./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB --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 f751da126f36ee6f777bff3464811f061000cc8dcef57e0b295fb08381cf9e0e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:22:31,282 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:22:31,358 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 02:22:31,365 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:22:31,365 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:22:31,408 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:22:31,410 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:22:31,410 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:22:31,410 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:22:31,411 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:22:31,411 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:22:31,413 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:22:31,413 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:22:31,414 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:22:31,414 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:22:31,414 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:22:31,414 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:22:31,414 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:22:31,414 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:22:31,414 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:22:31,415 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:22:31,415 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:22:31,415 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:22:31,415 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:22:31,415 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:22:31,415 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:22:31,415 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:22:31,415 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:22:31,415 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:22:31,415 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:22:31,416 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:22:31,416 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:22:31,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:22:31,416 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:22:31,416 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:22:31,416 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:22:31,416 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:22:31,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:22:31,416 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:22:31,417 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:22:31,417 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:22:31,417 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:22:31,417 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:22:31,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:22:31,417 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:22:31,417 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:22:31,417 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:22:31,417 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:22:31,417 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_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB 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 -> f751da126f36ee6f777bff3464811f061000cc8dcef57e0b295fb08381cf9e0e [2024-11-28 02:22:31,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:22:31,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:22:31,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:22:31,813 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:22:31,814 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:22:31,816 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-5.i [2024-11-28 02:22:35,268 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/data/2a2703538/9e690c9202754cff870b68e8b657432e/FLAG9f8eb5d03 [2024-11-28 02:22:35,624 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:22:35,625 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-5.i [2024-11-28 02:22:35,634 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/data/2a2703538/9e690c9202754cff870b68e8b657432e/FLAG9f8eb5d03 [2024-11-28 02:22:35,868 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/data/2a2703538/9e690c9202754cff870b68e8b657432e [2024-11-28 02:22:35,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:22:35,874 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:22:35,876 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:22:35,876 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:22:35,882 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:22:35,884 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:22:35" (1/1) ... [2024-11-28 02:22:35,885 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@457bb106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:35, skipping insertion in model container [2024-11-28 02:22:35,885 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:22:35" (1/1) ... [2024-11-28 02:22:35,916 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:22:36,124 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_2ffa9e7c-4617-4474-9a0e-034902777f56/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-5.i[914,927] [2024-11-28 02:22:36,228 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:22:36,251 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:22:36,271 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_2ffa9e7c-4617-4474-9a0e-034902777f56/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-5.i[914,927] [2024-11-28 02:22:36,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:22:36,350 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:22:36,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:36 WrapperNode [2024-11-28 02:22:36,351 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:22:36,352 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:22:36,352 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:22:36,352 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:22:36,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:36" (1/1) ... [2024-11-28 02:22:36,378 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:36" (1/1) ... [2024-11-28 02:22:36,462 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 123 [2024-11-28 02:22:36,462 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:22:36,463 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:22:36,463 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:22:36,463 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:22:36,476 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:36" (1/1) ... [2024-11-28 02:22:36,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:36" (1/1) ... [2024-11-28 02:22:36,480 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:36" (1/1) ... [2024-11-28 02:22:36,507 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]. [2024-11-28 02:22:36,507 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:36" (1/1) ... [2024-11-28 02:22:36,507 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:36" (1/1) ... [2024-11-28 02:22:36,519 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:36" (1/1) ... [2024-11-28 02:22:36,520 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:36" (1/1) ... [2024-11-28 02:22:36,524 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:36" (1/1) ... [2024-11-28 02:22:36,527 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:36" (1/1) ... [2024-11-28 02:22:36,532 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:36" (1/1) ... [2024-11-28 02:22:36,540 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:22:36,541 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:22:36,545 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:22:36,545 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:22:36,546 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:36" (1/1) ... [2024-11-28 