./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.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_0a523828-4921-49d7-aba8-83b632f855d8/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a523828-4921-49d7-aba8-83b632f855d8/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_0a523828-4921-49d7-aba8-83b632f855d8/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a523828-4921-49d7-aba8-83b632f855d8/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a523828-4921-49d7-aba8-83b632f855d8/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_0a523828-4921-49d7-aba8-83b632f855d8/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 4a308eb18926ee1b904bfd6b10e1895d29d262c0ba78b97b1e51aab5a345984c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:30:34,921 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:30:34,999 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a523828-4921-49d7-aba8-83b632f855d8/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:30:35,006 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:30:35,006 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:30:35,036 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:30:35,036 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:30:35,037 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:30:35,038 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:30:35,039 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:30:35,039 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:30:35,040 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:30:35,041 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:30:35,041 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:30:35,042 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:30:35,042 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:30:35,043 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:30:35,043 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:30:35,044 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:30:35,066 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:30:35,072 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:30:35,073 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:30:35,073 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:30:35,074 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:30:35,074 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:30:35,075 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:30:35,076 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:30:35,076 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:30:35,077 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:30:35,078 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:30:35,079 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:30:35,080 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:30:35,080 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:30:35,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:30:35,080 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:30:35,081 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:30:35,081 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:30:35,081 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:30:35,082 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:30:35,082 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_0a523828-4921-49d7-aba8-83b632f855d8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a523828-4921-49d7-aba8-83b632f855d8/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a308eb18926ee1b904bfd6b10e1895d29d262c0ba78b97b1e51aab5a345984c [2023-11-06 22:30:35,417 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:30:35,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:30:35,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:30:35,471 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:30:35,472 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:30:35,474 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a523828-4921-49d7-aba8-83b632f855d8/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i [2023-11-06 22:30:38,906 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:30:39,145 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:30:39,146 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a523828-4921-49d7-aba8-83b632f855d8/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i [2023-11-06 22:30:39,158 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a523828-4921-49d7-aba8-83b632f855d8/bin/uautomizer-verify-WvqO1wxjHP/data/5925e646e/c637daa1bb474fe69a3d76e991d81af8/FLAGb8fb91993 [2023-11-06 22:30:39,176 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a523828-4921-49d7-aba8-83b632f855d8/bin/uautomizer-verify-WvqO1wxjHP/data/5925e646e/c637daa1bb474fe69a3d76e991d81af8 [2023-11-06 22:30:39,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:30:39,181 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:30:39,183 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:30:39,183 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:30:39,189 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:30:39,190 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:30:39" (1/1) ... [2023-11-06 22:30:39,192 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6160bc57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:39, skipping insertion in model container [2023-11-06 22:30:39,192 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:30:39" (1/1) ... [2023-11-06 22:30:39,226 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:30:39,449 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_0a523828-4921-49d7-aba8-83b632f855d8/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i[915,928] [2023-11-06 22:30:39,525 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:30:39,542 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:30:39,562 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_0a523828-4921-49d7-aba8-83b632f855d8/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i[915,928] [2023-11-06 22:30:39,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:30:39,615 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:30:39,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:39 WrapperNode [2023-11-06 22:30:39,616 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:30:39,618 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:30:39,618 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:30:39,618 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:30:39,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:39" (1/1) ... [2023-11-06 22:30:39,659 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:39" (1/1) ... [2023-11-06 22:30:39,702 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 96 [2023-11-06 22:30:39,703 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:30:39,704 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:30:39,705 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:30:39,705 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:30:39,716 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:39" (1/1) ... [2023-11-06 22:30:39,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:39" (1/1) ... [2023-11-06 22:30:39,722 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:39" (1/1) ... [2023-11-06 22:30:39,722 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:39" (1/1) ... [2023-11-06 22:30:39,737 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:39" (1/1) ... [2023-11-06 22:30:39,741 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:39" (1/1) ... [2023-11-06 22:30:39,743 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:39" (1/1) ... [2023-11-06 22:30:39,744 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:39" (1/1) ... [2023-11-06 