,551 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:03:05,551 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:03:05" (1/1) ... [2023-11-06 23:03:05,553 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e9d0a3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:05, skipping insertion in model container [2023-11-06 23:03:05,553 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:03:05" (1/1) ... [2023-11-06 23:03:05,599 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:03:05,746 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_27accb37-85ba-431e-bcc2-c655e04e5223/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-50.i[915,928] [2023-11-06 23:03:05,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:03:05,816 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:03:05,830 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_27accb37-85ba-431e-bcc2-c655e04e5223/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-50.i[915,928] [2023-11-06 23:03:05,853 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:03:05,895 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:03:05,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:05 WrapperNode [2023-11-06 23:03:05,896 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:03:05,897 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:03:05,898 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:03:05,898 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:03:05,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:05" (1/1) ... [2023-11-06 23:03:05,941 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:05" (1/1) ... [2023-11-06 23:03:05,994 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2023-11-06 23:03:05,999 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:03:05,999 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:03:06,000 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:03:06,000 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:03:06,012 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:05" (1/1) ... [2023-11-06 23:03:06,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:05" (1/1) ... [2023-11-06 23:03:06,032 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:05" (1/1) ... [2023-11-06 23:03:06,032 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:05" (1/1) ... [2023-11-06 23:03:06,041 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:05" (1/1) ... [2023-11-06 23:03:06,059 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:05" (1/1) ... [2023-11-06 23:03:06,061 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:05" (1/1) ... [2023-11-06 23:03:06,063 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:05" (1/1) ... [2023-11-06 23:03:06,066 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:03:06,067 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:03:06,067 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:03:06,067 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:03:06,068 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:05" (1/1) ... [2023-11-06 23:03:06,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:03:06,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27accb37-85ba-431e-bcc2-c655e04e5223/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:03:06,123 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27accb37-85ba-431e-bcc2-c655e04e5223/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:03:06,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27accb37-85ba-431e-bcc2-c655e04e5223/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:03:06,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:03:06,168 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 23:03:06,169 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 23:03:06,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:03:06,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:03:06,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:03:06,315 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:03:06,318 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:03:06,630 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:03:06,637 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:03:06,637 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 23:03:06,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:03:06 BoogieIcfgContainer [2023-11-06 23:03:06,639 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:03:06,642 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:03:06,642 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:03:06,652 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:03:06,652 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:03:05" (1/3) ... [2023-11-06 23:03:06,653 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@528a8fcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:03:06, skipping insertion in model container [2023-11-06 23:03:06,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:05" (2/3) ... [2023-11-06 23:03:06,655 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@528a8fcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:03:06, skipping insertion in model container [2023-11-06 23:03:06,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:03:06" (3/3) ... [2023-11-06 23:03:06,656 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-50.i [2023-11-06 23:03:06,704 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:03:06,704 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:03:06,762 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:03:06,770 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;@dcfb862, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:03:06,770 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:03:06,775 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-06 23:03:06,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-06 23:03:06,794 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:06,796 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:06,798 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:06,806 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:06,807 INFO L85 PathProgramCache]: Analyzing trace with hash -166685051, now seen corresponding path program 1 times [2023-11-06 23:03:06,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:06,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660591750] [2023-11-06 23:03:06,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:06,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:07,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 23:03:07,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:07,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-06 23:03:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:07,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-06 23:03:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:07,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-06 23:03:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:07,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-06 23:03:07,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:07,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 