./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-35.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_80df5604-ecb7-4909-9124-63ddd7a37173/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80df5604-ecb7-4909-9124-63ddd7a37173/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_80df5604-ecb7-4909-9124-63ddd7a37173/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80df5604-ecb7-4909-9124-63ddd7a37173/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-35.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80df5604-ecb7-4909-9124-63ddd7a37173/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_80df5604-ecb7-4909-9124-63ddd7a37173/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 6f582f036ce8ee2fd911e824fcfafcbbd771a7c70f7459896810d2fbb79a2be9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:18:34,851 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:18:34,955 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80df5604-ecb7-4909-9124-63ddd7a37173/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 13:18:34,960 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:18:34,960 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:18:34,984 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:18:34,985 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:18:34,985 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:18:34,986 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:18:34,986 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:18:34,986 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:18:34,986 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:18:34,987 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:18:34,987 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:18:34,987 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:18:34,987 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:18:34,987 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:18:34,988 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:18:34,988 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:18:34,988 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:18:34,988 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:18:34,988 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:18:34,989 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:18:34,989 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:18:34,989 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:18:34,989 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:18:34,989 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:18:34,989 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:18:34,990 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:18:34,990 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:18:34,990 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:18:34,990 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:18:34,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:18:34,991 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:18:34,991 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:18:34,991 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:18:34,991 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:18:34,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:18:34,991 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:18:34,992 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:18:34,992 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:18:34,992 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:18:34,992 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_80df5604-ecb7-4909-9124-63ddd7a37173/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 -> 6f582f036ce8ee2fd911e824fcfafcbbd771a7c70f7459896810d2fbb79a2be9 [2024-11-13 13:18:35,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:18:35,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:18:35,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:18:35,403 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:18:35,404 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:18:35,406 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80df5604-ecb7-4909-9124-63ddd7a37173/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-35.i Unable to find full path for "g++" [2024-11-13 13:18:37,551 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:18:37,843 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:18:37,844 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80df5604-ecb7-4909-9124-63ddd7a37173/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-35.i [2024-11-13 13:18:37,853 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80df5604-ecb7-4909-9124-63ddd7a37173/bin/uautomizer-verify-qhAvR1uOyd/data/fc632c5dd/8de23051388648b8800ed72ca21fa26e/FLAGd9f02db98 [2024-11-13 13:18:37,870 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80df5604-ecb7-4909-9124-63ddd7a37173/bin/uautomizer-verify-qhAvR1uOyd/data/fc632c5dd/8de23051388648b8800ed72ca21fa26e [2024-11-13 13:18:37,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:18:37,874 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:18:37,876 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:18:37,876 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:18:37,881 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:18:37,882 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:18:37" (1/1) ... [2024-11-13 13:18:37,883 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45576861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:18:37, skipping insertion in model container [2024-11-13 13:18:37,883 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:18:37" (1/1) ... [2024-11-13 13:18:37,902 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:18:38,090 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_80df5604-ecb7-4909-9124-63ddd7a37173/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-35.i[915,928] [2024-11-13 13:18:38,140 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:18:38,153 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:18:38,165 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_80df5604-ecb7-4909-9124-63ddd7a37173/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-35.i[915,928] [2024-11-13 13:18:38,193 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:18:38,210 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:18:38,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:18:38 WrapperNode [2024-11-13 13:18:38,211 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:18:38,212 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:18:38,213 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:18:38,213 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:18:38,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:18:38" (1/1) ... [2024-11-13 13:18:38,230 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:18:38" (1/1) ... [2024-11-13 13:18:38,267 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 126 [2024-11-13 13:18:38,267 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:18:38,268 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:18:38,268 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:18:38,268 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:18:38,279 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:18:38" (1/1) ... [2024-11-13 13:18:38,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:18:38" (1/1) ... [2024-11-13 13:18:38,281 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:18:38" (1/1) ... [2024-11-13 13:18:38,295 