02:22:36,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:22:36,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:36,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:36,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:22:36,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:22:36,641 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:22:36,641 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:22:36,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:22:36,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:22:36,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:22:36,761 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:22:36,765 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:22:37,322 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-28 02:22:37,325 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:22:37,347 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:22:37,348 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 02:22:37,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:22:37 BoogieIcfgContainer [2024-11-28 02:22:37,349 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:22:37,354 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:22:37,355 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:22:37,363 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:22:37,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:22:35" (1/3) ... [2024-11-28 02:22:37,365 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e16169a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:22:37, skipping insertion in model container [2024-11-28 02:22:37,365 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:36" (2/3) ... [2024-11-28 02:22:37,365 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e16169a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:22:37, skipping insertion in model container [2024-11-28 02:22:37,366 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:22:37" (3/3) ... [2024-11-28 02:22:37,367 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-5.i [2024-11-28 02:22:37,385 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:22:37,387 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-1loop_file-5.i that has 2 procedures, 55 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:22:37,465 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:22:37,489 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;@74dc26eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:22:37,490 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:22:37,495 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 38 states have internal predecessors, (50), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 02:22:37,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-28 02:22:37,510 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:22:37,511 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:22:37,511 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:22:37,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:37,520 INFO L85 PathProgramCache]: Analyzing trace with hash -277650914, now seen corresponding path program 1 times [2024-11-28 02:22:37,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:22:37,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542631381] [2024-11-28 02:22:37,531 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:37,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:37,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:37,906 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-28 02:22:37,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:22:37,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542631381] [2024-11-28 02:22:37,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542631381] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:22:37,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386975440] [2024-11-28 02:22:37,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:37,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:22:37,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:37,912 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:22:37,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:22:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:38,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:22:38,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:22:38,153 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-11-28 02:22:38,153 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:22:38,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386975440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:22:38,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:22:38,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 02:22:38,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740242860] [2024-11-28 02:22:38,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:22:38,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:22:38,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:22:38,185 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:22:38,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:22:38,190 INFO L87 Difference]: Start difference. First operand has 55 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 38 states have internal predecessors, (50), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 02:22:38,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:22:38,212 INFO L93 Difference]: Finished difference Result 107 states and 172 transitions. [2024-11-28 02:22:38,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:22:38,214 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 103 [2024-11-28 02:22:38,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:22:38,220 INFO L225 Difference]: With dead ends: 107 [2024-11-28 02:22:38,220 INFO L226 Difference]: Without dead ends: 51 [2024-11-28 02:22:38,224 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:22:38,227 INFO L435 NwaCegarLoop]: 76 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, 76 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 [2024-11-28 02:22:38,228 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:22:38,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-28 02:22:38,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-28 02:22:38,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 states have internal predecessors, (42), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 02:22:38,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2024-11-28 02:22:38,275 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 103 [2024-11-28 02:22:38,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:22:38,275 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2024-11-28 02:22:38,275 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, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 02:22:38,276 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2024-11-28 02:22:38,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-28 02:22:38,283 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:22:38,283 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:22:38,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:22:38,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 02:22:38,488 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:22:38,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:38,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1253055894, now seen corresponding path program 1 times [2024-11-28 02:22:38,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:22:38,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302430518] [2024-11-28 02:22:38,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:38,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:22:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:22:38,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1718742856] [2024-11-28 02:22:38,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:38,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:22:38,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:39,008 