./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-30.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC --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 3aeb3660abc12681d399409beb822860523a2c51916acdd5ef18cacbb868dcc3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:34:13,982 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:34:14,085 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-23 18:34:14,092 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:34:14,092 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:34:14,119 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:34:14,120 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:34:14,120 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:34:14,120 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:34:14,120 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:34:14,120 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:34:14,121 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:34:14,121 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:34:14,121 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:34:14,121 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:34:14,121 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:34:14,121 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:34:14,122 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 18:34:14,122 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 18:34:14,122 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 18:34:14,122 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:34:14,122 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:34:14,122 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:34:14,122 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:34:14,122 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 18:34:14,122 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:34:14,123 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:34:14,123 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:34:14,123 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:34:14,124 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:34:14,124 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:34:14,124 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:34:14,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:34:14,124 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:34:14,124 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:34:14,125 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:34:14,125 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:34:14,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:34:14,125 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:34:14,125 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:34:14,125 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:34:14,126 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:34:14,126 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 18:34:14,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 18:34:14,126 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:34:14,126 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:34:14,126 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:34:14,127 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:34:14,127 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_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC 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 -> 3aeb3660abc12681d399409beb822860523a2c51916acdd5ef18cacbb868dcc3 [2024-11-23 18:34:14,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:34:14,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:34:14,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:34:14,471 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:34:14,471 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:34:14,473 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-30.i [2024-11-23 18:34:17,445 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/data/6ca801917/16a1ac4f0b594ee481dd078911234f63/FLAG744f8162b [2024-11-23 18:34:17,764 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:34:17,764 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-30.i [2024-11-23 18:34:17,789 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/data/6ca801917/16a1ac4f0b594ee481dd078911234f63/FLAG744f8162b [2024-11-23 18:34:17,833 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/data/6ca801917/16a1ac4f0b594ee481dd078911234f63 [2024-11-23 18:34:17,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:34:17,838 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:34:17,840 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:34:17,840 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:34:17,846 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:34:17,849 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:34:17" (1/1) ... [2024-11-23 18:34:17,850 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ea1cb6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:17, skipping insertion in model container [2024-11-23 18:34:17,850 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:34:17" (1/1) ... [2024-11-23 18:34:17,874 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:34:18,062 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_d4f038f1-14d1-4020-b000-31711759202f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-30.i[915,928] [2024-11-23 18:34:18,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:34:18,119 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:34:18,129 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_d4f038f1-14d1-4020-b000-31711759202f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-30.i[915,928] [2024-11-23 18:34:18,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:34:18,157 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:34:18,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:18 WrapperNode [2024-11-23 18:34:18,157 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:34:18,158 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:34:18,159 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:34:18,159 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:34:18,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:18" (1/1) ... [2024-11-23 18:34:18,173 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:18" (1/1) ... [2024-11-23 18:34:18,196 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 73 [2024-11-23 18:34:18,196 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:34:18,197 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:34:18,197 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:34:18,197 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:34:18,208 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:18" (1/1) ... [2024-11-23 18:34:18,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:18" (1/1) ... [2024-11-23 18:34:18,210 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:18" (1/1) ... [2024-11-23 18:34:18,231 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-23 18:34:18,235 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:18" (1/1) ... [2024-11-23 18:34:18,235 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:18" (1/1) ... [2024-11-23 18:34:18,243 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:18" (1/1) ... [2024-11-23 18:34:18,244 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:18" (1/1) ... [2024-11-23 18:34:18,251 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:18" (1/1) ... [2024-11-23 18:34:18,256 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:18" (1/1) ... [2024-11-23 18:34:18,257 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:18" (1/1) ... [2024-11-23 18:34:18,259 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:34:18,263 