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 13:18:38,295 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:18:38" (1/1) ... [2024-11-13 13:18:38,295 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:18:38" (1/1) ... [2024-11-13 13:18:38,302 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:18:38" (1/1) ... [2024-11-13 13:18:38,306 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:18:38" (1/1) ... [2024-11-13 13:18:38,307 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:18:38" (1/1) ... [2024-11-13 13:18:38,308 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:18:38" (1/1) ... [2024-11-13 13:18:38,311 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:18:38,312 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:18:38,312 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:18:38,312 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:18:38,313 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:18:38" (1/1) ... [2024-11-13 13:18:38,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:18:38,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80df5604-ecb7-4909-9124-63ddd7a37173/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:18:38,352 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80df5604-ecb7-4909-9124-63ddd7a37173/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:18:38,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80df5604-ecb7-4909-9124-63ddd7a37173/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:18:38,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:18:38,393 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 13:18:38,395 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 13:18:38,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 13:18:38,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:18:38,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:18:38,520 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:18:38,522 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:18:38,808 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-13 13:18:38,809 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:18:38,820 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:18:38,820 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 13:18:38,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:18:38 BoogieIcfgContainer [2024-11-13 13:18:38,821 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:18:38,824 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:18:38,824 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:18:38,829 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:18:38,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:18:37" (1/3) ... [2024-11-13 13:18:38,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c72779d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:18:38, skipping insertion in model container [2024-11-13 13:18:38,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:18:38" (2/3) ... [2024-11-13 13:18:38,831 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c72779d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:18:38, skipping insertion in model container [2024-11-13 13:18:38,831 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:18:38" (3/3) ... [2024-11-13 13:18:38,832 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-35.i [2024-11-13 13:18:38,849 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:18:38,851 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-35.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 13:18:38,939 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:18:38,959 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;@a989df8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:18:38,959 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 13:18:38,964 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 13:18:38,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-13 13:18:38,980 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:38,981 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:18:38,981 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:18:38,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:38,988 INFO L85 PathProgramCache]: Analyzing trace with hash 209429895, now seen corresponding path program 1 times [2024-11-13 13:18:38,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:38,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689708203] [2024-11-13 13:18:38,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:38,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-13 13:18:39,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-13 13:18:39,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-13 13:18:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-13 13:18:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-13 13:18:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 13:18:39,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 13:18:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 13:18:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-13 13:18:39,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-13 13:18:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-13 13:18:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 13:18:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 13:18:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-13 13:18:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-13 13:18:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-13 13:18:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-13 13:18:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-13 13:18:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:39,521 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-13 13:18:39,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:39,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689708203] [2024-11-13 13:18:39,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689708203] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:39,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:39,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:18:39,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535742617] [2024-11-13 13:18:39,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:39,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:18:39,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:39,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:18:39,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:18:39,565 INFO L87 Difference]: Start difference. First operand has 56 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-13 13:18:39,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:39,600 INFO L93 Difference]: Finished difference Result 109 states and 177 transitions. [2024-11-13 13:18:39,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:18:39,604 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 116 [2024-11-13 13:18:39,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:39,614 INFO L225 Difference]: With dead ends: 109 [2024-11-13 13:18:39,615 INFO L226 Difference]: Without dead ends: 52 [2024-11-13 13:18:39,619 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 56 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 13:18:39,623 INFO L432 NwaCegarLoop]: 78 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, 78 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 13:18:39,624 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:18:39,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-13 13:18:39,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-13 