./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-39.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_2aaa69ee-f24e-4389-b381-e54492078e39/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aaa69ee-f24e-4389-b381-e54492078e39/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_2aaa69ee-f24e-4389-b381-e54492078e39/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aaa69ee-f24e-4389-b381-e54492078e39/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-39.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aaa69ee-f24e-4389-b381-e54492078e39/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_2aaa69ee-f24e-4389-b381-e54492078e39/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 6cf121e3b47e416b331fd217f307633c7308ddf0dfc6366598b1002ae90b91c8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:14:17,344 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:14:17,404 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aaa69ee-f24e-4389-b381-e54492078e39/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 13:14:17,409 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:14:17,409 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:14:17,431 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:14:17,432 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:14:17,432 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:14:17,432 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:14:17,432 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:14:17,432 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:14:17,432 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:14:17,433 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:14:17,433 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:14:17,433 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:14:17,433 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:14:17,433 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:14:17,433 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 13:14:17,433 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 13:14:17,433 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 13:14:17,433 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:14:17,434 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:14:17,434 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:14:17,434 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:14:17,434 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 13:14:17,434 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:14:17,434 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:14:17,434 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:14:17,434 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:14:17,434 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:14:17,434 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:14:17,434 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:14:17,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:14:17,435 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:14:17,435 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:14:17,435 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:14:17,435 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:14:17,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:14:17,435 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:14:17,435 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:14:17,435 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:14:17,435 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:14:17,435 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 13:14:17,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 13:14:17,436 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:14:17,436 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:14:17,436 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:14:17,436 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:14:17,436 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_2aaa69ee-f24e-4389-b381-e54492078e39/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 -> 6cf121e3b47e416b331fd217f307633c7308ddf0dfc6366598b1002ae90b91c8 [2024-12-02 13:14:17,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:14:17,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:14:17,670 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:14:17,671 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:14:17,671 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:14:17,672 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aaa69ee-f24e-4389-b381-e54492078e39/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-39.i [2024-12-02 13:14:20,317 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aaa69ee-f24e-4389-b381-e54492078e39/bin/uautomizer-verify-84ZbGMXZE1/data/3635fb42e/d0edfb80c6934e7ab5e6e6056b4b79f4/FLAG1e5ddfcfc [2024-12-02 13:14:20,542 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:14:20,543 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aaa69ee-f24e-4389-b381-e54492078e39/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-39.i [2024-12-02 13:14:20,550 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aaa69ee-f24e-4389-b381-e54492078e39/bin/uautomizer-verify-84ZbGMXZE1/data/3635fb42e/d0edfb80c6934e7ab5e6e6056b4b79f4/FLAG1e5ddfcfc [2024-12-02 13:14:20,561 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aaa69ee-f24e-4389-b381-e54492078e39/bin/uautomizer-verify-84ZbGMXZE1/data/3635fb42e/d0edfb80c6934e7ab5e6e6056b4b79f4 [2024-12-02 13:14:20,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:14:20,565 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:14:20,566 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:14:20,566 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:14:20,571 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:14:20,571 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:14:20" (1/1) ... [2024-12-02 13:14:20,572 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fa26c9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:20, skipping insertion in model container [2024-12-02 13:14:20,572 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:14:20" (1/1) ... [2024-12-02 13:14:20,591 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:14:20,689 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_2aaa69ee-f24e-4389-b381-e54492078e39/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-39.i[915,928] [2024-12-02 13:14:20,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:14:20,749 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:14:20,759 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_2aaa69ee-f24e-4389-b381-e54492078e39/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-39.i[915,928] [2024-12-02 13:14:20,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:14:20,795 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:14:20,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:20 WrapperNode [2024-12-02 13:14:20,795 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:14:20,796 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:14:20,796 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:14:20,796 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:14:20,801 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:20" (1/1) ... [2024-12-02 13:14:20,809 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:20" (1/1) ... [2024-12-02 13:14:20,833 