22:30:39,747 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:30:39,748 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:30:39,748 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:30:39,757 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:30:39,758 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:39" (1/1) ... [2023-11-06 22:30:39,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:30:39,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a523828-4921-49d7-aba8-83b632f855d8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:30:39,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a523828-4921-49d7-aba8-83b632f855d8/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:30:39,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a523828-4921-49d7-aba8-83b632f855d8/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:30:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:30:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:30:39,856 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:30:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:30:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:30:39,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:30:39,966 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:30:39,969 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:30:40,225 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:30:40,233 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:30:40,234 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:30:40,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:30:40 BoogieIcfgContainer [2023-11-06 22:30:40,236 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:30:40,240 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:30:40,240 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:30:40,244 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:30:40,244 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:30:39" (1/3) ... [2023-11-06 22:30:40,245 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@152d4ac0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:30:40, skipping insertion in model container [2023-11-06 22:30:40,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:39" (2/3) ... [2023-11-06 22:30:40,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@152d4ac0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:30:40, skipping insertion in model container [2023-11-06 22:30:40,247 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:30:40" (3/3) ... [2023-11-06 22:30:40,248 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-46.i [2023-11-06 22:30:40,272 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:30:40,272 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:30:40,335 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:30:40,344 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;@7385b954, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:30:40,344 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:30:40,350 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 28 states have (on average 1.25) internal successors, (35), 29 states have internal predecessors, (35), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-06 22:30:40,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-06 22:30:40,366 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:30:40,368 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:30:40,369 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:30:40,377 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:30:40,378 INFO L85 PathProgramCache]: Analyzing trace with hash -2106783137, now seen corresponding path program 1 times [2023-11-06 22:30:40,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:30:40,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704397582] [2023-11-06 22:30:40,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:30:40,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:30:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:30:40,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-06 22:30:40,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:30:40,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:30:40,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:30:40,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:30:40,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:30:40,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-06 22:30:40,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:30:40,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-06 22:30:40,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:30:40,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 22:30:40,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:30:40,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-11-06 22:30:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:30:40,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-06 22:30:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:30:40,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-06 22:30:40,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:30:40,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2023-11-06 22:30:40,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:30:40,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2023-11-06 22:30:40,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:30:40,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-11-06 22:30:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:30:40,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2023-11-06 22:30:40,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:30:40,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-11-06 22:30:40,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:30:40,926 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-06 22:30:40,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:30:40,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704397582] [2023-11-06 22:30:40,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704397582] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:30:40,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:30:40,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:30:40,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588486170] [2023-11-06 22:30:40,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:30:40,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:30:40,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:30:40,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:30:40,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:30:40,975 INFO L87 Difference]: Start difference. First operand has 45 states, 28 states have (on average 1.25) internal successors, (35), 29 states have internal predecessors, (35), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-06 22:30:41,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:30:41,024 INFO L93 Difference]: Finished difference Result 83 states and 134 transitions. [2023-11-06 22:30:41,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:30:41,027 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 90 [2023-11-06 22:30:41,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:30:41,039 INFO L225 Difference]: With dead ends: 83 [2023-11-06 22:30:41,040 INFO L226 Difference]: Without dead ends: 41 [2023-11-06 22:30:41,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:30:41,052 INFO L413 NwaCegarLoop]: 56 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, 56 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:30:41,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:30:41,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-11-06 22:30:41,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-11-06 22:30:41,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 25 states have (on average 1.12) internal successors, (28), 25 states have internal predecessors, (28), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-06 22:30:41,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions. [2023-11-06 22:30:41,130 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 90 [2023-11-06 22:30:41,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:30:41,132 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions. [2023-11-06 22:30:41,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-06 22:30:41,134 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2023-11-06 22:30:41,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-06 22:30:41,143 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:30:41,144 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:30:41,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:30:41,145 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:30:41,146 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:30:41,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1448015593, now seen corresponding path program 1 times [2023-11-06 22:30:41,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:30:41,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153782729] [2023-11-06 22:30:41,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:30:41,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:30:41,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:30:41,392 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:30:41,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:30:41,498 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:30:41,499 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:30:41,501 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:30:41,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:30:41,508 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-06 22:30:41,513 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:30:41,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:30:41 BoogieIcfgContainer [2023-11-06 22:30:41,625 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:30:41,628 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:30:41,628 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:30:41,628 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:30:41,629 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:30:40" (3/4) ... [2023-11-06 22:30:41,633 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:30:41,634 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:30:41,635 INFO L158 Benchmark]: Toolchain (without parser) took 2453.91ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 121.7MB in the beginning and 135.4MB in the end (delta: -13.7MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2023-11-06 22:30:41,637 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 167.8MB. Free memory is still 140.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:30:41,641 INFO L158 Benchmark]: CACSL2BoogieTranslator took 433.99ms. Allocated memory is still 167.8MB. Free memory was 121.5MB in the beginning and 110.1MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:30:41,642 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.71ms. Allocated memory is still 167.8MB. Free memory was 109.9MB in the beginning and 108.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:30:41,643 INFO L158 Benchmark]: Boogie Preprocessor took 42.79ms. Allocated memory is still 167.8MB. Free memory was 108.3MB in the beginning and 106.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:30:41,647 INFO L158 Benchmark]: RCFGBuilder took 489.14ms. Allocated memory is still 167.8MB. Free memory was 106.9MB in the beginning and 94.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-06 22:30:41,648 INFO L158 Benchmark]: TraceAbstraction took 1386.88ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 93.6MB in the beginning and 135.4MB in the end (delta: -41.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:30:41,649 INFO L158 Benchmark]: Witness Printer took 6.59ms. Allocated memory is still 201.3MB. Free memory is still 135.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:30:41,656 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 167.8MB. Free memory is still 140.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 433.99ms. Allocated memory is still 167.8MB. Free memory was 121.5MB in the beginning and 110.1MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.71ms. Allocated memory is still 167.8MB. Free memory was 109.9MB in the beginning and 108.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.79ms. Allocated memory is still 167.8MB. Free memory was 108.3MB in the beginning and 106.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 489.14ms. Allocated memory is still 167.8MB. Free memory was 106.9MB in the beginning and 94.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1386.88ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 93.6MB in the beginning and 135.4MB in the end (delta: -41.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.59ms. Allocated memory is still 201.3MB. Free memory is still 135.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 74, overapproximation of someUnaryDOUBLEoperation at line 31. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 255.3; [L23] unsigned char var_1_2 = 0; [L24] double var_1_3 = 1000000000000.5; [L25] double var_1_4 = 999999999.125; [L26] signed long int var_1_5 = 0; [L27] signed long int var_1_6 = 100; [L28] signed long int var_1_7 = 256; [L29] signed long int var_1_8 = -5; [L30] double var_1_9 = 24.2; [L31] double var_1_10 = -0.125; [L32] double var_1_11 = -0.5; VAL [isInitial=0, var_1_1=2553/10, var_1_2=0, var_1_3=2000000000001/2, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L78] isInitial = 1 [L79] FCALL initially() [L80] COND TRUE 1 [L81] FCALL updateLastVariables() [L82] CALL updateVariables() [L47] var_1_2 = __VERIFIER_nondet_uchar() [L48] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_3=2000000000001/2, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=2553/10, var_1_3=2000000000001/2, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L48] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_1=2553/10, var_1_3=2000000000001/2, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L49] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=2000000000001/2, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=2000000000001/2, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L49] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=2000000000001/2, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L50] var_1_3 = __VERIFIER_nondet_double() [L51] CALL assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=1000000000005, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=1000000000005, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L51] RET assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=1000000000005, var_1_4=7999999993/8, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L52] var_1_4 = __VERIFIER_nondet_double() [L53] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L53] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=0, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L54] var_1_5 = __VERIFIER_nondet_long() [L55] CALL assume_abort_if_not(var_1_5 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L55] RET assume_abort_if_not(var_1_5 >= -2147483648) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L56] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L56] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=100, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L57] var_1_6 = __VERIFIER_nondet_long() [L58] CALL assume_abort_if_not(var_1_6 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L58] RET assume_abort_if_not(var_1_6 >= -2147483648) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L59] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L59] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=256, var_1_8=-5, var_1_9=121/5] [L60] var_1_7 = __VERIFIER_nondet_long() [L61] CALL assume_abort_if_not(var_1_7 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=-5, var_1_9=121/5] [L61] RET assume_abort_if_not(var_1_7 >= -2147483648) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=-5, var_1_9=121/5] [L62] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=-5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=-5, var_1_9=121/5] [L62] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=-5, var_1_9=121/5] [L63] var_1_8 = __VERIFIER_nondet_long() [L64] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5, var_1_9=121/5] [L64] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5, var_1_9=121/5] [L65] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5, var_1_9=121/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5, var_1_9=121/5] [L65] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5, var_1_9=121/5] [L66] var_1_9 = __VERIFIER_nondet_double() [L67] CALL assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5, var_1_9=1000000000006] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5, var_1_9=1000000000006] [L67] RET assume_abort_if_not((var_1_9 >= -461168.6018427382800e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=2553/10, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5, var_1_9=1000000000006] [L68] var_1_10 = __VERIFIER_nondet_double() [L69] CALL assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1000000000007, var_1_1=2553/10, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5, var_1_9=1000000000006] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1000000000007, var_1_1=2553/10, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5, var_1_9=1000000000006] [L69] RET assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1000000000007, var_1_1=2553/10, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5, var_1_9=1000000000006] [L82] RET updateVariables() [L83] CALL step() [L36] signed long int stepLocal_0 = (((((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) > (var_1_7)) ? (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) : (var_1_7)); VAL [isInitial=1, stepLocal_0=4, var_1_10=1000000000007, var_1_1=2553/10, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5, var_1_9=1000000000006] [L37] COND TRUE \read(var_1_2) [L38] var_1_1 = ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))) VAL [isInitial=1, stepLocal_0=4, var_1_10=1000000000007, var_1_1=1000000000005, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5, var_1_9=1000000000006] [L44] var_1_11 = var_1_3 VAL [isInitial=1, stepLocal_0=4, var_1_10=1000000000007, var_1_11=1000000000005, var_1_1=1000000000005, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5, var_1_9=1000000000006] [L83] RET step() [L84] CALL, EXPR property() [L74-L75] return (var_1_2 ? (var_1_1 == ((double) ((((var_1_3) > (var_1_4)) ? (var_1_3) : (var_1_4))))) : ((((((((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) > (var_1_7)) ? (((((var_1_5) < (var_1_6)) ? (var_1_5) : (var_1_6)))) : (var_1_7))) < var_1_8) ? (var_1_1 == ((double) (var_1_9 + var_1_10))) : 1)) && (var_1_11 == ((double) var_1_3)) ; VAL [\result=0, isInitial=1, var_1_10=1000000000007, var_1_11=1000000000005, var_1_1=1000000000005, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5, var_1_9=1000000000006] [L84] RET, EXPR property() [L84] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1000000000007, var_1_11=1000000000005, var_1_1=1000000000005, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5, var_1_9=1000000000006] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1000000000007, var_1_11=1000000000005, var_1_1=1000000000005, var_1_2=1, var_1_3=1000000000005, var_1_4=1000000000005, var_1_5=4, var_1_6=4, var_1_7=4, var_1_8=5, var_1_9=1000000000006] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 14, 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, 56 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, 56 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 89 ConstructedInterpolants, 0 QuantifiedInterpolants, 89 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 364/364 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-06 22:30:41,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a523828-4921-49d7-aba8-83b632f855d8/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_0a523828-4921-49d7-aba8-83b632f855d8/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a523828-4921-49d7-aba8-83b632f855d8/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_0a523828-4921-49d7-aba8-83b632f855d8/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a523828-4921-49d7-aba8-83b632f855d8/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a523828-4921-49d7-aba8-83b632f855d8/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_0a523828-4921-49d7-aba8-83b632f855d8/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 4a308eb18926ee1b904bfd6b10e1895d29d262c0ba78b97b1e51aab5a345984c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:30:44,901 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:30:45,060 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a523828-4921-49d7-aba8-83b632f855d8/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:30:45,070 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:30:45,071 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:30:45,126 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:30:45,127 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:30:45,128 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:30:45,130 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:30:45,136 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:30:45,137 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:30:45,138 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:30:45,138 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:30:45,141 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:30:45,142 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:30:45,142 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:30:45,143 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:30:45,143 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:30:45,144 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:30:45,145 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:30:45,146 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:30:45,146 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:30:45,147 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:30:45,147 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:30:45,148 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:30:45,148 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:30:45,149 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:30:45,149 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:30:45,150 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:30:45,150 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:30:45,152 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:30:45,153 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:30:45,153 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:30:45,154 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:30:45,154 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:30:45,154 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:30:45,155 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:30:45,155 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:30:45,155 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:30:45,157 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:30:45,157 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:30:45,157 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:30:45,158 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_0a523828-4921-49d7-aba8-83b632f855d8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a523828-4921-49d7-aba8-83b632f855d8/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4a308eb18926ee1b904bfd6b10e1895d29d262c0ba78b97b1e51aab5a345984c [2023-11-06 22:30:45,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:30:45,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:30:45,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:30:45,634 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:30:45,635 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:30:45,636 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a523828-4921-49d7-aba8-83b632f855d8/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i [2023-11-06 22:30:49,073 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:30:49,378 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:30:49,379 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a523828-4921-49d7-aba8-83b632f855d8/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i [2023-11-06 22:30:49,389 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a523828-4921-49d7-aba8-83b632f855d8/bin/uautomizer-verify-WvqO1wxjHP/data/edb8e9aef/0dbdd7936fd5457ca6a28b50090055c9/FLAGf146155ad [2023-11-06 22:30:49,404 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a523828-4921-49d7-aba8-83b632f855d8/bin/uautomizer-verify-WvqO1wxjHP/data/edb8e9aef/0dbdd7936fd5457ca6a28b50090055c9 [2023-11-06 22:30:49,407 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:30:49,408 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:30:49,410 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:30:49,410 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:30:49,418 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:30:49,419 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:30:49" (1/1) ... [2023-11-06 22:30:49,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69213714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:49, skipping insertion in model container [2023-11-06 22:30:49,421 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:30:49" (1/1) ... [2023-11-06 22:30:49,451 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:30:49,628 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_0a523828-4921-49d7-aba8-83b632f855d8/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i[915,928] [2023-11-06 22:30:49,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:30:49,690 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:30:49,706 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_0a523828-4921-49d7-aba8-83b632f855d8/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-46.i[915,928] [2023-11-06 22:30:49,725 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:30:49,746 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:30:49,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:49 WrapperNode [2023-11-06 22:30:49,747 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:30:49,749 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:30:49,749 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:30:49,749 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:30:49,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:49" (1/1) ... [2023-11-06 22:30:49,770 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:49" (1/1) ... [2023-11-06 22:30:49,800 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 92 [2023-11-06 22:30:49,801 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:30:49,802 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:30:49,802 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:30:49,802 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:30:49,813 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:49" (1/1) ... [2023-11-06 22:30:49,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:49" (1/1) ... [2023-11-06 22:30:49,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:49" (1/1) ... [2023-11-06 22:30:49,819 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:49" (1/1) ... [2023-11-06 22:30:49,829 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:49" (1/1) ... [2023-11-06 22:30:49,834 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:49" (1/1) ... [2023-11-06 22:30:49,837 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:49" (1/1) ... [2023-11-06 22:30:49,839 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:49" (1/1) ... [2023-11-06 22:30:49,844 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:30:49,845 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:30:49,845 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:30:49,845 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:30:49,846 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:49" (1/1) ... [2023-11-06 22:30:49,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:30:49,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a523828-4921-49d7-aba8-83b632f855d8/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:30:49,890 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a523828-4921-49d7-aba8-83b632f855d8/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:30:49,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a523828-4921-49d7-aba8-83b632f855d8/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:30:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:30:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:30:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:30:49,945 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:30:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:30:49,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:30:50,089 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:30:50,092 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:30:50,881 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:30:50,894 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:30:50,895 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:30:50,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:30:50 BoogieIcfgContainer [2023-11-06 22:30:50,898 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:30:50,901 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:30:50,901 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:30:50,905 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:30:50,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:30:49" (1/3) ... [2023-11-06 22:30:50,906 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62a12207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:30:50, skipping insertion in model container [2023-11-06 22:30:50,906 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:30:49" (2/3) ... [2023-11-06 22:30:50,907 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62a12207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:30:50, skipping insertion in model container [2023-11-06 22:30:50,907 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:30:50" (3/3) ... [2023-11-06 22:30:50,909 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-46.i [2023-11-06 22:30:50,932 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:30:50,932 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:30:50,993 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:30:51,001 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;@283ba05b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:30:51,002 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:30:51,007 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 28 states have (on average 1.25) internal successors, (35), 29 states have internal predecessors, (35), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-06 22:30:51,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-06 22:30:51,022 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:30:51,023 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:30:51,024 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:30:51,030 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:30:51,031 INFO L85 PathProgramCache]: Analyzing trace with hash -2106783137, now seen corresponding path program 1 times [2023-11-06 22:30:51,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:30:51,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1753241046] [2023-11-06 22:30:51,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:30:51,049 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:30:51,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a523828-4921-49d7-aba8-83b632f855d8/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:30:51,056 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a523828-4921-49d7-aba8-83b632f855d8/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:30:51,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a523828-4921-49d7-aba8-83b632f855d8/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-06 22:30:51,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:30:51,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:30:51,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:30:51,592 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2023-11-06 22:30:51,593 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:30:51,593 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:30:51,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1753241046] [2023-11-06 22:30:51,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1753241046] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:30:51,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:30:51,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:30:51,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584003368] [2023-11-06 22:30:51,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:30:51,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:30:51,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:30:51,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:30:51,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:30:51,668 INFO L87 Difference]: Start difference. First operand has 45 states, 28 states have (on average 1.25) internal successors, (35), 29 states have internal predecessors, (35), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-06 22:30:51,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:30:51,721 INFO L93 Difference]: Finished difference Result 83 states and 134 transitions. [2023-11-06 22:30:51,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:30:51,724 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 90 [2023-11-06 22:30:51,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:30:51,735 INFO L225 Difference]: With dead ends: 83 [2023-11-06 22:30:51,736 INFO L226 Difference]: Without dead ends: 41 [2023-11-06 22:30:51,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:30:51,747 INFO L413 NwaCegarLoop]: 56 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, 56 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:30:51,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:30:51,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-11-06 22:30:51,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-11-06 22:30:51,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 25 states have (on average 1.12) internal successors, (28), 25 states have internal predecessors, (28), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-06 22:30:51,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 56 transitions. [2023-11-06 22:30:51,810 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 56 transitions. Word has length 90 [2023-11-06 22:30:51,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:30:51,810 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 56 transitions. [2023-11-06 22:30:51,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-06 22:30:51,811 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2023-11-06 22:30:51,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-06 22:30:51,816 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:30:51,816 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:30:51,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a523828-4921-49d7-aba8-83b632f855d8/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)] Ended with exit code 0 [2023-11-06 22:30:52,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a523828-4921-49d7-aba8-83b632f855d8/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:30:52,035 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:30:52,036 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:30:52,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1448015593, now seen corresponding path program 1 times [2023-11-06 22:30:52,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:30:52,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1531629454] [2023-11-06 22:30:52,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:30:52,037 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-06 22:30:52,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a523828-4921-49d7-aba8-83b632f855d8/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:30:52,069 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a523828-4921-49d7-aba8-83b632f855d8/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-06 22:30:52,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a523828-4921-49d7-aba8-83b632f855d8/bin/uautomizer-verify-WvqO1wxjHP/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-06 22:30:52,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:30:52,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 22:30:52,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:31:50,554 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 118 proven. 60 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2023-11-06 22:31:50,555 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:33:01,387 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:33:01,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1531629454] [2023-11-06 22:33:01,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1531629454] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:33:01,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1560884238] [2023-11-06 22:33:01,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:33:01,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 22:33:01,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a523828-4921-49d7-aba8-83b632f855d8/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 22:33:01,399 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a523828-4921-49d7-aba8-83b632f855d8/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 22:33:01,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a523828-4921-49d7-aba8-83b632f855d8/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-06 22:33:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:33:02,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 22:33:02,418 INFO L285 TraceCheckSpWp]: Computing forward predicates...