./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-93.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb3d73-51da-4539-9006-8bb7f111dca0/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb3d73-51da-4539-9006-8bb7f111dca0/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_50bb3d73-51da-4539-9006-8bb7f111dca0/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb3d73-51da-4539-9006-8bb7f111dca0/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-93.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb3d73-51da-4539-9006-8bb7f111dca0/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_50bb3d73-51da-4539-9006-8bb7f111dca0/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 2d9182cedd229d548c201f82860145814c664e2f98d8085b9b53829346d05f25 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:06:21,751 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:06:21,895 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb3d73-51da-4539-9006-8bb7f111dca0/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:06:21,914 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:06:21,915 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:06:21,958 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:06:21,959 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:06:21,959 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:06:21,960 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:06:21,961 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:06:21,962 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:06:21,962 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:06:21,963 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:06:21,964 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:06:21,965 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:06:21,965 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:06:21,966 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:06:21,966 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:06:21,967 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:06:21,968 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:06:21,968 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:06:21,969 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:06:21,969 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:06:21,970 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:06:21,971 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:06:21,971 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:06:21,972 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:06:21,973 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:06:21,973 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:06:21,974 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:06:21,974 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:06:21,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:06:21,975 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:06:21,976 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:06:21,976 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:06:21,977 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:06:21,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:06:21,977 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:06:21,978 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:06:21,978 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:06:21,979 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:06:21,979 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:06:21,979 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_50bb3d73-51da-4539-9006-8bb7f111dca0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb3d73-51da-4539-9006-8bb7f111dca0/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d9182cedd229d548c201f82860145814c664e2f98d8085b9b53829346d05f25 [2023-11-21 22:06:22,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:06:22,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:06:22,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:06:22,245 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:06:22,246 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:06:22,247 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb3d73-51da-4539-9006-8bb7f111dca0/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-93.i [2023-11-21 22:06:25,521 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:06:25,770 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:06:25,771 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb3d73-51da-4539-9006-8bb7f111dca0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-93.i [2023-11-21 22:06:25,781 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb3d73-51da-4539-9006-8bb7f111dca0/bin/uautomizer-verify-bycVGegfSx/data/e57f9aa93/312b335e775449288b6da72ae43a7d93/FLAGe3f4173aa [2023-11-21 22:06:25,799 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb3d73-51da-4539-9006-8bb7f111dca0/bin/uautomizer-verify-bycVGegfSx/data/e57f9aa93/312b335e775449288b6da72ae43a7d93 [2023-11-21 22:06:25,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:06:25,804 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:06:25,806 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:06:25,806 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:06:25,813 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:06:25,814 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:06:25" (1/1) ... [2023-11-21 22:06:25,815 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c6a9fb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:25, skipping insertion in model container [2023-11-21 22:06:25,815 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:06:25" (1/1) ... [2023-11-21 22:06:25,849 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:06:26,079 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_50bb3d73-51da-4539-9006-8bb7f111dca0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-93.i[913,926] [2023-11-21 22:06:26,125 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:06:26,138 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:06:26,153 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_50bb3d73-51da-4539-9006-8bb7f111dca0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-93.i[913,926] [2023-11-21 22:06:26,177 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:06:26,195 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:06:26,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:26 WrapperNode [2023-11-21 22:06:26,196 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:06:26,197 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:06:26,197 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:06:26,198 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:06:26,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:26" (1/1) ... [2023-11-21 22:06:26,216 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:26" (1/1) ... [2023-11-21 22:06:26,254 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 101 [2023-11-21 