./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-38.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_bf397246-2d2b-407e-9cc0-fe011a8e142e/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf397246-2d2b-407e-9cc0-fe011a8e142e/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_bf397246-2d2b-407e-9cc0-fe011a8e142e/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf397246-2d2b-407e-9cc0-fe011a8e142e/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-38.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf397246-2d2b-407e-9cc0-fe011a8e142e/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_bf397246-2d2b-407e-9cc0-fe011a8e142e/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 8ecb8a86c5100f100392f33b5049e59f5466347bbc0a9c9e82d59cb07a715797 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:22:38,242 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:22:38,311 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf397246-2d2b-407e-9cc0-fe011a8e142e/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:22:38,317 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:22:38,318 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:22:38,345 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:22:38,345 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:22:38,346 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:22:38,347 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:22:38,347 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:22:38,348 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:22:38,348 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:22:38,349 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:22:38,350 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:22:38,350 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:22:38,351 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:22:38,351 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:22:38,352 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:22:38,352 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:22:38,353 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:22:38,353 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:22:38,356 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:22:38,357 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:22:38,357 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:22:38,358 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:22:38,358 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:22:38,358 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:22:38,359 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:22:38,359 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:22:38,359 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:22:38,360 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:22:38,360 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:22:38,361 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:22:38,361 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:22:38,361 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:22:38,362 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:22:38,362 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:22:38,365 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:22:38,365 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:22:38,366 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:22:38,366 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:22:38,366 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:22:38,366 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_bf397246-2d2b-407e-9cc0-fe011a8e142e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf397246-2d2b-407e-9cc0-fe011a8e142e/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ecb8a86c5100f100392f33b5049e59f5466347bbc0a9c9e82d59cb07a715797 [2023-11-21 22:22:38,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:22:38,633 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:22:38,635 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:22:38,637 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:22:38,637 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:22:38,639 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf397246-2d2b-407e-9cc0-fe011a8e142e/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-38.i [2023-11-21 22:22:42,093 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:22:42,359 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:22:42,360 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf397246-2d2b-407e-9cc0-fe011a8e142e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-38.i [2023-11-21 22:22:42,372 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf397246-2d2b-407e-9cc0-fe011a8e142e/bin/uautomizer-verify-bycVGegfSx/data/d733a7ab6/160dbb7be81245c9b6a5d7d552583f5b/FLAG9154e083f [2023-11-21 22:22:42,395 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf397246-2d2b-407e-9cc0-fe011a8e142e/bin/uautomizer-verify-bycVGegfSx/data/d733a7ab6/160dbb7be81245c9b6a5d7d552583f5b [2023-11-21 22:22:42,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:22:42,400 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:22:42,402 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:22:42,403 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:22:42,408 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:22:42,409 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:22:42" (1/1) ... [2023-11-21 22:22:42,410 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@147922c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:42, skipping insertion in model container [2023-11-21 22:22:42,411 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:22:42" (1/1) ... [2023-11-21 22:22:42,447 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:22:42,637 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_bf397246-2d2b-407e-9cc0-fe011a8e142e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-38.i[915,928] [2023-11-21 22:22:42,692 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:22:42,706 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:22:42,718 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_bf397246-2d2b-407e-9cc0-fe011a8e142e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-38.i[915,928] [2023-11-21 22:22:42,749 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:22:42,766 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:22:42,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:42 WrapperNode [2023-11-21 22:22:42,767 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:22:42,768 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:22:42,768 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:22:42,768 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:22:42,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:42" (1/1) ... [2023-11-21 22:22:42,787 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:42" (1/1) ... [2023-11-21 