13:18:39,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 32 states have (on average 1.1875) internal successors, (38), 32 states have internal predecessors, (38), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 13:18:39,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 74 transitions. [2024-11-13 13:18:39,674 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 74 transitions. Word has length 116 [2024-11-13 13:18:39,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:39,675 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 74 transitions. [2024-11-13 13:18:39,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-13 13:18:39,676 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-13 13:18:39,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-13 13:18:39,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:39,679 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:18:39,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:18:39,679 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:18:39,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:39,680 INFO L85 PathProgramCache]: Analyzing trace with hash 2132121363, now seen corresponding path program 1 times [2024-11-13 13:18:39,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:39,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725543328] [2024-11-13 13:18:39,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:39,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:39,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:18:39,914 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:18:40,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:18:40,198 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:18:40,198 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 13:18:40,200 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 13:18:40,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:18:40,206 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-13 13:18:40,303 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:18:40,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:18:40 BoogieIcfgContainer [2024-11-13 13:18:40,307 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:18:40,308 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:18:40,308 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:18:40,308 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:18:40,309 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:18:38" (3/4) ... [2024-11-13 13:18:40,312 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 13:18:40,313 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:18:40,314 INFO L158 Benchmark]: Toolchain (without parser) took 2439.58ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 89.6MB in the end (delta: 27.1MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2024-11-13 13:18:40,314 INFO L158 Benchmark]: CDTParser took 1.19ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:18:40,314 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.13ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 104.0MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:18:40,315 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.53ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 102.1MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:18:40,315 INFO L158 Benchmark]: Boogie Preprocessor took 43.62ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 100.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:18:40,316 INFO L158 Benchmark]: RCFGBuilder took 508.95ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 85.3MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:18:40,316 INFO L158 Benchmark]: TraceAbstraction took 1483.51ms. Allocated memory is still 142.6MB. Free memory was 84.9MB in the beginning and 89.9MB in the end (delta: -5.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:18:40,316 INFO L158 Benchmark]: Witness Printer took 4.72ms. Allocated memory is still 142.6MB. Free memory was 89.9MB in the beginning and 89.6MB in the end (delta: 219.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:18:40,319 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.19ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 336.13ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 104.0MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.53ms. Allocated memory is still 142.6MB. Free memory was 104.0MB in the beginning and 102.1MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.62ms. Allocated memory is still 142.6MB. Free memory was 102.1MB in the beginning and 100.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 508.95ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 85.3MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1483.51ms. Allocated memory is still 142.6MB. Free memory was 84.9MB in the beginning and 89.9MB in the end (delta: -5.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.72ms. Allocated memory is still 142.6MB. Free memory was 89.9MB in the beginning and 89.6MB in the end (delta: 219.6kB). 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 76, overapproximation of someBinaryFLOATComparisonOperation at line 96, overapproximation of someBinaryFLOATComparisonOperation at line 90, overapproximation of someBinaryFLOATComparisonOperation at line 94, overapproximation of someBinaryFLOATComparisonOperation at line 92, overapproximation of someBinaryFLOATComparisonOperation at line 74, overapproximation of someBinaryFLOATComparisonOperation at line 101, overapproximation of someUnaryDOUBLEoperation at line 26, overapproximation of someBinaryArithmeticFLOAToperation at line 44. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 4.8; [L23] unsigned long int var_1_2 = 2; [L24] unsigned long int var_1_3 = 5; [L25] float var_1_4 = 255.1; [L26] float var_1_5 = -0.6; [L27] signed short int var_1_6 = -10; [L28] unsigned char var_1_7 = 0; [L29] unsigned char var_1_8 = 1; [L30] signed char var_1_11 = -2; [L31] signed char var_1_12 = 10; [L32] signed char var_1_13 = 5; [L33] float var_1_14 = 499.375; [L34] float var_1_15 = 0.0; [L35] float var_1_16 = 63.2; [L36] float var_1_17 = 0.0; [L37] float var_1_18 = 15.75; [L38] float var_1_19 = 5.75; VAL [isInitial=0, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_2=2, var_1_3=5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L105] isInitial = 1 [L106] FCALL initially() [L107] int k_loop; [L108] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_2=2, var_1_3=5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L108] COND TRUE k_loop < 1 [L109] FCALL updateLastVariables() [L110] CALL updateVariables() [L67] var_1_2 = __VERIFIER_nondet_ulong() [L68] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_3=5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_3=5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L68] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_3=5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L69] CALL assume_abort_if_not(var_1_2 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_3=5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_3=5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L69] RET assume_abort_if_not(var_1_2 <= 4294967295) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_3=5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L70] var_1_3 = __VERIFIER_nondet_ulong() [L71] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L71] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L72] CALL assume_abort_if_not(var_1_3 