22:06:26,254 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:06:26,255 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:06:26,255 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:06:26,255 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:06:26,267 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:26" (1/1) ... [2023-11-21 22:06:26,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:26" (1/1) ... [2023-11-21 22:06:26,269 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:26" (1/1) ... [2023-11-21 22:06:26,280 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:06:26,281 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:26" (1/1) ... [2023-11-21 22:06:26,281 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:26" (1/1) ... [2023-11-21 22:06:26,288 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:26" (1/1) ... [2023-11-21 22:06:26,291 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:26" (1/1) ... [2023-11-21 22:06:26,307 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:26" (1/1) ... [2023-11-21 22:06:26,309 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:26" (1/1) ... [2023-11-21 22:06:26,312 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:06:26,313 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:06:26,313 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:06:26,313 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:06:26,314 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:26" (1/1) ... [2023-11-21 22:06:26,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:06:26,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb3d73-51da-4539-9006-8bb7f111dca0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:26,359 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb3d73-51da-4539-9006-8bb7f111dca0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:26,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb3d73-51da-4539-9006-8bb7f111dca0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:06:26,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:06:26,393 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:06:26,393 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:06:26,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:06:26,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:06:26,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:06:26,490 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:06:26,492 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:06:26,757 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:06:26,884 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:06:26,884 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:06:26,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:06:26 BoogieIcfgContainer [2023-11-21 22:06:26,886 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:06:26,889 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:06:26,890 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:06:26,893 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:06:26,894 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:06:25" (1/3) ... [2023-11-21 22:06:26,895 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79e267a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:06:26, skipping insertion in model container [2023-11-21 22:06:26,895 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:26" (2/3) ... [2023-11-21 22:06:26,895 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79e267a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:06:26, skipping insertion in model container [2023-11-21 22:06:26,896 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:06:26" (3/3) ... [2023-11-21 22:06:26,897 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-93.i [2023-11-21 22:06:26,918 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:06:26,926 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:06:26,973 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:06:26,979 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;@b275ba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:06:26,979 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:06:26,983 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-21 22:06:26,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 22:06:26,991 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:06:26,992 INFO L195 NwaCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:06:26,993 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:06:26,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:26,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1244771287, now seen corresponding path program 1 times [2023-11-21 22:06:27,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:27,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63675337] [2023-11-21 22:06:27,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:27,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:27,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:27,270 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:27,484 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:27,486 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:06:27,488 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:06:27,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:06:27,496 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:06:27,501 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:06:27,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:06:27 BoogieIcfgContainer [2023-11-21 22:06:27,576 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:06:27,577 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:06:27,577 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:06:27,577 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:06:27,578 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:06:26" (3/4) ... [2023-11-21 22:06:27,580 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:06:27,581 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:06:27,583 INFO L158 Benchmark]: Toolchain (without parser) took 1778.48ms. Allocated memory was 111.1MB in the beginning and 146.8MB in the end (delta: 35.7MB). Free memory was 72.6MB in the beginning and 76.0MB in the end (delta: -3.4MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2023-11-21 22:06:27,583 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 111.1MB. Free memory is still 57.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:06:27,584 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.50ms. Allocated memory is still 111.1MB. Free memory was 72.4MB in the beginning and 60.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:06:27,585 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.14ms. Allocated memory is still 111.1MB. Free memory was 60.3MB in the beginning and 58.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:06:27,585 INFO L158 Benchmark]: Boogie Preprocessor took 56.90ms. Allocated memory is still 111.1MB. Free memory was 58.0MB in the beginning and 55.