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:22:39,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:22:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:39,433 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 02:22:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 02:22:39,631 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 02:22:39,631 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 02:22:39,633 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 02:22:39,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 02:22:39,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:22:39,839 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-28 02:22:39,951 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:22:39,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:22:39 BoogieIcfgContainer [2024-11-28 02:22:39,955 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:22:39,955 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:22:39,955 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:22:39,956 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:22:39,956 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:22:37" (3/4) ... [2024-11-28 02:22:39,958 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 02:22:39,959 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:22:39,960 INFO L158 Benchmark]: Toolchain (without parser) took 4086.47ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 51.1MB in the end (delta: 66.0MB). Peak memory consumption was 65.1MB. Max. memory is 16.1GB. [2024-11-28 02:22:39,960 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:22:39,961 INFO L158 Benchmark]: CACSL2BoogieTranslator took 475.64ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 102.6MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:22:39,961 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.48ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 99.3MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:22:39,961 INFO L158 Benchmark]: Boogie Preprocessor took 77.43ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 92.8MB in the end (delta: 6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:22:39,962 INFO L158 Benchmark]: RCFGBuilder took 807.82ms. Allocated memory is still 142.6MB. Free memory was 92.8MB in the beginning and 72.9MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 02:22:39,962 INFO L158 Benchmark]: TraceAbstraction took 2600.35ms. Allocated memory is still 142.6MB. Free memory was 72.2MB in the beginning and 51.1MB in the end (delta: 21.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-11-28 02:22:39,962 INFO L158 Benchmark]: Witness Printer took 4.15ms. Allocated memory is still 142.6MB. Free memory was 51.1MB in the beginning and 51.1MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:22:39,964 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 475.64ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 102.6MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.48ms. Allocated memory is still 142.6MB. Free memory was 102.6MB in the beginning and 99.3MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 77.43ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 92.8MB in the end (delta: 6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 807.82ms. Allocated memory is still 142.6MB. Free memory was 92.8MB in the beginning and 72.9MB in the end (delta: 19.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2600.35ms. Allocated memory is still 142.6MB. Free memory was 72.2MB in the beginning and 51.1MB in the end (delta: 21.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 4.15ms. Allocated memory is still 142.6MB. Free memory was 51.1MB in the beginning and 51.1MB in the end (delta: 27.1kB). 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 someBinaryArithmeticDOUBLEoperation at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 110, overapproximation of someBinaryDOUBLEComparisonOperation at line 96. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 10; [L23] unsigned char var_1_4 = 128; [L24] unsigned char var_1_5 = 1; [L25] unsigned long int var_1_6 = 5; [L26] unsigned char var_1_9 = 0; [L27] unsigned char var_1_10 = 64; [L28] unsigned char var_1_11 = 64; [L29] unsigned short int var_1_12 = 25; [L30] unsigned short int var_1_14 = 31408; [L31] double var_1_15 = 64.375; [L32] double var_1_16 = 10.85; [L33] double var_1_17 = 128.8; [L34] double var_1_18 = 2.6; [L35] unsigned char var_1_19 = 0; [L36] unsigned char var_1_20 = 0; [L37] signed short int var_1_21 = -64; [L38] unsigned short int last_1_var_1_12 = 25; [L39] double last_1_var_1_15 = 64.375; VAL [isInitial=0, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=1, var_1_6=5, var_1_9=0] [L114] isInitial = 1 [L115] FCALL initially() [L116] int k_loop; [L117] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=1, var_1_6=5, var_1_9=0] [L117] COND TRUE k_loop < 1 VAL [isInitial=1, k_loop=0, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=1, var_1_6=5, var_1_9=0] [L118] CALL updateLastVariables() [L106] last_1_var_1_12 = var_1_12 [L107] last_1_var_1_15 = var_1_15 VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=128, var_1_5=1, var_1_6=5, var_1_9=0] [L118] RET updateLastVariables() [L119] CALL updateVariables() [L80] var_1_4 = __VERIFIER_nondet_uchar() [L81] CALL assume_abort_if_not(var_1_4 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=1, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=1, var_1_6=5, var_1_9=0] [L81] RET assume_abort_if_not(var_1_4 >= 127) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=1, var_1_6=5, var_1_9=0] [L82] CALL assume_abort_if_not(var_1_4 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=1, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=1, var_1_6=5, var_1_9=0] [L82] RET assume_abort_if_not(var_1_4 <= 254) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=1, var_1_6=5, var_1_9=0] [L83] var_1_5 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_6=5, var_1_9=0] [L84] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_6=5, var_1_9=0] [L85] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L85] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=64, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L86] var_1_10 = __VERIFIER_nondet_uchar() [L87] CALL assume_abort_if_not(var_1_10 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L87] RET assume_abort_if_not(var_1_10 >= 63) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L88] CALL assume_abort_if_not(var_1_10 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L88] RET assume_abort_if_not(var_1_10 <= 127) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=64, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L89] var_1_11 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_11 >= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=320, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=320, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L90] RET assume_abort_if_not(var_1_11 >= 64) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=320, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L91] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=320, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=320, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L91] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=320, var_1_12=25, var_1_14=31408, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L92] var_1_14 = __VERIFIER_nondet_ushort() [L93] CALL assume_abort_if_not(var_1_14 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=320, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=320, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L93] RET assume_abort_if_not(var_1_14 >= 16383) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=320, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L94] CALL assume_abort_if_not(var_1_14 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=320, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=320, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L94] RET