./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-42.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --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 09f9b90ef6a2b1ab3909a18c4c3a547168931d170a359c3773d165496438e210 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:58:25,499 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:58:25,594 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 13:58:25,608 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:58:25,611 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:58:25,662 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:58:25,665 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:58:25,666 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:58:25,666 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:58:25,667 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:58:25,668 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:58:25,669 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:58:25,669 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:58:25,670 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:58:25,670 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:58:25,670 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:58:25,670 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:58:25,671 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:58:25,671 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:58:25,672 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:58:25,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:58:25,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:58:25,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:58:25,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:58:25,672 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:58:25,673 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:58:25,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:58:25,673 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:58:25,673 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:58:25,673 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:58:25,673 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:58:25,674 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:58:25,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:58:25,675 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:58:25,675 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:58:25,675 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:58:25,675 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:58:25,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:58:25,677 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:58:25,677 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:58:25,677 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:58:25,677 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:58:25,678 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> 09f9b90ef6a2b1ab3909a18c4c3a547168931d170a359c3773d165496438e210 [2024-11-13 13:58:26,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:58:26,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:58:26,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:58:26,068 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:58:26,069 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:58:26,072 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-42.i Unable to find full path for "g++" [2024-11-13 13:58:28,490 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:58:29,003 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:58:29,005 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-42.i [2024-11-13 13:58:29,020 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/data/c8896b8fa/7976ab368fd547b495fbe18e6d301d47/FLAG2e03568d9 [2024-11-13 13:58:29,049 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/data/c8896b8fa/7976ab368fd547b495fbe18e6d301d47 [2024-11-13 13:58:29,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:58:29,060 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:58:29,064 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:58:29,064 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:58:29,075 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:58:29,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:58:29" (1/1) ... [2024-11-13 13:58:29,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c35b3e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:29, skipping insertion in model container [2024-11-13 13:58:29,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:58:29" (1/1) ... [2024-11-13 13:58:29,102 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:58:29,292 WARN L250 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_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-42.i[913,926] [2024-11-13 13:58:29,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:58:29,363 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:58:29,377 WARN L250 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_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-42.i[913,926] [2024-11-13 13:58:29,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:58:29,432 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:58:29,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:29 WrapperNode [2024-11-13 13:58:29,433 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:58:29,434 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:58:29,434 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:58:29,434 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:58:29,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:29" (1/1) ... [2024-11-13 13:58:29,454 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:29" (1/1) ... [2024-11-13 13:58:29,500 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 87 [2024-11-13 13:58:29,500 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:58:29,501 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:58:29,501 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:58:29,501 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:58:29,519 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:29" (1/1) ... [2024-11-13 13:58:29,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:29" (1/1) ... [2024-11-13 13:58:29,523 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:29" (1/1) ... [2024-11-13 13:58:29,546 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 13:58:29,546 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:29" (1/1) ... [2024-11-13 13:58:29,546 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:29" (1/1) ... [2024-11-13 13:58:29,553 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:29" (1/1) ... [2024-11-13 13:58:29,557 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:29" (1/1) ... [2024-11-13 13:58:29,559 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:29" (1/1) ... [2024-11-13 13:58:29,561 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:29" (1/1) ... [2024-11-13 13:58:29,567 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:58:29,568 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:58:29,569 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:58:29,569 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:58:29,570 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:29" (1/1) ... [2024-11-13 13:58:29,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:58:29,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:58:29,623 