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 157 [2024-12-02 13:14:20,833 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:14:20,834 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:14:20,834 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:14:20,834 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:14:20,843 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:20" (1/1) ... [2024-12-02 13:14:20,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:20" (1/1) ... [2024-12-02 13:14:20,845 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:20" (1/1) ... [2024-12-02 13:14:20,859 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 13:14:20,859 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:20" (1/1) ... [2024-12-02 13:14:20,859 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:20" (1/1) ... [2024-12-02 13:14:20,865 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:20" (1/1) ... [2024-12-02 13:14:20,866 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:20" (1/1) ... [2024-12-02 13:14:20,869 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:20" (1/1) ... [2024-12-02 13:14:20,871 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:20" (1/1) ... [2024-12-02 13:14:20,872 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:20" (1/1) ... [2024-12-02 13:14:20,874 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:14:20,875 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:14:20,875 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:14:20,875 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:14:20,876 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:20" (1/1) ... [2024-12-02 13:14:20,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:14:20,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aaa69ee-f24e-4389-b381-e54492078e39/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:14:20,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aaa69ee-f24e-4389-b381-e54492078e39/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:14:20,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aaa69ee-f24e-4389-b381-e54492078e39/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:14:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:14:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 13:14:20,932 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 13:14:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 13:14:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:14:20,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:14:21,001 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:14:21,003 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:14:21,280 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-12-02 13:14:21,280 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:14:21,288 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:14:21,288 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 13:14:21,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:14:21 BoogieIcfgContainer [2024-12-02 13:14:21,288 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:14:21,290 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:14:21,290 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:14:21,294 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:14:21,294 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:14:20" (1/3) ... [2024-12-02 13:14:21,294 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@567622c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:14:21, skipping insertion in model container [2024-12-02 13:14:21,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:20" (2/3) ... [2024-12-02 13:14:21,295 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@567622c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:14:21, skipping insertion in model container [2024-12-02 13:14:21,295 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:14:21" (3/3) ... [2024-12-02 13:14:21,296 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-39.i [2024-12-02 13:14:21,306 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:14:21,307 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-39.i that has 2 procedures, 67 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 13:14:21,348 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:14:21,357 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;@76c51516, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:14:21,357 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:14:21,360 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 48 states have (on average 1.4166666666666667) internal successors, (68), 49 states have internal predecessors, (68), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 13:14:21,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-02 13:14:21,367 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:14:21,368 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:21,368 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:14:21,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:14:21,372 INFO L85 PathProgramCache]: Analyzing trace with hash 511075673, now seen corresponding path program 1 times [2024-12-02 13:14:21,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:14:21,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160992969] [2024-12-02 13:14:21,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:14:21,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:14:21,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:14:21,596 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-12-02 13:14:21,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:14:21,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160992969] [2024-12-02 13:14:21,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160992969] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:14:21,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1765268943] [2024-12-02 13:14:21,598 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:14:21,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:14:21,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aaa69ee-f24e-4389-b381-e54492078e39/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:14:21,602 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aaa69ee-f24e-4389-b381-e54492078e39/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:14:21,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aaa69ee-f24e-4389-b381-e54492078e39/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 13:14:21,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:14:21,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 13:14:21,756 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:14:21,778 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2024-12-02 13:14:21,778 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:14:21,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1765268943] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:14:21,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 13:14:21,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 13:14:21,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525738099] [2024-12-02 13:14:21,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:14:21,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:14:21,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:14:21,806 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:14:21,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:14:21,809 