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:06:27,586 INFO L158 Benchmark]: RCFGBuilder took 573.52ms. Allocated memory was 111.1MB in the beginning and 146.8MB in the end (delta: 35.7MB). Free memory was 55.7MB in the beginning and 104.5MB in the end (delta: -48.9MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2023-11-21 22:06:27,587 INFO L158 Benchmark]: TraceAbstraction took 687.04ms. Allocated memory is still 146.8MB. Free memory was 103.9MB in the beginning and 76.0MB in the end (delta: 27.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-21 22:06:27,587 INFO L158 Benchmark]: Witness Printer took 4.49ms. Allocated memory is still 146.8MB. Free memory is still 76.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:06:27,591 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 111.1MB. Free memory is still 57.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 390.50ms. Allocated memory is still 111.1MB. Free memory was 72.4MB in the beginning and 60.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.14ms. Allocated memory is still 111.1MB. Free memory was 60.3MB in the beginning and 58.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.90ms. Allocated memory is still 111.1MB. Free memory was 58.0MB in the beginning and 55.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 573.52ms. Allocated memory was 111.1MB in the beginning and 146.8MB in the end (delta: 35.7MB). Free memory was 55.7MB in the beginning and 104.5MB in the end (delta: -48.9MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * TraceAbstraction took 687.04ms. Allocated memory is still 146.8MB. Free memory was 103.9MB in the beginning and 76.0MB in the end (delta: 27.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 4.49ms. Allocated memory is still 146.8MB. Free memory is still 76.0MB. 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 someBinaryDOUBLEComparisonOperation at line 38, overapproximation of someBinaryFLOATComparisonOperation at line 89, overapproximation of someUnaryDOUBLEoperation at line 23. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 255.3; [L23] double var_1_3 = -0.9; [L24] double var_1_5 = 128.5; [L25] double var_1_6 = 9.186; [L26] double var_1_7 = 31.75; [L27] double var_1_8 = 9.6; [L28] float var_1_9 = 499.2; [L29] float var_1_10 = 1.5; [L30] unsigned char var_1_11 = 0; [L31] unsigned char var_1_12 = 1; [L32] unsigned char var_1_13 = 0; [L33] unsigned char var_1_14 = 1; [L34] float last_1_var_1_10 = 1.5; [L93] isInitial = 1 [L94] FCALL initially() [L95] COND TRUE 1 [L96] CALL updateLastVariables() [L86] last_1_var_1_10 = var_1_10 [L96] RET updateLastVariables() [L97] CALL updateVariables() [L61] var_1_3 = __VERIFIER_nondet_double() [L62] 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=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=257/2, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L20] COND FALSE !(!cond) [L62] 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=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=257/2, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L63] CALL assume_abort_if_not(var_1_3 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=257/2, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_3 != 0.0F) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=257/2, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L64] var_1_5 = __VERIFIER_nondet_double() [L65] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && 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=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && 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=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L66] CALL assume_abort_if_not(var_1_5 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_5 != 0.0F) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L67] var_1_6 = __VERIFIER_nondet_double() [L68] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L69] var_1_7 = __VERIFIER_nondet_double() [L70] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=48/5, var_1_9=2496/5] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=48/5, var_1_9=2496/5] [L71] var_1_8 = __VERIFIER_nondet_double() [L72] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=10000000000005, var_1_9=2496/5] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=10000000000005, var_1_9=2496/5] [L73] var_1_9 = __VERIFIER_nondet_float() [L74] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=10000000000005, var_1_9=50000000000002/5] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=10000000000005, var_1_9=50000000000002/5] [L75] var_1_12 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=10000000000005, var_1_9=50000000000002/5] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=10000000000005, var_1_9=50000000000002/5] [L77] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=10000000000005, var_1_9=50000000000002/5] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=10000000000005, var_1_9=50000000000002/5] [L78] var_1_13 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=10000000000005, var_1_9=50000000000002/5] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=10000000000005, var_1_9=50000000000002/5] [L80] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=10000000000005, var_1_9=50000000000002/5] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=10000000000005, var_1_9=50000000000002/5] [L81] var_1_14 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=10000000000005, var_1_9=50000000000002/5] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=10000000000005, var_1_9=50000000000002/5] [L83] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=10000000000005, var_1_9=50000000000002/5] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=10000000000005, var_1_9=50000000000002/5] [L97] RET updateVariables() [L98] CALL step() [L38] COND TRUE ((- last_1_var_1_10) / var_1_3) != (last_1_var_1_10 / var_1_5) [L39] COND FALSE !(last_1_var_1_10 != (((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7))) - var_1_8)) [L42] var_1_1 = var_1_9 [L47] COND TRUE var_1_1 > (((((var_1_9 * 128.4)) > ((var_1_5 * var_1_1))) ? ((var_1_9 * 128.4)) : ((var_1_5 * var_1_1)))) [L48] var_1_10 = 1.00000000000004E13f [L52] COND FALSE !(! (var_1_3 <= var_1_10)) [L55] COND FALSE !