./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-48.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_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-48.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1 --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 955425a29175e5853e5d8a313646a7e1cafc0cd985e14620f3ff42793d441a21 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 08:51:24,013 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:51:24,073 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 08:51:24,078 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:51:24,078 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:51:24,100 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:51:24,101 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:51:24,101 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:51:24,101 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:51:24,101 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:51:24,102 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:51:24,102 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:51:24,102 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:51:24,102 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:51:24,102 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:51:24,102 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:51:24,102 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 08:51:24,103 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 08:51:24,103 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 08:51:24,103 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 08:51:24,103 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:51:24,103 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 08:51:24,103 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:51:24,104 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 08:51:24,104 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 08:51:24,104 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 08:51:24,104 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:51:24,104 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:51:24,104 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:51:24,104 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:51:24,104 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:51:24,104 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:51:24,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:51:24,104 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:51:24,105 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:51:24,105 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:51:24,105 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:51:24,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:51:24,105 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:51:24,105 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:51:24,105 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 08:51:24,105 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 08:51:24,105 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 08:51:24,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 08:51:24,105 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:51:24,105 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:51:24,106 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:51:24,106 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:51:24,106 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_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1 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 -> 955425a29175e5853e5d8a313646a7e1cafc0cd985e14620f3ff42793d441a21 [2024-12-02 08:51:24,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:51:24,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:51:24,346 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:51:24,347 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:51:24,348 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:51:24,349 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-48.i [2024-12-02 08:51:27,040 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/data/f961a9c26/f0bccb92f84847498f4e0057fe212e2a/FLAG7c7294a1b [2024-12-02 08:51:27,236 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:51:27,237 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-48.i [2024-12-02 08:51:27,245 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/data/f961a9c26/f0bccb92f84847498f4e0057fe212e2a/FLAG7c7294a1b [2024-12-02 08:51:27,261 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/data/f961a9c26/f0bccb92f84847498f4e0057fe212e2a [2024-12-02 08:51:27,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:51:27,265 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:51:27,266 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:51:27,266 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:51:27,271 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:51:27,271 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:51:27" (1/1) ... [2024-12-02 08:51:27,272 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3744f03c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:27, skipping insertion in model container [2024-12-02 08:51:27,272 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:51:27" (1/1) ... [2024-12-02 08:51:27,289 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:51:27,424 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_bc63af9a-5543-40be-89a1-22d82d7be1b0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-48.i[915,928] [2024-12-02 08:51:27,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:51:27,471 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 08:51:27,481 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_bc63af9a-5543-40be-89a1-22d82d7be1b0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-48.i[915,928] [2024-12-02 08:51:27,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:51:27,513 INFO L204 MainTranslator]: Completed translation [2024-12-02 08:51:27,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:27 WrapperNode [2024-12-02 08:51:27,514 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 08:51:27,515 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 08:51:27,515 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 08:51:27,515 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 08:51:27,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:27" (1/1) ... [2024-12-02 08:51:27,529 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:27" (1/1) ... [2024-12-02 08:51:27,550 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 124 [2024-12-02 08:51:27,551 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 08:51:27,551 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 08:51:27,551 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 08:51:27,551 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 08:51:27,560 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:27" (1/1) ... [2024-12-02 08:51:27,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:27" (1/1) ... [2024-12-02 08:51:27,562 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:27" (1/1) ... [2024-12-02 08:51:27,574 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]. [2024-12-02 08:51:27,574 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:27" (1/1) ... [2024-12-02 08:51:27,574 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:27" (1/1) ... [2024-12-02 08:51:27,579 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:27" (1/1) ... [2024-12-02 08:51:27,580 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:27" (1/1) ... [2024-12-02 08:51:27,583 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:27" (1/1) ... [2024-12-02 08:51:27,584 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:27" (1/1) ... [2024-12-02 08:51:27,585 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:27" (1/1) ... [2024-12-02 08:51:27,587 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 08:51:27,588 