22:22:42,849 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2023-11-21 22:22:42,849 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:22:42,850 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:22:42,851 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:22:42,851 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:22:42,864 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:42" (1/1) ... [2023-11-21 22:22:42,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:42" (1/1) ... [2023-11-21 22:22:42,867 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:42" (1/1) ... [2023-11-21 22:22:42,897 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:22:42,902 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:42" (1/1) ... [2023-11-21 22:22:42,902 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:42" (1/1) ... [2023-11-21 22:22:42,920 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:42" (1/1) ... [2023-11-21 22:22:42,930 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:42" (1/1) ... [2023-11-21 22:22:42,940 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:42" (1/1) ... [2023-11-21 22:22:42,942 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:42" (1/1) ... [2023-11-21 22:22:42,946 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:22:42,948 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:22:42,948 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:22:42,948 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:22:42,949 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:42" (1/1) ... [2023-11-21 22:22:42,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:22:42,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf397246-2d2b-407e-9cc0-fe011a8e142e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:43,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf397246-2d2b-407e-9cc0-fe011a8e142e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:43,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf397246-2d2b-407e-9cc0-fe011a8e142e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:22:43,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:22:43,065 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:22:43,067 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:22:43,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:22:43,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:22:43,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:22:43,203 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:22:43,206 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:22:43,577 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:22:43,744 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:22:43,744 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:22:43,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:22:43 BoogieIcfgContainer [2023-11-21 22:22:43,746 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:22:43,749 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:22:43,749 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:22:43,761 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:22:43,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:22:42" (1/3) ... [2023-11-21 22:22:43,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f1d49f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:22:43, skipping insertion in model container [2023-11-21 22:22:43,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:42" (2/3) ... [2023-11-21 22:22:43,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f1d49f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:22:43, skipping insertion in model container [2023-11-21 22:22:43,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:22:43" (3/3) ... [2023-11-21 22:22:43,765 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-38.i [2023-11-21 22:22:43,792 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:22:43,792 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:22:43,860 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:22:43,867 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;@2519e2b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:22:43,868 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:22:43,872 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-21 22:22:43,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-21 22:22:43,889 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:22:43,890 INFO L195 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:22:43,891 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:22:43,900 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:43,900 INFO L85 PathProgramCache]: Analyzing trace with hash -993539269, now seen corresponding path program 1 times [2023-11-21 22:22:43,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:22:43,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894127216] [2023-11-21 22:22:43,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:43,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:22:44,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:44,519 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:22:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:22:44,768 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:22:44,770 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:22:44,771 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:22:44,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:22:44,781 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:22:44,797 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:22:44,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:22:44 BoogieIcfgContainer [2023-11-21 22:22:44,912 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:22:44,915 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:22:44,915 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:22:44,915 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:22:44,916 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:22:43" (3/4) ... [2023-11-21 22:22:44,919 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:22:44,920 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:22:44,922 INFO L158 Benchmark]: Toolchain (without parser) took 2521.13ms. Allocated memory is still 151.0MB. Free memory was 114.1MB in the beginning and 113.8MB in the end (delta: 214.8kB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. [2023-11-21 22:22:44,922 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:22:44,923 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.81ms. Allocated memory is still 151.0MB. Free memory was 114.1MB in the beginning and 101.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:22:44,925 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.70ms. Allocated memory is still 151.0MB. Free memory was 101.5MB in the beginning and 98.