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:58:29,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:58:29,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:58:29,664 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 13:58:29,666 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 13:58:29,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 13:58:29,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:58:29,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:58:29,788 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:58:29,791 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:58:30,172 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 13:58:30,172 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:58:30,189 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:58:30,191 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 13:58:30,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:58:30 BoogieIcfgContainer [2024-11-13 13:58:30,192 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:58:30,196 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:58:30,197 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:58:30,204 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:58:30,205 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:58:29" (1/3) ... [2024-11-13 13:58:30,206 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@457d6255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:58:30, skipping insertion in model container [2024-11-13 13:58:30,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:29" (2/3) ... [2024-11-13 13:58:30,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@457d6255 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:58:30, skipping insertion in model container [2024-11-13 13:58:30,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:58:30" (3/3) ... [2024-11-13 13:58:30,209 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-42.i [2024-11-13 13:58:30,231 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:58:30,234 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-42.i that has 2 procedures, 41 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 13:58:30,328 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:58:30,352 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@2c038db3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:58:30,353 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 13:58:30,358 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 28 states have internal predecessors, (37), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-13 13:58:30,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 13:58:30,373 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:58:30,374 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:58:30,375 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:58:30,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:58:30,383 INFO L85 PathProgramCache]: Analyzing trace with hash 2106025140, now seen corresponding path program 1 times [2024-11-13 13:58:30,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:58:30,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721233131] [2024-11-13 13:58:30,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:58:30,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:58:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:30,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:58:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:30,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:58:30,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:30,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:58:30,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:30,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-13 13:58:30,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:30,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:58:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:30,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 13:58:30,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:30,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-13 13:58:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:30,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 13:58:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:30,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 13:58:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:30,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-13 13:58:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:30,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:58:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:30,896 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-13 13:58:30,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:58:30,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721233131] [2024-11-13 13:58:30,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721233131] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:58:30,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:58:30,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:58:30,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055011193] [2024-11-13 13:58:30,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:58:30,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:58:30,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:58:30,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:58:30,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:58:30,939 INFO L87 Difference]: Start difference. First operand has 41 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 28 states have internal predecessors, (37), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-13 13:58:30,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:58:30,995 INFO L93 Difference]: Finished difference Result 75 states and 123 transitions. [2024-11-13 13:58:30,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:58:30,998 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 74 [2024-11-13 13:58:30,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:58:31,006 INFO L225 Difference]: With dead ends: 75 [2024-11-13 13:58:31,006 INFO L226 Difference]: Without dead ends: 37 [2024-11-13 13:58:31,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:58:31,015 INFO L432 NwaCegarLoop]: 50 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, 50 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 [2024-11-13 13:58:31,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:58:31,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-13 13:58:31,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-13 13:58:31,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-13 13:58:31,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 50 transitions. [2024-11-13 13:58:31,068 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 50 transitions. Word has length 74 [2024-11-13 13:58:31,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:58:31,069 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 50 transitions. [2024-11-13 13:58:31,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-13 13:58:31,069 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2024-11-13 13:58:31,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 13:58:31,072 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:58:31,072 