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 08:51:27,588 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 08:51:27,588 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 08:51:27,589 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:27" (1/1) ... [2024-12-02 08:51:27,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:51:27,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:51:27,617 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 08:51:27,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 08:51:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 08:51:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 08:51:27,642 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 08:51:27,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 08:51:27,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 08:51:27,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 08:51:27,712 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 08:51:27,714 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 08:51:27,917 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-02 08:51:27,917 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 08:51:27,926 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 08:51:27,927 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 08:51:27,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:51:27 BoogieIcfgContainer [2024-12-02 08:51:27,927 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 08:51:27,929 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 08:51:27,929 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 08:51:27,935 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 08:51:27,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:51:27" (1/3) ... [2024-12-02 08:51:27,935 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23af5efa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:51:27, skipping insertion in model container [2024-12-02 08:51:27,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:27" (2/3) ... [2024-12-02 08:51:27,936 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23af5efa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:51:27, skipping insertion in model container [2024-12-02 08:51:27,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:51:27" (3/3) ... [2024-12-02 08:51:27,937 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-48.i [2024-12-02 08:51:27,951 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 08:51:27,953 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-while_file-48.i that has 2 procedures, 57 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 08:51:28,004 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 08:51:28,014 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;@55796894, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 08:51:28,015 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 08:51:28,018 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 37 states have internal predecessors, (47), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 08:51:28,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-02 08:51:28,027 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:51:28,028 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:51:28,028 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:51:28,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:51:28,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1082007897, now seen corresponding path program 1 times [2024-12-02 08:51:28,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:51:28,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572300939] [2024-12-02 08:51:28,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:51:28,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:51:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:51:28,251 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-12-02 08:51:28,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:51:28,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572300939] [2024-12-02 08:51:28,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572300939] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:51:28,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746871434] [2024-12-02 08:51:28,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:51:28,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:51:28,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:51:28,254 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:51:28,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 08:51:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:51:28,394 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 08:51:28,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:51:28,433 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-12-02 08:51:28,433 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:51:28,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746871434] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:51:28,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:51:28,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 08:51:28,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517070468] [2024-12-02 08:51:28,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:51:28,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 08:51:28,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:51:28,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 08:51:28,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 08:51:28,460 INFO L87 Difference]: Start difference. First operand has 57 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 37 states have internal predecessors, (47), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 08:51:28,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:51:28,478 INFO L93 Difference]: Finished difference Result 107 states and 178 transitions. [2024-12-02 08:51:28,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 08:51:28,479 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 116 [2024-12-02 08:51:28,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:51:28,483 INFO L225 Difference]: With dead ends: 107 [2024-12-02 08:51:28,484 INFO L226 Difference]: Without dead ends: 53 [2024-12-02 08:51:28,486 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 08:51:28,488 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 [2024-12-02 08:51:28,489 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] [2024-12-02 08:51:28,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-12-02 08:51:28,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-12-02 08:51:28,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 33 states have internal predecessors, (40), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 08:51:28,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2024-12-02 08:51:28,519 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 116 [2024-12-02 08:51:28,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:51:28,520 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2024-12-02 08:51:28,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 08:51:28,520 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2024-12-02 08:51:28,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-02 08:51:28,522 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:51:28,522 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:51:28,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 08:51:28,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 08:51:28,723 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:51:28,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:51:28,723 INFO L85 PathProgramCache]: Analyzing trace with hash 505023597, now seen corresponding path program 1 times [2024-12-02 08:51:28,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:51:28,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516029261] [2024-12-02 