assume_abort_if_not(var_1_14 <= 32767) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=320, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_16=217/20, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L95] var_1_16 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=320, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=320, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L96] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=320, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_17=644/5, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L97] var_1_17 = __VERIFIER_nondet_double() [L98] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=320, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=320, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L98] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=320, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_18=13/5, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L99] var_1_18 = __VERIFIER_nondet_double() [L100] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=320, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=320, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L100] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=320, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L101] var_1_20 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=320, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=320, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L102] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=320, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L103] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=320, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=320, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L103] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=320, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L119] RET updateVariables() [L120] CALL step() [L43] COND FALSE !(last_1_var_1_12 > var_1_4) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=320, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_19=0, var_1_1=10, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L48] COND FALSE !(((- 64) + var_1_6) == var_1_6) [L51] var_1_1 = (((((128) < (var_1_4)) ? (128) : (var_1_4))) - 64) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=320, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L53] COND FALSE !(var_1_5 == (var_1_6 / var_1_4)) [L56] var_1_9 = ((var_1_10 + var_1_11) - var_1_5) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=320, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=-64, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L58] var_1_21 = var_1_10 [L59] unsigned long int stepLocal_3 = var_1_6; [L60] unsigned char stepLocal_2 = var_1_4; VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, stepLocal_2=-377, stepLocal_3=5, var_1_10=319, var_1_11=320, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=63, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L61] COND FALSE !(stepLocal_2 < var_1_1) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, stepLocal_3=5, var_1_10=319, var_1_11=320, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=63, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L66] unsigned long int stepLocal_0 = (((var_1_6) > (var_1_4)) ? (var_1_6) : (var_1_4)); VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, stepLocal_0=135, stepLocal_3=5, var_1_10=319, var_1_11=320, var_1_12=25, var_1_14=-114689, var_1_15=515/8, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=63, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L67] COND TRUE ((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21))) <= stepLocal_0 [L68] var_1_12 = ((var_1_14 - var_1_5) + ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6)))) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, stepLocal_3=5, var_1_10=319, var_1_11=320, var_1_12=16261, var_1_14=-114689, var_1_15=515/8, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=63, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L72] signed long int stepLocal_1 = ~ (var_1_5 * var_1_1); VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, stepLocal_1=-8129, stepLocal_3=5, var_1_10=319, var_1_11=320, var_1_12=16261, var_1_14=-114689, var_1_15=515/8, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=63, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L73] COND TRUE stepLocal_1 <= var_1_12 [L74] var_1_15 = (((((5.25 - var_1_16)) > (var_1_17)) ? ((5.25 - var_1_16)) : (var_1_17))) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, stepLocal_3=5, var_1_10=319, var_1_11=320, var_1_12=16261, var_1_14=-114689, var_1_15=2, var_1_17=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=63, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L120] RET step() [L121] CALL, EXPR property() [L110-L111] return (((((((((- 64) + var_1_6) == var_1_6) ? (var_1_1 == ((unsigned char) (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) - var_1_5))) : (var_1_1 == ((unsigned char) (((((128) < (var_1_4)) ? (128) : (var_1_4))) - 64)))) && ((last_1_var_1_12 > var_1_4) ? (((- last_1_var_1_15) < last_1_var_1_15) ? (var_1_6 == ((unsigned long int) 10u)) : 1) : 1)) && ((var_1_5 == (var_1_6 / var_1_4)) ? (var_1_9 == ((unsigned char) ((((var_1_5) < (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) ? (var_1_5) : (((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4)))))))) : (var_1_9 == ((unsigned char) ((var_1_10 + var_1_11) - var_1_5))))) && ((((((var_1_21) < 0 ) ? -(var_1_21) : (var_1_21))) <= ((((var_1_6) > (var_1_4)) ? (var_1_6) : (var_1_4)))) ? (var_1_12 == ((unsigned short int) ((var_1_14 - var_1_5) + ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6)))))) : (var_1_12 == ((unsigned short int) var_1_6)))) && (((~ (var_1_5 * var_1_1)) <= var_1_12) ? (var_1_15 == ((double) (((((5.25 - var_1_16)) > (var_1_17)) ? ((5.25 - var_1_16)) : (var_1_17))))) : (var_1_15 == ((double) ((((((((var_1_17) < (var_1_16)) ? (var_1_17) : (var_1_16)))) < (var_1_18)) ? (((((var_1_17) < (var_1_16)) ? (var_1_17) : (var_1_16)))) : (var_1_18))))))) && ((var_1_4 < var_1_1) ? ((var_1_6 > var_1_21) ? (var_1_19 == ((unsigned char) var_1_20)) : 1) : 1)) && (var_1_21 == ((signed short int) var_1_10)) ; VAL [\result=0, isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=320, var_1_12=16261, var_1_14=-114689, var_1_15=2, var_1_17=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=63, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L121] RET, EXPR property() [L121] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=320, var_1_12=16261, var_1_14=-114689, var_1_15=2, var_1_17=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=63, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=25, last_1_var_1_15=515/8, var_1_10=319, var_1_11=320, var_1_12=16261, var_1_14=-114689, var_1_15=2, var_1_17=0, var_1_19=0, var_1_1=64, var_1_20=0, var_1_21=63, var_1_4=-377, var_1_5=-385, var_1_6=5, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 2, TraceHistogramMax: 15, 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, 76 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, 76 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 104 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=55occurred 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: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 412 NumberOfCodeBlocks, 412 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 204 ConstructedInterpolants, 0 QuantifiedInterpolants, 204 SizeOfPredicates, 0 NumberOfNonLiveVariables, 248 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 812/840 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 02:22:39,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/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_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB --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 f751da126f36ee6f777bff3464811f061000cc8dcef57e0b295fb08381cf9e0e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:22:42,714 