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:58:31,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:58:31,073 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:58:31,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:58:31,074 INFO L85 PathProgramCache]: Analyzing trace with hash 2068368112, now seen corresponding path program 1 times [2024-11-13 13:58:31,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:58:31,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178472562] [2024-11-13 13:58:31,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:58:31,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:58:31,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:58:31,269 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:58:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:58:31,453 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:58:31,454 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:58:31,456 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 13:58:31,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:58:31,463 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 13:58:31,557 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:58:31,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:58:31 BoogieIcfgContainer [2024-11-13 13:58:31,562 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:58:31,563 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:58:31,563 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:58:31,564 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:58:31,565 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:58:30" (3/4) ... [2024-11-13 13:58:31,568 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 13:58:31,569 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:58:31,570 INFO L158 Benchmark]: Toolchain (without parser) took 2510.39ms. Allocated memory is still 117.4MB. Free memory was 94.1MB in the beginning and 71.0MB in the end (delta: 23.1MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2024-11-13 13:58:31,571 INFO L158 Benchmark]: CDTParser took 1.42ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:58:31,571 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.32ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 81.2MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:58:31,572 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.45ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 78.9MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:58:31,573 INFO L158 Benchmark]: Boogie Preprocessor took 66.80ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 75.7MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:58:31,573 INFO L158 Benchmark]: RCFGBuilder took 623.78ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 60.4MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:58:31,574 INFO L158 Benchmark]: TraceAbstraction took 1366.78ms. Allocated memory is still 117.4MB. Free memory was 60.1MB in the beginning and 71.0MB in the end (delta: -11.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:58:31,574 INFO L158 Benchmark]: Witness Printer took 6.33ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 71.0MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:58:31,576 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.42ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.32ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 81.2MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.45ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 78.9MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.80ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 75.7MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 623.78ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 60.4MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1366.78ms. Allocated memory is still 117.4MB. Free memory was 60.1MB in the beginning and 71.0MB in the end (delta: -11.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.33ms. Allocated memory is still 117.4MB. Free memory was 71.0MB in the beginning and 71.0MB in the end (delta: 21.0kB). 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 someBinaryFLOATComparisonOperation at line 43, overapproximation of someBinaryFLOATComparisonOperation at line 37, overapproximation of someBinaryFLOATComparisonOperation at line 65, overapproximation of someBinaryFLOATComparisonOperation at line 54, overapproximation of someBinaryFLOATComparisonOperation at line 82. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -1; [L23] unsigned char var_1_8 = 5; [L24] unsigned char var_1_9 = 4; [L25] float var_1_10 = 16.5; [L26] float var_1_11 = 127.25; [L27] unsigned char var_1_12 = 1; [L28] unsigned char var_1_13 = 0; [L29] unsigned char var_1_15 = 0; [L30] unsigned char var_1_16 = 0; [L31] unsigned char var_1_17 = 0; [L32] unsigned char var_1_18 = 0; VAL [isInitial=0, var_1_10=33/2, var_1_11=509/4, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=4] [L86] isInitial = 1 [L87] FCALL initially() [L88] COND TRUE 1 [L89] FCALL updateLastVariables() [L90] CALL updateVariables() [L61] var_1_9 = __VERIFIER_nondet_uchar() [L62] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=509/4, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=509/4, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5] [L62] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=33/2, var_1_11=509/4, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5] [L63] CALL assume_abort_if_not(var_1_9 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=509/4, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_11=509/4, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L63] RET assume_abort_if_not(var_1_9 <= 127) VAL [isInitial=1, var_1_10=33/2, var_1_11=509/4, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L64] var_1_11 = __VERIFIER_nondet_float() [L65] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L65] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L66] var_1_13 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L67] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=33/2, var_1_12=1, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L68] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L68] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L69] var_1_15 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L70] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L71] CALL assume_abort_if_not(var_1_15 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L71] RET assume_abort_if_not(var_1_15 <= 0) VAL [isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L72] var_1_16 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L73] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L74] CALL assume_abort_if_not(var_1_16 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L74] RET assume_abort_if_not(var_1_16 <= 0) VAL [isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L75] var_1_18 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L76] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L77] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L77] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, var_1_10=33/2, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=5, var_1_9=127] [L90] RET updateVariables() [L91] CALL step() [L36] var_1_8 = (var_1_9 + 100) [L37] var_1_10 = ((((var_1_11) < (64.15f)) ? (var_1_11) : (64.15f))) VAL [isInitial=1, var_1_10=1283/20, var_1_11=1283/20, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=-1, var_1_8=227, var_1_9=127] [L38] COND FALSE !