INFO L87 Difference]: Start difference. First operand has 67 states, 48 states have (on average 1.4166666666666667) internal successors, (68), 49 states have internal predecessors, (68), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 13:14:21,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:14:21,834 INFO L93 Difference]: Finished difference Result 127 states and 210 transitions. [2024-12-02 13:14:21,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:14:21,836 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 111 [2024-12-02 13:14:21,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:14:21,842 INFO L225 Difference]: With dead ends: 127 [2024-12-02 13:14:21,843 INFO L226 Difference]: Without dead ends: 63 [2024-12-02 13:14:21,846 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 112 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 13:14:21,849 INFO L435 NwaCegarLoop]: 93 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, 93 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 13:14:21,850 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:14:21,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-12-02 13:14:21,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-12-02 13:14:21,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 45 states have internal predecessors, (61), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 13:14:21,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 93 transitions. [2024-12-02 13:14:21,882 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 93 transitions. Word has length 111 [2024-12-02 13:14:21,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:14:21,882 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 93 transitions. [2024-12-02 13:14:21,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 13:14:21,883 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 93 transitions. [2024-12-02 13:14:21,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-02 13:14:21,885 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:14:21,885 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:21,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aaa69ee-f24e-4389-b381-e54492078e39/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 13:14:22,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aaa69ee-f24e-4389-b381-e54492078e39/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 13:14:22,086 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:14:22,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:14:22,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1987525023, now seen corresponding path program 1 times [2024-12-02 13:14:22,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:14:22,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534703614] [2024-12-02 13:14:22,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:14:22,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:14:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:14:22,548 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-02 13:14:22,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 13:14:22,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534703614] [2024-12-02 13:14:22,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534703614] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:14:22,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:14:22,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 13:14:22,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128787929] [2024-12-02 13:14:22,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:14:22,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 13:14:22,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 13:14:22,550 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 13:14:22,550 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 13:14:22,550 INFO L87 Difference]: Start difference. First operand 63 states and 93 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 13:14:22,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:14:22,780 INFO L93 Difference]: Finished difference Result 186 states and 277 transitions. [2024-12-02 13:14:22,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 13:14:22,781 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 111 [2024-12-02 13:14:22,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:14:22,783 INFO L225 Difference]: With dead ends: 186 [2024-12-02 13:14:22,783 INFO L226 Difference]: Without dead ends: 126 [2024-12-02 13:14:22,783 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-12-02 13:14:22,784 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 74 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-12-02 13:14:22,784 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 376 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-12-02 13:14:22,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-12-02 13:14:22,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 117. [2024-12-02 13:14:22,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 82 states have (on average 1.3414634146341464) internal successors, (110), 82 states have internal predecessors, (110), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-12-02 13:14:22,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 174 transitions. [2024-12-02 13:14:22,807 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 174 transitions. Word has length 111 [2024-12-02 13:14:22,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:14:22,807 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 174 transitions. [2024-12-02 13:14:22,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-12-02 13:14:22,808 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 174 transitions. [2024-12-02 13:14:22,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-02 13:14:22,809 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:14:22,809 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:22,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 13:14:22,810 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:14:22,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:14:22,810 INFO L85 PathProgramCache]: Analyzing trace with hash -976407773, now seen corresponding path program 1 times [2024-12-02 13:14:22,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 13:14:22,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967281902] [2024-12-02 13:14:22,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:14:22,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:14:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:14:23,125 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:14:23,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:14:23,420 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 13:14:23,421 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 13:14:23,422 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 13:14:23,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 13:14:23,427 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 13:14:23,489 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 13:14:23,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:14:23 BoogieIcfgContainer [2024-12-02 13:14:23,492 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 13:14:23,493 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 13:14:23,493 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 13:14:23,493 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 13:14:23,493 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:14:21" (3/4) ... [2024-12-02 13:14:23,496 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 13:14:23,496 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 13:14:23,497 INFO L158 Benchmark]: Toolchain (without parser) took 2932.64ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 117.3MB in the beginning and 181.5MB in the end (delta: -64.3MB). Peak memory consumption was 115.5MB. Max. memory is 16.1GB. [2024-12-02 13:14:23,497 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:14:23,498 INFO L158 Benchmark]: CACSL2BoogieTranslator took 229.66ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 103.0MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 13:14:23,498 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.20ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 100.