08:51:28,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:51:28,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:51:28,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 08:51:28,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1063892737] [2024-12-02 08:51:28,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:51:28,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:51:28,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:51:28,824 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:51:28,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 08:51:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 08:51:28,941 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 08:51:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 08:51:29,033 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 08:51:29,034 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 08:51:29,035 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 08:51:29,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 08:51:29,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:51:29,240 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-12-02 08:51:29,290 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 08:51:29,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:51:29 BoogieIcfgContainer [2024-12-02 08:51:29,293 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 08:51:29,293 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 08:51:29,293 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 08:51:29,294 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 08:51:29,294 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:51:27" (3/4) ... [2024-12-02 08:51:29,296 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 08:51:29,297 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 08:51:29,298 INFO L158 Benchmark]: Toolchain (without parser) took 2033.35ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 76.7MB in the end (delta: 39.7MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2024-12-02 08:51:29,298 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:51:29,298 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.58ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 103.4MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 08:51:29,298 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.50ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 101.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:51:29,299 INFO L158 Benchmark]: Boogie Preprocessor took 35.95ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 99.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:51:29,299 INFO L158 Benchmark]: RCFGBuilder took 339.56ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 83.7MB in the end (delta: 15.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 08:51:29,299 INFO L158 Benchmark]: TraceAbstraction took 1363.63ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 76.7MB in the end (delta: 6.5MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2024-12-02 08:51:29,299 INFO L158 Benchmark]: Witness Printer took 3.84ms. Allocated memory is still 142.6MB. Free memory was 76.7MB in the beginning and 76.7MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:51:29,301 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.58ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 103.4MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.50ms. Allocated memory is still 142.6MB. Free memory was 103.1MB in the beginning and 101.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.95ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 99.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 339.56ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 83.7MB in the end (delta: 15.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1363.63ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 76.7MB in the end (delta: 6.5MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * Witness Printer took 3.84ms. Allocated memory is still 142.6MB. Free memory was 76.7MB in the beginning and 76.7MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 78, overapproximation of someBinaryFLOATComparisonOperation at line 43, overapproximation of someBinaryFLOATComparisonOperation at line 76, overapproximation of someBinaryFLOATComparisonOperation at line 104, overapproximation of someBinaryFLOATComparisonOperation at line 82, overapproximation of someBinaryFLOATComparisonOperation at line 84, overapproximation of someBinaryFLOATComparisonOperation at line 72, overapproximation of someBinaryFLOATComparisonOperation at line 74, overapproximation of someBinaryFLOATComparisonOperation at line 56, overapproximation of someBinaryFLOATComparisonOperation at line 68, overapproximation of someBinaryFLOATComparisonOperation at line 70, overapproximation of someBinaryFLOATComparisonOperation at line 80. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 32.8; [L23] float var_1_2 = 255.675; [L24] float var_1_3 = 5.5; [L25] float var_1_4 = 128.75; [L26] float var_1_5 = 4.5; [L27] float var_1_6 = 9.25; [L28] float var_1_7 = 3.75; [L29] float var_1_8 = 127.6; [L30] float var_1_9 = 256.5; [L31] float var_1_10 = 49.5; [L32] unsigned short int var_1_11 = 8; [L33] unsigned char var_1_12 = 0; [L34] unsigned short int var_1_13 = 256; [L35] unsigned char var_1_14 = 64; [L36] signed long int var_1_15 = -8; [L37] unsigned char var_1_16 = 10; [L38] float last_1_var_1_1 = 32.8; [L39] unsigned char last_1_var_1_14 = 64; VAL [isInitial=0, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_2=10227/40, var_1_3=11/2, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L108] isInitial = 1 [L109] FCALL initially() [L111] CALL updateLastVariables() [L100] last_1_var_1_1 = var_1_1 [L101] last_1_var_1_14 = var_1_14 VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_2=10227/40, var_1_3=11/2, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L111] RET updateLastVariables() [L112] CALL updateVariables() [L67] var_1_2 = __VERIFIER_nondet_float() [L68] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_3=11/2, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_3=11/2, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L68] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_3=11/2, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L69] var_1_3 = __VERIFIER_nondet_float() [L70] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L70] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_4=515/4, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L71] var_1_4 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L72] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_5=9/2, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L73] var_1_5 = __VERIFIER_nondet_float() [L74] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L74] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_6=37/4, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L75] var_1_6 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L76] RET assume_abort_if_not((var_1_6 >= -922337.2036854765600e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_7=15/4, var_1_8=638/5, var_1_9=513/2] [L77] var_1_7 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_8=638/5, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_8=638/5, var_1_9=513/2] [L78] RET assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_8=638/5, var_1_9=513/2] [L79] var_1_8 = __VERIFIER_nondet_float() [L80] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_9=513/2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_9=513/2] [L80] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5, var_1_9=513/2] [L81] var_1_9 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L82] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_10=99/2, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L83] var_1_10 = __VERIFIER_nondet_float() [L84] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L84] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=0, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L85] var_1_12 