23:03:07,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:07,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-06 23:03:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:07,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2023-11-06 23:03:07,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:07,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-11-06 23:03:07,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:07,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-06 23:03:07,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:07,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-06 23:03:07,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:07,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-11-06 23:03:07,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:07,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2023-11-06 23:03:07,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:07,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-06 23:03:07,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:07,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-11-06 23:03:07,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:07,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-11-06 23:03:07,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:07,327 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2023-11-06 23:03:07,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:03:07,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660591750] [2023-11-06 23:03:07,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660591750] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:07,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:07,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:03:07,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196100461] [2023-11-06 23:03:07,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:07,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 23:03:07,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:03:07,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 23:03:07,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:03:07,390 INFO L87 Difference]: Start difference. First operand has 54 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-06 23:03:07,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:07,421 INFO L93 Difference]: Finished difference Result 105 states and 169 transitions. [2023-11-06 23:03:07,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 23:03:07,423 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 105 [2023-11-06 23:03:07,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:07,431 INFO L225 Difference]: With dead ends: 105 [2023-11-06 23:03:07,431 INFO L226 Difference]: Without dead ends: 50 [2023-11-06 23:03:07,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 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 23:03:07,439 INFO L413 NwaCegarLoop]: 75 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, 75 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 23:03:07,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:03:07,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-06 23:03:07,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-06 23:03:07,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-06 23:03:07,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 71 transitions. [2023-11-06 23:03:07,520 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 71 transitions. Word has length 105 [2023-11-06 23:03:07,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:07,521 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 71 transitions. [2023-11-06 23:03:07,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-06 23:03:07,522 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2023-11-06 23:03:07,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-06 23:03:07,525 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:07,525 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:07,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 23:03:07,526 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:07,527 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:07,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1819117955, now seen corresponding path program 1 times [2023-11-06 23:03:07,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:03:07,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802262500] [2023-11-06 23:03:07,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:07,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:03:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:03:07,789 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:03:07,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:03:08,020 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:03:08,021 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 23:03:08,023 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 23:03:08,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 23:03:08,029 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-06 23:03:08,033 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 23:03:08,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 11:03:08 BoogieIcfgContainer [2023-11-06 23:03:08,179 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 23:03:08,180 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:03:08,180 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:03:08,181 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:03:08,181 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:03:06" (3/4) ... [2023-11-06 23:03:08,185 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 23:03:08,187 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:03:08,188 INFO L158 Benchmark]: Toolchain (without parser) took 2645.39ms. Allocated memory is still 148.9MB. Free memory was 99.9MB in the beginning and 110.4MB in the end (delta: -10.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:03:08,189 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:03:08,191 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.25ms. Allocated memory is still 148.9MB. Free memory was 99.9MB in the beginning and 87.4MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 23:03:08,198 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.40ms. Allocated memory is still 148.9MB. Free memory was 87.4MB in the beginning and 85.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:03:08,198 INFO L158 Benchmark]: Boogie Preprocessor took 66.57ms. Allocated memory is still 148.9MB. Free memory was 85.0MB in the beginning and 83.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:03:08,199 INFO L158 Benchmark]: RCFGBuilder took 572.80ms. Allocated memory is still 148.9MB. Free memory was 83.5MB in the beginning and 68.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 23:03:08,200 INFO L158 Benchmark]: TraceAbstraction took 1536.73ms. Allocated memory is still 148.9MB. Free memory was 68.2MB in the beginning and 111.1MB in the end (delta: -42.9MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2023-11-06 23:03:08,201 INFO L158 Benchmark]: Witness Printer took 7.05ms. Allocated memory is still 148.9MB. Free memory was 111.1MB in the beginning and 110.4MB in the end (delta: 763.