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:14:23,498 INFO L158 Benchmark]: Boogie Preprocessor took 40.70ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 97.5MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:14:23,498 INFO L158 Benchmark]: RCFGBuilder took 413.63ms. Allocated memory is still 142.6MB. Free memory was 97.5MB in the beginning and 77.7MB in the end (delta: 19.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-02 13:14:23,499 INFO L158 Benchmark]: TraceAbstraction took 2201.67ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 77.0MB in the beginning and 181.6MB in the end (delta: -104.6MB). Peak memory consumption was 73.5MB. Max. memory is 16.1GB. [2024-12-02 13:14:23,499 INFO L158 Benchmark]: Witness Printer took 3.97ms. Allocated memory is still 327.2MB. Free memory was 181.6MB in the beginning and 181.5MB in the end (delta: 17.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:14:23,500 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 229.66ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 103.0MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.20ms. Allocated memory is still 142.6MB. Free memory was 103.0MB in the beginning and 100.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.70ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 97.5MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 413.63ms. Allocated memory is still 142.6MB. Free memory was 97.5MB in the beginning and 77.7MB in the end (delta: 19.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2201.67ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 77.0MB in the beginning and 181.6MB in the end (delta: -104.6MB). Peak memory consumption was 73.5MB. Max. memory is 16.1GB. * Witness Printer took 3.97ms. Allocated memory is still 327.2MB. Free memory was 181.6MB in the beginning and 181.5MB in the end (delta: 17.7kB). 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 110, overapproximation of someBinaryFLOATComparisonOperation at line 108, overapproximation of someBinaryFLOATComparisonOperation at line 69, overapproximation of someBinaryFLOATComparisonOperation at line 126, overapproximation of someBinaryFLOATComparisonOperation at line 112, overapproximation of someBinaryFLOATComparisonOperation at line 114, overapproximation of someBinaryArithmeticFLOAToperation at line 69. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -1; [L23] unsigned char var_1_6 = 0; [L24] signed short int var_1_7 = 8; [L25] signed short int var_1_8 = 4; [L26] unsigned long int var_1_9 = 256; [L27] unsigned long int var_1_10 = 10; [L28] unsigned long int var_1_11 = 3084274888; [L29] unsigned long int var_1_13 = 50; [L30] signed long int var_1_14 = -10; [L31] unsigned char var_1_16 = 0; [L32] float var_1_19 = 4.5; [L33] float var_1_20 = 15.375; [L34] float var_1_21 = 32.725; [L35] float var_1_22 = 63.5; [L36] float var_1_23 = 16.375; [L37] signed char var_1_24 = -32; [L38] signed char var_1_25 = 0; [L39] unsigned short int var_1_26 = 64; [L40] unsigned long int last_1_var_1_9 = 256; [L41] unsigned long int last_1_var_1_10 = 10; [L42] signed long int last_1_var_1_14 = -10; [L43] signed char last_1_var_1_24 = -32; VAL [isInitial=0, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=0, var_1_7=8, var_1_8=4, var_1_9=256] [L130] isInitial = 1 [L131] FCALL initially() [L133] CALL updateLastVariables() [L120] last_1_var_1_9 = var_1_9 [L121] last_1_var_1_10 = var_1_10 [L122] last_1_var_1_14 = var_1_14 [L123] last_1_var_1_24 = var_1_24 VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=0, var_1_7=8, var_1_8=4, var_1_9=256] [L133] RET updateLastVariables() [L134] CALL updateVariables() [L92] var_1_6 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_7=8, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_7=8, var_1_8=4, var_1_9=256] [L93] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_7=8, var_1_8=4, var_1_9=256] [L94] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=8, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=8, var_1_8=4, var_1_9=256] [L94] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=8, var_1_8=4, var_1_9=256] [L95] var_1_7 = __VERIFIER_nondet_short() [L96] CALL assume_abort_if_not(var_1_7 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=4, var_1_9=256] [L96] RET assume_abort_if_not(var_1_7 >= -1) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=4, var_1_9=256] [L97] CALL assume_abort_if_not(var_1_7 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=4, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=4, var_1_9=256] [L97] RET assume_abort_if_not(var_1_7 <= 32766) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=4, var_1_9=256] [L98] var_1_8 = __VERIFIER_nondet_short() [L99] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L99] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L100] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L100] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=3084274888, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L101] var_1_11 = __VERIFIER_nondet_ulong() [L102] CALL assume_abort_if_not(var_1_11 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-2147483649, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-2147483649, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L102] RET assume_abort_if_not(var_1_11 >= 2147483647) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-2147483649, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L103] CALL assume_abort_if_not(var_1_11 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-2147483649, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-2147483649, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L103] RET assume_abort_if_not(var_1_11 <= 4294967294) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-2147483649, var_1_13=50, var_1_14=-10, var_1_16=0, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L104] var_1_16 = __VERIFIER_nondet_uchar() [L105] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-2147483649, var_1_13=50, var_1_14=-10, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-2147483649, var_1_13=50, var_1_14=-10, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L105] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-2147483649, var_1_13=50, var_1_14=-10, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L106] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-2147483649, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-2147483649, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L106] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-2147483649, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_20=123/8, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L107] var_1_20 = __VERIFIER_nondet_float() [L108] CALL assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-2147483649, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-2147483649, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L108] RET assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-2147483649, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_21=1309/40, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L109] var_1_21 = __VERIFIER_nondet_float() [L110] CALL assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-2147483649, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-2147483649, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L110] RET assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-2147483649, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_22=127/2, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L111] var_1_22 = __VERIFIER_nondet_float() [L112] CALL assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-2147483649, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-2147483649, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L112] RET assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-2147483649, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_23=131/8, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L113] var_1_23 = __VERIFIER_nondet_float() [L114] CALL assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-2147483649, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-2147483649, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L114] RET assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-2147483649, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=0, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L115] var_1_25 = __VERIFIER_nondet_char() [L116] CALL assume_abort_if_not(var_1_25 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-2147483649, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=67, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-2147483649, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=67, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L116] RET assume_abort_if_not(var_1_25 >= -127) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-2147483649, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=67, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L117] CALL assume_abort_if_not(var_1_25 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-2147483649, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=67, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-2147483649, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=67, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L117] RET assume_abort_if_not(var_1_25 <= 126) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-2147483649, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=67, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L134] RET updateVariables() [L135] CALL step() [L47] EXPR (last_1_var_1_10 + last_1_var_1_14) ^ last_1_var_1_10 VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-2147483649, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=-1, var_1_24=-32, var_1_25=67, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L47] unsigned long int stepLocal_0 = (last_1_var_1_10 + last_1_var_1_14) ^ last_1_var_1_10; [L48] COND TRUE stepLocal_0 < (last_1_var_1_24 | -4) [L49] var_1_1 = (var_1_7 - var_1_8) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=10, var_1_11=-2147483649, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=69, var_1_24=-32, var_1_25=67, var_1_26=64, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L53] var_1_24 = var_1_25 [L54] var_1_26 = var_1_8 [L55] var_1_10 = ((((((((var_1_11 - var_1_8) < 0 ) ? -(var_1_11 - var_1_8) : (var_1_11 - var_1_8)))) < (((((0u) > (var_1_26)) ? (0u) : (var_1_26))))) ? (((((var_1_11 - var_1_8) < 0 ) ? -(var_1_11 - var_1_8) : (var_1_11 - var_1_8)))) : (((((0u) > (var_1_26)) ? (0u) : (var_1_26)))))) [L56] unsigned long int stepLocal_3 = var_1_8 / (1u + 16u); [L57] unsigned long int stepLocal_2 = var_1_11; VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, stepLocal_2=-2147483649, stepLocal_3=4, var_1_10=68, var_1_11=-2147483649, var_1_13=50, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=69, var_1_24=67, var_1_25=67, var_1_26=68, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L58] COND FALSE !(var_1_26 < stepLocal_3) [L65] var_1_13 = var_1_8 VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, stepLocal_2=-2147483649, var_1_10=68, var_1_11=-2147483649, var_1_13=68, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=69, var_1_24=67, var_1_25=67, var_1_26=68, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L67] signed short int stepLocal_4 = var_1_8; VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, stepLocal_2=-2147483649, stepLocal_4=68, var_1_10=68, var_1_11=-2147483649, var_1_13=68, var_1_14=-10, var_1_16=1, var_1_19=9/2, var_1_1=69, var_1_24=67, var_1_25=67, var_1_26=68, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L68] COND TRUE stepLocal_4 <= var_1_13 [L69] var_1_19 = (((((((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))) + var_1_22)) > (var_1_23)) ? ((((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))) + var_1_22)) : (var_1_23))) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, stepLocal_2=-2147483649, var_1_10=68, var_1_11=-2147483649, var_1_13=68, var_1_14=-10, var_1_16=1, var_1_19=3084274893, var_1_1=69, var_1_23=3084274893, var_1_24=67, var_1_25=67, var_1_26=68, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L73] unsigned long int stepLocal_1 = var_1_10; VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, stepLocal_1=68, stepLocal_2=-2147483649, var_1_10=68, var_1_11=-2147483649, var_1_13=68, var_1_14=-10, var_1_16=1, var_1_19=3084274893, var_1_1=69, var_1_23=3084274893, var_1_24=67, var_1_25=67, var_1_26=68, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L74] COND FALSE !(stepLocal_1 >= ((((var_1_1) < (last_1_var_1_9)) ? (var_1_1) : (last_1_var_1_9)))) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, stepLocal_2=-2147483649, var_1_10=68, var_1_11=-2147483649, var_1_13=68, var_1_14=-10, var_1_16=1, var_1_19=3084274893, var_1_1=69, var_1_23=3084274893, var_1_24=67, var_1_25=67, var_1_26=68, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L79] COND FALSE !