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L86] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L87] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L87] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=256, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L88] var_1_13 = __VERIFIER_nondet_ushort() [L89] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L89] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L90] CALL assume_abort_if_not(var_1_13 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L90] RET assume_abort_if_not(var_1_13 <= 65534) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=-8, var_1_16=10, var_1_1=164/5] [L91] var_1_15 = __VERIFIER_nondet_long() [L92] CALL assume_abort_if_not(var_1_15 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=10, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=10, var_1_1=164/5] [L92] RET assume_abort_if_not(var_1_15 >= -2147483648) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=10, var_1_1=164/5] [L93] CALL assume_abort_if_not(var_1_15 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=10, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=10, var_1_1=164/5] [L93] RET assume_abort_if_not(var_1_15 <= 2147483647) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=10, var_1_1=164/5] [L94] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=10, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=10, var_1_1=164/5] [L94] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=10, var_1_1=164/5] [L95] var_1_16 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_1=164/5] [L96] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_1=164/5] [L97] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=164/5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=164/5] [L97] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=164/5] [L112] RET updateVariables() [L113] CALL step() [L43] COND FALSE !(! ((var_1_4 - var_1_10) < last_1_var_1_1)) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=164/5] [L48] signed long int stepLocal_0 = var_1_13 / var_1_15; VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, stepLocal_0=1, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=164/5] [L49] COND FALSE !(stepLocal_0 <= (-8 + var_1_11)) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=164/5] [L56] COND FALSE !(var_1_2 <= var_1_3) [L63] var_1_1 = var_1_7 VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=2, var_1_7=2] [L113] RET step() [L114] CALL, EXPR property() [L104-L105] return (((var_1_2 <= var_1_3) ? ((var_1_3 < ((var_1_4 - var_1_5) + 1.395f)) ? (var_1_1 == ((float) var_1_6)) : (var_1_1 == ((float) (((((var_1_7) > (var_1_8)) ? (var_1_7) : (var_1_8))) + (var_1_9 - var_1_10))))) : (var_1_1 == ((float) var_1_7))) && ((! ((var_1_4 - var_1_10) < last_1_var_1_1)) ? (var_1_12 ? (var_1_11 == ((unsigned short int) last_1_var_1_14)) : 1) : 1)) && (((var_1_13 / var_1_15) <= (-8 + var_1_11)) ? ((! (64 < var_1_11)) ? (var_1_14 == ((unsigned char) var_1_16)) : (var_1_14 == ((unsigned char) var_1_16))) : 1) ; VAL [\result=0, isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=2, var_1_7=2] [L114] RET, EXPR property() [L114] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=2, var_1_7=2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_14=64, last_1_var_1_1=164/5, var_1_11=8, var_1_12=1, var_1_13=-65535, var_1_14=64, var_1_15=1, var_1_16=0, var_1_1=2, var_1_7=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, 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, 117 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 464 NumberOfCodeBlocks, 464 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 230 ConstructedInterpolants, 0 QuantifiedInterpolants, 230 SizeOfPredicates, 0 NumberOfNonLiveVariables, 263 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 1190/1224 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 [2024-12-02 08:51:29,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/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_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-48.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1 --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 955425a29175e5853e5d8a313646a7e1cafc0cd985e14620f3ff42793d441a21 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 08:51:31,247 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:51:31,328 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 08:51:31,334 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:51:31,334 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:51:31,358 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:51:31,358 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:51:31,358 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:51:31,359 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:51:31,359 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:51:31,359 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:51:31,359 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:51:31,359 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:51:31,359 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:51:31,359 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:51:31,360 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:51:31,360 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 08:51:31,360 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 08:51:31,360 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 08:51:31,360 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:51:31,360 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 08:51:31,360 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:51:31,360 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 08:51:31,361 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 08:51:31,361 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 08:51:31,361 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 08:51:31,361 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 08:51:31,361 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 08:51:31,361 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:51:31,361 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:51:31,361 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:51:31,361 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:51:31,361 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:51:31,361 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:51:31,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:51:31,361 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:51:31,362 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:51:31,362 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:51:31,362 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:51:31,362 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:51:31,362 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:51:31,362 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:51:31,362 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 08:51:31,362 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 08:51:31,362 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 08:51:31,362 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 08:51:31,362 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:51:31,362 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:51:31,362 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:51:31,363 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:51:31,363 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_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1 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 -> 955425a29175e5853e5d8a313646a7e1cafc0cd985e14620f3ff42793d441a21 [2024-12-02 08:51:31,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:51:31,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:51:31,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:51:31,604 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:51:31,604 