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:22:42,849 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 02:22:42,857 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:22:42,858 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:22:42,905 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:22:42,907 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:22:42,907 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:22:42,907 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:22:42,908 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:22:42,909 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:22:42,910 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:22:42,910 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:22:42,910 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:22:42,911 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:22:42,911 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:22:42,911 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:22:42,912 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:22:42,913 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:22:42,913 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:22:42,913 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:22:42,913 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:22:42,913 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:22:42,913 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:22:42,914 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 02:22:42,914 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 02:22:42,914 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:22:42,914 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:22:42,914 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:22:42,914 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:22:42,915 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:22:42,915 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:22:42,915 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:22:42,915 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:22:42,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:22:42,915 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:22:42,916 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:22:42,916 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:22:42,917 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:22:42,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:22:42,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:22:42,917 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:22:42,918 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:22:42,918 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:22:42,918 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 02:22:42,918 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 02:22:42,918 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:22:42,918 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:22:42,919 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:22:42,919 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:22:42,919 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_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB 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 -> f751da126f36ee6f777bff3464811f061000cc8dcef57e0b295fb08381cf9e0e [2024-11-28 02:22:43,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:22:43,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:22:43,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:22:43,323 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:22:43,323 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:22:43,325 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-5.i [2024-11-28 02:22:46,759 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/data/de058718c/1e3cd97db1164e8d97d757399f3f86ae/FLAG0e62a4b6b [2024-11-28 02:22:47,132 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:22:47,133 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-5.i [2024-11-28 02:22:47,146 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/data/de058718c/1e3cd97db1164e8d97d757399f3f86ae/FLAG0e62a4b6b [2024-11-28 02:22:47,171 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/data/de058718c/1e3cd97db1164e8d97d757399f3f86ae [2024-11-28 02:22:47,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:22:47,176 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:22:47,179 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:22:47,179 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:22:47,184 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:22:47,185 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:22:47" (1/1) ... [2024-11-28 02:22:47,186 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ece095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:47, skipping insertion in model container [2024-11-28 02:22:47,188 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:22:47" (1/1) ... [2024-11-28 02:22:47,214 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:22:47,404 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_2ffa9e7c-4617-4474-9a0e-034902777f56/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-5.i[914,927] [2024-11-28 02:22:47,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:22:47,532 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:22:47,543 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_2ffa9e7c-4617-4474-9a0e-034902777f56/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-5.i[914,927] [2024-11-28 02:22:47,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:22:47,590 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:22:47,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:47 WrapperNode [2024-11-28 02:22:47,591 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:22:47,592 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:22:47,592 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:22:47,592 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:22:47,599 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:47" (1/1) ... [2024-11-28 02:22:47,617 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:47" (1/1) ... [2024-11-28 02:22:47,660 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 123 [2024-11-28 02:22:47,663 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:22:47,663 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:22:47,664 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:22:47,664 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:22:47,673 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:47" (1/1) ... [2024-11-28 02:22:47,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:47" (1/1) ... [2024-11-28 02:22:47,678 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:47" (1/1) ... [2024-11-28 02:22:47,690 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]. [2024-11-28 02:22:47,690 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:47" (1/1) ... [2024-11-28 02:22:47,690 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:47" (1/1) ... [2024-11-28 02:22:47,704 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:47" (1/1) ... [2024-11-28 02:22:47,705 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:47" (1/1) ... [2024-11-28 02:22:47,713 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:47" (1/1) ... [2024-11-28 02:22:47,715 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:47" (1/1) ... [2024-11-28 02:22:47,717 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:47" (1/1) ... [2024-11-28 02:22:47,720 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:22:47,721 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:22:47,721 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:22:47,721 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:22:47,722 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:47" (1/1) ... [2024-11-28 02:22:47,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:22:47,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:22:47,758 