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L72] RET assume_abort_if_not(var_1_3 <= 4294967295) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_4=2551/10, var_1_6=-10, var_1_7=0, var_1_8=1] [L73] var_1_4 = __VERIFIER_nondet_float() [L74] CALL assume_abort_if_not((var_1_4 >= -461168.6018427382800e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L74] RET assume_abort_if_not((var_1_4 >= -461168.6018427382800e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L75] var_1_5 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L76] RET assume_abort_if_not((var_1_5 >= -461168.6018427382800e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 4611686.018427382800e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L77] var_1_7 = __VERIFIER_nondet_uchar() [L78] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_8=1] [L78] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_8=1] [L79] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L79] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L80] var_1_8 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0] [L81] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0] [L82] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L82] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, var_1_11=-2, var_1_12=10, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L83] var_1_12 = __VERIFIER_nondet_char() [L84] CALL assume_abort_if_not(var_1_12 >= -31) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=21, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=21, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L84] RET assume_abort_if_not(var_1_12 >= -31) VAL [isInitial=1, var_1_11=-2, var_1_12=21, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L85] CALL assume_abort_if_not(var_1_12 <= 32) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=21, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=21, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L85] RET assume_abort_if_not(var_1_12 <= 32) VAL [isInitial=1, var_1_11=-2, var_1_12=21, var_1_13=5, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L86] var_1_13 = __VERIFIER_nondet_char() [L87] CALL assume_abort_if_not(var_1_13 >= -31) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=21, var_1_13=11, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=21, var_1_13=11, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L87] RET assume_abort_if_not(var_1_13 >= -31) VAL [isInitial=1, var_1_11=-2, var_1_12=21, var_1_13=11, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L88] CALL assume_abort_if_not(var_1_13 <= 31) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=21, var_1_13=11, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=21, var_1_13=11, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L88] RET assume_abort_if_not(var_1_13 <= 31) VAL [isInitial=1, var_1_11=-2, var_1_12=21, var_1_13=11, var_1_14=3995/8, var_1_15=0, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L89] var_1_15 = __VERIFIER_nondet_float() [L90] CALL assume_abort_if_not((var_1_15 >= 4611686.018427382800e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=21, var_1_13=11, var_1_14=3995/8, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=21, var_1_13=11, var_1_14=3995/8, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L90] RET assume_abort_if_not((var_1_15 >= 4611686.018427382800e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-2, var_1_12=21, var_1_13=11, var_1_14=3995/8, var_1_16=316/5, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L91] var_1_16 = __VERIFIER_nondet_float() [L92] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=21, var_1_13=11, var_1_14=3995/8, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=21, var_1_13=11, var_1_14=3995/8, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L92] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-2, var_1_12=21, var_1_13=11, var_1_14=3995/8, var_1_17=0, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L93] var_1_17 = __VERIFIER_nondet_float() [L94] CALL assume_abort_if_not((var_1_17 >= 4611686.018427382800e+12F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=21, var_1_13=11, var_1_14=3995/8, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=21, var_1_13=11, var_1_14=3995/8, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L94] RET assume_abort_if_not((var_1_17 >= 4611686.018427382800e+12F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-2, var_1_12=21, var_1_13=11, var_1_14=3995/8, var_1_18=63/4, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L95] var_1_18 = __VERIFIER_nondet_float() [L96] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=21, var_1_13=11, var_1_14=3995/8, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=-2, var_1_12=21, var_1_13=11, var_1_14=3995/8, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L96] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=-2, var_1_12=21, var_1_13=11, var_1_14=3995/8, var_1_19=23/4, var_1_1=24/5, var_1_6=-10, var_1_7=0, var_1_8=1] [L110] RET updateVariables() [L111] CALL step() [L42] unsigned long int stepLocal_0 = var_1_2; VAL [isInitial=1, stepLocal_0=-22, var_1_11=-2, var_1_12=21, var_1_13=11, var_1_14=3995/8, var_1_19=23/4, var_1_1=24/5, var_1_2=-22, var_1_6=-10, var_1_7=0, var_1_8=1] [L43] COND TRUE stepLocal_0 >= (~ var_1_3) [L44] var_1_1 = (var_1_4 + var_1_5) VAL [isInitial=1, var_1_11=-2, var_1_12=21, var_1_13=11, var_1_14=3995/8, var_1_19=23/4, var_1_2=-22, var_1_3=21, var_1_6=-10, var_1_7=0, var_1_8=1] [L46] var_1_11 = (-32 + (var_1_12 + ((((10) < (var_1_13)) ? (10) : (var_1_13))))) [L47] signed char stepLocal_1 = var_1_12; VAL [isInitial=1, stepLocal_1=21, var_1_11=-1, var_1_12=21, var_1_13=11, var_1_14=3995/8, var_1_19=23/4, var_1_2=-22, var_1_3=21, var_1_6=-10, var_1_7=0, var_1_8=1] [L48] COND FALSE !(stepLocal_1 != var_1_3) [L53] var_1_14 = var_1_18 VAL [isInitial=1, var_1_11=-1, var_1_12=21, var_1_13=11, var_1_14=505, var_1_18=505, var_1_19=23/4, var_1_2=-22, var_1_3=21, var_1_6=-10, var_1_7=0, var_1_8=1] [L55] var_1_19 = var_1_5 VAL [isInitial=1, var_1_11=-1, var_1_12=21, var_1_13=11, var_1_14=505, var_1_18=505, var_1_19=504, var_1_2=-22, var_1_3=21, var_1_5=504, var_1_6=-10, var_1_7=0, var_1_8=1] [L56] COND FALSE !(\read(var_1_7)) [L63] var_1_6 = var_1_11 VAL [isInitial=1, var_1_11=-1, var_1_12=21, var_1_13=11, var_1_14=505, var_1_18=505, var_1_19=504, var_1_2=-22, var_1_3=21, var_1_5=504, var_1_6=-1, var_1_7=0, var_1_8=1] [L111] RET step() [L112] CALL, EXPR property() [L101-L102] return (((((var_1_2 >= (~ var_1_3)) ? (var_1_1 == ((float) (var_1_4 + var_1_5))) : 1) && (var_1_7 ? (var_1_8 ? (var_1_6 == ((signed short int) (var_1_11 + var_1_11))) : (var_1_6 == ((signed short int) (var_1_11 + var_1_11)))) : (var_1_6 == ((signed short int) var_1_11)))) && (var_1_11 == ((signed char) (-32 + (var_1_12 + ((((10) < (var_1_13)) ? (10) : (var_1_13)))))))) && ((var_1_12 != var_1_3) ? (var_1_7 ? (var_1_14 == ((float) ((var_1_15 - var_1_16) - (var_1_17 - var_1_18)))) : 1) : (var_1_14 == ((float) var_1_18)))) && (var_1_19 == ((float) var_1_5)) ; VAL [\result=0, isInitial=1, var_1_11=-1, var_1_12=21, var_1_13=11, var_1_14=505, var_1_18=505, var_1_19=504, var_1_2=-22, var_1_3=21, var_1_5=504, var_1_6=-1, var_1_7=0, var_1_8=1] [L112] RET, EXPR property() [L112] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_11=-1, var_1_12=21, var_1_13=11, var_1_14=505, var_1_18=505, var_1_19=504, var_1_2=-22, var_1_3=21, var_1_5=504, var_1_6=-1, var_1_7=0, var_1_8=1] [L19] reach_error() VAL [isInitial=1, var_1_11=-1, var_1_12=21, var_1_13=11, var_1_14=505, var_1_18=505, var_1_19=504, var_1_2=-22, var_1_3=21, var_1_5=504, var_1_6=-1, var_1_7=0, var_1_8=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 18, 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, 78 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, 78 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred 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, 0.4s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 115 ConstructedInterpolants, 0 QuantifiedInterpolants, 115 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 612/612 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 13:18:40,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80df5604-ecb7-4909-9124-63ddd7a37173/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_80df5604-ecb7-4909-9124-63ddd7a37173/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80df5604-ecb7-4909-9124-63ddd7a37173/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_80df5604-ecb7-4909-9124-63ddd7a37173/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80df5604-ecb7-4909-9124-63ddd7a37173/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-35.