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:51:31,606 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-48.i [2024-12-02 08:51:34,308 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/data/6355a7c90/2561af58404442748ac81fa692287276/FLAGe4dc27936 [2024-12-02 08:51:34,496 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:51:34,496 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-48.i [2024-12-02 08:51:34,503 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/data/6355a7c90/2561af58404442748ac81fa692287276/FLAGe4dc27936 [2024-12-02 08:51:34,874 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/data/6355a7c90/2561af58404442748ac81fa692287276 [2024-12-02 08:51:34,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:51:34,877 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:51:34,878 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:51:34,878 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:51:34,882 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:51:34,883 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:51:34" (1/1) ... [2024-12-02 08:51:34,884 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@320d8afa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:34, skipping insertion in model container [2024-12-02 08:51:34,884 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:51:34" (1/1) ... [2024-12-02 08:51:34,898 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:51:35,013 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_bc63af9a-5543-40be-89a1-22d82d7be1b0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-48.i[915,928] [2024-12-02 08:51:35,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:51:35,058 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 08:51:35,066 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_bc63af9a-5543-40be-89a1-22d82d7be1b0/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-48.i[915,928] [2024-12-02 08:51:35,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:51:35,094 INFO L204 MainTranslator]: Completed translation [2024-12-02 08:51:35,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:35 WrapperNode [2024-12-02 08:51:35,095 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 08:51:35,096 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 08:51:35,096 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 08:51:35,096 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 08:51:35,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:35" (1/1) ... [2024-12-02 08:51:35,108 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:35" (1/1) ... [2024-12-02 08:51:35,125 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 123 [2024-12-02 08:51:35,126 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 08:51:35,126 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 08:51:35,126 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 08:51:35,126 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 08:51:35,135 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:35" (1/1) ... [2024-12-02 08:51:35,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:35" (1/1) ... [2024-12-02 08:51:35,139 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:35" (1/1) ... [2024-12-02 08:51:35,150 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]. [2024-12-02 08:51:35,150 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:35" (1/1) ... [2024-12-02 08:51:35,151 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:35" (1/1) ... [2024-12-02 08:51:35,158 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:35" (1/1) ... [2024-12-02 08:51:35,159 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:35" (1/1) ... [2024-12-02 08:51:35,162 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:35" (1/1) ... [2024-12-02 08:51:35,164 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:35" (1/1) ... [2024-12-02 08:51:35,166 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:35" (1/1) ... [2024-12-02 08:51:35,168 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 08:51:35,169 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 08:51:35,169 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 08:51:35,169 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 08:51:35,171 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:35" (1/1) ... [2024-12-02 08:51:35,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:51:35,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:51:35,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 08:51:35,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 08:51:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 08:51:35,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 08:51:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 08:51:35,220 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 08:51:35,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 08:51:35,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 08:51:35,281 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 08:51:35,283 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 08:51:38,338 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-02 08:51:38,338 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 08:51:38,344 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 08:51:38,345 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 08:51:38,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:51:38 BoogieIcfgContainer [2024-12-02 08:51:38,345 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 08:51:38,346 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 08:51:38,346 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 08:51:38,349 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 08:51:38,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:51:34" (1/3) ... [2024-12-02 08:51:38,350 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@680094b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:51:38, skipping insertion in model container [2024-12-02 08:51:38,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:51:35" (2/3) ... [2024-12-02 08:51:38,350 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@680094b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:51:38, skipping insertion in model container [2024-12-02 08:51:38,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:51:38" (3/3) ... [2024-12-02 08:51:38,351 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-48.i [2024-12-02 08:51:38,361 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 08:51:38,362 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-while_file-48.i that has 2 procedures, 57 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 08:51:38,396 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 08:51:38,404 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;@56b36b27, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 08:51:38,404 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 08:51:38,407 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 37 states have internal predecessors, (47), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 08:51:38,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-02 08:51:38,413 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:51:38,413 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:51:38,414 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:51:38,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:51:38,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1082007897, now seen corresponding path program 1 times [2024-12-02 08:51:38,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:51:38,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1109684159] [2024-12-02 08:51:38,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:51:38,425 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 [2024-12-02 08:51:38,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:51:38,427 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 08:51:38,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 