(var_1_26 >= var_1_7) [L88] var_1_14 = var_1_24 VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, stepLocal_2=-2147483649, var_1_10=68, var_1_11=-2147483649, var_1_13=68, var_1_14=67, var_1_16=1, var_1_19=3084274893, var_1_1=69, var_1_23=3084274893, var_1_24=67, var_1_25=67, var_1_26=68, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L135] RET step() [L136] CALL, EXPR property() [L126] EXPR (last_1_var_1_10 + last_1_var_1_14) ^ last_1_var_1_10 VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=68, var_1_11=-2147483649, var_1_13=68, var_1_14=67, var_1_16=1, var_1_19=3084274893, var_1_1=69, var_1_23=3084274893, var_1_24=67, var_1_25=67, var_1_26=68, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L126-L127] return ((((((((((last_1_var_1_10 + last_1_var_1_14) ^ last_1_var_1_10) < (last_1_var_1_24 | -4)) ? (var_1_1 == ((signed short int) (var_1_7 - var_1_8))) : (var_1_1 == ((signed short int) (last_1_var_1_10 + -16)))) && ((var_1_10 >= ((((var_1_1) < (last_1_var_1_9)) ? (var_1_1) : (last_1_var_1_9)))) ? (var_1_6 ? (var_1_9 == ((unsigned long int) var_1_8)) : 1) : 1)) && (var_1_10 == ((unsigned long int) ((((((((var_1_11 - var_1_8) < 0 ) ? -(var_1_11 - var_1_8) : (var_1_11 - var_1_8)))) < (((((0u) > (var_1_26)) ? (0u) : (var_1_26))))) ? (((((var_1_11 - var_1_8) < 0 ) ? -(var_1_11 - var_1_8) : (var_1_11 - var_1_8)))) : (((((0u) > (var_1_26)) ? (0u) : (var_1_26))))))))) && ((var_1_26 < (var_1_8 / (1u + 16u))) ? ((var_1_11 > (var_1_26 + 5u)) ? (var_1_13 == ((unsigned long int) ((((var_1_26) > (var_1_11)) ? (var_1_26) : (var_1_11))))) : (var_1_13 == ((unsigned long int) 5u))) : (var_1_13 == ((unsigned long int) var_1_8)))) && ((var_1_26 >= var_1_7) ? ((var_1_1 > var_1_11) ? ((var_1_6 && var_1_16) ? (var_1_14 == ((signed long int) (var_1_7 - (var_1_26 + var_1_8)))) : (var_1_14 == ((signed long int) var_1_26))) : 1) : (var_1_14 == ((signed long int) var_1_24)))) && ((var_1_8 <= var_1_13) ? (var_1_19 == ((float) (((((((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))) + var_1_22)) > (var_1_23)) ? ((((((var_1_20) < (var_1_21)) ? (var_1_20) : (var_1_21))) + var_1_22)) : (var_1_23))))) : (var_1_19 == ((float) var_1_22)))) && (var_1_24 == ((signed char) var_1_25))) && (var_1_26 == ((unsigned short int) var_1_8)) ; [L136] RET, EXPR property() [L136] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=68, var_1_11=-2147483649, var_1_13=68, var_1_14=67, var_1_16=1, var_1_19=3084274893, var_1_1=69, var_1_23=3084274893, var_1_24=67, var_1_25=67, var_1_26=68, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_14=-10, last_1_var_1_24=-32, last_1_var_1_9=256, var_1_10=68, var_1_11=-2147483649, var_1_13=68, var_1_14=67, var_1_16=1, var_1_19=3084274893, var_1_1=69, var_1_23=3084274893, var_1_24=67, var_1_25=67, var_1_26=68, var_1_6=1, var_1_7=137, var_1_8=68, var_1_9=256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 3, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 74 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 74 mSDsluCounter, 469 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 300 mSDsCounter, 51 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 83 IncrementalHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 51 mSolverCounterUnsat, 169 mSDtfsCounter, 83 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred in iteration=2, InterpolantAutomatonStates: 8, 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, 2 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 444 NumberOfCodeBlocks, 444 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 330 ConstructedInterpolants, 0 QuantifiedInterpolants, 402 SizeOfPredicates, 0 NumberOfNonLiveVariables, 287 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 1410/1440 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 13:14:23,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aaa69ee-f24e-4389-b381-e54492078e39/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_2aaa69ee-f24e-4389-b381-e54492078e39/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aaa69ee-f24e-4389-b381-e54492078e39/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_2aaa69ee-f24e-4389-b381-e54492078e39/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aaa69ee-f24e-4389-b381-e54492078e39/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-39.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aaa69ee-f24e-4389-b381-e54492078e39/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_2aaa69ee-f24e-4389-b381-e54492078e39/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 6cf121e3b47e416b331fd217f307633c7308ddf0dfc6366598b1002ae90b91c8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:14:25,463 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:14:25,547 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aaa69ee-f24e-4389-b381-e54492078e39/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 13:14:25,554 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:14:25,554 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:14:25,576 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:14:25,577 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:14:25,577 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:14:25,577 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:14:25,577 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:14:25,577 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 13:14:25,577 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 13:14:25,578 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:14:25,578 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:14:25,578 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:14:25,578 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:14:25,578 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 13:14:25,578 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 13:14:25,578 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 13:14:25,578 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:14:25,579 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 13:14:25,579 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 13:14:25,579 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 13:14:25,579 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 13:14:25,579 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 13:14:25,579 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 13:14:25,579 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 13:14:25,579 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:14:25,579 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:14:25,579 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:14:25,580 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 13:14:25,580 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:14:25,580 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:14:25,580 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:14:25,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:14:25,580 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:14:25,580 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:14:25,580 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 13:14:25,580 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 13:14:25,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:14:25,581 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:14:25,581 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 13:14:25,581 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 13:14:25,581 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 13:14:25,581 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 13:14:25,581 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 13:14:25,581 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 13:14:25,581 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 13:14:25,581 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 13:14:25,581 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 13:14:25,582 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_2aaa69ee-f24e-4389-b381-e54492078e39/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 -> 6cf121e3b47e416b331fd217f307633c7308ddf0dfc6366598b1002ae90b91c8 [2024-12-02 13:14:25,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:14:25,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:14:25,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:14:25,831 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:14:25,831 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:14:25,832 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aaa69ee-f24e-4389-b381-e54492078e39/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-39.i [2024-12-02 13:14:28,456 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aaa69ee-f24e-4389-b381-e54492078e39/bin/uautomizer-verify-84ZbGMXZE1/data/89d15834b/4ff7ced86e3941b7bbe24c738c778ee9/FLAG449565f5b [2024-12-02 13:14:28,630 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:14:28,631 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aaa69ee-f24e-4389-b381-e54492078e39/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-39.i [2024-12-02 13:14:28,638 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aaa69ee-f24e-4389-b381-e54492078e39/bin/uautomizer-verify-84ZbGMXZE1/data/89d15834b/4ff7ced86e3941b7bbe24c738c778ee9/FLAG449565f5b [2024-12-02 13:14:28,651 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aaa69ee-f24e-4389-b381-e54492078e39/bin/uautomizer-verify-84ZbGMXZE1/data/89d15834b/4ff7ced86e3941b7bbe24c738c778ee9 [2024-12-02 13:14:28,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:14:28,654 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:14:28,655 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:14:28,655 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:14:28,660 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:14:28,660 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:14:28" (1/1) ... [2024-12-02 13:14:28,661 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@667f9f63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:28, skipping insertion in model container [2024-12-02 13:14:28,661 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:14:28" (1/1) ... [2024-12-02 13:14:28,677 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:14:28,780 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_2aaa69ee-f24e-4389-b381-e54492078e39/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-39.i[915,928] [2024-12-02 13:14:28,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:14:28,845 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:14:28,853 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_2aaa69ee-f24e-4389-b381-e54492078e39/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-39.i[915,928] [2024-12-02 13:14:28,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:14:28,896 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:14:28,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:28 WrapperNode [2024-12-02 13:14:28,897 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:14:28,898 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:14:28,898 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:14:28,898 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:14:28,904 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:28" (1/1) ... [2024-12-02 13:14:28,915 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:28" (1/1) ... [2024-12-02 13:14:28,938 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 133 [2024-12-02 13:14:28,938 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:14:28,938 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:14:28,938 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:14:28,939 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:14:28,947 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:28" (1/1) ... [2024-12-02 13:14:28,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:28" (1/1) ... [2024-12-02 13:14:28,950 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:28" (1/1) ... [2024-12-02 13:14:28,960 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 13:14:28,960 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:28" (1/1) ... [2024-12-02 13:14:28,960 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:28" (1/1) ... [2024-12-02 13:14:28,969 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:28" (1/1) ... [2024-12-02 13:14:28,970 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:28" (1/1) ... [2024-12-02 13:14:28,973 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:28" (1/1) ... [2024-12-02 13:14:28,975 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:28" (1/1) ... [2024-12-02 13:14:28,976 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:28" (1/1) ... [2024-12-02 13:14:28,979 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:14:28,980 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:14:28,980 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:14:28,980 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:14:28,981 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:28" (1/1) ... [2024-12-02 13:14:28,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 13:14:28,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aaa69ee-f24e-4389-b381-e54492078e39/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:14:29,010 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aaa69ee-f24e-4389-b381-e54492078e39/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 13:14:29,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aaa69ee-f24e-4389-b381-e54492078e39/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 13:14:29,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:14:29,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 13:14:29,037 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 13:14:29,037 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 13:14:29,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:14:29,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:14:29,116 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:14:29,118 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:14:29,527 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-12-02 13:14:29,528 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:14:29,538 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:14:29,538 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 13:14:29,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:14:29 BoogieIcfgContainer [2024-12-02 13:14:29,538 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:14:29,540 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 13:14:29,540 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 13:14:29,545 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 13:14:29,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:14:28" (1/3) ... [2024-12-02 13:14:29,545 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ecc2f78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:14:29, skipping insertion in model container [2024-12-02 13:14:29,546 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:14:28" (2/3) ... [2024-12-02 13:14:29,546 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ecc2f78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:14:29, skipping insertion in model container [2024-12-02 13:14:29,546 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:14:29" (3/3) ... [2024-12-02 13:14:29,547 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-39.i [2024-12-02 13:14:29,560 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 13:14:29,562 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_50-while_file-39.i that has 2 procedures, 57 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 13:14:29,609 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 13:14:29,620 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;@2cc0aa0a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 13:14:29,621 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 13:14:29,624 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 38 states have (on average 1.368421052631579) internal successors, (52), 39 states have internal predecessors, (52), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 13:14:29,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-02 13:14:29,633 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:14:29,634 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:29,635 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:14:29,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:14:29,638 INFO L85 PathProgramCache]: Analyzing trace with hash 32853081, now seen corresponding path program 1 times [2024-12-02 13:14:29,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:14:29,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [932817559] [2024-12-02 13:14:29,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:14:29,648 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 13:14:29,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aaa69ee-f24e-4389-b381-e54492078e39/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:14:29,650 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aaa69ee-f24e-4389-b381-e54492078e39/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 13:14:29,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aaa69ee-f24e-4389-b381-e54492078e39/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 13:14:29,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:14:29,850 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 13:14:29,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:14:29,887 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2024-12-02 13:14:29,888 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:14:29,888 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:14:29,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [932817559] [2024-12-02 13:14:29,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [932817559] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:14:29,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:14:29,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 13:14:29,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735017482] [2024-12-02 13:14:29,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:14:29,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 13:14:29,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:14:29,908 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 13:14:29,908 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 13:14:29,910 INFO L87 Difference]: Start difference. First operand has 57 states, 38 states have (on average 1.368421052631579) internal successors, (52), 39 states have internal predecessors, (52), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 13:14:29,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:14:29,931 INFO L93 Difference]: Finished difference Result 107 states and 178 transitions. [2024-12-02 13:14:29,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 13:14:29,932 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 107 [2024-12-02 13:14:29,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:14:29,937 INFO L225 Difference]: With dead ends: 107 [2024-12-02 13:14:29,937 INFO L226 Difference]: Without dead ends: 53 [2024-12-02 13:14:29,940 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 106 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 13:14:29,942 INFO L435 NwaCegarLoop]: 77 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, 77 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 13:14:29,943 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 13:14:29,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-12-02 13:14:29,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-12-02 13:14:29,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 35 states have (on average 1.2857142857142858) internal successors, (45), 35 states have internal predecessors, (45), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-12-02 13:14:29,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 77 transitions. [2024-12-02 13:14:29,974 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 77 transitions. Word has length 107 [2024-12-02 13:14:29,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:14:29,974 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 77 transitions. [2024-12-02 13:14:29,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 13:14:29,974 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 77 transitions. [2024-12-02 13:14:29,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-12-02 13:14:29,977 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:14:29,977 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:29,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aaa69ee-f24e-4389-b381-e54492078e39/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 13:14:30,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aaa69ee-f24e-4389-b381-e54492078e39/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 13:14:30,178 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:14:30,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:14:30,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1630630241, now seen corresponding path program 1 times [2024-12-02 13:14:30,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:14:30,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [926514700] [2024-12-02 13:14:30,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:14:30,179 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 13:14:30,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aaa69ee-f24e-4389-b381-e54492078e39/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:14:30,181 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aaa69ee-f24e-4389-b381-e54492078e39/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 13:14:30,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2aaa69ee-f24e-4389-b381-e54492078e39/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 13:14:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:14:30,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-02 13:14:30,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:15:01,148 WARN L286 SmtUtils]: Spent 8.03s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:15:27,447 WARN L286 SmtUtils]: Spent 22.43s on a formula simplification that was a NOOP. DAG size: 89 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 13:15:49,229 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:16:20,978 WARN L286 SmtUtils]: Spent 21.46s on a formula simplification that was a NOOP. DAG size: 91 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 13:16:42,719 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:17:14,919 WARN L286 SmtUtils]: Spent 22.49s on a formula simplification that was a NOOP. DAG size: 94 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 13:17:37,445 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-02 13:18:12,075 WARN L286 SmtUtils]: Spent 23.62s on a formula simplification that was a NOOP. DAG size: 98 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)