./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-24.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ --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 1c6c11b57806b00201b98326e672a3344df9212139d60f788fa43f0ecfa41035 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 22:26:49,108 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 22:26:49,193 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-23 22:26:49,200 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 22:26:49,201 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 22:26:49,230 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 22:26:49,231 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 22:26:49,232 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 22:26:49,233 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 22:26:49,234 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 22:26:49,235 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 22:26:49,235 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 22:26:49,236 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 22:26:49,237 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 22:26:49,238 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 22:26:49,239 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 22:26:49,239 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 22:26:49,240 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 22:26:49,240 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 22:26:49,241 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 22:26:49,242 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 22:26:49,242 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 22:26:49,243 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 22:26:49,244 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 22:26:49,244 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 22:26:49,245 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 22:26:49,245 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 22:26:49,246 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 22:26:49,246 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 22:26:49,247 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 22:26:49,247 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 22:26:49,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:26:49,248 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 22:26:49,248 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 22:26:49,257 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 22:26:49,257 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 22:26:49,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 22:26:49,258 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 22:26:49,258 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 22:26:49,258 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 22:26:49,258 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 22:26:49,259 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 22:26:49,259 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c6c11b57806b00201b98326e672a3344df9212139d60f788fa43f0ecfa41035 [2023-11-23 22:26:49,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 22:26:49,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 22:26:49,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 22:26:49,567 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 22:26:49,567 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 22:26:49,569 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-24.i [2023-11-23 22:26:52,938 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 22:26:53,251 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 22:26:53,255 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-24.i [2023-11-23 22:26:53,268 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ/data/bec42c1e8/34910bfc91f746c989baa20705d96aac/FLAG82430b6c9 [2023-11-23 22:26:53,285 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ/data/bec42c1e8/34910bfc91f746c989baa20705d96aac [2023-11-23 22:26:53,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 22:26:53,295 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 22:26:53,298 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 22:26:53,299 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 22:26:53,305 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 22:26:53,308 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:26:53" (1/1) ... [2023-11-23 22:26:53,309 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cdab5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:26:53, skipping insertion in model container [2023-11-23 22:26:53,310 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:26:53" (1/1) ... [2023-11-23 22:26:53,354 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 22:26:53,573 WARN L240 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_ad0d7583-5614-477b-a882-60cf58f02cc6/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-24.i[915,928] [2023-11-23 22:26:53,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:26:53,644 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 22:26:53,663 WARN L240 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_ad0d7583-5614-477b-a882-60cf58f02cc6/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-24.i[915,928] [2023-11-23 22:26:53,687 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:26:53,704 INFO L206 MainTranslator]: Completed translation [2023-11-23 22:26:53,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:26:53 WrapperNode [2023-11-23 22:26:53,705 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 22:26:53,706 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 22:26:53,707 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 22:26:53,707 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 22:26:53,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:26:53" (1/1) ... [2023-11-23 22:26:53,725 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:26:53" (1/1) ... [2023-11-23 22:26:53,771 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 107 [2023-11-23 22:26:53,773 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 22:26:53,774 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 22:26:53,774 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 22:26:53,776 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 22:26:53,794 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:26:53" (1/1) ... [2023-11-23 22:26:53,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:26:53" (1/1) ... [2023-11-23 22:26:53,797 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:26:53" (1/1) ... [2023-11-23 22:26:53,810 INFO L189 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-23 22:26:53,810 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:26:53" (1/1) ... [2023-11-23 22:26:53,811 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:26:53" (1/1) ... [2023-11-23 22:26:53,819 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:26:53" (1/1) ... [2023-11-23 22:26:53,823 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:26:53" (1/1) ... [2023-11-23 22:26:53,825 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:26:53" (1/1) ... [2023-11-23 22:26:53,827 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:26:53" (1/1) ... [2023-11-23 22:26:53,831 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 22:26:53,832 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 22:26:53,832 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 22:26:53,832 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 22:26:53,833 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:26:53" (1/1) ... [2023-11-23 22:26:53,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:26:53,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:26:53,871 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 22:26:53,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 22:26:53,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 22:26:53,923 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 22:26:53,925 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 22:26:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 22:26:53,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 22:26:53,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 22:26:54,031 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 22:26:54,034 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 22:26:54,483 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 22:26:54,558 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 22:26:54,559 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 22:26:54,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:26:54 BoogieIcfgContainer [2023-11-23 22:26:54,560 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 22:26:54,578 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 22:26:54,578 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 22:26:54,584 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 22:26:54,584 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:26:53" (1/3) ... [2023-11-23 22:26:54,585 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bb7e158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:26:54, skipping insertion in model container [2023-11-23 22:26:54,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:26:53" (2/3) ... [2023-11-23 22:26:54,586 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bb7e158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:26:54, skipping insertion in model container [2023-11-23 22:26:54,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:26:54" (3/3) ... [2023-11-23 22:26:54,588 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-24.i [2023-11-23 22:26:54,618 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 22:26:54,618 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 22:26:54,688 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 22:26:54,700 INFO L357 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, mHoare=true, 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;@36ecdc94, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 22:26:54,700 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 22:26:54,706 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 25 states have internal predecessors, (34), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-23 22:26:54,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-23 22:26:54,724 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:26:54,725 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:26:54,726 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:26:54,734 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:26:54,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1158333792, now seen corresponding path program 1 times [2023-11-23 22:26:54,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:26:54,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287274801] [2023-11-23 22:26:54,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:26:54,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:26:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:26:55,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-23 22:26:55,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:26:55,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-23 22:26:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:26:55,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-23 22:26:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:26:55,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-23 22:26:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:26:55,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-23 22:26:55,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:26:55,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-23 22:26:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:26:55,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-23 22:26:55,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:26:55,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-11-23 22:26:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:26:55,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-23 22:26:55,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:26:55,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-23 22:26:55,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:26:55,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-23 22:26:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:26:55,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-23 22:26:55,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:26:55,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-23 22:26:55,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:26:55,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-23 22:26:55,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:26:55,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-23 22:26:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:26:55,357 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-23 22:26:55,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:26:55,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287274801] [2023-11-23 22:26:55,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287274801] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:26:55,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:26:55,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:26:55,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86563108] [2023-11-23 22:26:55,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:26:55,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 22:26:55,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:26:55,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 22:26:55,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 22:26:55,442 INFO L87 Difference]: Start difference. First operand has 42 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 25 states have internal predecessors, (34), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-23 22:26:55,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:26:55,538 INFO L93 Difference]: Finished difference Result 83 states and 142 transitions. [2023-11-23 22:26:55,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 22:26:55,542 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 92 [2023-11-23 22:26:55,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:26:55,552 INFO L225 Difference]: With dead ends: 83 [2023-11-23 22:26:55,553 INFO L226 Difference]: Without dead ends: 40 [2023-11-23 22:26:55,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 22:26:55,562 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 22:26:55,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 22:26:55,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-11-23 22:26:55,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2023-11-23 22:26:55,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 23 states have internal predecessors, (29), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-23 