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:03:08,211 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 352.25ms. Allocated memory is still 148.9MB. Free memory was 99.9MB in the beginning and 87.4MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.40ms. Allocated memory is still 148.9MB. Free memory was 87.4MB in the beginning and 85.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.57ms. Allocated memory is still 148.9MB. Free memory was 85.0MB in the beginning and 83.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 572.80ms. Allocated memory is still 148.9MB. Free memory was 83.5MB in the beginning and 68.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1536.73ms. Allocated memory is still 148.9MB. Free memory was 68.2MB in the beginning and 111.1MB in the end (delta: -42.9MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Witness Printer took 7.05ms. Allocated memory is still 148.9MB. Free memory was 111.1MB in the beginning and 110.4MB in the end (delta: 763.2kB). Peak memory consumption was 2.1MB. 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 100. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] double var_1_2 = 8.875; [L24] double var_1_3 = 63.5; [L25] double var_1_4 = 16.6; [L26] double var_1_5 = 127.8; [L27] unsigned char var_1_6 = 0; [L28] unsigned char var_1_7 = 0; [L29] unsigned char var_1_8 = 1; [L30] signed short int var_1_9 = 256; [L31] signed short int var_1_10 = 10000; [L32] signed short int var_1_11 = 4; [L33] signed short int var_1_12 = -32; [L34] signed long int var_1_13 = 32; [L35] signed short int var_1_14 = 32; [L36] signed long int last_1_var_1_13 = 32; VAL [isInitial=0, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_2=71/8, var_1_3=127/2, var_1_4=83/5, var_1_5=639/5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L104] isInitial = 1 [L105] FCALL initially() [L106] int k_loop; [L107] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_2=71/8, var_1_3=127/2, var_1_4=83/5, var_1_5=639/5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L107] COND TRUE k_loop < 1 [L108] CALL updateLastVariables() [L97] last_1_var_1_13 = var_1_13 VAL [isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_2=71/8, var_1_3=127/2, var_1_4=83/5, var_1_5=639/5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L108] RET updateLastVariables() [L109] CALL updateVariables() [L69] var_1_2 = __VERIFIER_nondet_double() [L70] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=127/2, var_1_4=83/5, var_1_5=639/5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=127/2, var_1_4=83/5, var_1_5=639/5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L70] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=127/2, var_1_4=83/5, var_1_5=639/5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L71] var_1_3 = __VERIFIER_nondet_double() [L72] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=83/5, var_1_5=639/5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=83/5, var_1_5=639/5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L72] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=83/5, var_1_5=639/5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L73] var_1_4 = __VERIFIER_nondet_double() [L74] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=639/5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=639/5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L74] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=639/5, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L75] var_1_5 = __VERIFIER_nondet_double() [L76] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L76] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L77] var_1_6 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L78] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L79] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L79] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L80] var_1_7 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L81] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L82] CALL assume_abort_if_not(var_1_7 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L82] RET assume_abort_if_not(var_1_7 <= 0) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L83] var_1_8 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_8 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L84] RET assume_abort_if_not(var_1_8 >= 1) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L85] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L85] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=10000, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L86] var_1_10 = __VERIFIER_nondet_short() [L87] CALL assume_abort_if_not(var_1_10 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=32766, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=32, var_1_10=32766, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L87] RET assume_abort_if_not(var_1_10 >= -1) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=32766, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L88] CALL assume_abort_if_not(var_1_10 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=32766, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=32, var_1_10=32766, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L88] RET assume_abort_if_not(var_1_10 <= 32766) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=32766, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L89] var_1_11 = __VERIFIER_nondet_short() [L90] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=32766, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=32, var_1_10=32766, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L90] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=32766, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L91] CALL assume_abort_if_not(var_1_11 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=32766, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=32, var_1_10=32766, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L91] RET assume_abort_if_not(var_1_11 <= 32766) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=32766, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=32, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L92] var_1_14 = __VERIFIER_nondet_short() [L93] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=32766, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=0, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=32, var_1_10=32766, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=0, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L93] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=32766, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=0, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L94] CALL assume_abort_if_not(var_1_14 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=32, var_1_10=32766, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=0, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_13=32, var_1_10=32766, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=0, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L94] RET assume_abort_if_not(var_1_14 <= 32767) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=32766, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=0, var_1_1=1, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L109] RET updateVariables() [L110] CALL step() [L40] COND FALSE !