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:34:18,264 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:34:18,264 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:34:18,265 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:18" (1/1) ... [2024-11-23 18:34:18,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:34:18,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:34:18,307 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:34:18,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:34:18,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:34:18,341 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 18:34:18,341 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 18:34:18,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-23 18:34:18,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:34:18,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:34:18,433 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:34:18,435 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:34:18,709 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-23 18:34:18,710 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:34:18,726 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:34:18,727 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 18:34:18,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:34:18 BoogieIcfgContainer [2024-11-23 18:34:18,728 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:34:18,731 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:34:18,731 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:34:18,737 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:34:18,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:34:17" (1/3) ... [2024-11-23 18:34:18,739 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a1bc00b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:34:18, skipping insertion in model container [2024-11-23 18:34:18,740 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:18" (2/3) ... [2024-11-23 18:34:18,740 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a1bc00b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:34:18, skipping insertion in model container [2024-11-23 18:34:18,741 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:34:18" (3/3) ... [2024-11-23 18:34:18,744 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-30.i [2024-11-23 18:34:18,764 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:34:18,765 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-30.i that has 2 procedures, 35 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 18:34:18,856 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:34:18,878 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;@57e0d546, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:34:18,878 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 18:34:18,885 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-23 18:34:18,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-23 18:34:18,895 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:34:18,896 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:34:18,896 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:34:18,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:34:18,902 INFO L85 PathProgramCache]: Analyzing trace with hash 667699742, now seen corresponding path program 1 times [2024-11-23 18:34:18,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 18:34:18,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23314902] [2024-11-23 18:34:18,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:34:18,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 18:34:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-23 18:34:19,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1758517548] [2024-11-23 18:34:19,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:34:19,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-23 18:34:19,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:34:19,167 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-23 18:34:19,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-23 18:34:19,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:34:19,337 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 18:34:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 18:34:19,468 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 18:34:19,471 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-23 18:34:19,472 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 18:34:19,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-23 18:34:19,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-23 18:34:19,678 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-23 18:34:19,728 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 18:34:19,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:34:19 BoogieIcfgContainer [2024-11-23 18:34:19,735 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 18:34:19,736 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 18:34:19,736 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 18:34:19,736 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 18:34:19,738 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:34:18" (3/4) ... [2024-11-23 18:34:19,740 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 18:34:19,741 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 18:34:19,742 INFO L158 Benchmark]: Toolchain (without parser) took 1904.78ms. Allocated memory is still 117.4MB. Free memory was 94.6MB in the beginning and 39.8MB in the end (delta: 54.8MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-23 18:34:19,743 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 167.8MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:34:19,743 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.99ms. Allocated memory is still 117.4MB. Free memory was 94.6MB in the beginning and 82.7MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:34:19,744 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.89ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 81.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:34:19,744 INFO L158 Benchmark]: Boogie Preprocessor took 65.84ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 79.3MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:34:19,744 INFO L158 Benchmark]: RCFGBuilder took 464.34ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 66.9MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:34:19,748 INFO L158 Benchmark]: TraceAbstraction took 1003.98ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 39.8MB in the end (delta: 26.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-23 18:34:19,748 INFO L158 Benchmark]: Witness Printer took 5.36ms. Allocated memory is still 117.4MB. Free memory is still 39.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:34:19,753 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 167.8MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.99ms. Allocated memory is still 117.4MB. Free memory was 94.6MB in the beginning and 82.7MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.89ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 81.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 65.84ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 79.3MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 464.34ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 66.9MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1003.98ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 39.8MB in the end (delta: 26.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 5.36ms. Allocated memory is still 117.4MB. Free memory is still 39.8MB. 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 62, overapproximation of someBinaryDOUBLEComparisonOperation at line 44, overapproximation of someBinaryDOUBLEComparisonOperation at line 37, overapproximation of someBinaryDOUBLEComparisonOperation at line 62. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 0.375; [L23] double var_1_2 = 16.5; [L24] unsigned short int var_1_3 = 64; [L25] unsigned long int var_1_4 = 128; [L26] unsigned long int var_1_5 = 256; [L27] unsigned short int var_1_6 = 32; [L28] unsigned short int var_1_7 = 16; [L29] double var_1_8 = 1.5; [L30] float var_1_9 = 2.25; VAL [isInitial=0, var_1_1=3/8, var_1_2=33/2, var_1_3=64, var_1_4=128, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L66] isInitial = 1 [L67] FCALL initially() [L69] FCALL updateLastVariables() [L70] CALL updateVariables() [L43] var_1_2 = __VERIFIER_nondet_double() [L44] CALL assume_abort_if_not((var_1_2 >= -922337.2036854765600e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854765600e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=128, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=128, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L44] RET assume_abort_if_not((var_1_2 >= -922337.2036854765600e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854765600e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_4=128, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L45] var_1_4 = __VERIFIER_nondet_ulong() [L46] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L46] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L47] CALL assume_abort_if_not(var_1_4 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L47] RET assume_abort_if_not(var_1_4 <= 4294967295) VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=256, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L48] var_1_5 = __VERIFIER_nondet_ulong() [L49] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L49] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L50] CALL assume_abort_if_not(var_1_5 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L50] RET assume_abort_if_not(var_1_5 <= 4294967295) VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L51] CALL assume_abort_if_not(var_1_5 != 0) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=2, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=2, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L51] RET assume_abort_if_not(var_1_5 != 0) VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=2, var_1_6=32, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L52] var_1_6 = __VERIFIER_nondet_ushort() [L53] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=2, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=2, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L53] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=2, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L54] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=2, var_1_6=262144, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=2, var_1_6=262144, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L54] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=2, var_1_6=262144, var_1_7=16, var_1_8=3/2, var_1_9=9/4] [L55] var_1_7 = __VERIFIER_nondet_ushort() [L56] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=2, var_1_6=262144, var_1_8=3/2, var_1_9=9/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=2, var_1_6=262144, var_1_8=3/2, var_1_9=9/4] [L56] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=2, var_1_6=262144, var_1_8=3/2, var_1_9=9/4] [L57] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=2, var_1_6=262144, var_1_7=-196608, var_1_8=3/2, var_1_9=9/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=2, var_1_6=262144, var_1_7=-196608, var_1_8=3/2, var_1_9=9/4] [L57] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, var_1_1=3/8, var_1_3=64, var_1_5=2, var_1_6=262144, var_1_7=-196608, var_1_8=3/2, var_1_9=9/4] [L70] RET updateVariables() [L71] CALL step() [L34] var_1_1 = var_1_2 [L35] var_1_8 = var_1_2 [L36] var_1_9 = var_1_2 [L37] unsigned char stepLocal_0 = var_1_9 < var_1_2; VAL [isInitial=1, stepLocal_0=1, var_1_1=2, var_1_2=2, var_1_3=64, var_1_5=2, var_1_6=262144, var_1_7=-196608, var_1_8=2, var_1_9=2] [L38] COND TRUE (32u < (var_1_4 / var_1_5)) && stepLocal_0 [L39] var_1_3 = (var_1_6 + var_1_7) VAL [isInitial=1, var_1_1=2, var_1_2=2, var_1_3=0, var_1_4=-4294967230, var_1_5=2, var_1_6=262144, var_1_7=-196608, var_1_8=2, var_1_9=2] [L71] RET step() [L72] CALL, EXPR property() [L62-L63] return (((var_1_1 == ((double) var_1_2)) && (((32u < (var_1_4 / var_1_5)) && (var_1_9 < var_1_2)) ? (var_1_3 == ((unsigned short int) (var_1_6 + var_1_7))) : 1)) && (var_1_8 == ((double) var_1_2))) && (var_1_9 == ((float) var_1_2)) ; VAL [\result=0, isInitial=1, var_1_1=2, var_1_2=2, var_1_3=0, var_1_4=-4294967230, var_1_5=2, var_1_6=262144, var_1_7=-196608, var_1_8=2, var_1_9=2] [L72] RET, EXPR property() [L72] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=2, var_1_2=2, var_1_3=0, var_1_4=-4294967230, var_1_5=2, var_1_6=262144, var_1_7=-196608, var_1_8=2, var_1_9=2] [L19] reach_error() VAL [isInitial=1, var_1_1=2, var_1_2=2, var_1_3=0, var_1_4=-4294967230, var_1_5=2, var_1_6=262144, var_1_7=-196608, var_1_8=2, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-23 18:34:19,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/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_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC --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 3aeb3660abc12681d399409beb822860523a2c51916acdd5ef18cacbb868dcc3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 18:34:22,719 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 18:34:22,870 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-23 18:34:22,878 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 18:34:22,878 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 18:34:22,908 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 18:34:22,908 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 18:34:22,909 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 18:34:22,909 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 18:34:22,909 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 18:34:22,909 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 18:34:22,909 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 18:34:22,910 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 18:34:22,910 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 18:34:22,910 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 18:34:22,910 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 18:34:22,910 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 18:34:22,911 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-23 18:34:22,911 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-23 18:34:22,911 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 18:34:22,911 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 18:34:22,911 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 18:34:22,911 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 18:34:22,911 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 18:34:22,911 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 18:34:22,912 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 18:34:22,912 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-23 18:34:22,912 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 18:34:22,912 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 18:34:22,912 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 18:34:22,912 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-23 18:34:22,912 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:34:22,912 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:34:22,913 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:34:22,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:34:22,913 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 18:34:22,913 