((var_1_7 / var_1_3) < ((((((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6)))) < (var_1_5)) ? (((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6)))) : (var_1_5)))) [L98] RET step() [L99] CALL, EXPR property() [L89-L90] return (((((- last_1_var_1_10) / var_1_3) != (last_1_var_1_10 / var_1_5)) ? ((last_1_var_1_10 != (((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7))) - var_1_8)) ? (var_1_1 == ((float) var_1_9)) : (var_1_1 == ((float) var_1_9))) : (var_1_1 == ((float) 64.51f))) && ((var_1_1 > (((((var_1_9 * 128.4)) > ((var_1_5 * var_1_1))) ? ((var_1_9 * 128.4)) : ((var_1_5 * var_1_1))))) ? (var_1_10 == ((float) 1.00000000000004E13f)) : (var_1_10 == ((float) var_1_9)))) && ((! (var_1_3 <= var_1_10)) ? (var_1_11 == ((unsigned char) (var_1_12 && var_1_13))) : (((var_1_7 / var_1_3) < ((((((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6)))) < (var_1_5)) ? (((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6)))) : (var_1_5)))) ? (var_1_11 == ((unsigned char) var_1_14)) : 1)) ; [L99] RET, EXPR property() [L99] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=3/2, var_1_10=50000000000002/5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=50000000000002/5, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=10000000000005, var_1_9=50000000000002/5] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=3/2, var_1_10=50000000000002/5, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=50000000000002/5, var_1_5=10000000000007, var_1_6=10000000000006, var_1_7=10000000000008, var_1_8=10000000000005, var_1_9=50000000000002/5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 14, 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=32occurred 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, 55 NumberOfCodeBlocks, 55 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 22:06:27,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb3d73-51da-4539-9006-8bb7f111dca0/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb3d73-51da-4539-9006-8bb7f111dca0/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb3d73-51da-4539-9006-8bb7f111dca0/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_50bb3d73-51da-4539-9006-8bb7f111dca0/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb3d73-51da-4539-9006-8bb7f111dca0/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-93.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb3d73-51da-4539-9006-8bb7f111dca0/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_50bb3d73-51da-4539-9006-8bb7f111dca0/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 2d9182cedd229d548c201f82860145814c664e2f98d8085b9b53829346d05f25 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:06:30,567 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:06:30,721 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb3d73-51da-4539-9006-8bb7f111dca0/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 22:06:30,731 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:06:30,732 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:06:30,785 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:06:30,786 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:06:30,786 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:06:30,788 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:06:30,793 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:06:30,794 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:06:30,795 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:06:30,796 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:06:30,798 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:06:30,798 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:06:30,799 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:06:30,800 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:06:30,800 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:06:30,801 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:06:30,801 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:06:30,802 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:06:30,803 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:06:30,803 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:06:30,804 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:06:30,805 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:06:30,805 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:06:30,806 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:06:30,806 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:06:30,807 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:06:30,807 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:06:30,809 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:06:30,810 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:06:30,810 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:06:30,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:06:30,811 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:06:30,811 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:06:30,813 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:06:30,813 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:06:30,813 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:06:30,814 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:06:30,814 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:06:30,815 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:06:30,815 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:06:30,815 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:06:30,816 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:06:30,816 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_50bb3d73-51da-4539-9006-8bb7f111dca0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb3d73-51da-4539-9006-8bb7f111dca0/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d9182cedd229d548c201f82860145814c664e2f98d8085b9b53829346d05f25 [2023-11-21 22:06:31,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:06:31,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:06:31,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:06:31,285 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:06:31,285 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:06:31,287 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb3d73-51da-4539-9006-8bb7f111dca0/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-93.i [2023-11-21 22:06:34,907 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:06:35,189 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:06:35,190 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb3d73-51da-4539-9006-8bb7f111dca0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-93.i [2023-11-21 22:06:35,202 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb3d73-51da-4539-9006-8bb7f111dca0/bin/uautomizer-verify-bycVGegfSx/data/1c2b719f4/66510c2e687d4a72b7e77bf416e12c85/FLAG31cf5dc61 [2023-11-21 22:06:35,218 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb3d73-51da-4539-9006-8bb7f111dca0/bin/uautomizer-verify-bycVGegfSx/data/1c2b719f4/66510c2e687d4a72b7e77bf416e12c85 [2023-11-21 22:06:35,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:06:35,222 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:06:35,224 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:06:35,224 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:06:35,230 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:06:35,231 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:06:35" (1/1) ... [2023-11-21 22:06:35,232 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5649f3d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:35, skipping insertion in model container [2023-11-21 22:06:35,232 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:06:35" (1/1) ... [2023-11-21 22:06:35,260 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:06:35,421 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_50bb3d73-51da-4539-9006-8bb7f111dca0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-93.i[913,926] [2023-11-21 22:06:35,461 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:06:35,477 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:06:35,491 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_50bb3d73-51da-4539-9006-8bb7f111dca0/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-93.i[913,926] [2023-11-21 22:06:35,515 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:06:35,541 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:06:35,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:35 WrapperNode [2023-11-21 22:06:35,542 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:06:35,543 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:06:35,543 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:06:35,544 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:06:35,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:35" (1/1) ... [2023-11-21 22:06:35,579 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:35" (1/1) ... [2023-11-21 22:06:35,630 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 101 [2023-11-21 22:06:35,630 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:06:35,631 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:06:35,631 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:06:35,632 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:06:35,649 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:35" (1/1) ... [2023-11-21 22:06:35,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:35" (1/1) ... [2023-11-21 22:06:35,665 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:35" (1/1) ... [2023-11-21 22:06:35,682 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:06:35,686 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:35" (1/1) ... [2023-11-21 22:06:35,686 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:35" (1/1) ... [2023-11-21 22:06:35,708 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:35" (1/1) ... [2023-11-21 22:06:35,712 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:35" (1/1) ... [2023-11-21 22:06:35,714 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:35" (1/1) ... [2023-11-21 22:06:35,716 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:35" (1/1) ... [2023-11-21 22:06:35,736 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:06:35,737 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:06:35,738 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:06:35,738 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:06:35,739 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:35" (1/1) ... [2023-11-21 22:06:35,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:06:35,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb3d73-51da-4539-9006-8bb7f111dca0/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:35,775 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb3d73-51da-4539-9006-8bb7f111dca0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:35,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb3d73-51da-4539-9006-8bb7f111dca0/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:06:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:06:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 22:06:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:06:35,814 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:06:35,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:06:35,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:06:35,901 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:06:35,903 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:06:52,440 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:06:52,614 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:06:52,615 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:06:52,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:06:52 BoogieIcfgContainer [2023-11-21 22:06:52,617 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:06:52,619 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:06:52,619 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:06:52,623 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:06:52,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:06:35" (1/3) ... [2023-11-21 22:06:52,624 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14e77341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:06:52, skipping insertion in model container [2023-11-21 22:06:52,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:35" (2/3) ... [2023-11-21 22:06:52,624 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14e77341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:06:52, skipping insertion in model container [2023-11-21 22:06:52,625 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:06:52" (3/3) ... [2023-11-21 22:06:52,626 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-93.i [2023-11-21 22:06:52,645 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:06:52,646 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:06:52,699 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:06:52,705 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;@64c4057d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:06:52,705 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:06:52,710 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-21 22:06:52,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 22:06:52,720 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:06:52,720 INFO L195 NwaCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:06:52,721 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:06:52,726 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:52,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1244771287, now seen corresponding path program 1 times [2023-11-21 22:06:52,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:06:52,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [533493144] [2023-11-21 22:06:52,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:52,741 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 22:06:52,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb3d73-51da-4539-9006-8bb7f111dca0/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:06:52,746 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb3d73-51da-4539-9006-8bb7f111dca0/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 22:06:52,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50bb3d73-51da-4539-9006-8bb7f111dca0/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 22:06:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:56,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 22:06:56,172 INFO L285 TraceCheckSpWp]: Computing forward predicates...