((((((var_1_2 + var_1_3)) < ((var_1_4 - var_1_5))) ? ((var_1_2 + var_1_3)) : ((var_1_4 - var_1_5)))) != 31.9) [L47] var_1_1 = var_1_7 VAL [isInitial=1, last_1_var_1_13=32, var_1_10=32766, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=0, var_1_1=0, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=256] [L49] COND TRUE var_1_2 > var_1_5 [L50] var_1_9 = (var_1_10 - var_1_11) VAL [isInitial=1, last_1_var_1_13=32, var_1_10=32766, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=0, var_1_1=0, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=32762] [L52] unsigned char stepLocal_0 = var_1_8; VAL [isInitial=1, last_1_var_1_13=32, stepLocal_0=1, var_1_10=32766, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=0, var_1_1=0, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=32762] [L53] COND FALSE !(var_1_1 && stepLocal_0) VAL [isInitial=1, last_1_var_1_13=32, stepLocal_0=1, var_1_10=32766, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=0, var_1_1=0, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=32762] [L56] signed short int stepLocal_2 = var_1_9; [L57] signed long int stepLocal_1 = var_1_11 - var_1_14; VAL [isInitial=1, last_1_var_1_13=32, stepLocal_0=1, stepLocal_1=4, stepLocal_2=32762, var_1_10=32766, var_1_11=4, var_1_12=-32, var_1_13=32, var_1_14=0, var_1_1=0, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=32762] [L58] COND TRUE var_1_11 <= stepLocal_2 [L59] var_1_13 = (var_1_10 - var_1_11) VAL [isInitial=1, last_1_var_1_13=32, stepLocal_0=1, stepLocal_1=4, stepLocal_2=32762, var_1_10=32766, var_1_11=4, var_1_12=-32, var_1_13=32762, var_1_14=0, var_1_1=0, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=32762] [L110] RET step() [L111] CALL, EXPR property() [L100-L101] return (((((((((var_1_2 + var_1_3)) < ((var_1_4 - var_1_5))) ? ((var_1_2 + var_1_3)) : ((var_1_4 - var_1_5)))) != 31.9) ? (var_1_6 ? (var_1_1 == ((unsigned char) var_1_7)) : (var_1_1 == ((unsigned char) var_1_8))) : (var_1_1 == ((unsigned char) var_1_7))) && ((var_1_2 > var_1_5) ? (var_1_9 == ((signed short int) (var_1_10 - var_1_11))) : 1)) && ((var_1_1 && var_1_8) ? (var_1_12 == ((signed short int) (var_1_11 - 1))) : 1)) && ((var_1_11 <= var_1_9) ? (var_1_13 == ((signed long int) (var_1_10 - var_1_11))) : ((last_1_var_1_13 > (var_1_11 - var_1_14)) ? (var_1_13 == ((signed long int) last_1_var_1_13)) : (var_1_13 == ((signed long int) last_1_var_1_13)))) ; VAL [\result=0, isInitial=1, last_1_var_1_13=32, var_1_10=32766, var_1_11=4, var_1_12=-32, var_1_13=32762, var_1_14=0, var_1_1=0, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=32762] [L111] RET, EXPR property() [L111] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=32, var_1_10=32766, var_1_11=4, var_1_12=-32, var_1_13=32762, var_1_14=0, var_1_1=0, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=32762] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=32, var_1_10=32766, var_1_11=4, var_1_12=-32, var_1_13=32762, var_1_14=0, var_1_1=0, var_1_3=32772, var_1_4=32771, var_1_5=32773, var_1_6=0, var_1_7=0, var_1_8=1, var_1_9=32762] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 75 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 75 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 210 NumberOfCodeBlocks, 210 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 104 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 480/480 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 23:03:08,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27accb37-85ba-431e-bcc2-c655e04e5223/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27accb37-85ba-431e-bcc2-c655e04e5223/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27accb37-85ba-431e-bcc2-c655e04e5223/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_27accb37-85ba-431e-bcc2-c655e04e5223/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27accb37-85ba-431e-bcc2-c655e04e5223/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27accb37-85ba-431e-bcc2-c655e04e5223/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_27accb37-85ba-431e-bcc2-c655e04e5223/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 1fa7c82a4f7bc22dc8d07abee8ad4d9df1173f8da71948b5261089ad194d3531 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:03:11,045 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:03:11,129 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27accb37-85ba-431e-bcc2-c655e04e5223/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 23:03:11,135 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:03:11,136 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:03:11,189 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:03:11,190 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:03:11,190 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:03:11,192 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 23:03:11,197 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 23:03:11,198 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:03:11,199 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:03:11,200 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:03:11,202 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:03:11,203 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 23:03:11,203 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:03:11,204 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:03:11,204 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:03:11,205 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 23:03:11,205 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 23:03:11,206 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 23:03:11,206 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 23:03:11,207 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 23:03:11,207 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 23:03:11,208 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:03:11,208 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:03:11,209 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:03:11,209 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:03:11,209 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:03:11,210 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 23:03:11,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:03:11,212 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:03:11,212 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 23:03:11,213 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 23:03:11,213 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 23:03:11,213 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 23:03:11,213 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 23:03:11,214 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 23:03:11,214 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 23:03:11,215 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 23:03:11,215 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 23:03:11,216 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 