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:22:44,925 INFO L158 Benchmark]: Boogie Preprocessor took 96.31ms. Allocated memory is still 151.0MB. Free memory was 98.6MB in the beginning and 94.5MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:22:44,931 INFO L158 Benchmark]: RCFGBuilder took 798.47ms. Allocated memory is still 151.0MB. Free memory was 94.5MB in the beginning and 110.3MB in the end (delta: -15.8MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2023-11-21 22:22:44,933 INFO L158 Benchmark]: TraceAbstraction took 1163.83ms. Allocated memory is still 151.0MB. Free memory was 109.6MB in the beginning and 113.8MB in the end (delta: -4.3MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. [2023-11-21 22:22:44,933 INFO L158 Benchmark]: Witness Printer took 5.74ms. Allocated memory is still 151.0MB. Free memory is still 113.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:22:44,941 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.81ms. Allocated memory is still 151.0MB. Free memory was 114.1MB in the beginning and 101.5MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.70ms. Allocated memory is still 151.0MB. Free memory was 101.5MB in the beginning and 98.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.31ms. Allocated memory is still 151.0MB. Free memory was 98.6MB in the beginning and 94.5MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 798.47ms. Allocated memory is still 151.0MB. Free memory was 94.5MB in the beginning and 110.3MB in the end (delta: -15.8MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1163.83ms. Allocated memory is still 151.0MB. Free memory was 109.6MB in the beginning and 113.8MB in the end (delta: -4.3MB). Peak memory consumption was 45.8MB. Max. memory is 16.1GB. * Witness Printer took 5.74ms. Allocated memory is still 151.0MB. Free memory is still 113.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 94, overapproximation of someBinaryArithmeticDOUBLEoperation at line 46. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 0; [L23] unsigned short int var_1_2 = 56507; [L24] unsigned short int var_1_3 = 52902; [L25] unsigned short int var_1_4 = 8; [L26] unsigned long int var_1_5 = 16; [L27] unsigned long int var_1_6 = 1771558822; [L28] double var_1_7 = 7.25; [L29] double var_1_8 = 31.2; [L30] double var_1_9 = 32.71; [L31] double var_1_10 = 0.4; [L32] double var_1_11 = 7.75; [L33] unsigned short int var_1_12 = 32; [L34] unsigned char var_1_13 = 0; [L35] unsigned short int var_1_14 = 20114; [L36] unsigned short int var_1_15 = 32; [L37] unsigned short int var_1_16 = 16773; [L98] isInitial = 1 [L99] FCALL initially() [L100] COND TRUE 1 [L101] FCALL updateLastVariables() [L102] CALL updateVariables() [L58] var_1_2 = __VERIFIER_nondet_ushort() [L59] CALL assume_abort_if_not(var_1_2 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=52902, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) [L59] RET assume_abort_if_not(var_1_2 >= 32767) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=52902, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L60] CALL assume_abort_if_not(var_1_2 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=52902, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) [L60] RET assume_abort_if_not(var_1_2 <= 65534) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=52902, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L61] var_1_3 = __VERIFIER_nondet_ushort() [L62] CALL assume_abort_if_not(var_1_3 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=32768, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not(var_1_3 >= 32767) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=32768, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L63] CALL assume_abort_if_not(var_1_3 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=32768, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_3 <= 65534) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=32768, var_1_4=8, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L64] var_1_4 = __VERIFIER_nondet_ushort() [L65] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=32768, var_1_4=32767, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=32768, var_1_4=32767, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L66] CALL assume_abort_if_not(var_1_4 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=32768, var_1_4=32767, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_4 <= 32767) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=32768, var_1_4=32767, var_1_5=16, var_1_6=1771558822, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L67] var_1_6 = __VERIFIER_nondet_ulong() [L68] CALL assume_abort_if_not(var_1_6 >= 1610612735) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=32768, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_6 >= 1610612735) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=32768, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L69] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=32768, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=32768, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4, var_1_8=156/5, var_1_9=3271/100] [L70] var_1_8 = __VERIFIER_nondet_double() [L71] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=32768, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4, var_1_8=1771558827, var_1_9=3271/100] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=32768, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4, var_1_8=1771558827, var_1_9=3271/100] [L72] var_1_9 = __VERIFIER_nondet_double() [L73] CALL assume_abort_if_not((var_1_9 >= -230584.3009213691390e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=32768, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4, var_1_8=1771558827, var_1_9=1771558830] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not((var_1_9 >= -230584.3009213691390e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=2/5, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=32768, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4, var_1_8=1771558827, var_1_9=1771558830] [L74] var_1_10 = __VERIFIER_nondet_double() [L75] CALL assume_abort_if_not((var_1_10 >= -115292.1504606845700e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 1152921.504606845700e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1771558828, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=32768, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4, var_1_8=1771558827, var_1_9=1771558830] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not((var_1_10 >= -115292.1504606845700e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 1152921.504606845700e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1771558828, var_1_11=31/4, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=32768, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4, var_1_8=1771558827, var_1_9=1771558830] [L76] var_1_11 = __VERIFIER_nondet_double() [L77] CALL assume_abort_if_not((var_1_11 >= -115292.1504606845700e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 1152921.504606845700e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1771558828, var_1_11=1771558829, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=32768, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4, var_1_8=1771558827, var_1_9=1771558830] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not((var_1_11 >= -115292.1504606845700e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 1152921.504606845700e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1771558828, var_1_11=1771558829, var_1_12=32, var_1_13=0, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=32768, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4, var_1_8=1771558827, var_1_9=1771558830] [L78] var_1_13 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1771558828, var_1_11=1771558829, var_1_12=32, var_1_13=1, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=32768, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4, var_1_8=1771558827, var_1_9=1771558830] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=1771558828, var_1_11=1771558829, var_1_12=32, var_1_13=1, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=32768, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4, var_1_8=1771558827, var_1_9=1771558830] [L80] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1771558828, var_1_11=1771558829, var_1_12=32, var_1_13=1, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=32768, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4, var_1_8=1771558827, var_1_9=1771558830] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=1771558828, var_1_11=1771558829, var_1_12=32, var_1_13=1, var_1_14=20114, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=32768, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4, var_1_8=1771558827, var_1_9=1771558830] [L81] var_1_14 = __VERIFIER_nondet_ushort() [L82] CALL assume_abort_if_not(var_1_14 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=1771558828, var_1_11=1771558829, var_1_12=32, var_1_13=1, var_1_14=16843, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=32768, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4, var_1_8=1771558827, var_1_9=1771558830] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_14 >= 16383) VAL [isInitial=1, var_1_10=1771558828, var_1_11=1771558829, var_1_12=32, var_1_13=1, var_1_14=16843, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=32768, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4, var_1_8=1771558827, var_1_9=1771558830] [L83] CALL assume_abort_if_not(var_1_14 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1771558828, var_1_11=1771558829, var_1_12=32, var_1_13=1, var_1_14=16843, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=32768, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4, var_1_8=1771558827, var_1_9=1771558830] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_14 <= 32767) VAL [isInitial=1, var_1_10=1771558828, var_1_11=1771558829, var_1_12=32, var_1_13=1, var_1_14=16843, var_1_15=32, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=32768, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4, var_1_8=1771558827, var_1_9=1771558830] [L84] var_1_15 = __VERIFIER_nondet_ushort() [L85] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1771558828, var_1_11=1771558829, var_1_12=32, var_1_13=1, var_1_14=16843, var_1_15=11252, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=32768, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4, var_1_8=1771558827, var_1_9=1771558830] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=1771558828, var_1_11=1771558829, var_1_12=32, var_1_13=1, var_1_14=16843, var_1_15=11252, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=32768, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4, var_1_8=1771558827, var_1_9=1771558830] [L86] CALL assume_abort_if_not(var_1_15 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=1771558828, var_1_11=1771558829, var_1_12=32, var_1_13=1, var_1_14=16843, var_1_15=11252, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=32768, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4, var_1_8=1771558827, var_1_9=1771558830] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_15 <= 16383) VAL [isInitial=1, var_1_10=1771558828, var_1_11=1771558829, var_1_12=32, var_1_13=1, var_1_14=16843, var_1_15=11252, var_1_16=16773, var_1_1=0, var_1_2=32767, var_1_3=32768, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4, var_1_8=1771558827, var_1_9=1771558830] [L87] var_1_16 = __VERIFIER_nondet_ushort() [L88] CALL assume_abort_if_not(var_1_16 >= 16384) VAL [\old(cond)=1, isInitial=1, var_1_10=1771558828, var_1_11=1771558829, var_1_12=32, var_1_13=1, var_1_14=16843, var_1_15=11252, var_1_16=16384, var_1_1=0, var_1_2=32767, var_1_3=32768, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4, var_1_8=1771558827, var_1_9=1771558830] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_16 >= 16384) VAL [isInitial=1, var_1_10=1771558828, var_1_11=1771558829, var_1_12=32, var_1_13=1, var_1_14=16843, var_1_15=11252, var_1_16=16384, var_1_1=0, var_1_2=32767, var_1_3=32768, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4, var_1_8=1771558827, var_1_9=1771558830] [L89] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1771558828, var_1_11=1771558829, var_1_12=32, var_1_13=1, var_1_14=16843, var_1_15=11252, var_1_16=16384, var_1_1=0, var_1_2=32767, var_1_3=32768, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4, var_1_8=1771558827, var_1_9=1771558830] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, var_1_10=1771558828, var_1_11=1771558829, var_1_12=32, var_1_13=1, var_1_14=16843, var_1_15=11252, var_1_16=16384, var_1_1=0, var_1_2=32767, var_1_3=32768, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_7=29/4, var_1_8=1771558827, var_1_9=1771558830] [L102] RET updateVariables() [L103] CALL step() [L41] var_1_1 = (((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) - var_1_4) [L42] unsigned short int stepLocal_0 = var_1_4; [L43] COND FALSE !(stepLocal_0 > var_1_2) [L46] var_1_7 = (var_1_8 + (var_1_9 + (var_1_10 + var_1_11))) [L47] COND FALSE !