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:22:47,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:22:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:22:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 02:22:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 02:22:47,788 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 02:22:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:22:47,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:22:47,871 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:22:47,873 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:22:48,674 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-28 02:22:48,676 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:22:48,687 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:22:48,687 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 02:22:48,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:22:48 BoogieIcfgContainer [2024-11-28 02:22:48,688 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:22:48,690 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:22:48,690 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:22:48,696 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:22:48,696 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:22:47" (1/3) ... [2024-11-28 02:22:48,697 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18668cef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:22:48, skipping insertion in model container [2024-11-28 02:22:48,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:22:47" (2/3) ... [2024-11-28 02:22:48,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18668cef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:22:48, skipping insertion in model container [2024-11-28 02:22:48,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:22:48" (3/3) ... [2024-11-28 02:22:48,701 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-5.i [2024-11-28 02:22:48,718 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:22:48,720 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-1loop_file-5.i that has 2 procedures, 55 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 02:22:48,789 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:22:48,802 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;@33e45ee3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:22:48,802 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 02:22:48,806 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 38 states have internal predecessors, (50), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 02:22:48,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-28 02:22:48,816 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:22:48,817 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:22:48,818 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:22:48,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:48,823 INFO L85 PathProgramCache]: Analyzing trace with hash -277650914, now seen corresponding path program 1 times [2024-11-28 02:22:48,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:22:48,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1709263123] [2024-11-28 02:22:48,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:48,835 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 [2024-11-28 02:22:48,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:22:48,838 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 02:22:48,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:22:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:49,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 02:22:49,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:22:49,273 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2024-11-28 02:22:49,273 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:22:49,274 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 02:22:49,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1709263123] [2024-11-28 02:22:49,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1709263123] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:22:49,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:22:49,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:22:49,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915090341] [2024-11-28 02:22:49,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:22:49,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 02:22:49,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 02:22:49,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 02:22:49,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:22:49,307 INFO L87 Difference]: Start difference. First operand has 55 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 38 states have internal predecessors, (50), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 02:22:49,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:22:49,342 INFO L93 Difference]: Finished difference Result 107 states and 172 transitions. [2024-11-28 02:22:49,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 02:22:49,346 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 103 [2024-11-28 02:22:49,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:22:49,355 INFO L225 Difference]: With dead ends: 107 [2024-11-28 02:22:49,357 INFO L226 Difference]: Without dead ends: 51 [2024-11-28 02:22:49,361 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 02:22:49,366 INFO L435 NwaCegarLoop]: 76 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, 76 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 [2024-11-28 02:22:49,367 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:22:49,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-28 02:22:49,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-28 02:22:49,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 states have internal predecessors, (42), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-28 02:22:49,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 72 transitions. [2024-11-28 02:22:49,424 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 72 transitions. Word has length 103 [2024-11-28 02:22:49,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:22:49,424 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 72 transitions. [2024-11-28 02:22:49,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 02:22:49,426 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2024-11-28 02:22:49,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-28 02:22:49,430 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:22:49,431 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:22:49,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:22:49,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:22:49,632 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 02:22:49,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:22:49,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1253055894, now seen corresponding path program 1 times [2024-11-28 02:22:49,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 02:22:49,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1325767287] [2024-11-28 02:22:49,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:22:49,634 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 [2024-11-28 02:22:49,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 02:22:49,637 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/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) [2024-11-28 02:22:49,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ffa9e7c-4617-4474-9a0e-034902777f56/bin/uautomizer-verify-aQ6SnzHsRB/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 [2024-11-28 02:22:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:22:50,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-28 02:22:50,211 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:23:32,100 WARN L286 SmtUtils]: Spent 5.72s on a formula simplification that was a NOOP. DAG size: 99 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)