08:51:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:51:38,785 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 08:51:38,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:51:38,823 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-12-02 08:51:38,823 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:51:38,824 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 08:51:38,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1109684159] [2024-12-02 08:51:38,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1109684159] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:51:38,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:51:38,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 08:51:38,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313533049] [2024-12-02 08:51:38,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:51:38,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 08:51:38,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 08:51:38,844 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 08:51:38,844 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 08:51:38,845 INFO L87 Difference]: Start difference. First operand has 57 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 37 states have internal predecessors, (47), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 08:51:38,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:51:38,864 INFO L93 Difference]: Finished difference Result 107 states and 178 transitions. [2024-12-02 08:51:38,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 08:51:38,865 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 116 [2024-12-02 08:51:38,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:51:38,871 INFO L225 Difference]: With dead ends: 107 [2024-12-02 08:51:38,872 INFO L226 Difference]: Without dead ends: 53 [2024-12-02 08:51:38,875 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 08:51:38,877 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 [2024-12-02 08:51:38,878 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] [2024-12-02 08:51:38,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-12-02 08:51:38,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-12-02 08:51:38,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 33 states have internal predecessors, (40), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-12-02 08:51:38,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2024-12-02 08:51:38,915 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 116 [2024-12-02 08:51:38,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:51:38,916 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2024-12-02 08:51:38,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 08:51:38,916 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2024-12-02 08:51:38,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-12-02 08:51:38,919 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:51:38,920 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:51:38,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 08:51:39,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 08:51:39,120 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 08:51:39,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:51:39,121 INFO L85 PathProgramCache]: Analyzing trace with hash 505023597, now seen corresponding path program 1 times [2024-12-02 08:51:39,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 08:51:39,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1350830185] [2024-12-02 08:51:39,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:51:39,122 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 [2024-12-02 08:51:39,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 08:51:39,124 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/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) [2024-12-02 08:51:39,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc63af9a-5543-40be-89a1-22d82d7be1b0/bin/uautomizer-verify-84ZbGMXZE1/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 [2024-12-02 08:51:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:51:39,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 08:51:39,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:53:47,611 WARN L286 SmtUtils]: Spent 5.44s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 08:54:24,013 WARN L286 SmtUtils]: Spent 8.05s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 08:54:33,465 WARN L286 SmtUtils]: Spent 5.43s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 08:54:45,636 WARN L286 SmtUtils]: Spent 6.91s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 08:54:51,391 WARN L286 SmtUtils]: Spent 5.75s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 08:54:59,447 WARN L286 SmtUtils]: Spent 8.05s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 08:55:07,497 WARN L286 SmtUtils]: Spent 8.05s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 08:55:15,545 WARN L286 SmtUtils]: Spent 8.05s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 08:55:23,590 WARN L286 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 08:55:31,639 WARN L286 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 08:55:39,684 WARN L286 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 08:55:47,257 WARN L286 SmtUtils]: Spent 7.57s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 08:55:55,302 WARN L286 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 08:56:04,641 WARN L286 SmtUtils]: Spent 5.60s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 08:56:22,932 WARN L286 SmtUtils]: Spent 6.67s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 08:56:57,601 WARN L286 SmtUtils]: Spent 6.09s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 08:57:33,613 WARN L286 SmtUtils]: Spent 5.88s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 08:57:44,561 WARN L286 SmtUtils]: Spent 5.76s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 08:57:50,118 WARN L286 SmtUtils]: Spent 5.56s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 08:59:54,543 WARN L286 SmtUtils]: Spent 6.20s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 09:00:29,670 WARN L286 SmtUtils]: Spent 5.14s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 09:00:42,209 WARN L286 SmtUtils]: Spent 7.61s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 09:00:48,201 WARN L286 SmtUtils]: Spent 5.99s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 09:01:00,364 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 09:01:08,413 WARN L286 SmtUtils]: Spent 8.05s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 09:01:16,454 WARN L286 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 09:01:23,523 WARN L286 SmtUtils]: Spent 7.06s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 09:01:31,566 WARN L286 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 09:01:39,608 WARN L286 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 09:01:47,651 WARN L286 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 09:01:57,516 WARN L286 SmtUtils]: Spent 5.51s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 09:02:02,742 WARN L286 SmtUtils]: Spent 5.23s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 09:02:19,147 WARN L286 SmtUtils]: Spent 7.46s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 09:03:05,486 WARN L286 SmtUtils]: Spent 5.59s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 09:03:29,430 WARN L286 SmtUtils]: Spent 5.64s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 09:03:46,161 WARN L286 SmtUtils]: Spent 6.08s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 09:03:51,639 WARN L286 SmtUtils]: Spent 5.10s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 09:03:57,768 WARN L286 SmtUtils]: Spent 6.13s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 09:04:03,615 WARN L286 SmtUtils]: Spent 5.85s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 09:06:22,764 WARN L286 SmtUtils]: Spent 5.69s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)