(! var_1_13) [L50] COND TRUE \read(var_1_13) [L51] var_1_12 = ((27636 + var_1_16) - (((((16853 - 10)) > (var_1_14)) ? ((16853 - 10)) : (var_1_14)))) [L103] RET step() [L104] CALL, EXPR property() [L94-L95] return (((var_1_1 == ((unsigned short int) (((((var_1_2) > (var_1_3)) ? (var_1_2) : (var_1_3))) - var_1_4))) && ((var_1_4 > var_1_2) ? (var_1_5 == ((unsigned long int) (((var_1_6 - var_1_3) + 2144048120u) - var_1_2))) : 1)) && (var_1_7 == ((double) (var_1_8 + (var_1_9 + (var_1_10 + var_1_11)))))) && ((! var_1_13) ? (var_1_12 == ((unsigned short int) (var_1_3 - (var_1_14 - var_1_15)))) : (var_1_13 ? (var_1_12 == ((unsigned short int) ((27636 + var_1_16) - (((((16853 - 10)) > (var_1_14)) ? ((16853 - 10)) : (var_1_14)))))) : (var_1_12 == ((unsigned short int) var_1_3)))) ; [L104] RET, EXPR property() [L104] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1771558828, var_1_11=1771558829, var_1_12=27177, var_1_13=1, var_1_14=16843, var_1_15=11252, var_1_16=16384, var_1_1=1, var_1_2=32767, var_1_3=32768, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_8=1771558827, var_1_9=1771558830] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1771558828, var_1_11=1771558829, var_1_12=27177, var_1_13=1, var_1_14=16843, var_1_15=11252, var_1_16=16384, var_1_1=1, var_1_2=32767, var_1_3=32768, var_1_4=32767, var_1_5=16, var_1_6=2147483647, var_1_8=1771558827, var_1_9=1771558830] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 20, 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=41occurred 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, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 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 22:22:44,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf397246-2d2b-407e-9cc0-fe011a8e142e/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_bf397246-2d2b-407e-9cc0-fe011a8e142e/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf397246-2d2b-407e-9cc0-fe011a8e142e/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_bf397246-2d2b-407e-9cc0-fe011a8e142e/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf397246-2d2b-407e-9cc0-fe011a8e142e/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-38.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf397246-2d2b-407e-9cc0-fe011a8e142e/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_bf397246-2d2b-407e-9cc0-fe011a8e142e/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 8ecb8a86c5100f100392f33b5049e59f5466347bbc0a9c9e82d59cb07a715797 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:22:47,955 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:22:48,093 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf397246-2d2b-407e-9cc0-fe011a8e142e/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 22:22:48,104 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:22:48,105 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:22:48,154 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:22:48,155 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:22:48,155 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:22:48,157 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:22:48,162 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:22:48,163 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:22:48,163 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:22:48,164 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:22:48,166 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:22:48,167 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:22:48,168 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:22:48,169 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:22:48,170 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:22:48,170 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:22:48,172 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:22:48,172 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:22:48,173 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:22:48,173 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:22:48,174 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:22:48,175 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:22:48,175 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:22:48,176 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:22:48,176 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:22:48,177 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:22:48,177 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:22:48,179 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:22:48,179 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:22:48,180 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:22:48,180 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:22:48,180 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:22:48,181 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:22:48,182 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:22:48,182 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:22:48,183 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:22:48,183 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:22:48,183 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:22:48,184 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:22:48,184 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:22:48,184 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:22:48,185 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:22:48,185 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_bf397246-2d2b-407e-9cc0-fe011a8e142e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf397246-2d2b-407e-9cc0-fe011a8e142e/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ecb8a86c5100f100392f33b5049e59f5466347bbc0a9c9e82d59cb07a715797 [2023-11-21 22:22:48,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:22:48,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:22:48,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:22:48,698 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:22:48,698 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:22:48,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf397246-2d2b-407e-9cc0-fe011a8e142e/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-38.i [2023-11-21 22:22:51,869 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:22:52,201 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:22:52,202 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf397246-2d2b-407e-9cc0-fe011a8e142e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-38.i [2023-11-21 22:22:52,212 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf397246-2d2b-407e-9cc0-fe011a8e142e/bin/uautomizer-verify-bycVGegfSx/data/f1ea632c5/d7034501c28a4284bdb2d3ff757e388b/FLAG0c67464bb [2023-11-21 22:22:52,227 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf397246-2d2b-407e-9cc0-fe011a8e142e/bin/uautomizer-verify-bycVGegfSx/data/f1ea632c5/d7034501c28a4284bdb2d3ff757e388b [2023-11-21 22:22:52,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:22:52,232 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:22:52,233 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:22:52,233 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:22:52,239 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:22:52,240 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:22:52" (1/1) ... [2023-11-21 22:22:52,241 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@464c782d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:52, skipping insertion in model container [2023-11-21 22:22:52,241 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:22:52" (1/1) ... [2023-11-21 22:22:52,269 