23:03:11,216 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_27accb37-85ba-431e-bcc2-c655e04e5223/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27accb37-85ba-431e-bcc2-c655e04e5223/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fa7c82a4f7bc22dc8d07abee8ad4d9df1173f8da71948b5261089ad194d3531 [2023-11-06 23:03:11,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:03:11,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:03:11,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:03:11,724 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:03:11,724 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:03:11,726 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27accb37-85ba-431e-bcc2-c655e04e5223/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-50.i [2023-11-06 23:03:14,938 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:03:15,247 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:03:15,248 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27accb37-85ba-431e-bcc2-c655e04e5223/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-50.i [2023-11-06 23:03:15,257 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27accb37-85ba-431e-bcc2-c655e04e5223/bin/uautomizer-verify-WvqO1wxjHP/data/7376bdac0/7ac8788fd4d84087ad5f46b2d8e0d7d7/FLAG03452e8c2 [2023-11-06 23:03:15,272 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27accb37-85ba-431e-bcc2-c655e04e5223/bin/uautomizer-verify-WvqO1wxjHP/data/7376bdac0/7ac8788fd4d84087ad5f46b2d8e0d7d7 [2023-11-06 23:03:15,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:03:15,276 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:03:15,278 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:03:15,278 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:03:15,286 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:03:15,287 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:03:15" (1/1) ... [2023-11-06 23:03:15,288 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d6d4cd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:15, skipping insertion in model container [2023-11-06 23:03:15,288 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:03:15" (1/1) ... [2023-11-06 23:03:15,327 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:03:15,483 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_27accb37-85ba-431e-bcc2-c655e04e5223/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-50.i[915,928] [2023-11-06 23:03:15,543 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:03:15,559 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:03:15,572 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_27accb37-85ba-431e-bcc2-c655e04e5223/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-50.i[915,928] [2023-11-06 23:03:15,593 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:03:15,612 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:03:15,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:15 WrapperNode [2023-11-06 23:03:15,613 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:03:15,614 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:03:15,615 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:03:15,615 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:03:15,623 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:15" (1/1) ... [2023-11-06 23:03:15,637 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:15" (1/1) ... [2023-11-06 23:03:15,705 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2023-11-06 23:03:15,705 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:03:15,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:03:15,706 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:03:15,706 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:03:15,718 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:15" (1/1) ... [2023-11-06 23:03:15,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:15" (1/1) ... [2023-11-06 23:03:15,742 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:15" (1/1) ... [2023-11-06 23:03:15,743 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:15" (1/1) ... [2023-11-06 23:03:15,753 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:15" (1/1) ... [2023-11-06 23:03:15,769 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:15" (1/1) ... [2023-11-06 23:03:15,771 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:15" (1/1) ... [2023-11-06 23:03:15,773 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:15" (1/1) ... [2023-11-06 23:03:15,777 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:03:15,778 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:03:15,778 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:03:15,778 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:03:15,779 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:15" (1/1) ... [2023-11-06 23:03:15,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 23:03:15,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27accb37-85ba-431e-bcc2-c655e04e5223/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:03:15,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27accb37-85ba-431e-bcc2-c655e04e5223/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 23:03:15,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27accb37-85ba-431e-bcc2-c655e04e5223/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 23:03:15,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:03:15,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 23:03:15,882 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 23:03:15,883 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 23:03:15,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:03:15,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:03:16,018 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:03:16,020 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:03:19,184 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:03:19,191 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:03:19,192 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 23:03:19,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:03:19 BoogieIcfgContainer [2023-11-06 23:03:19,194 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:03:19,197 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 23:03:19,197 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 23:03:19,201 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 23:03:19,201 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:03:15" (1/3) ... [2023-11-06 23:03:19,202 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d4f0dbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:03:19, skipping insertion in model container [2023-11-06 23:03:19,202 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:03:15" (2/3) ... [2023-11-06 23:03:19,203 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d4f0dbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:03:19, skipping insertion in model container [2023-11-06 23:03:19,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:03:19" (3/3) ... [2023-11-06 23:03:19,204 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-50.i [2023-11-06 23:03:19,225 