(var_1_8 > var_1_8) [L41] var_1_1 = (((((var_1_8 - var_1_8)) > ((var_1_8 - var_1_8))) ? ((var_1_8 - var_1_8)) : ((var_1_8 - var_1_8)))) VAL [isInitial=1, var_1_10=1283/20, var_1_11=1283/20, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=0, var_1_8=227, var_1_9=127] [L43] COND FALSE !(var_1_11 <= var_1_10) VAL [isInitial=1, var_1_10=1283/20, var_1_11=1283/20, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=0, var_1_8=227, var_1_9=127] [L48] COND TRUE var_1_8 <= 1000000 [L49] var_1_17 = 0 VAL [isInitial=1, var_1_10=1283/20, var_1_11=1283/20, var_1_12=1, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=0, var_1_8=227, var_1_9=127] [L54] COND TRUE (- var_1_10) > var_1_11 [L55] var_1_12 = (var_1_13 || (var_1_17 && (var_1_15 || var_1_16))) VAL [isInitial=1, var_1_10=1283/20, var_1_11=1283/20, var_1_12=0, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=0, var_1_8=227, var_1_9=127] [L91] RET step() [L92] CALL, EXPR property() [L82-L83] return (((((var_1_8 > var_1_8) ? (var_1_1 == ((signed long int) (((((var_1_8) < (var_1_8)) ? (var_1_8) : (var_1_8))) - 10))) : (var_1_1 == ((signed long int) (((((var_1_8 - var_1_8)) > ((var_1_8 - var_1_8))) ? ((var_1_8 - var_1_8)) : ((var_1_8 - var_1_8))))))) && (var_1_8 == ((unsigned char) (var_1_9 + 100)))) && (var_1_10 == ((float) ((((var_1_11) < (64.15f)) ? (var_1_11) : (64.15f)))))) && (((- var_1_10) > var_1_11) ? (var_1_12 == ((unsigned char) (var_1_13 || (var_1_17 && (var_1_15 || var_1_16))))) : (var_1_12 == ((unsigned char) ((var_1_1 <= var_1_9) && var_1_16))))) && ((var_1_11 <= var_1_10) ? ((var_1_1 != var_1_8) ? (var_1_17 == ((unsigned char) var_1_18)) : 1) : ((var_1_8 <= 1000000) ? (var_1_17 == ((unsigned char) 0)) : (var_1_17 == ((unsigned char) 0)))) ; VAL [\result=0, isInitial=1, var_1_10=1283/20, var_1_11=1283/20, var_1_12=0, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=0, var_1_8=227, var_1_9=127] [L92] RET, EXPR property() [L92] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=1283/20, var_1_11=1283/20, var_1_12=0, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=0, var_1_8=227, var_1_9=127] [L19] reach_error() VAL [isInitial=1, var_1_10=1283/20, var_1_11=1283/20, var_1_12=0, var_1_13=0, var_1_15=0, var_1_16=0, var_1_17=0, var_1_18=0, var_1_1=0, var_1_8=227, var_1_9=127] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 50 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, 50 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 148 NumberOfCodeBlocks, 148 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 73 ConstructedInterpolants, 0 QuantifiedInterpolants, 73 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 220/220 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 13:58:31,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-42.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --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 09f9b90ef6a2b1ab3909a18c4c3a547168931d170a359c3773d165496438e210 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:58:35,088 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:58:35,254 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 13:58:35,267 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:58:35,267 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:58:35,296 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:58:35,297 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:58:35,297 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:58:35,298 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:58:35,298 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:58:35,298 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:58:35,299 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:58:35,299 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:58:35,299 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:58:35,299 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:58:35,300 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:58:35,300 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:58:35,300 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:58:35,300 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:58:35,300 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:58:35,301 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:58:35,301 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:58:35,301 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:58:35,301 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 13:58:35,301 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 13:58:35,302 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:58:35,302 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 13:58:35,302 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:58:35,302 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:58:35,302 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:58:35,302 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:58:35,303 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:58:35,303 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:58:35,303 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:58:35,303 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:58:35,303 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:58:35,303 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:58:35,304 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:58:35,304 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 13:58:35,304 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 13:58:35,304 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:58:35,304 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:58:35,304 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:58:35,304 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:58:35,305 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> 09f9b90ef6a2b1ab3909a18c4c3a547168931d170a359c3773d165496438e210 [2024-11-13 13:58:35,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:58:35,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:58:35,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:58:35,721 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:58:35,721 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:58:35,723 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-42.i Unable to find full path for "g++" [2024-11-13 13:58:38,220 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:58:38,493 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:58:38,494 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-42.i [2024-11-13 13:58:38,504 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/data/52cf1b900/d7fb5afc2f3948f7bcbe31a030144c11/FLAGc2ebf57fe [2024-11-13 13:58:38,529 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/data/52cf1b900/d7fb5afc2f3948f7bcbe31a030144c11 [2024-11-13 13:58:38,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:58:38,535 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:58:38,537 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:58:38,537 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:58:38,542 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:58:38,543 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:58:38" (1/1) ... [2024-11-13 13:58:38,544 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29bf2eb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:38, skipping