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:22:52,439 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_bf397246-2d2b-407e-9cc0-fe011a8e142e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-38.i[915,928] [2023-11-21 22:22:52,505 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:22:52,534 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:22:52,547 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_bf397246-2d2b-407e-9cc0-fe011a8e142e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-38.i[915,928] [2023-11-21 22:22:52,571 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:22:52,590 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:22:52,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:52 WrapperNode [2023-11-21 22:22:52,591 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:22:52,592 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:22:52,592 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:22:52,592 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:22:52,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:52" (1/1) ... [2023-11-21 22:22:52,621 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:52" (1/1) ... [2023-11-21 22:22:52,651 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2023-11-21 22:22:52,652 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:22:52,652 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:22:52,653 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:22:52,653 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:22:52,665 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:52" (1/1) ... [2023-11-21 22:22:52,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:52" (1/1) ... [2023-11-21 22:22:52,670 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:52" (1/1) ... [2023-11-21 22:22:52,680 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:22:52,681 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:52" (1/1) ... [2023-11-21 22:22:52,681 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:52" (1/1) ... [2023-11-21 22:22:52,692 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:52" (1/1) ... [2023-11-21 22:22:52,698 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:52" (1/1) ... [2023-11-21 22:22:52,704 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:52" (1/1) ... [2023-11-21 22:22:52,712 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:52" (1/1) ... [2023-11-21 22:22:52,717 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:22:52,724 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:22:52,724 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:22:52,725 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:22:52,726 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:52" (1/1) ... [2023-11-21 22:22:52,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:22:52,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf397246-2d2b-407e-9cc0-fe011a8e142e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:22:52,765 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf397246-2d2b-407e-9cc0-fe011a8e142e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:22:52,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf397246-2d2b-407e-9cc0-fe011a8e142e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:22:52,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:22:52,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 22:22:52,815 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:22:52,815 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:22:52,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:22:52,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:22:52,928 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:22:52,931 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:22:55,591 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:22:55,824 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:22:55,824 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:22:55,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:22:55 BoogieIcfgContainer [2023-11-21 22:22:55,826 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:22:55,846 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:22:55,846 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:22:55,851 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:22:55,852 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:22:52" (1/3) ... [2023-11-21 22:22:55,853 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@447bb3c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:22:55, skipping insertion in model container [2023-11-21 22:22:55,853 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:22:52" (2/3) ... [2023-11-21 22:22:55,856 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@447bb3c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:22:55, skipping insertion in model container [2023-11-21 22:22:55,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:22:55" (3/3) ... [2023-11-21 22:22:55,862 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-38.i [2023-11-21 22:22:55,888 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:22:55,889 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:22:55,960 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:22:55,967 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;@99310e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:22:55,968 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:22:55,972 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-21 22:22:55,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-21 22:22:55,985 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:22:55,986 INFO L195 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:22:55,987 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:22:55,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:22:55,994 INFO L85 PathProgramCache]: Analyzing trace with hash -993539269, now seen corresponding path program 1 times [2023-11-21 22:22:56,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:22:56,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [21943436] [2023-11-21 22:22:56,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:22:56,012 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 22:22:56,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf397246-2d2b-407e-9cc0-fe011a8e142e/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:22:56,016 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf397246-2d2b-407e-9cc0-fe011a8e142e/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 22:22:56,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf397246-2d2b-407e-9cc0-fe011a8e142e/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 22:22:56,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:22:56,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-21 22:22:56,781 INFO L285 TraceCheckSpWp]: Computing forward predicates...