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 23:03:19,225 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 23:03:19,272 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 23:03:19,279 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;@b9552b8, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 23:03:19,280 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 23:03:19,283 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-06 23:03:19,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-06 23:03:19,298 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:19,299 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:19,299 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:19,305 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:19,305 INFO L85 PathProgramCache]: Analyzing trace with hash -166685051, now seen corresponding path program 1 times [2023-11-06 23:03:19,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:03:19,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1684449279] [2023-11-06 23:03:19,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:19,318 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 23:03:19,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27accb37-85ba-431e-bcc2-c655e04e5223/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:03:19,328 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27accb37-85ba-431e-bcc2-c655e04e5223/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 23:03:19,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27accb37-85ba-431e-bcc2-c655e04e5223/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 23:03:19,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:19,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 23:03:19,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:19,837 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2023-11-06 23:03:19,839 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:03:19,840 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 23:03:19,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1684449279] [2023-11-06 23:03:19,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1684449279] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:03:19,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:03:19,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 23:03:19,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958498158] [2023-11-06 23:03:19,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:03:19,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 23:03:19,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 23:03:19,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 23:03:19,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 23:03:19,895 INFO L87 Difference]: Start difference. First operand has 54 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-06 23:03:19,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:03:19,925 INFO L93 Difference]: Finished difference Result 105 states and 169 transitions. [2023-11-06 23:03:19,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 23:03:19,927 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 105 [2023-11-06 23:03:19,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 23:03:19,935 INFO L225 Difference]: With dead ends: 105 [2023-11-06 23:03:19,935 INFO L226 Difference]: Without dead ends: 50 [2023-11-06 23:03:19,939 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 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 23:03:19,942 INFO L413 NwaCegarLoop]: 75 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, 75 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 23:03:19,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 23:03:19,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-06 23:03:19,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-06 23:03:19,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-06 23:03:19,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 71 transitions. [2023-11-06 23:03:20,001 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 71 transitions. Word has length 105 [2023-11-06 23:03:20,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 23:03:20,002 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 71 transitions. [2023-11-06 23:03:20,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2023-11-06 23:03:20,003 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 71 transitions. [2023-11-06 23:03:20,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-06 23:03:20,012 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 23:03:20,012 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:03:20,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27accb37-85ba-431e-bcc2-c655e04e5223/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 23:03:20,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27accb37-85ba-431e-bcc2-c655e04e5223/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 23:03:20,229 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 23:03:20,230 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:03:20,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1819117955, now seen corresponding path program 1 times [2023-11-06 23:03:20,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 23:03:20,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [407280168] [2023-11-06 23:03:20,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:03:20,232 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 23:03:20,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27accb37-85ba-431e-bcc2-c655e04e5223/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 23:03:20,234 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27accb37-85ba-431e-bcc2-c655e04e5223/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 23:03:20,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27accb37-85ba-431e-bcc2-c655e04e5223/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 23:03:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:03:20,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-06 23:03:20,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:03:52,770 WARN L293 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-06 23:04:34,136 WARN L293 SmtUtils]: Spent 13.67s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-06 23:05:54,130 WARN L293 SmtUtils]: Spent 16.80s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-06 23:06:18,955 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ sign_extend 16) c_~var_1_10~0)) (.cse1 ((_ sign_extend 16) c_~var_1_11~0))) (let ((.cse0 (bvadd .cse2 (bvneg .cse1)))) (and (= c_~var_1_13~0 .cse0) (bvsle ((_ zero_extend 24) c_~var_1_7~0) (_ bv0 32)) (= c_~var_1_7~0 c_~var_1_1~0) (= c_~var_1_9~0 ((_ extract 15 0) .cse0)) (bvsge .cse1 (_ bv0 32)) (bvsle .cse1 ((_ sign_extend 16) c_~var_1_9~0)) (bvsge .cse2 (_ bv4294967295 32)) (let ((.cse3 (fp.add c_currentRoundingMode c_~var_1_2~0 c_~var_1_3~0)) (.cse6 (fp.sub c_currentRoundingMode c_~var_1_4~0 c_~var_1_5~0))) (let ((.cse4 ((_ to_fp 11 53) c_currentRoundingMode (/ 319.0 10.0))) (.cse5 (fp.lt .cse3 .cse6))) (or (and (fp.eq .cse3 .cse4) .cse5) (and (fp.eq .cse6 .cse4) (not .cse5)))))))) is different from false