insertion in model container [2024-11-13 13:58:38,544 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:58:38" (1/1) ... [2024-11-13 13:58:38,564 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:58:38,737 WARN L250 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_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-42.i[913,926] [2024-11-13 13:58:38,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:58:38,815 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:58:38,827 WARN L250 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_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-42.i[913,926] [2024-11-13 13:58:38,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:58:38,882 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:58:38,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:38 WrapperNode [2024-11-13 13:58:38,884 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:58:38,885 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:58:38,886 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:58:38,887 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:58:38,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:38" (1/1) ... [2024-11-13 13:58:38,922 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:38" (1/1) ... [2024-11-13 13:58:38,963 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 87 [2024-11-13 13:58:38,963 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:58:38,964 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:58:38,964 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:58:38,964 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:58:38,980 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:38" (1/1) ... [2024-11-13 13:58:38,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:38" (1/1) ... [2024-11-13 13:58:38,984 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:38" (1/1) ... [2024-11-13 13:58:39,020 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 13:58:39,024 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:38" (1/1) ... [2024-11-13 13:58:39,025 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:38" (1/1) ... [2024-11-13 13:58:39,034 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:38" (1/1) ... [2024-11-13 13:58:39,039 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:38" (1/1) ... [2024-11-13 13:58:39,041 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:38" (1/1) ... [2024-11-13 13:58:39,043 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:38" (1/1) ... [2024-11-13 13:58:39,046 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:58:39,047 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:58:39,048 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:58:39,048 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:58:39,049 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:38" (1/1) ... [2024-11-13 13:58:39,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:58:39,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:58:39,091 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:58:39,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:58:39,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:58:39,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 13:58:39,123 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 13:58:39,124 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 13:58:39,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:58:39,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:58:39,247 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:58:39,251 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:58:39,612 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 13:58:39,613 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:58:39,628 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:58:39,628 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 13:58:39,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:58:39 BoogieIcfgContainer [2024-11-13 13:58:39,629 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:58:39,634 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:58:39,634 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:58:39,641 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:58:39,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:58:38" (1/3) ... [2024-11-13 13:58:39,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45b4cbac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:58:39, skipping insertion in model container [2024-11-13 13:58:39,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:58:38" (2/3) ... [2024-11-13 13:58:39,644 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45b4cbac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:58:39, skipping insertion in model container [2024-11-13 13:58:39,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:58:39" (3/3) ... [2024-11-13 13:58:39,646 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-42.i [2024-11-13 13:58:39,668 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:58:39,672 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_normal_file-42.i that has 2 procedures, 41 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 13:58:39,769 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:58:39,792 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@686dff3b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:58:39,793 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 13:58:39,798 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 28 states have internal predecessors, (37), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-13 13:58:39,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 13:58:39,812 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:58:39,814 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:58:39,814 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:58:39,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:58:39,821 INFO L85 PathProgramCache]: Analyzing trace with hash 2106025140, now seen corresponding path program 1 times [2024-11-13 13:58:39,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:58:39,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1963886898] [2024-11-13 13:58:39,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:58:39,842 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 [2024-11-13 13:58:39,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:58:39,845 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 13:58:39,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 13:58:40,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:40,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 13:58:40,091 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:58:40,156 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-13 13:58:40,156 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:58:40,157 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:58:40,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1963886898] [2024-11-13 13:58:40,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1963886898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:58:40,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:58:40,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:58:40,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150379904] [2024-11-13 