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80df5604-ecb7-4909-9124-63ddd7a37173/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_80df5604-ecb7-4909-9124-63ddd7a37173/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 6f582f036ce8ee2fd911e824fcfafcbbd771a7c70f7459896810d2fbb79a2be9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:18:43,510 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:18:43,637 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80df5604-ecb7-4909-9124-63ddd7a37173/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 13:18:43,644 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:18:43,644 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:18:43,671 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:18:43,671 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:18:43,671 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:18:43,674 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:18:43,674 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:18:43,674 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:18:43,675 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:18:43,676 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:18:43,676 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:18:43,676 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:18:43,677 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:18:43,677 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:18:43,677 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:18:43,677 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:18:43,677 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:18:43,678 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:18:43,678 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:18:43,678 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:18:43,678 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 13:18:43,678 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 13:18:43,678 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:18:43,678 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 13:18:43,678 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:18:43,679 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:18:43,679 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:18:43,679 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:18:43,679 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:18:43,680 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:18:43,680 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:18:43,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:18:43,680 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:18:43,681 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:18:43,681 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:18:43,681 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 13:18:43,681 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 13:18:43,682 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:18:43,682 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:18:43,682 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:18:43,682 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:18:43,682 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_80df5604-ecb7-4909-9124-63ddd7a37173/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 -> 6f582f036ce8ee2fd911e824fcfafcbbd771a7c70f7459896810d2fbb79a2be9 [2024-11-13 13:18:44,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:18:44,083 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:18:44,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:18:44,087 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:18:44,088 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:18:44,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80df5604-ecb7-4909-9124-63ddd7a37173/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-35.i Unable to find full path for "g++" [2024-11-13 13:18:46,236 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:18:46,503 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:18:46,503 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80df5604-ecb7-4909-9124-63ddd7a37173/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-35.i [2024-11-13 13:18:46,517 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80df5604-ecb7-4909-9124-63ddd7a37173/bin/uautomizer-verify-qhAvR1uOyd/data/6b8a4b1bf/497b81160ab049c183ef0842a0155b2a/FLAG773af453f [2024-11-13 13:18:46,547 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80df5604-ecb7-4909-9124-63ddd7a37173/bin/uautomizer-verify-qhAvR1uOyd/data/6b8a4b1bf/497b81160ab049c183ef0842a0155b2a [2024-11-13 13:18:46,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:18:46,555 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:18:46,556 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:18:46,558 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:18:46,563 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:18:46,565 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:18:46" (1/1) ... [2024-11-13 13:18:46,569 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6de8226c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:18:46, skipping insertion in model container [2024-11-13 13:18:46,569 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:18:46" (1/1) ... [2024-11-13 13:18:46,595 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:18:46,798 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_80df5604-ecb7-4909-9124-63ddd7a37173/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-35.i[915,928] [2024-11-13 13:18:46,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:18:46,922 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:18:46,936 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_80df5604-ecb7-4909-9124-63ddd7a37173/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-35.i[915,928] [2024-11-13 13:18:46,984 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:18:47,010 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:18:47,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:18:47 WrapperNode [2024-11-13 13:18:47,012 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:18:47,013 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:18:47,014 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:18:47,014 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:18:47,023 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:18:47" (1/1) ... [2024-11-13 13:18:47,047 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:18:47" (1/1) ... [2024-11-13 13:18:47,073 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 124 [2024-11-13 13:18:47,073 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:18:47,074 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:18:47,074 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:18:47,074 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:18:47,085 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:18:47" (1/1) ... [2024-11-13 13:18:47,085 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:18:47" (1/1) ... [2024-11-13 13:18:47,088 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:18:47" (1/1) ... [2024-11-13 13:18:47,102 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 13:18:47,102 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:18:47" (1/1) ... [2024-11-13 13:18:47,103 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:18:47" (1/1) ... [2024-11-13 13:18:47,113 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:18:47" (1/1) ... [2024-11-13 13:18:47,117 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:18:47" (1/1) ... [2024-11-13 13:18:47,119 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:18:47" (1/1) ... [2024-11-13 13:18:47,121 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:18:47" (1/1) ... [2024-11-13 13:18:47,124 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:18:47,125 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:18:47,125 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:18:47,125 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:18:47,127 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:18:47" (1/1) ... [2024-11-13 13:18:47,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:18:47,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80df5604-ecb7-4909-9124-63ddd7a37173/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:18:47,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80df5604-ecb7-4909-9124-63ddd7a37173/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:18:47,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80df5604-ecb7-4909-9124-63ddd7a37173/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:18:47,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:18:47,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 13:18:47,208 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 13:18:47,208 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 13:18:47,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:18:47,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:18:47,335 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:18:47,337 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:18:49,198 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-13 13:18:49,198 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:18:49,215 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:18:49,215 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 13:18:49,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:18:49 BoogieIcfgContainer [2024-11-13 13:18:49,216 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:18:49,219 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:18:49,219 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:18:49,226 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:18:49,226 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:18:46" (1/3) ... [2024-11-13 13:18:49,227 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a9f3fc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:18:49, skipping insertion in model container [2024-11-13 13:18:49,227 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:18:47" (2/3) ... [2024-11-13 13:18:49,227 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a9f3fc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:18:49, skipping insertion in model container [2024-11-13 13:18:49,227 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:18:49" (3/3) ... [2024-11-13 13:18:49,229 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-35.i [2024-11-13 13:18:49,248 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:18:49,250 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-35.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 13:18:49,325 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:18:49,360 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;@483894fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:18:49,360 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 13:18:49,365 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 13:18:49,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-13 13:18:49,377 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:49,379 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:18:49,380 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:18:49,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:49,384 INFO L85 PathProgramCache]: Analyzing trace with hash 209429895, now seen corresponding path program 1 times [2024-11-13 13:18:49,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:18:49,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [483279670] [2024-11-13 13:18:49,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:49,395 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 13:18:49,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80df5604-ecb7-4909-9124-63ddd7a37173/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:18:49,400 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80df5604-ecb7-4909-9124-63ddd7a37173/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 13:18:49,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80df5604-ecb7-4909-9124-63ddd7a37173/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 13:18:49,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:49,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 13:18:49,952 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:18:49,999 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-13 13:18:49,999 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:18:50,000 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:18:50,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [483279670] [2024-11-13 13:18:50,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [483279670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:50,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:50,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:18:50,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817915669] [2024-11-13 13:18:50,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:50,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:18:50,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:18:50,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:18:50,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:18:50,044 INFO L87 Difference]: Start difference. First operand has 56 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 36 states have internal predecessors, (45), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-13 13:18:50,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:50,075 INFO L93 Difference]: Finished difference Result 109 states and 177 transitions. [2024-11-13 13:18:50,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:18:50,077 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 116 [2024-11-13 13:18:50,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:50,083 INFO L225 Difference]: With dead ends: 109 [2024-11-13 13:18:50,083 INFO L226 Difference]: Without dead ends: 52 [2024-11-13 13:18:50,087 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 115 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 13:18:50,090 INFO L432 NwaCegarLoop]: 78 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, 78 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 13:18:50,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:18:50,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-13 13:18:50,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-13 13:18:50,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 32 states have (on average 1.1875) internal successors, (38), 32 states have internal predecessors, (38), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 13:18:50,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 74 transitions. [2024-11-13 13:18:50,139 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 74 transitions. Word has length 116 [2024-11-13 13:18:50,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:50,139 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 74 transitions. [2024-11-13 13:18:50,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-13 13:18:50,140 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 74 transitions. [2024-11-13 13:18:50,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-13 13:18:50,142 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:50,143 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:18:50,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80df5604-ecb7-4909-9124-63ddd7a37173/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 13:18:50,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80df5604-ecb7-4909-9124-63ddd7a37173/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 13:18:50,344 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 13:18:50,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:50,345 INFO L85 PathProgramCache]: Analyzing trace with hash 2132121363, now seen corresponding path program 1 times [2024-11-13 13:18:50,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:18:50,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1614914293] [2024-11-13 13:18:50,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:50,346 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 13:18:50,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80df5604-ecb7-4909-9124-63ddd7a37173/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 13:18:50,349 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80df5604-ecb7-4909-9124-63ddd7a37173/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 13:18:50,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80df5604-ecb7-4909-9124-63ddd7a37173/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 13:18:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:50,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 13:18:50,813 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:23:44,881 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 287 proven. 66 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2024-11-13 13:23:44,881 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:25:18,266 WARN L286 SmtUtils]: Spent 5.22s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:26:03,295 WARN L286 SmtUtils]: Spent 5.08s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:26:18,438 WARN L286 SmtUtils]: Spent 5.65s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:27:14,607 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse34 ((_ sign_extend 24) c_~var_1_12~0)) (.cse36 ((_ sign_extend 24) c_~var_1_13~0)) (.cse35 ((_ sign_extend 24) c_~var_1_11~0)) (.cse37 ((_ sign_extend 16) c_~var_1_6~0))) (let ((.cse20 (fp.eq c_~var_1_14~0 c_~var_1_18~0)) (.cse0 (= (_ bv0 8) c_~var_1_7~0)) (.cse1 (= ((_ sign_extend 16) ((_ extract 15 0) (bvmul (_ bv2 32) .cse35))) .cse37)) (.cse5 (= ((_ sign_extend 24) ((_ extract 7 0) (bvadd .cse34 .cse36 (_ bv4294967264 32)))) .cse35)) (.cse7 (= .cse34 c_~var_1_3~0)) (.cse4 (fp.eq c_~var_1_19~0 c_~var_1_5~0))) (let ((.cse13 (not .cse4)) (.cse23 (not .cse7)) (.cse14 (not .cse5)) (.cse6 (fp.eq c_~var_1_1~0 (fp.add c_currentRoundingMode c_~var_1_4~0 c_~var_1_5~0))) (.cse10 (not .cse1)) (.cse2 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24)) (~var_1_17~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0) (fp.sub c_currentRoundingMode ~var_1_17~0 c_~var_1_18~0)))))) (.cse8 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24)) (~var_1_17~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0) (fp.sub c_currentRoundingMode ~var_1_17~0 c_~var_1_18~0))))) (.cse12 (= .cse37 ((_ sign_extend 16) ((_ sign_extend 8) c_~var_1_11~0)))) (.cse24 (bvslt (_ bv10 32) .cse36)) (.cse18 (not .cse0)) (.cse19 (not .cse20)) (.cse26 (= ((_ sign_extend 24) ((_ extract 7 0) (bvadd .cse34 (_ bv4294967274 32)))) .cse35))) (and (or (let ((.cse25 (and .cse2 .cse8))) (let ((.cse15 (or .cse1 .cse25)) (.cse16 (or .cse25 .cse10)) (.cse17 (and .cse4 .cse5)) (.cse3 (not .cse24))) (and (or (and (or .cse0 (and .cse1 (or .cse2 .cse3) .cse4 .cse5 .cse6 (or (and .cse7 .cse3) .cse8))) (or (and (or (let ((.cse9 (let ((.cse11 (and .cse12 .cse3))) (and (or .cse11 .cse8) (or .cse11 .cse2))))) (and (or .cse1 .cse9) .cse6 (or .cse9 .cse10))) .cse13 .cse14) (or (and .cse15 .cse16 .cse6) .cse17)) .cse18)) .cse19) (or .cse20 (and (or (and (or .cse13 (let ((.cse21 (let ((.cse22 (and .cse12 .cse23 .cse3))) (and (or .cse22 .cse8) (or .cse22 .cse2))))) (and (or .cse1 .cse21) (or .cse21 .cse10))) .cse14) .cse6 (or (and .cse15 .cse16) .cse17)) .cse18) (or .cse0 (and .cse1 .cse4 .cse5 .cse23 .cse6 .cse3 .cse8))))))) (and .cse26 .cse4)) (or .cse13 (and (or .cse20 (and (or (and .cse6 (or (let ((.cse27 (let ((.cse28 (and .cse12 .cse23 .cse24))) (and (or .cse28 .cse2) (or .cse28 .cse8))))) (and (or .cse1 .cse27) (or .cse27 .cse10))) .cse5) (or .cse14 (let ((.cse29 (let ((.cse30 (and .cse12 .cse23))) (and (or .cse30 .cse2) (or .cse30 .cse8))))) (and (or .cse1 .cse29) (or .cse29 .cse10))))) .cse18) (or .cse0 (and (or .cse5 (and .cse1 .cse23 .cse8 .cse24)) .cse6 (or .cse14 (and .cse1 .cse23 .cse8)))))) (or (and (or .cse0 (and (or .cse5 (and (or .cse2 .cse24) .cse1 (or (and .cse7 .cse24) .cse8) .cse6)) (or .cse14 (and .cse1 (or .cse7 .cse8) (or .cse7 (= (_ bv0 32) (bvnot c_~var_1_3~0)) .cse8) .cse6)))) (or (and (or (let ((.cse31 (and (or .cse12 .cse2) (or .cse12 .cse8)))) (and (or .cse1 .cse31) (or .cse31 .cse10) .cse6)) .cse14) (or (let ((.cse32 (let ((.cse33 (and .cse12 .cse24))) (and (or .cse33 .cse2) (or .cse33 .cse8))))) (and (or .cse1 .cse32) .cse6 (or .cse32 .cse10))) .cse5)) .cse18)) .cse19)) (not .cse26)))))) is different from true [2024-11-13 13:28:07,825 WARN L286 SmtUtils]: Spent 6.43s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:28:18,000 WARN L286 SmtUtils]: Spent 7.03s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:28:51,739 WARN L286 SmtUtils]: Spent 5.62s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:28:58,007 WARN L286 SmtUtils]: Spent 6.11s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:29:08,693 WARN L286 SmtUtils]: Spent 5.89s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:29:13,682 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse27 ((_ sign_extend 24) c_~var_1_12~0)) (.cse26 ((_ sign_extend 24) c_~var_1_13~0)) (.cse28 ((_ sign_extend 24) c_~var_1_11~0))) (let ((.cse5 (= ((_ sign_extend 16) ((_ extract 15 0) (bvmul (_ bv2 32) .cse28))) ((_ sign_extend 16) ((_ sign_extend 8) c_~var_1_11~0)))) (.cse11 (fp.eq c_~var_1_14~0 c_~var_1_18~0)) (.cse2 (= ((_ sign_extend 24) ((_ extract 7 0) (bvadd .cse27 .cse26 (_ bv4294967264 32)))) .cse28)) (.cse17 (fp.eq c_~var_1_19~0 c_~var_1_5~0))) (let ((.cse1 (= ((_ sign_extend 24) ((_ extract 7 0) (bvadd .cse27 (_ bv4294967274 32)))) .cse28)) (.cse14 (not (= .cse27 c_~var_1_3~0))) (.cse0 (not .cse17)) (.cse15 (not .cse2)) (.cse9 (fp.eq c_~var_1_1~0 (fp.add c_currentRoundingMode c_~var_1_4~0 c_~var_1_5~0))) (.cse10 (not .cse11)) (.cse3 (not .cse5)) (.cse7 (bvslt (_ bv10 32) .cse26)) (.cse6 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24)) (~var_1_17~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0) (fp.sub c_currentRoundingMode ~var_1_17~0 c_~var_1_18~0)))))) (.cse8 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24)) (~var_1_17~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0) (fp.sub c_currentRoundingMode ~var_1_17~0 c_~var_1_18~0)))))) (and (or .cse0 (not .cse1) (and (or (and (or .cse2 (let ((.cse4 (and (or .cse6 .cse7) (or .cse8 .cse7)))) (and (or .cse3 .cse4) (or .cse4 .cse5)))) .cse9) .cse10) (or .cse11 (and .cse9 (or .cse2 (let ((.cse12 (let ((.cse13 (and .cse14 .cse7))) (and (or .cse13 .cse8) (or .cse13 .cse6))))) (and (or .cse3 .cse12) (or .cse12 .cse5)))) (or .cse15 (let ((.cse16 (and (or .cse14 .cse8) (or .cse14 .cse6)))) (and (or .cse16 .cse5) (or .cse3 .cse16)))))))) (or (and .cse1 .cse17) (let ((.cse25 (and .cse6 .cse8))) (let ((.cse20 (not .cse7)) (.cse21 (or .cse3 .cse25)) (.cse22 (or .cse25 .cse5)) (.cse23 (and .cse17 .cse2))) (and (or .cse11 (and (or .cse0 .cse15 (let ((.cse18 (let ((.cse19 (and .cse14 .cse20))) (and (or .cse19 .cse8) (or .cse19 .cse6))))) (and (or .cse3 .cse18) (or .cse5 .cse18)))) .cse9 (or (and .cse21 .cse22) .cse23))) (or (and (or .cse0 .cse15 (let ((.cse24 (and (or .cse6 .cse20) (or .cse20 .cse8)))) (and .cse9 (or .cse24 .cse3) (or .cse24 .cse5)))) (or (and .cse21 .cse22 .cse9) .cse23)) .cse10))))))))) is different from true [2024-11-13 13:29:20,211 WARN L286 SmtUtils]: Spent 5.98s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:29:29,677 WARN L286 SmtUtils]: Spent 6.31s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:30:58,042 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse25 ((_ sign_extend 24) c_~var_1_12~0)) (.cse24 ((_ sign_extend 24) c_~var_1_13~0)) (.cse26 ((_ sign_extend 24) c_~var_1_11~0))) (let ((.cse4 (= ((_ sign_extend 16) ((_ extract 15 0) (bvmul (_ bv2 32) .cse26))) ((_ sign_extend 16) ((_ sign_extend 8) c_~var_1_11~0)))) (.cse1 (= ((_ sign_extend 24) ((_ extract 7 0) (bvadd .cse25 .cse24 (_ bv4294967264 32)))) .cse26)) (.cse10 (fp.eq c_~var_1_14~0 c_~var_1_18~0))) (let ((.cse0 (= ((_ sign_extend 24) ((_ extract 7 0) (bvadd .cse25 (_ bv4294967274 32)))) .cse26)) (.cse9 (not .cse10)) (.cse8 (fp.eq c_~var_1_1~0 (fp.add c_currentRoundingMode c_~var_1_4~0 c_~var_1_5~0))) (.cse14 (not .cse1)) (.cse13 (not (= .cse25 c_~var_1_3~0))) (.cse2 (not .cse4)) (.cse6 (bvslt (_ bv10 32) .cse24)) (.cse5 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24)) (~var_1_17~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0) (fp.sub c_currentRoundingMode ~var_1_17~0 c_~var_1_18~0)))))) (.cse7 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24)) (~var_1_17~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_14~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0) (fp.sub c_currentRoundingMode ~var_1_17~0 c_~var_1_18~0)))))) (and (or (not .cse0) (and (or (and (or .cse1 (let ((.cse3 (and (or .cse5 .cse6) (or .cse7 .cse6)))) (and (or .cse2 .cse3) (or .cse3 .cse4)))) .cse8) .cse9) (or .cse10 (and .cse8 (or .cse1 (let ((.cse11 (let ((.cse12 (and .cse13 .cse6))) (and (or .cse12 .cse7) (or .cse12 .cse5))))) (and (or .cse2 .cse11) (or .cse11 .cse4)))) (or .cse14 (let ((.cse15 (and (or .cse13 .cse7) (or .cse13 .cse5)))) (and (or .cse15 .cse4) (or .cse2 .cse15)))))))) (let ((.cse16 (fp.eq c_~var_1_5~0 c_~var_1_5~0))) (or (and .cse16 .cse0) (let ((.cse23 (and .cse5 .cse7))) (let ((.cse18 (not .cse6)) (.cse19 (or .cse2 .cse23)) (.cse20 (or .cse23 .cse4))) (and (or (and (or .cse14 (let ((.cse17 (and (or .cse5 .cse18) (or .cse18 .cse7)))) (and .cse8 (or .cse17 .cse2) (or .cse17 .cse4)))) (or (and .cse19 .cse20 .cse8) (and .cse16 .cse1))) .cse9) (or .cse10 (and .cse8 (or .cse14 (let ((.cse21 (let ((.cse22 (and .cse13 .cse18))) (and (or .cse22 .cse7) (or .cse22 .cse5))))) (and (or .cse2 .cse21) (or .cse4 .cse21)))) (or (and .cse19 .cse20) .cse1)))))))))))) is different from true [2024-11-13 13:31:15,909 WARN L286 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 13:32:07,644 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse17 ((_ sign_extend 24) c_~var_1_12~0)) (.cse16 ((_ sign_extend 24) c_~var_1_13~0)) (.cse18 ((_ sign_extend 24) c_~var_1_11~0))) (let ((.cse5 (= ((_ sign_extend 16) ((_ extract 15 0) (bvmul (_ bv2 32) .cse18))) ((_ sign_extend 16) ((_ sign_extend 8) c_~var_1_11~0)))) (.cse2 (= ((_ sign_extend 24) ((_ extract 7 0) (bvadd .cse17 .cse16 (_ bv4294967264 32)))) .cse18)) (.cse12 (fp.eq c_~var_1_18~0 c_~var_1_18~0))) (let ((.cse0 (= ((_ sign_extend 24) ((_ extract 7 0) (bvadd .cse17 (_ bv4294967274 32)))) .cse18)) (.cse10 (not (= .cse17 ((_ sign_extend 24) |c_ULTIMATE.start_step_~stepLocal_1~0#1|)))) (.cse1 (not .cse12)) (.cse11 (not .cse2)) (.cse9 (fp.eq c_~var_1_1~0 (fp.add c_currentRoundingMode c_~var_1_4~0 c_~var_1_5~0))) (.cse3 (not .cse5)) (.cse8 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24)) (~var_1_17~0 (_ FloatingPoint 8 24))) (not (fp.eq c_~var_1_18~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0) (fp.sub c_currentRoundingMode ~var_1_17~0 c_~var_1_18~0)))))) (.cse6 (forall ((~var_1_15~0 (_ FloatingPoint 8 24)) (~var_1_16~0 (_ FloatingPoint 8 24)) (~var_1_17~0 (_ FloatingPoint 8 24))) (fp.eq c_~var_1_18~0 (fp.sub c_currentRoundingMode (fp.sub c_currentRoundingMode ~var_1_15~0 ~var_1_16~0) (fp.sub c_currentRoundingMode ~var_1_17~0 c_~var_1_18~0))))) (.cse7 (bvslt (_ bv10 32) .cse16))) (and (or (not .cse0) (and (or .cse1 (and (or .cse2 (let ((.cse4 (and (or .cse6 .cse7) (or .cse8 .cse7)))) (and (or .cse3 .cse4) (or .cse4 .cse5)))) .cse9)) (or (and .cse9 (or .cse2 (and .cse10 .cse7)) (or .cse10 .cse11)) .cse12))) (or .cse0 (let ((.cse13 (not .cse7))) (and (or (and .cse10 .cse2 .cse9 .cse13) .cse12) (or .cse1 (and (or .cse11 (let ((.cse14 (and (or .cse8 .cse13) (or .cse6 .cse13)))) (and (or .cse3 .cse14) .cse9 (or .cse14 .cse5)))) (or (let ((.cse15 (and .cse8 .cse6))) (and (or .cse5 .cse15) .cse9 (or .cse3 .cse15))) .cse2)))))))))) is different from true [2024-11-13 13:32:17,007 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:32:17,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1614914293] [2024-11-13 13:32:17,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1614914293] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:32:17,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214726616] [2024-11-13 13:32:17,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:32:17,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:32:17,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80df5604-ecb7-4909-9124-63ddd7a37173/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:32:17,010 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80df5604-ecb7-4909-9124-63ddd7a37173/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:32:17,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80df5604-ecb7-4909-9124-63ddd7a37173/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 13:32:17,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:32:17,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 13:32:17,893 INFO L278 TraceCheckSpWp]: Computing forward predicates...