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 18:34:22,913 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 18:34:22,913 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 18:34:22,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:34:22,914 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 18:34:22,914 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 18:34:22,914 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-23 18:34:22,914 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 18:34:22,914 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-23 18:34:22,914 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 18:34:22,914 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 18:34:22,914 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 18:34:22,914 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 18:34:22,915 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 18:34:22,915 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_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC 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 -> 3aeb3660abc12681d399409beb822860523a2c51916acdd5ef18cacbb868dcc3 [2024-11-23 18:34:23,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 18:34:23,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 18:34:23,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 18:34:23,278 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 18:34:23,278 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 18:34:23,280 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-30.i [2024-11-23 18:34:26,411 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/data/f4aa5b044/a7b2c2f233584799b06cd307dff67c2c/FLAG6585232f4 [2024-11-23 18:34:26,682 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 18:34:26,683 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-30.i [2024-11-23 18:34:26,695 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/data/f4aa5b044/a7b2c2f233584799b06cd307dff67c2c/FLAG6585232f4 [2024-11-23 18:34:26,976 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/data/f4aa5b044/a7b2c2f233584799b06cd307dff67c2c [2024-11-23 18:34:26,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 18:34:26,980 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 18:34:26,982 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 18:34:26,982 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 18:34:26,986 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 18:34:26,986 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:34:26" (1/1) ... [2024-11-23 18:34:26,987 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ece095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:26, skipping insertion in model container [2024-11-23 18:34:26,987 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:34:26" (1/1) ... [2024-11-23 18:34:27,002 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 18:34:27,195 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_d4f038f1-14d1-4020-b000-31711759202f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-30.i[915,928] [2024-11-23 18:34:27,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:34:27,250 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 18:34:27,260 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_d4f038f1-14d1-4020-b000-31711759202f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-30.i[915,928] [2024-11-23 18:34:27,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 18:34:27,294 INFO L204 MainTranslator]: Completed translation [2024-11-23 18:34:27,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:27 WrapperNode [2024-11-23 18:34:27,295 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 18:34:27,296 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 18:34:27,296 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 18:34:27,296 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 18:34:27,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:27" (1/1) ... [2024-11-23 18:34:27,313 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:27" (1/1) ... [2024-11-23 18:34:27,335 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 73 [2024-11-23 18:34:27,335 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 18:34:27,336 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 18:34:27,336 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 18:34:27,336 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 18:34:27,345 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:27" (1/1) ... [2024-11-23 18:34:27,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:27" (1/1) ... [2024-11-23 18:34:27,348 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:27" (1/1) ... [2024-11-23 18:34:27,360 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-23 18:34:27,360 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:27" (1/1) ... [2024-11-23 18:34:27,360 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:27" (1/1) ... [2024-11-23 18:34:27,367 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:27" (1/1) ... [2024-11-23 18:34:27,369 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:27" (1/1) ... [2024-11-23 18:34:27,372 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:27" (1/1) ... [2024-11-23 18:34:27,374 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:27" (1/1) ... [2024-11-23 18:34:27,375 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:27" (1/1) ... [2024-11-23 18:34:27,377 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 18:34:27,378 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 18:34:27,378 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 18:34:27,378 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 18:34:27,379 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:27" (1/1) ... [2024-11-23 18:34:27,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 18:34:27,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 18:34:27,417 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-23 18:34:27,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-23 18:34:27,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 18:34:27,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-23 18:34:27,447 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-23 18:34:27,447 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-23 18:34:27,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 18:34:27,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 18:34:27,511 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 18:34:27,512 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 18:34:28,181 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-23 18:34:28,181 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 18:34:28,192 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 18:34:28,193 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-23 18:34:28,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:34:28 BoogieIcfgContainer [2024-11-23 18:34:28,193 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 18:34:28,196 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 18:34:28,197 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 18:34:28,203 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 18:34:28,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:34:26" (1/3) ... [2024-11-23 18:34:28,204 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@557ea43f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:34:28, skipping insertion in model container [2024-11-23 18:34:28,204 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:34:27" (2/3) ... [2024-11-23 18:34:28,204 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@557ea43f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:34:28, skipping insertion in model container [2024-11-23 18:34:28,204 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:34:28" (3/3) ... [2024-11-23 18:34:28,206 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount10_file-30.i [2024-11-23 18:34:28,225 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 18:34:28,226 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount10_file-30.i that has 2 procedures, 35 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-23 18:34:28,293 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 18:34:28,310 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;@2073da5e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 18:34:28,311 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-23 18:34:28,317 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-23 18:34:28,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-23 18:34:28,329 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:34:28,329 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:34:28,331 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:34:28,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:34:28,341 INFO L85 PathProgramCache]: Analyzing trace with hash 667699742, now seen corresponding path program 1 times [2024-11-23 18:34:28,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:34:28,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2069179019] [2024-11-23 18:34:28,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:34:28,357 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:34:28,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:34:28,360 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:34:28,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-23 18:34:28,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:34:28,608 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-23 18:34:28,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:34:59,668 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 18:34:59,668 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:35:15,096 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-23 18:35:15,097 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:35:15,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2069179019] [2024-11-23 18:35:15,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2069179019] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-23 18:35:15,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-23 18:35:15,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 14 [2024-11-23 18:35:15,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364443171] [2024-11-23 18:35:15,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 18:35:15,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 18:35:15,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:35:15,127 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 18:35:15,128 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-23 18:35:15,130 INFO L87 Difference]: Start difference. First operand has 35 states, 22 states have (on average 1.2727272727272727) internal successors, (28), 23 states have internal predecessors, (28), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-23 18:35:31,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-23 18:35:31,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:35:31,224 INFO L93 Difference]: Finished difference Result 69 states and 109 transitions. [2024-11-23 18:35:31,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 18:35:31,239 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 65 [2024-11-23 18:35:31,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:35:31,245 INFO L225 Difference]: With dead ends: 69 [2024-11-23 18:35:31,246 INFO L226 Difference]: Without dead ends: 37 [2024-11-23 18:35:31,249 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 36.2s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2024-11-23 18:35:31,253 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 10 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-11-23 18:35:31,254 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 146 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2024-11-23 18:35:31,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-23 18:35:31,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 34. [2024-11-23 18:35:31,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 22 states have (on average 1.0909090909090908) internal successors, (24), 22 states have internal predecessors, (24), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-23 18:35:31,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 44 transitions. [2024-11-23 18:35:31,295 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 44 transitions. Word has length 65 [2024-11-23 18:35:31,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:35:31,299 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 44 transitions. [2024-11-23 18:35:31,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-23 18:35:31,300 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2024-11-23 18:35:31,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-23 18:35:31,303 INFO L210 NwaCegarLoop]: Found error trace [2024-11-23 18:35:31,303 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 18:35:31,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-23 18:35:31,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:35:31,505 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-23 18:35:31,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 18:35:31,506 INFO L85 PathProgramCache]: Analyzing trace with hash 669546784, now seen corresponding path program 1 times [2024-11-23 18:35:31,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-23 18:35:31,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2073333577] [2024-11-23 18:35:31,509 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 18:35:31,509 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:35:31,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-23 18:35:31,512 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-23 18:35:31,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-23 18:35:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 18:35:31,673 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-23 18:35:31,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 18:36:03,938 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 9 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-23 18:36:03,938 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-23 18:36:30,002 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-23 18:36:30,006 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-23 18:36:30,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2073333577] [2024-11-23 18:36:30,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2073333577] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-23 18:36:30,006 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-23 18:36:30,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2024-11-23 18:36:30,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959365747] [2024-11-23 18:36:30,007 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-23 18:36:30,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-23 18:36:30,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-23 18:36:30,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-23 18:36:30,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2024-11-23 18:36:30,012 INFO L87 Difference]: Start difference. First operand 34 states and 44 transitions. Second operand has 17 states, 17 states have (on average 2.411764705882353) internal successors, (41), 17 states have internal predecessors, (41), 4 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-23 18:37:24,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 18:37:24,217 INFO L93 Difference]: Finished difference Result 43 states and 52 transitions. [2024-11-23 18:37:24,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-23 18:37:24,230 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.411764705882353) internal successors, (41), 17 states have internal predecessors, (41), 4 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) Word has length 65 [2024-11-23 18:37:24,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 18:37:24,230 INFO L225 Difference]: With dead ends: 43 [2024-11-23 18:37:24,230 INFO L226 Difference]: Without dead ends: 0 [2024-11-23 18:37:24,231 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 60.6s TimeCoverageRelationStatistics Valid=112, Invalid=350, Unknown=0, NotChecked=0, Total=462 [2024-11-23 18:37:24,232 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 14 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.1s IncrementalHoareTripleChecker+Time [2024-11-23 18:37:24,232 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 164 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 32.1s Time] [2024-11-23 18:37:24,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-23 18:37:24,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-23 18:37:24,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-23 18:37:24,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-23 18:37:24,236 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2024-11-23 18:37:24,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 18:37:24,237 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 18:37:24,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.411764705882353) internal successors, (41), 17 states have internal predecessors, (41), 4 states have call successors, (20), 3 states have call predecessors, (20), 4 states have return successors, (20), 2 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-23 18:37:24,237 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-23 18:37:24,237 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-23 18:37:24,241 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-23 18:37:24,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/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)] Forceful destruction successful, exit code 0 [2024-11-23 18:37:24,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-23 18:37:24,445 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-23 18:37:24,447 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-23 18:37:29,172 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 18:37:29,186 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-23 18:37:29,187 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-23 18:37:29,188 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-23 18:37:29,188 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-23 18:37:29,189 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-23 18:37:29,189 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-23 18:37:29,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:37:29 BoogieIcfgContainer [2024-11-23 18:37:29,189 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 18:37:29,190 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 18:37:29,191 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 18:37:29,191 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 18:37:29,192 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:34:28" (3/4) ... [2024-11-23 18:37:29,194 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-23 18:37:29,200 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-23 18:37:29,207 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-23 18:37:29,207 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-23 18:37:29,207 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-23 18:37:29,207 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-23 18:37:29,324 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-23 18:37:29,324 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-23 18:37:29,324 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 18:37:29,325 INFO L158 Benchmark]: Toolchain (without parser) took 182345.21ms. Allocated memory is still 109.1MB. Free memory was 84.8MB in the beginning and 80.9MB in the end (delta: 3.9MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. [2024-11-23 18:37:29,327 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 83.9MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:37:29,328 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.38ms. Allocated memory is still 109.1MB. Free memory was 84.8MB in the beginning and 72.5MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:37:29,328 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.53ms. Allocated memory is still 109.1MB. Free memory was 72.5MB in the beginning and 71.1MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:37:29,329 INFO L158 Benchmark]: Boogie Preprocessor took 41.76ms. Allocated memory is still 109.1MB. Free memory was 71.1MB in the beginning and 69.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 18:37:29,330 INFO L158 Benchmark]: RCFGBuilder took 815.42ms. Allocated memory is still 109.1MB. Free memory was 69.1MB in the beginning and 56.8MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 18:37:29,331 INFO L158 Benchmark]: TraceAbstraction took 180993.09ms. Allocated memory is still 109.1MB. Free memory was 56.5MB in the beginning and 35.5MB in the end (delta: 20.9MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2024-11-23 18:37:29,332 INFO L158 Benchmark]: Witness Printer took 134.26ms. Allocated memory is still 109.1MB. Free memory was 35.5MB in the beginning and 80.9MB in the end (delta: -45.3MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2024-11-23 18:37:29,334 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 83.9MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.38ms. Allocated memory is still 109.1MB. Free memory was 84.8MB in the beginning and 72.5MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.53ms. Allocated memory is still 109.1MB. Free memory was 72.5MB in the beginning and 71.1MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.76ms. Allocated memory is still 109.1MB. Free memory was 71.1MB in the beginning and 69.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 815.42ms. Allocated memory is still 109.1MB. Free memory was 69.1MB in the beginning and 56.8MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 180993.09ms. Allocated memory is still 109.1MB. Free memory was 56.5MB in the beginning and 35.5MB in the end (delta: 20.9MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * Witness Printer took 134.26ms. Allocated memory is still 109.1MB. Free memory was 35.5MB in the beginning and 80.9MB in the end (delta: -45.3MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 176.2s, OverallIterations: 2, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 70.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 37.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 24 mSDsluCounter, 310 SdHoareTripleChecker+Invalid, 36.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 244 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 253 IncrementalHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 66 mSDtfsCounter, 253 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 263 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 96.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, InterpolantAutomatonStates: 19, 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 104.8s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 256 ConstructedInterpolants, 0 QuantifiedInterpolants, 4335 SizeOfPredicates, 28 NumberOfNonLiveVariables, 226 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 639/720 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-23 18:37:29,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d4f038f1-14d1-4020-b000-31711759202f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE