./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-18.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_45293468-62ba-45a4-8e49-5c1f3ec4c131/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45293468-62ba-45a4-8e49-5c1f3ec4c131/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45293468-62ba-45a4-8e49-5c1f3ec4c131/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45293468-62ba-45a4-8e49-5c1f3ec4c131/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-18.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45293468-62ba-45a4-8e49-5c1f3ec4c131/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45293468-62ba-45a4-8e49-5c1f3ec4c131/bin/uautomizer-verify-bycVGegfSx --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 03a3293d0395dd319c112da86cc4750b5f2f2545de650ed48e25d08335450b80 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:12:08,138 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:12:08,263 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45293468-62ba-45a4-8e49-5c1f3ec4c131/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:12:08,275 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:12:08,276 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:12:08,317 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:12:08,318 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:12:08,319 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:12:08,320 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:12:08,325 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:12:08,325 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:12:08,326 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:12:08,327 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:12:08,329 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:12:08,330 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:12:08,330 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:12:08,331 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:12:08,331 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:12:08,331 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:12:08,332 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:12:08,334 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:12:08,334 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:12:08,335 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:12:08,335 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:12:08,336 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:12:08,336 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:12:08,337 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:12:08,338 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:12:08,338 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:12:08,339 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:12:08,340 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:12:08,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:12:08,341 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:12:08,341 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:12:08,341 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:12:08,341 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:12:08,342 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:12:08,342 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:12:08,342 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:12:08,343 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:12:08,343 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:12:08,343 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:12:08,344 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_45293468-62ba-45a4-8e49-5c1f3ec4c131/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45293468-62ba-45a4-8e49-5c1f3ec4c131/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03a3293d0395dd319c112da86cc4750b5f2f2545de650ed48e25d08335450b80 [2023-11-21 22:12:08,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:12:08,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:12:08,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:12:08,710 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:12:08,712 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:12:08,714 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45293468-62ba-45a4-8e49-5c1f3ec4c131/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-18.i [2023-11-21 22:12:11,821 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:12:12,058 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:12:12,059 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45293468-62ba-45a4-8e49-5c1f3ec4c131/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-18.i [2023-11-21 22:12:12,069 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45293468-62ba-45a4-8e49-5c1f3ec4c131/bin/uautomizer-verify-bycVGegfSx/data/ad056cdb0/af68b03a640249ceafa4862d944ba1bf/FLAG54b3746ff [2023-11-21 22:12:12,085 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45293468-62ba-45a4-8e49-5c1f3ec4c131/bin/uautomizer-verify-bycVGegfSx/data/ad056cdb0/af68b03a640249ceafa4862d944ba1bf [2023-11-21 22:12:12,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:12:12,089 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:12:12,091 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:12:12,091 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:12:12,097 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:12:12,098 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:12:12" (1/1) ... [2023-11-21 22:12:12,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f99ca3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:12, skipping insertion in model container [2023-11-21 22:12:12,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:12:12" (1/1) ... [2023-11-21 22:12:12,132 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:12:12,318 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_45293468-62ba-45a4-8e49-5c1f3ec4c131/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-18.i[919,932] [2023-11-21 22:12:12,393 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:12:12,405 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:12:12,419 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_45293468-62ba-45a4-8e49-5c1f3ec4c131/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-18.i[919,932] [2023-11-21 22:12:12,446 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:12:12,464 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:12:12,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:12 WrapperNode [2023-11-21 22:12:12,465 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:12:12,466 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:12:12,466 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:12:12,466 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:12:12,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:12" (1/1) ... [2023-11-21 22:12:12,484 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:12" (1/1) ... [2023-11-21 22:12:12,520 INFO L138 Inliner]: procedures = 26, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 129 [2023-11-21 22:12:12,520 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:12:12,521 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:12:12,521 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:12:12,521 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:12:12,533 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:12" (1/1) ... [2023-11-21 22:12:12,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:12" (1/1) ... [2023-11-21 22:12:12,536 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:12" (1/1) ... [2023-11-21 22:12:12,549 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:12:12,549 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:12" (1/1) ... [2023-11-21 22:12:12,550 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:12" (1/1) ... [2023-11-21 22:12:12,558 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:12" (1/1) ... [2023-11-21 22:12:12,569 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:12" (1/1) ... [2023-11-21 22:12:12,574 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:12" (1/1) ... [2023-11-21 22:12:12,576 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:12" (1/1) ... [2023-11-21 22:12:12,591 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:12:12,592 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:12:12,593 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:12:12,593 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:12:12,594 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:12" (1/1) ... [2023-11-21 22:12:12,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:12:12,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45293468-62ba-45a4-8e49-5c1f3ec4c131/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:12:12,624 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45293468-62ba-45a4-8e49-5c1f3ec4c131/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:12:12,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45293468-62ba-45a4-8e49-5c1f3ec4c131/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:12:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:12:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:12:12,676 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:12:12,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:12:12,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:12:12,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:12:12,794 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:12:12,796 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:12:13,207 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:12:13,444 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:12:13,444 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:12:13,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:12:13 BoogieIcfgContainer [2023-11-21 22:12:13,446 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:12:13,450 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:12:13,450 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:12:13,453 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:12:13,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:12:12" (1/3) ... [2023-11-21 22:12:13,455 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d7428a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:12:13, skipping insertion in model container [2023-11-21 22:12:13,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:12" (2/3) ... [2023-11-21 22:12:13,457 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d7428a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:12:13, skipping insertion in model container [2023-11-21 22:12:13,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:12:13" (3/3) ... [2023-11-21 22:12:13,461 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-18.i [2023-11-21 22:12:13,482 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:12:13,483 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:12:13,558 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:12:13,570 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;@472a0c21, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:12:13,570 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:12:13,575 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 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) [2023-11-21 22:12:13,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 22:12:13,587 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:12:13,588 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-21 22:12:13,589 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:12:13,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:12:13,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1332792022, now seen corresponding path program 1 times [2023-11-21 22:12:13,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:12:13,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274858323] [2023-11-21 22:12:13,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:12:13,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:12:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:12:13,953 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:12:14,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:12:14,105 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:12:14,107 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:12:14,108 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:12:14,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:12:14,116 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:12:14,121 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:12:14,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:12:14 BoogieIcfgContainer [2023-11-21 22:12:14,192 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:12:14,193 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:12:14,193 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:12:14,194 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:12:14,194 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:12:13" (3/4) ... [2023-11-21 22:12:14,197 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:12:14,198 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:12:14,199 INFO L158 Benchmark]: Toolchain (without parser) took 2109.68ms. Allocated memory was 113.2MB in the beginning and 182.5MB in the end (delta: 69.2MB). Free memory was 69.5MB in the beginning and 98.0MB in the end (delta: -28.5MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. [2023-11-21 22:12:14,200 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 113.2MB. Free memory was 87.5MB in the beginning and 87.4MB in the end (delta: 158.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:12:14,201 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.35ms. Allocated memory is still 113.2MB. Free memory was 69.5MB in the beginning and 56.0MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 22:12:14,202 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.54ms. Allocated memory is still 113.2MB. Free memory was 56.0MB in the beginning and 53.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:12:14,203 INFO L158 Benchmark]: Boogie Preprocessor took 70.51ms. Allocated memory is still 113.2MB. Free memory was 53.5MB in the beginning and 50.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:12:14,204 INFO L158 Benchmark]: RCFGBuilder took 854.28ms. Allocated memory was 113.2MB in the beginning and 182.5MB in the end (delta: 69.2MB). Free memory was 50.2MB in the beginning and 131.5MB in the end (delta: -81.4MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2023-11-21 22:12:14,204 INFO L158 Benchmark]: TraceAbstraction took 742.86ms. Allocated memory is still 182.5MB. Free memory was 131.5MB in the beginning and 98.0MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-21 22:12:14,205 INFO L158 Benchmark]: Witness Printer took 4.91ms. Allocated memory is still 182.5MB. Free memory is still 98.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:12:14,209 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 113.2MB. Free memory was 87.5MB in the beginning and 87.4MB in the end (delta: 158.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.35ms. Allocated memory is still 113.2MB. Free memory was 69.5MB in the beginning and 56.0MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.54ms. Allocated memory is still 113.2MB. Free memory was 56.0MB in the beginning and 53.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.51ms. Allocated memory is still 113.2MB. Free memory was 53.5MB in the beginning and 50.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 854.28ms. Allocated memory was 113.2MB in the beginning and 182.5MB in the end (delta: 69.2MB). Free memory was 50.2MB in the beginning and 131.5MB in the end (delta: -81.4MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * TraceAbstraction took 742.86ms. Allocated memory is still 182.5MB. Free memory was 131.5MB in the beginning and 98.0MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 4.91ms. Allocated memory is still 182.5MB. Free memory is still 98.0MB. 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 45, overapproximation of someBinaryArithmeticDOUBLEoperation at line 57, overapproximation of someBinaryDOUBLEComparisonOperation at line 57, overapproximation of someBinaryArithmeticFLOAToperation at line 64. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -1; [L23] float var_1_3 = 32.4; [L24] float var_1_4 = 5.5; [L25] float var_1_5 = 255.475; [L26] unsigned char var_1_7 = 0; [L27] signed char var_1_8 = -5; [L28] signed char var_1_9 = 2; [L29] unsigned char var_1_10 = 16; [L30] unsigned char var_1_11 = 16; [L31] float var_1_12 = 10000000.8; [L32] float var_1_13 = 127.7; [L33] float var_1_14 = 199.2; [L34] float var_1_15 = 999999.5; [L35] signed long int var_1_16 = -8; [L36] signed short int var_1_18 = -8; [L37] double var_1_19 = 5.4; [L38] signed char last_1_var_1_1 = -1; [L39] unsigned char last_1_var_1_10 = 16; [L40] signed long int last_1_var_1_16 = -8; [L128] isInitial = 1 [L129] FCALL initially() [L130] COND TRUE 1 [L131] CALL updateLastVariables() [L119] last_1_var_1_1 = var_1_1 [L120] last_1_var_1_10 = var_1_10 [L121] last_1_var_1_16 = var_1_16 [L131] RET updateLastVariables() [L132] CALL updateVariables() [L92] var_1_3 = __VERIFIER_nondet_float() [L93] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=11/2, var_1_5=10219/40, var_1_7=0, var_1_8=-5, var_1_9=2] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=11/2, var_1_5=10219/40, var_1_7=0, var_1_8=-5, var_1_9=2] [L94] CALL assume_abort_if_not(var_1_3 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=11/2, var_1_5=10219/40, var_1_7=0, var_1_8=-5, var_1_9=2] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_3 != 0.0F) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=11/2, var_1_5=10219/40, var_1_7=0, var_1_8=-5, var_1_9=2] [L95] var_1_4 = __VERIFIER_nondet_float() [L96] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=10000006, var_1_5=10219/40, var_1_7=0, var_1_8=-5, var_1_9=2] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=10000006, var_1_5=10219/40, var_1_7=0, var_1_8=-5, var_1_9=2] [L97] var_1_5 = __VERIFIER_nondet_float() [L98] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=10000006, var_1_5=10000005, var_1_7=0, var_1_8=-5, var_1_9=2] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=10000006, var_1_5=10000005, var_1_7=0, var_1_8=-5, var_1_9=2] [L99] var_1_7 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=10000006, var_1_5=10000005, var_1_7=1, var_1_8=-5, var_1_9=2] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=10000006, var_1_5=10000005, var_1_7=1, var_1_8=-5, var_1_9=2] [L101] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=10000006, var_1_5=10000005, var_1_7=1, var_1_8=-5, var_1_9=2] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=10000006, var_1_5=10000005, var_1_7=1, var_1_8=-5, var_1_9=2] [L102] var_1_8 = __VERIFIER_nondet_char() [L103] CALL assume_abort_if_not(var_1_8 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=10000006, var_1_5=10000005, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_8 >= -127) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=10000006, var_1_5=10000005, var_1_7=1, var_1_8=0, var_1_9=2] [L104] CALL assume_abort_if_not(var_1_8 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=10000006, var_1_5=10000005, var_1_7=1, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_8 <= 126) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=10000006, var_1_5=10000005, var_1_7=1, var_1_8=0, var_1_9=2] [L105] var_1_9 = __VERIFIER_nondet_char() [L106] CALL assume_abort_if_not(var_1_9 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=10000006, var_1_5=10000005, var_1_7=1, var_1_8=0, var_1_9=-127] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_9 >= -127) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=10000006, var_1_5=10000005, var_1_7=1, var_1_8=0, var_1_9=-127] [L107] CALL assume_abort_if_not(var_1_9 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=10000006, var_1_5=10000005, var_1_7=1, var_1_8=0, var_1_9=-127] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_9 <= 126) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=16, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=10000006, var_1_5=10000005, var_1_7=1, var_1_8=0, var_1_9=-127] [L108] var_1_11 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=254, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=10000006, var_1_5=10000005, var_1_7=1, var_1_8=0, var_1_9=-127] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=254, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=10000006, var_1_5=10000005, var_1_7=1, var_1_8=0, var_1_9=-127] [L110] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=254, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=10000006, var_1_5=10000005, var_1_7=1, var_1_8=0, var_1_9=-127] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=254, var_1_12=50000004/5, var_1_13=1277/10, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=10000006, var_1_5=10000005, var_1_7=1, var_1_8=0, var_1_9=-127] [L111] var_1_13 = __VERIFIER_nondet_float() [L112] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=254, var_1_12=50000004/5, var_1_13=27/5, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=10000006, var_1_5=10000005, var_1_7=1, var_1_8=0, var_1_9=-127] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=254, var_1_12=50000004/5, var_1_13=27/5, var_1_14=996/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=10000006, var_1_5=10000005, var_1_7=1, var_1_8=0, var_1_9=-127] [L113] var_1_14 = __VERIFIER_nondet_float() [L114] CALL assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=254, var_1_12=50000004/5, var_1_13=27/5, var_1_14=27/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=10000006, var_1_5=10000005, var_1_7=1, var_1_8=0, var_1_9=-127] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not((var_1_14 >= -461168.6018427382800e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=254, var_1_12=50000004/5, var_1_13=27/5, var_1_14=27/5, var_1_15=1999999/2, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=10000006, var_1_5=10000005, var_1_7=1, var_1_8=0, var_1_9=-127] [L115] var_1_15 = __VERIFIER_nondet_float() [L116] CALL assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=254, var_1_12=50000004/5, var_1_13=27/5, var_1_14=27/5, var_1_15=27/5, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=10000006, var_1_5=10000005, var_1_7=1, var_1_8=0, var_1_9=-127] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not((var_1_15 >= -461168.6018427382800e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 4611686.018427382800e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=16, var_1_11=254, var_1_12=50000004/5, var_1_13=27/5, var_1_14=27/5, var_1_15=27/5, var_1_16=-8, var_1_18=-8, var_1_19=27/5, var_1_1=-1, var_1_4=10000006, var_1_5=10000005, var_1_7=1, var_1_8=0, var_1_9=-127] [L132] RET updateVariables() [L133] CALL step() [L44] COND TRUE var_1_9 < last_1_var_1_16 [L45] COND TRUE (var_1_4 - var_1_5) > var_1_3 [L46] var_1_10 = 8 [L51] COND TRUE \read(var_1_7) [L52] var_1_16 = var_1_8 [L56] COND TRUE ! (last_1_var_1_1 > last_1_var_1_10) [L57] var_1_19 = ((((var_1_13) > ((((((0.05 + var_1_15)) < (var_1_14)) ? ((0.05 + var_1_15)) : (var_1_14))))) ? (var_1_13) : ((((((0.05 + var_1_15)) < (var_1_14)) ? ((0.05 + var_1_15)) : (var_1_14)))))) [L63] COND FALSE !(var_1_5 <= (var_1_19 / var_1_3)) [L66] var_1_12 = var_1_14 [L68] COND FALSE !((var_1_12 / var_1_3) > ((var_1_4 - var_1_5) * var_1_19)) [L75] var_1_1 = var_1_8 [L77] COND FALSE !(var_1_1 >= (var_1_16 + var_1_10)) [L88] var_1_18 = var_1_8 [L133] RET step() [L134] CALL, EXPR property() [L124-L125] return (((((((var_1_12 / var_1_3) > ((var_1_4 - var_1_5) * var_1_19)) ? (var_1_7 ? (var_1_1 == ((signed char) var_1_8)) : (var_1_1 == ((signed char) var_1_9))) : (var_1_1 == ((signed char) var_1_8))) && ((var_1_9 < last_1_var_1_16) ? (((var_1_4 - var_1_5) > var_1_3) ? (var_1_10 == ((unsigned char) 8)) : 1) : (var_1_10 == ((unsigned char) var_1_11)))) && ((var_1_5 <= (var_1_19 / var_1_3)) ? (var_1_12 == ((float) ((((var_1_13) > ((var_1_14 + var_1_15))) ? (var_1_13) : ((var_1_14 + var_1_15)))))) : (var_1_12 == ((float) var_1_14)))) && (var_1_7 ? (var_1_16 == ((signed long int) var_1_8)) : (var_1_16 == ((signed long int) (var_1_11 - ((((var_1_10 - var_1_10) < 0 ) ? -(var_1_10 - var_1_10) : (var_1_10 - var_1_10)))))))) && ((var_1_1 >= (var_1_16 + var_1_10)) ? ((var_1_5 < 999.5f) ? (var_1_7 ? (var_1_18 == ((signed short int) (var_1_16 + var_1_16))) : (var_1_18 == ((signed short int) var_1_8))) : (var_1_18 == ((signed short int) var_1_9))) : (var_1_18 == ((signed short int) var_1_8)))) && ((! (last_1_var_1_1 > last_1_var_1_10)) ? (var_1_19 == ((double) ((((var_1_13) > ((((((0.05 + var_1_15)) < (var_1_14)) ? ((0.05 + var_1_15)) : (var_1_14))))) ? (var_1_13) : ((((((0.05 + var_1_15)) < (var_1_14)) ? ((0.05 + var_1_15)) : (var_1_14)))))))) : ((last_1_var_1_10 > var_1_9) ? (var_1_19 == ((double) var_1_15)) : 1)) ; [L134] RET, EXPR property() [L134] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=8, var_1_11=254, var_1_12=27/5, var_1_13=27/5, var_1_14=27/5, var_1_15=27/5, var_1_16=0, var_1_18=0, var_1_19=27/5, var_1_1=0, var_1_4=10000006, var_1_5=10000005, var_1_7=1, var_1_8=0, var_1_9=-127] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=16, last_1_var_1_16=-8, last_1_var_1_1=-1, var_1_10=8, var_1_11=254, var_1_12=27/5, var_1_13=27/5, var_1_14=27/5, var_1_15=27/5, var_1_16=0, var_1_18=0, var_1_19=27/5, var_1_1=0, var_1_4=10000006, var_1_5=10000005, var_1_7=1, var_1_8=0, var_1_9=-127] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 34 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 15, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 59 NumberOfCodeBlocks, 59 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 22:12:14,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45293468-62ba-45a4-8e49-5c1f3ec4c131/bin/uautomizer-verify-bycVGegfSx/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_45293468-62ba-45a4-8e49-5c1f3ec4c131/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45293468-62ba-45a4-8e49-5c1f3ec4c131/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45293468-62ba-45a4-8e49-5c1f3ec4c131/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45293468-62ba-45a4-8e49-5c1f3ec4c131/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-18.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45293468-62ba-45a4-8e49-5c1f3ec4c131/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45293468-62ba-45a4-8e49-5c1f3ec4c131/bin/uautomizer-verify-bycVGegfSx --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 03a3293d0395dd319c112da86cc4750b5f2f2545de650ed48e25d08335450b80 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:12:16,922 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:12:17,044 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45293468-62ba-45a4-8e49-5c1f3ec4c131/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 22:12:17,053 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:12:17,054 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:12:17,106 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:12:17,106 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:12:17,107 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:12:17,108 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:12:17,113 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:12:17,114 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:12:17,114 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:12:17,115 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:12:17,117 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:12:17,117 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:12:17,118 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:12:17,118 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:12:17,119 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:12:17,119 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:12:17,120 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:12:17,121 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:12:17,121 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:12:17,122 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:12:17,122 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:12:17,122 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:12:17,123 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:12:17,123 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:12:17,124 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:12:17,124 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:12:17,124 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:12:17,126 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:12:17,126 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:12:17,126 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:12:17,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:12:17,127 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:12:17,127 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:12:17,128 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:12:17,128 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:12:17,128 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:12:17,129 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:12:17,129 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:12:17,129 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:12:17,129 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:12:17,129 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:12:17,130 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:12:17,130 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_45293468-62ba-45a4-8e49-5c1f3ec4c131/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45293468-62ba-45a4-8e49-5c1f3ec4c131/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03a3293d0395dd319c112da86cc4750b5f2f2545de650ed48e25d08335450b80 [2023-11-21 22:12:17,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:12:17,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:12:17,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:12:17,590 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:12:17,591 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:12:17,593 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45293468-62ba-45a4-8e49-5c1f3ec4c131/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-18.i [2023-11-21 22:12:20,777 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:12:21,072 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:12:21,073 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45293468-62ba-45a4-8e49-5c1f3ec4c131/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-18.i [2023-11-21 22:12:21,083 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45293468-62ba-45a4-8e49-5c1f3ec4c131/bin/uautomizer-verify-bycVGegfSx/data/bace98334/2028d4a0af0c4ed0bb927c9e424eed0d/FLAG15ceab9f9 [2023-11-21 22:12:21,103 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45293468-62ba-45a4-8e49-5c1f3ec4c131/bin/uautomizer-verify-bycVGegfSx/data/bace98334/2028d4a0af0c4ed0bb927c9e424eed0d [2023-11-21 22:12:21,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:12:21,114 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:12:21,119 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:12:21,119 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:12:21,124 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:12:21,125 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:12:21" (1/1) ... [2023-11-21 22:12:21,126 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1caf39db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:21, skipping insertion in model container [2023-11-21 22:12:21,127 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:12:21" (1/1) ... [2023-11-21 22:12:21,174 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:12:21,380 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_45293468-62ba-45a4-8e49-5c1f3ec4c131/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-18.i[919,932] [2023-11-21 22:12:21,480 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:12:21,508 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:12:21,528 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_45293468-62ba-45a4-8e49-5c1f3ec4c131/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-18.i[919,932] [2023-11-21 22:12:21,588 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:12:21,639 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:12:21,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:21 WrapperNode [2023-11-21 22:12:21,639 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:12:21,641 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:12:21,641 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:12:21,641 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:12:21,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:21" (1/1) ... [2023-11-21 22:12:21,695 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:21" (1/1) ... [2023-11-21 22:12:21,728 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 127 [2023-11-21 22:12:21,728 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:12:21,729 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:12:21,729 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:12:21,729 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:12:21,741 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:21" (1/1) ... [2023-11-21 22:12:21,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:21" (1/1) ... [2023-11-21 22:12:21,746 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:21" (1/1) ... [2023-11-21 22:12:21,758 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:12:21,758 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:21" (1/1) ... [2023-11-21 22:12:21,759 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:21" (1/1) ... [2023-11-21 22:12:21,771 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:21" (1/1) ... [2023-11-21 22:12:21,774 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:21" (1/1) ... [2023-11-21 22:12:21,777 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:21" (1/1) ... [2023-11-21 22:12:21,780 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:21" (1/1) ... [2023-11-21 22:12:21,784 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:12:21,785 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:12:21,785 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:12:21,786 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:12:21,786 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:21" (1/1) ... [2023-11-21 22:12:21,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:12:21,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45293468-62ba-45a4-8e49-5c1f3ec4c131/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:12:21,837 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45293468-62ba-45a4-8e49-5c1f3ec4c131/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:12:21,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45293468-62ba-45a4-8e49-5c1f3ec4c131/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:12:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:12:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 22:12:21,890 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:12:21,891 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:12:21,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:12:21,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:12:22,021 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:12:22,023 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:12:34,522 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:12:34,695 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:12:34,695 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:12:34,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:12:34 BoogieIcfgContainer [2023-11-21 22:12:34,698 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:12:34,700 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:12:34,701 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:12:34,704 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:12:34,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:12:21" (1/3) ... [2023-11-21 22:12:34,707 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b66b2b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:12:34, skipping insertion in model container [2023-11-21 22:12:34,707 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:12:21" (2/3) ... [2023-11-21 22:12:34,709 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b66b2b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:12:34, skipping insertion in model container [2023-11-21 22:12:34,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:12:34" (3/3) ... [2023-11-21 22:12:34,710 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-18.i [2023-11-21 22:12:34,732 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:12:34,733 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:12:34,792 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:12:34,799 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;@75ca9083, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:12:34,799 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:12:34,804 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 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) [2023-11-21 22:12:34,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 22:12:34,815 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:12:34,815 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-21 22:12:34,816 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:12:34,822 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:12:34,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1332792022, now seen corresponding path program 1 times [2023-11-21 22:12:34,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:12:34,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1442356642] [2023-11-21 22:12:34,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:12:34,838 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 [2023-11-21 22:12:34,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45293468-62ba-45a4-8e49-5c1f3ec4c131/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:12:34,844 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45293468-62ba-45a4-8e49-5c1f3ec4c131/bin/uautomizer-verify-bycVGegfSx/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) [2023-11-21 22:12:34,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45293468-62ba-45a4-8e49-5c1f3ec4c131/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:12:38,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:38,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-21 22:12:38,257 INFO L285 TraceCheckSpWp]: Computing forward predicates...