13:58:40,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:58:40,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:58:40,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:58:40,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:58:40,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:58:40,209 INFO L87 Difference]: Start difference. First operand has 41 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 28 states have internal predecessors, (37), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-13 13:58:40,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:58:40,247 INFO L93 Difference]: Finished difference Result 75 states and 123 transitions. [2024-11-13 13:58:40,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:58:40,249 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 74 [2024-11-13 13:58:40,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:58:40,259 INFO L225 Difference]: With dead ends: 75 [2024-11-13 13:58:40,259 INFO L226 Difference]: Without dead ends: 37 [2024-11-13 13:58:40,265 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:58:40,269 INFO L432 NwaCegarLoop]: 50 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, 50 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 [2024-11-13 13:58:40,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:58:40,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-13 13:58:40,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-13 13:58:40,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-13 13:58:40,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 50 transitions. [2024-11-13 13:58:40,341 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 50 transitions. Word has length 74 [2024-11-13 13:58:40,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:58:40,342 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 50 transitions. [2024-11-13 13:58:40,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-13 13:58:40,343 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2024-11-13 13:58:40,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 13:58:40,349 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:58:40,350 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:58:40,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 13:58:40,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 13:58:40,552 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:58:40,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:58:40,553 INFO L85 PathProgramCache]: Analyzing trace with hash 2068368112, now seen corresponding path program 1 times [2024-11-13 13:58:40,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:58:40,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1887868055] [2024-11-13 13:58:40,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:58:40,556 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 [2024-11-13 13:58:40,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:58:40,559 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 13:58:40,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 13:58:40,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:40,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 13:58:40,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:58:42,637 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 159 proven. 27 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-13 13:58:42,638 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:59:28,514 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-13 13:59:28,515 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:59:28,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1887868055] [2024-11-13 13:59:28,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1887868055] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 13:59:28,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:59:28,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 21 [2024-11-13 13:59:28,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250932570] [2024-11-13 13:59:28,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:59:28,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 13:59:28,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:59:28,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 13:59:28,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=333, Unknown=0, NotChecked=0, Total=420 [2024-11-13 13:59:28,520 INFO L87 Difference]: Start difference. First operand 37 states and 50 transitions. Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-13 13:59:31,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:59:31,881 INFO L93 Difference]: Finished difference Result 58 states and 71 transitions. [2024-11-13 13:59:31,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:59:31,882 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2024-11-13 13:59:31,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:59:31,884 INFO L225 Difference]: With dead ends: 58 [2024-11-13 13:59:31,884 INFO L226 Difference]: Without dead ends: 56 [2024-11-13 13:59:31,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 127 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2024-11-13 13:59:31,886 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 39 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:59:31,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 183 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:59:31,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-13 13:59:31,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 45. [2024-11-13 13:59:31,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 31 states have internal predecessors, (36), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-13 13:59:31,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 58 transitions. [2024-11-13 13:59:31,900 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 58 transitions. Word has length 74 [2024-11-13 13:59:31,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:59:31,901 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 58 transitions. [2024-11-13 13:59:31,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-13 13:59:31,901 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 58 transitions. [2024-11-13 13:59:31,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 13:59:31,903 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:59:31,904 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:59:31,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/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)] Ended with exit code 0 [2024-11-13 13:59:32,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 13:59:32,108 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:59:32,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:59:32,109 INFO L85 PathProgramCache]: Analyzing trace with hash 2070215154, now seen corresponding path program 1 times [2024-11-13 13:59:32,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:59:32,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1195872021] [2024-11-13 13:59:32,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:59:32,110 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 [2024-11-13 13:59:32,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:59:32,112 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 13:59:32,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-13 13:59:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:59:32,213 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 13:59:32,219 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:00:02,331 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 78 proven. 