22:26:55,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 59 transitions. [2023-11-23 22:26:55,628 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 59 transitions. Word has length 92 [2023-11-23 22:26:55,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:26:55,629 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 59 transitions. [2023-11-23 22:26:55,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-23 22:26:55,629 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 59 transitions. [2023-11-23 22:26:55,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-23 22:26:55,636 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:26:55,636 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:26:55,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 22:26:55,637 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:26:55,638 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:26:55,638 INFO L85 PathProgramCache]: Analyzing trace with hash 669175970, now seen corresponding path program 1 times [2023-11-23 22:26:55,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:26:55,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669172041] [2023-11-23 22:26:55,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:26:55,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:26:55,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:26:55,988 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:26:56,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:26:56,175 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 22:26:56,177 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 22:26:56,180 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 22:26:56,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 22:26:56,187 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-23 22:26:56,193 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 22:26:56,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 10:26:56 BoogieIcfgContainer [2023-11-23 22:26:56,310 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 22:26:56,311 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 22:26:56,311 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 22:26:56,311 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 22:26:56,312 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:26:54" (3/4) ... [2023-11-23 22:26:56,315 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 22:26:56,316 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 22:26:56,317 INFO L158 Benchmark]: Toolchain (without parser) took 3021.91ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 101.8MB in the beginning and 115.2MB in the end (delta: -13.4MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2023-11-23 22:26:56,318 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 140.5MB. Free memory is still 107.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:26:56,319 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.31ms. Allocated memory is still 140.5MB. Free memory was 101.5MB in the beginning and 89.1MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 22:26:56,320 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.74ms. Allocated memory is still 140.5MB. Free memory was 89.1MB in the beginning and 86.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 22:26:56,320 INFO L158 Benchmark]: Boogie Preprocessor took 57.46ms. Allocated memory is still 140.5MB. Free memory was 86.4MB in the beginning and 82.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 22:26:56,321 INFO L158 Benchmark]: RCFGBuilder took 727.73ms. Allocated memory is still 140.5MB. Free memory was 82.2MB in the beginning and 64.1MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 22:26:56,324 INFO L158 Benchmark]: TraceAbstraction took 1732.26ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 63.3MB in the beginning and 115.2MB in the end (delta: -51.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:26:56,326 INFO L158 Benchmark]: Witness Printer took 5.66ms. Allocated memory is still 182.5MB. Free memory is still 115.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:26:56,340 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 140.5MB. Free memory is still 107.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.31ms. Allocated memory is still 140.5MB. Free memory was 101.5MB in the beginning and 89.1MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.74ms. Allocated memory is still 140.5MB. Free memory was 89.1MB in the beginning and 86.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.46ms. Allocated memory is still 140.5MB. Free memory was 86.4MB in the beginning and 82.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 727.73ms. Allocated memory is still 140.5MB. Free memory was 82.2MB in the beginning and 64.1MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1732.26ms. Allocated memory was 140.5MB in the beginning and 182.5MB in the end (delta: 41.9MB). Free memory was 63.3MB in the beginning and 115.2MB in the end (delta: -51.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.66ms. Allocated memory is still 182.5MB. Free memory is still 115.2MB. 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 88. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 32; [L23] unsigned char var_1_2 = 0; [L24] float var_1_3 = 127.1; [L25] signed char var_1_4 = 16; [L26] signed char var_1_5 = 4; [L27] unsigned char var_1_6 = 8; [L28] float var_1_7 = 1000000.6; [L29] unsigned char var_1_8 = 64; [L30] unsigned char var_1_9 = 64; [L31] unsigned char var_1_10 = 128; [L32] unsigned char var_1_11 = 32; [L33] float var_1_12 = 16.8; [L92] isInitial = 1 [L93] FCALL initially() [L94] int k_loop; [L95] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1271/10, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L95] COND TRUE k_loop < 1 [L96] FCALL updateLastVariables() [L97] CALL updateVariables() [L60] var_1_2 = __VERIFIER_nondet_uchar() [L61] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_3=1271/10, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_3=1271/10, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L61] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_3=1271/10, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L62] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1271/10, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1271/10, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L62] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_3=1271/10, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L63] var_1_3 = __VERIFIER_nondet_float() [L64] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L64] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=16, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L65] var_1_4 = __VERIFIER_nondet_char() [L66] CALL assume_abort_if_not(var_1_4 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=73, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=73, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L66] RET assume_abort_if_not(var_1_4 >= -1) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=73, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L67] CALL assume_abort_if_not(var_1_4 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=73, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=73, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L67] RET assume_abort_if_not(var_1_4 <= 126) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=73, var_1_5=4, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L68] var_1_5 = __VERIFIER_nondet_char() [L69] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=73, var_1_5=72, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=73, var_1_5=72, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L69] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=73, var_1_5=72, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L70] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=73, var_1_5=72, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=73, var_1_5=72, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L70] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=73, var_1_5=72, var_1_6=8, var_1_7=5000003/5, var_1_8=64, var_1_9=64] [L71] var_1_7 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=73, var_1_5=72, var_1_6=8, var_1_8=64, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=73, var_1_5=72, var_1_6=8, var_1_8=64, var_1_9=64] [L72] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=73, var_1_5=72, var_1_6=8, var_1_8=64, var_1_9=64] [L73] var_1_8 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_8 >= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=73, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=73, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=64] [L74] RET assume_abort_if_not(var_1_8 >= 63) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=73, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=64] [L75] CALL assume_abort_if_not(var_1_8 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=73, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=73, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=64] [L75] RET assume_abort_if_not(var_1_8 <= 127) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=73, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=64] [L76] var_1_9 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_9 >= 64) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=73, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=74] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=73, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=74] [L77] RET assume_abort_if_not(var_1_9 >= 64) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=73, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=74] [L78] CALL assume_abort_if_not(var_1_9 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=73, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=74] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=73, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=74] [L78] RET assume_abort_if_not(var_1_9 <= 127) VAL [isInitial=1, var_1_10=128, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=73, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=74] [L79] var_1_10 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_10 >= 127) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=73, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=74] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=127, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=73, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=74] [L80] RET assume_abort_if_not(var_1_10 >= 127) VAL [isInitial=1, var_1_10=127, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=73, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=74] [L81] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=73, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=74] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=127, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=73, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=74] [L81] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, var_1_10=127, var_1_11=32, var_1_12=84/5, var_1_1=32, var_1_2=0, var_1_4=73, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=74] [L82] var_1_12 = __VERIFIER_nondet_float() [L83] CALL assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=127, var_1_11=32, var_1_1=32, var_1_2=0, var_1_4=73, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=74] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=127, var_1_11=32, var_1_1=32, var_1_2=0, var_1_4=73, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=74] [L83] RET assume_abort_if_not((var_1_12 >= -922337.2036854776000e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854776000e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=127, var_1_11=32, var_1_1=32, var_1_2=0, var_1_4=73, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=74] [L97] RET updateVariables() [L98] CALL step() [L37] COND FALSE !(var_1_2 || (64.75f < var_1_3)) [L44] var_1_1 = var_1_5 VAL [isInitial=1, var_1_10=127, var_1_11=32, var_1_1=72, var_1_2=0, var_1_4=73, var_1_5=72, var_1_6=8, var_1_8=127, var_1_9=74] [L46] COND TRUE var_1_3 <= var_1_7 [L47] var_1_6 = ((((((var_1_8 + var_1_9)) > (((((var_1_10) > (200)) ? (var_1_10) : (200))))) ? ((var_1_8 + var_1_9)) : (((((var_1_10) > (200)) ? (var_1_10) : (200)))))) - var_1_5) VAL [isInitial=1, var_1_10=127, var_1_11=32, var_1_1=72, var_1_2=0, var_1_4=73, var_1_5=72, var_1_6=129, var_1_8=127, var_1_9=74] [L51] COND FALSE !(((((var_1_6) > (var_1_8)) ? (var_1_6) : (var_1_8))) <= var_1_10) VAL [isInitial=1, var_1_10=127, var_1_11=32, var_1_1=72, var_1_2=0, var_1_4=73, var_1_5=72, var_1_6=129, var_1_8=127, var_1_9=74] [L98] RET step() [L99] CALL, EXPR property() [L88-L89] return (((var_1_2 || (64.75f < var_1_3)) ? (var_1_2 ? (var_1_1 == ((signed char) (var_1_4 - var_1_5))) : (var_1_1 == ((signed char) var_1_4))) : (var_1_1 == ((signed char) var_1_5))) && ((var_1_3 <= var_1_7) ? (var_1_6 == ((unsigned char) ((((((var_1_8 + var_1_9)) > (((((var_1_10) > (200)) ? (var_1_10) : (200))))) ? ((var_1_8 + var_1_9)) : (((((var_1_10) > (200)) ? (var_1_10) : (200)))))) - var_1_5))) : (var_1_6 == ((unsigned char) var_1_10)))) && ((((((var_1_6) > (var_1_8)) ? (var_1_6) : (var_1_8))) <= var_1_10) ? ((var_1_3 == (var_1_7 + var_1_12)) ? (var_1_11 == ((unsigned char) (var_1_9 + var_1_5))) : (var_1_11 == ((unsigned char) var_1_9))) : 1) ; [L99] RET, EXPR property() [L99] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=127, var_1_11=32, var_1_1=72, var_1_2=0, var_1_4=73, var_1_5=72, var_1_6=129, var_1_8=127, var_1_9=74] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=127, var_1_11=32, var_1_1=72, var_1_2=0, var_1_4=73, var_1_5=72, var_1_6=129, var_1_8=127, var_1_9=74] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 56 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 56 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 91 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 420/420 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 22:26:56,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, 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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-24.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ --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 1c6c11b57806b00201b98326e672a3344df9212139d60f788fa43f0ecfa41035 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 22:26:59,194 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 22:26:59,328 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-23 22:26:59,343 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 22:26:59,343 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 22:26:59,392 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 22:26:59,393 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 22:26:59,394 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 22:26:59,395 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 22:26:59,401 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 22:26:59,402 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 22:26:59,402 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 22:26:59,403 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 22:26:59,405 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 22:26:59,406 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 22:26:59,407 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 22:26:59,407 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 22:26:59,408 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 22:26:59,408 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 22:26:59,409 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 22:26:59,409 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 22:26:59,410 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 22:26:59,410 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 22:26:59,411 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 22:26:59,411 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 22:26:59,411 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 22:26:59,412 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 22:26:59,412 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 22:26:59,413 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 22:26:59,413 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 22:26:59,415 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 22:26:59,415 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 22:26:59,416 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 22:26:59,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:26:59,416 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 22:26:59,417 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 22:26:59,418 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 22:26:59,418 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-23 22:26:59,418 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 22:26:59,419 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 22:26:59,419 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 22:26:59,419 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 22:26:59,420 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 22:26:59,420 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 22:26:59,420 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-23 22:26:59,421 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c6c11b57806b00201b98326e672a3344df9212139d60f788fa43f0ecfa41035 [2023-11-23 22:26:59,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 22:26:59,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 22:26:59,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 22:26:59,904 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 22:26:59,906 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 22:26:59,908 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-24.i [2023-11-23 22:27:03,223 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 22:27:03,581 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 22:27:03,582 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-24.i [2023-11-23 22:27:03,594 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ/data/eee4096fe/34baf951065e499d9d01355ddb27c4c4/FLAGf13ef14d1 [2023-11-23 22:27:03,616 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ/data/eee4096fe/34baf951065e499d9d01355ddb27c4c4 [2023-11-23 22:27:03,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 22:27:03,627 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 22:27:03,632 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 22:27:03,633 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 22:27:03,638 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 22:27:03,639 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:27:03" (1/1) ... [2023-11-23 22:27:03,640 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39667ecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:27:03, skipping insertion in model container [2023-11-23 22:27:03,640 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:27:03" (1/1) ... [2023-11-23 22:27:03,681 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 22:27:03,903 WARN L240 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_ad0d7583-5614-477b-a882-60cf58f02cc6/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-24.i[915,928] [2023-11-23 22:27:03,983 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:27:04,015 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 22:27:04,039 WARN L240 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_ad0d7583-5614-477b-a882-60cf58f02cc6/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-24.i[915,928] [2023-11-23 22:27:04,073 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:27:04,101 INFO L206 MainTranslator]: Completed translation [2023-11-23 22:27:04,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:27:04 WrapperNode [2023-11-23 22:27:04,102 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 22:27:04,103 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 22:27:04,103 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 22:27:04,103 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 22:27:04,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:27:04" (1/1) ... [2023-11-23 22:27:04,123 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:27:04" (1/1) ... [2023-11-23 22:27:04,158 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 105 [2023-11-23 22:27:04,162 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 22:27:04,164 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 22:27:04,164 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 22:27:04,164 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 22:27:04,177 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:27:04" (1/1) ... [2023-11-23 22:27:04,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:27:04" (1/1) ... [2023-11-23 22:27:04,191 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:27:04" (1/1) ... [2023-11-23 22:27:04,209 INFO L189 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-23 22:27:04,210 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:27:04" (1/1) ... [2023-11-23 22:27:04,210 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:27:04" (1/1) ... [2023-11-23 22:27:04,219 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:27:04" (1/1) ... [2023-11-23 22:27:04,233 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:27:04" (1/1) ... [2023-11-23 22:27:04,243 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:27:04" (1/1) ... [2023-11-23 22:27:04,246 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:27:04" (1/1) ... [2023-11-23 22:27:04,251 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 22:27:04,258 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 22:27:04,258 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 22:27:04,259 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 22:27:04,260 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:27:04" (1/1) ... [2023-11-23 22:27:04,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 22:27:04,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:27:04,299 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 22:27:04,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 22:27:04,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 22:27:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-23 22:27:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 22:27:04,403 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 22:27:04,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 22:27:04,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 22:27:04,533 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 22:27:04,538 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 22:27:05,203 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 22:27:05,293 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 22:27:05,298 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 22:27:05,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:27:05 BoogieIcfgContainer [2023-11-23 22:27:05,300 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 22:27:05,303 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 22:27:05,303 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 22:27:05,308 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 22:27:05,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 10:27:03" (1/3) ... [2023-11-23 22:27:05,310 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@423c46aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:27:05, skipping insertion in model container [2023-11-23 22:27:05,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:27:04" (2/3) ... [2023-11-23 22:27:05,312 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@423c46aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 10:27:05, skipping insertion in model container [2023-11-23 22:27:05,312 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:27:05" (3/3) ... [2023-11-23 22:27:05,315 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-24.i [2023-11-23 22:27:05,342 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 22:27:05,343 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 22:27:05,426 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 22:27:05,434 INFO L357 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, mHoare=true, 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;@4b98f87b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 22:27:05,436 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 22:27:05,442 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 25 states have internal predecessors, (34), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-23 22:27:05,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-23 22:27:05,463 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:27:05,464 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:27:05,465 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:27:05,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:27:05,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1158333792, now seen corresponding path program 1 times [2023-11-23 22:27:05,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:27:05,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [363626594] [2023-11-23 22:27:05,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:27:05,501 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 [2023-11-23 22:27:05,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:27:05,505 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ/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) [2023-11-23 22:27:05,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 22:27:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:27:05,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 22:27:05,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:27:06,030 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2023-11-23 22:27:06,030 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 22:27:06,031 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 22:27:06,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [363626594] [2023-11-23 22:27:06,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [363626594] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:27:06,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:27:06,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 22:27:06,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743880950] [2023-11-23 22:27:06,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:27:06,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 22:27:06,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 22:27:06,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 22:27:06,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 22:27:06,088 INFO L87 Difference]: Start difference. First operand has 42 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 25 states have internal predecessors, (34), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-23 22:27:06,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:27:06,301 INFO L93 Difference]: Finished difference Result 83 states and 142 transitions. [2023-11-23 22:27:06,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 22:27:06,306 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 92 [2023-11-23 22:27:06,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 22:27:06,314 INFO L225 Difference]: With dead ends: 83 [2023-11-23 22:27:06,315 INFO L226 Difference]: Without dead ends: 40 [2023-11-23 22:27:06,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 22:27:06,324 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-23 22:27:06,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-23 22:27:06,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-11-23 22:27:06,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2023-11-23 22:27:06,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 23 states have internal predecessors, (29), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-23 22:27:06,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 59 transitions. [2023-11-23 22:27:06,387 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 59 transitions. Word has length 92 [2023-11-23 22:27:06,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 22:27:06,388 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 59 transitions. [2023-11-23 22:27:06,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2023-11-23 22:27:06,389 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 59 transitions. [2023-11-23 22:27:06,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-23 22:27:06,401 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 22:27:06,401 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:27:06,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ/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)] Forceful destruction successful, exit code 0 [2023-11-23 22:27:06,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 22:27:06,603 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 22:27:06,603 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:27:06,604 INFO L85 PathProgramCache]: Analyzing trace with hash 669175970, now seen corresponding path program 1 times [2023-11-23 22:27:06,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 22:27:06,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [600354559] [2023-11-23 22:27:06,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:27:06,605 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 [2023-11-23 22:27:06,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 22:27:06,607 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ/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) [2023-11-23 22:27:06,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ad0d7583-5614-477b-a882-60cf58f02cc6/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 22:27:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:27:06,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 22:27:06,910 INFO L285 TraceCheckSpWp]: Computing forward predicates...