24 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-13 14:00:02,331 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:00:30,582 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-13 14:00:30,582 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 14:00:30,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1195872021] [2024-11-13 14:00:30,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1195872021] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-13 14:00:30,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:00:30,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 20 [2024-11-13 14:00:30,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002768173] [2024-11-13 14:00:30,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:00:30,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:00:30,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 14:00:30,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:00:30,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2024-11-13 14:00:30,588 INFO L87 Difference]: Start difference. First operand 45 states and 58 transitions. Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-13 14:00:33,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:00:33,082 INFO L93 Difference]: Finished difference Result 63 states and 76 transitions. [2024-11-13 14:00:33,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 14:00:33,083 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2024-11-13 14:00:33,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:00:33,086 INFO L225 Difference]: With dead ends: 63 [2024-11-13 14:00:33,086 INFO L226 Difference]: Without dead ends: 61 [2024-11-13 14:00:33,086 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=103, Invalid=359, Unknown=0, NotChecked=0, Total=462 [2024-11-13 14:00:33,087 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 61 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 14:00:33,088 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 199 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 14:00:33,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-13 14:00:33,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 45. [2024-11-13 14:00:33,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 31 states have internal predecessors, (36), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-13 14:00:33,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 58 transitions. [2024-11-13 14:00:33,099 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 58 transitions. Word has length 74 [2024-11-13 14:00:33,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:00:33,100 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 58 transitions. [2024-11-13 14:00:33,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-13 14:00:33,100 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 58 transitions. [2024-11-13 14:00:33,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 14:00:33,102 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:00:33,102 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:00:33,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-13 14:00:33,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 14:00:33,303 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:00:33,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:00:33,304 INFO L85 PathProgramCache]: Analyzing trace with hash -965727248, now seen corresponding path program 1 times [2024-11-13 14:00:33,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 14:00:33,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [550625788] [2024-11-13 14:00:33,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:00:33,305 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 [2024-11-13 14:00:33,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 14:00:33,310 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 14:00:33,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-13 14:00:33,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:00:33,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 14:00:33,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:00:52,594 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 159 proven. 27 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-13 14:00:52,594 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:01:30,984 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 45 proven. 36 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2024-11-13 14:01:30,985 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 14:01:30,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [550625788] [2024-11-13 14:01:30,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [550625788] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:01:30,985 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 14:01:30,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 32 [2024-11-13 14:01:30,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193407896] [2024-11-13 14:01:30,985 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 14:01:30,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-13 14:01:30,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 14:01:30,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-13 14:01:30,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=786, Unknown=0, NotChecked=0, Total=992 [2024-11-13 14:01:30,989 INFO L87 Difference]: Start difference. First operand 45 states and 58 transitions. Second operand has 32 states, 32 states have (on average 1.8125) internal successors, (58), 32 states have internal predecessors, (58), 5 states have call successors, (17), 4 states have call predecessors, (17), 10 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-13 14:01:35,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:01:35,128 INFO L93 Difference]: Finished difference Result 85 states and 97 transitions. [2024-11-13 14:01:35,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-13 14:01:35,130 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 1.8125) internal successors, (58), 32 states have internal predecessors, (58), 5 states have call successors, (17), 4 states have call predecessors, (17), 10 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) Word has length 74 [2024-11-13 14:01:35,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:01:35,131 INFO L225 Difference]: With dead ends: 85 [2024-11-13 14:01:35,131 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 14:01:35,134 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 117 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 634 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=617, Invalid=1933, Unknown=0, NotChecked=0, Total=2550 [2024-11-13 14:01:35,135 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 129 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-13 14:01:35,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 234 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-13 14:01:35,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 14:01:35,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 14:01:35,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:01:35,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 14:01:35,137 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2024-11-13 14:01:35,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:01:35,140 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 14:01:35,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 1.8125) internal successors, (58), 32 states have internal predecessors, (58), 5 states have call successors, (17), 4 states have call predecessors, (17), 10 states have return successors, (18), 5 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-13 14:01:35,141 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 14:01:35,141 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 14:01:35,144 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 14:01:35,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-13 14:01:35,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 14:01:35,350 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-13 14:01:35,353 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 14:01:36,589 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:01:36,602 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.eq~32 [2024-11-13 14:01:36,603 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression [2024-11-13 14:01:36,605 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-13 14:01:36,605 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-13 14:01:36,605 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.leq~32 [2024-11-13 14:01:36,605 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.leq~32 [2024-11-13 14:01:36,606 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~fp.neg~32 [2024-11-13 14:01:36,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:01:36 BoogieIcfgContainer [2024-11-13 14:01:36,617 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:01:36,618 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:01:36,618 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:01:36,618 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:01:36,622 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:58:39" (3/4) ... [2024-11-13 14:01:36,625 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 14:01:36,633 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-13 14:01:36,642 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-13 14:01:36,643 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 14:01:36,644 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 14:01:36,644 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 14:01:36,764 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 14:01:36,764 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 14:01:36,764 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:01:36,766 INFO L158 Benchmark]: Toolchain (without parser) took 178231.07ms. Allocated memory was 83.9MB in the beginning and 1.4GB in the end (delta: 1.4GB). Free memory was 60.2MB in the beginning and 1.1GB in the end (delta: -999.1MB). Peak memory consumption was 358.5MB. Max. memory is 16.1GB. [2024-11-13 14:01:36,766 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 83.9MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:01:36,767 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.36ms. Allocated memory is still 83.9MB. Free memory was 59.9MB in the beginning and 47.0MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:01:36,769 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.12ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 45.6MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:01:36,769 INFO L158 Benchmark]: Boogie Preprocessor took 82.31ms. Allocated memory is still 83.9MB. Free memory was 45.6MB in the beginning and 43.2MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:01:36,770 INFO L158 Benchmark]: RCFGBuilder took 581.64ms. Allocated memory is still 83.9MB. Free memory was 43.2MB in the beginning and 29.8MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:01:36,770 INFO L158 Benchmark]: TraceAbstraction took 176983.24ms. Allocated memory was 83.9MB in the beginning and 1.4GB in the end (delta: 1.4GB). Free memory was 29.4MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 333.3MB. Max. memory is 16.1GB. [2024-11-13 14:01:36,770 INFO L158 Benchmark]: Witness Printer took 146.33ms. Allocated memory is still 1.4GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:01:36,774 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 83.9MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.36ms. Allocated memory is still 83.9MB. Free memory was 59.9MB in the beginning and 47.0MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.12ms. Allocated memory is still 83.9MB. Free memory was 47.0MB in the beginning and 45.6MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.31ms. Allocated memory is still 83.9MB. Free memory was 45.6MB in the beginning and 43.2MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 581.64ms. Allocated memory is still 83.9MB. Free memory was 43.2MB in the beginning and 29.8MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 176983.24ms. Allocated memory was 83.9MB in the beginning and 1.4GB in the end (delta: 1.4GB). Free memory was 29.4MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 333.3MB. Max. memory is 16.1GB. * Witness Printer took 146.33ms. Allocated memory is still 1.4GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 4.7MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.eq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: BitVectorAccessExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.leq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.leq~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~fp.neg~32 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 175.6s, OverallIterations: 4, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 10.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 232 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 229 mSDsluCounter, 666 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 495 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 658 IncrementalHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 171 mSDtfsCounter, 658 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 538 GetRequests, 445 SyntacticMatches, 3 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 882 ImplicationChecksByTransitivity, 21.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=2, InterpolantAutomatonStates: 50, 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, 4 MinimizatonAttempts, 27 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 163.8s InterpolantComputationTime, 296 NumberOfCodeBlocks, 296 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 511 ConstructedInterpolants, 4 QuantifiedInterpolants, 7874 SizeOfPredicates, 35 NumberOfNonLiveVariables, 503 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 1426/1540 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: (((var_1_15 <= 0) && (var_1_16 <= 0)) && (var_1_13 <= 0)) - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((0 != cond) && ((((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10))) && (var_1_11 == \old(var_1_11))) && (var_1_12 == \old(var_1_12))) && (var_1_13 == \old(var_1_13))) && (var_1_15 == \old(var_1_15))) && (var_1_16 == \old(var_1_16))) && (var_1_17 == \old(var_1_17))) && (var_1_18 == \old(var_1_18)))) RESULT: Ultimate proved your program to be correct! [2024-11-13 14:01:36,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a7695cf-3bb3-4bd4-9558-cded679ed2cd/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE