./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-12.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/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_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/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_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/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 41218f936bf95b34a4ca651f02a06980e6dee4f66c0a1bb8aa6f08c1f62da5e8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:26:46,748 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:26:46,881 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:26:46,890 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:26:46,891 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:26:46,931 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:26:46,932 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:26:46,933 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:26:46,934 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:26:46,939 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:26:46,939 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:26:46,940 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:26:46,941 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:26:46,943 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:26:46,943 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:26:46,944 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:26:46,944 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:26:46,944 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:26:46,945 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:26:46,945 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:26:46,946 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:26:46,946 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:26:46,947 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:26:46,947 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:26:46,948 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:26:46,948 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:26:46,949 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:26:46,949 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:26:46,950 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:26:46,950 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:26:46,952 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:26:46,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:26:46,953 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:26:46,953 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:26:46,953 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:26:46,953 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:26:46,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:26:46,954 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:26:46,954 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:26:46,954 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:26:46,955 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:26:46,955 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:26:46,955 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_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41218f936bf95b34a4ca651f02a06980e6dee4f66c0a1bb8aa6f08c1f62da5e8 [2023-11-21 22:26:47,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:26:47,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:26:47,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:26:47,354 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:26:47,354 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:26:47,356 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-12.i [2023-11-21 22:26:50,653 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:26:50,919 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:26:50,919 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-12.i [2023-11-21 22:26:50,931 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/bin/uautomizer-verify-bycVGegfSx/data/7e25a3d2d/b73ecd779bb04f139c32162b858c0654/FLAG21899f9cb [2023-11-21 22:26:50,949 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/bin/uautomizer-verify-bycVGegfSx/data/7e25a3d2d/b73ecd779bb04f139c32162b858c0654 [2023-11-21 22:26:50,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:26:50,954 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:26:50,956 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:26:50,956 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:26:50,962 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:26:50,963 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:26:50" (1/1) ... [2023-11-21 22:26:50,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@135a89d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:50, skipping insertion in model container [2023-11-21 22:26:50,965 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:26:50" (1/1) ... [2023-11-21 22:26:51,001 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:26:51,168 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_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-12.i[915,928] [2023-11-21 22:26:51,249 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:26:51,267 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:26:51,279 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_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-12.i[915,928] [2023-11-21 22:26:51,318 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:26:51,338 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:26:51,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:51 WrapperNode [2023-11-21 22:26:51,339 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:26:51,341 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:26:51,341 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:26:51,341 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:26:51,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:51" (1/1) ... [2023-11-21 22:26:51,363 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:51" (1/1) ... [2023-11-21 22:26:51,430 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 149 [2023-11-21 22:26:51,434 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:26:51,435 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:26:51,435 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:26:51,435 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:26:51,446 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:51" (1/1) ... [2023-11-21 22:26:51,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:51" (1/1) ... [2023-11-21 22:26:51,450 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:51" (1/1) ... [2023-11-21 22:26:51,474 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:26:51,474 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:51" (1/1) ... [2023-11-21 22:26:51,475 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:51" (1/1) ... [2023-11-21 22:26:51,501 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:51" (1/1) ... [2023-11-21 22:26:51,505 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:51" (1/1) ... [2023-11-21 22:26:51,508 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:51" (1/1) ... [2023-11-21 22:26:51,511 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:51" (1/1) ... [2023-11-21 22:26:51,525 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:26:51,526 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:26:51,526 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:26:51,527 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:26:51,528 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:51" (1/1) ... [2023-11-21 22:26:51,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:26:51,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:26:51,567 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:26:51,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:26:51,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:26:51,624 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:26:51,625 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:26:51,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:26:51,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:26:51,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:26:51,763 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:26:51,766 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:26:52,228 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:26:52,473 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:26:52,473 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:26:52,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:26:52 BoogieIcfgContainer [2023-11-21 22:26:52,476 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:26:52,479 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:26:52,479 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:26:52,482 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:26:52,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:26:50" (1/3) ... [2023-11-21 22:26:52,484 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@796d82df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:26:52, skipping insertion in model container [2023-11-21 22:26:52,485 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:26:51" (2/3) ... [2023-11-21 22:26:52,487 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@796d82df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:26:52, skipping insertion in model container [2023-11-21 22:26:52,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:26:52" (3/3) ... [2023-11-21 22:26:52,489 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-12.i [2023-11-21 22:26:52,512 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:26:52,512 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:26:52,591 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:26:52,601 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;@226e6091, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:26:52,601 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:26:52,606 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-21 22:26:52,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-21 22:26:52,619 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:26:52,620 INFO L195 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:26:52,621 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:26:52,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:26:52,628 INFO L85 PathProgramCache]: Analyzing trace with hash 629501520, now seen corresponding path program 1 times [2023-11-21 22:26:52,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:26:52,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680503055] [2023-11-21 22:26:52,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:26:52,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:26:52,893 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:26:52,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [575329022] [2023-11-21 22:26:52,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:26:52,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:26:52,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:26:52,897 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:26:52,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 22:26:53,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:26:53,323 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:26:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:26:53,569 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:26:53,572 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:26:53,573 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:26:53,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-21 22:26:53,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-21 22:26:53,787 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:26:53,791 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:26:53,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:26:53 BoogieIcfgContainer [2023-11-21 22:26:53,892 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:26:53,892 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:26:53,893 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:26:53,893 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:26:53,894 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:26:52" (3/4) ... [2023-11-21 22:26:53,896 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:26:53,897 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:26:53,899 INFO L158 Benchmark]: Toolchain (without parser) took 2944.58ms. Allocated memory is still 197.1MB. Free memory was 157.8MB in the beginning and 139.9MB in the end (delta: 17.9MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2023-11-21 22:26:53,899 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 197.1MB. Free memory is still 169.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:26:53,900 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.88ms. Allocated memory is still 197.1MB. Free memory was 157.4MB in the beginning and 143.5MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 22:26:53,902 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.48ms. Allocated memory is still 197.1MB. Free memory was 143.5MB in the beginning and 139.8MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:26:53,906 INFO L158 Benchmark]: Boogie Preprocessor took 90.75ms. Allocated memory is still 197.1MB. Free memory was 139.8MB in the beginning and 133.9MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 22:26:53,909 INFO L158 Benchmark]: RCFGBuilder took 949.52ms. Allocated memory is still 197.1MB. Free memory was 133.9MB in the beginning and 89.0MB in the end (delta: 44.9MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-21 22:26:53,910 INFO L158 Benchmark]: TraceAbstraction took 1413.04ms. Allocated memory is still 197.1MB. Free memory was 88.2MB in the beginning and 139.9MB in the end (delta: -51.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:26:53,911 INFO L158 Benchmark]: Witness Printer took 5.38ms. Allocated memory is still 197.1MB. Free memory is still 139.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:26:53,917 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 197.1MB. Free memory is still 169.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 383.88ms. Allocated memory is still 197.1MB. Free memory was 157.4MB in the beginning and 143.5MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.48ms. Allocated memory is still 197.1MB. Free memory was 143.5MB in the beginning and 139.8MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.75ms. Allocated memory is still 197.1MB. Free memory was 139.8MB in the beginning and 133.9MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 949.52ms. Allocated memory is still 197.1MB. Free memory was 133.9MB in the beginning and 89.0MB in the end (delta: 44.9MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1413.04ms. Allocated memory is still 197.1MB. Free memory was 88.2MB in the beginning and 139.9MB in the end (delta: -51.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.38ms. Allocated memory is still 197.1MB. Free memory is still 139.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 78, overapproximation of someUnaryDOUBLEoperation at line 35, overapproximation of someBinaryArithmeticDOUBLEoperation at line 85, overapproximation of someBinaryDOUBLEComparisonOperation at line 132. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 5; [L23] unsigned char var_1_5 = 128; [L24] unsigned char var_1_6 = 10; [L25] unsigned char var_1_7 = 0; [L26] signed long int var_1_8 = 128; [L27] signed long int var_1_9 = 1967984875; [L28] float var_1_10 = 256.625; [L29] float var_1_11 = 24.5; [L30] float var_1_12 = 999999.25; [L31] unsigned char var_1_13 = 1; [L32] unsigned char var_1_14 = 0; [L33] double var_1_15 = 127.3; [L34] float var_1_16 = 15.8; [L35] double var_1_17 = -0.4; [L36] unsigned long int var_1_18 = 8; [L37] unsigned long int var_1_19 = 2366774301; [L38] unsigned char var_1_20 = 0; [L39] signed short int var_1_21 = 5; [L40] signed char var_1_22 = 0; [L41] signed char var_1_23 = 2; [L42] unsigned char last_1_var_1_1 = 5; [L43] unsigned long int last_1_var_1_18 = 8; [L44] signed char last_1_var_1_22 = 0; [L136] isInitial = 1 [L137] FCALL initially() [L138] COND TRUE 1 [L139] CALL updateLastVariables() [L127] last_1_var_1_1 = var_1_1 [L128] last_1_var_1_18 = var_1_18 [L129] last_1_var_1_22 = var_1_22 [L139] RET updateLastVariables() [L140] CALL updateVariables() [L89] var_1_5 = __VERIFIER_nondet_uchar() [L90] CALL assume_abort_if_not(var_1_5 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=10, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_5 >= 127) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=10, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L91] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=10, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=10, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L92] var_1_6 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=2, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=2, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L94] CALL assume_abort_if_not(var_1_6 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=2, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_6 <= 64) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=2, var_1_7=0, var_1_8=128, var_1_9=1967984875] [L95] var_1_7 = __VERIFIER_nondet_uchar() [L96] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=128, var_1_9=1967984875] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=128, var_1_9=1967984875] [L97] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=128, var_1_9=1967984875] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=128, var_1_9=1967984875] [L98] var_1_9 = __VERIFIER_nondet_long() [L99] CALL assume_abort_if_not(var_1_9 >= 1073741822) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_9 >= 1073741822) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L100] CALL assume_abort_if_not(var_1_9 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_9 <= 2147483646) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=49/2, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L101] var_1_11 = __VERIFIER_nondet_float() [L102] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=3999997/4, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L103] var_1_12 = __VERIFIER_nondet_float() [L104] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=1, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L105] var_1_13 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L107] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L108] var_1_14 = __VERIFIER_nondet_uchar() [L109] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L110] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=79/5, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L111] var_1_16 = __VERIFIER_nondet_float() [L112] CALL assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L113] CALL assume_abort_if_not(var_1_16 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_16 != 0.0F) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L114] var_1_17 = __VERIFIER_nondet_double() [L115] CALL assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=8, var_1_19=2366774301, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L116] var_1_19 = __VERIFIER_nondet_ulong() [L117] CALL assume_abort_if_not(var_1_19 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=8, var_1_19=4294967232, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_19 >= 2147483647) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=8, var_1_19=4294967232, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L118] CALL assume_abort_if_not(var_1_19 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=8, var_1_19=4294967232, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_19 <= 4294967294) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=8, var_1_19=4294967232, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L119] var_1_20 = __VERIFIER_nondet_uchar() [L120] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=8, var_1_19=4294967232, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=8, var_1_19=4294967232, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L121] CALL assume_abort_if_not(var_1_20 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=8, var_1_19=4294967232, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_20 <= 1) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=8, var_1_19=4294967232, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=2, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L122] var_1_23 = __VERIFIER_nondet_char() [L123] CALL assume_abort_if_not(var_1_23 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=8, var_1_19=4294967232, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=-63, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_23 >= -63) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=8, var_1_19=4294967232, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=-63, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L124] CALL assume_abort_if_not(var_1_23 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=8, var_1_19=4294967232, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=-63, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_23 <= 63) VAL [isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=2053/8, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=8, var_1_19=4294967232, var_1_1=5, var_1_20=0, var_1_21=5, var_1_22=0, var_1_23=-63, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=128, var_1_9=2147483646] [L140] RET updateVariables() [L141] CALL step() [L48] unsigned char stepLocal_2 = var_1_9 >= last_1_var_1_22; [L49] signed long int stepLocal_1 = last_1_var_1_1; [L50] COND FALSE !(stepLocal_1 > last_1_var_1_18) [L53] COND TRUE var_1_20 || stepLocal_2 [L54] var_1_18 = var_1_6 [L59] COND TRUE last_1_var_1_1 > (var_1_18 * var_1_18) [L60] var_1_1 = (var_1_5 - (var_1_6 + var_1_7)) [L64] var_1_21 = ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7))) [L65] unsigned char stepLocal_0 = var_1_6; [L66] COND TRUE (- var_1_18) > stepLocal_0 [L67] var_1_8 = ((var_1_9 - var_1_21) - var_1_5) [L69] signed long int stepLocal_3 = var_1_8; [L70] COND FALSE !(var_1_18 == stepLocal_3) [L77] COND TRUE var_1_8 != ((((var_1_6) < (var_1_5)) ? (var_1_6) : (var_1_5))) [L78] var_1_10 = ((((var_1_11) > (var_1_12)) ? (var_1_11) : (var_1_12))) [L84] COND FALSE !((var_1_12 / var_1_16) >= var_1_10) [L141] RET step() [L142] CALL, EXPR property() [L132-L133] return (((((((last_1_var_1_1 > (var_1_18 * var_1_18)) ? (var_1_1 == ((unsigned char) (var_1_5 - (var_1_6 + var_1_7)))) : (var_1_1 == ((unsigned char) ((((var_1_7) < ((((((16) < 0 ) ? -(16) : (16))) + var_1_6))) ? (var_1_7) : ((((((16) < 0 ) ? -(16) : (16))) + var_1_6))))))) && (((- var_1_18) > var_1_6) ? (var_1_8 == ((signed long int) ((var_1_9 - var_1_21) - var_1_5))) : 1)) && ((var_1_8 != ((((var_1_6) < (var_1_5)) ? (var_1_6) : (var_1_5)))) ? (var_1_10 == ((float) ((((var_1_11) > (var_1_12)) ? (var_1_11) : (var_1_12))))) : ((var_1_13 || var_1_14) ? (var_1_10 == ((float) var_1_11)) : 1))) && (((var_1_12 / var_1_16) >= var_1_10) ? (var_1_15 == ((double) (var_1_17 + 255.5))) : 1)) && ((last_1_var_1_1 > last_1_var_1_18) ? (var_1_18 == ((unsigned long int) ((((var_1_9) < ((var_1_19 - var_1_6))) ? (var_1_9) : ((var_1_19 - var_1_6)))))) : ((var_1_20 || (var_1_9 >= last_1_var_1_22)) ? (var_1_18 == ((unsigned long int) var_1_6)) : (var_1_18 == ((unsigned long int) var_1_7))))) && (var_1_21 == ((signed short int) ((((var_1_7) < 0 ) ? -(var_1_7) : (var_1_7)))))) && ((var_1_18 == var_1_8) ? ((! var_1_20) ? (var_1_22 == ((signed char) ((((var_1_6) > ((5 - var_1_7))) ? (var_1_6) : ((5 - var_1_7)))))) : (var_1_22 == ((signed char) (var_1_7 + var_1_23)))) : 1) ; [L142] RET, EXPR property() [L142] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=5, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=2, var_1_19=4294967232, var_1_1=189, var_1_20=0, var_1_21=63, var_1_22=0, var_1_23=-63, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=2147483329, var_1_9=2147483646] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=8, last_1_var_1_1=5, last_1_var_1_22=0, var_1_10=5, var_1_11=5, var_1_12=2, var_1_13=0, var_1_14=0, var_1_15=1273/10, var_1_16=3, var_1_17=4, var_1_18=2, var_1_19=4294967232, var_1_1=189, var_1_20=0, var_1_21=63, var_1_22=0, var_1_23=-63, var_1_5=254, var_1_6=2, var_1_7=63, var_1_8=2147483329, var_1_9=2147483646] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 23, 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=45occurred 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: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 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 22:26:53,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/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_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/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_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/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 41218f936bf95b34a4ca651f02a06980e6dee4f66c0a1bb8aa6f08c1f62da5e8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:26:56,583 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:26:56,703 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 22:26:56,713 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:26:56,714 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:26:56,759 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:26:56,760 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:26:56,761 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:26:56,762 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:26:56,767 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:26:56,767 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:26:56,768 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:26:56,768 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:26:56,770 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:26:56,770 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:26:56,771 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:26:56,772 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:26:56,772 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:26:56,773 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:26:56,773 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:26:56,773 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:26:56,774 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:26:56,774 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:26:56,775 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:26:56,775 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:26:56,776 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:26:56,776 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:26:56,776 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:26:56,777 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:26:56,777 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:26:56,781 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:26:56,781 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:26:56,781 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:26:56,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:26:56,782 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:26:56,782 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:26:56,783 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:26:56,783 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:26:56,784 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:26:56,784 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:26:56,784 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:26:56,785 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:26:56,785 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:26:56,785 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:26:56,785 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:26:56,786 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_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 41218f936bf95b34a4ca651f02a06980e6dee4f66c0a1bb8aa6f08c1f62da5e8 [2023-11-21 22:26:57,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:26:57,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:26:57,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:26:57,210 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:26:57,211 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:26:57,212 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-12.i [2023-11-21 22:27:00,243 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:27:00,552 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:27:00,553 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-12.i [2023-11-21 22:27:00,572 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/bin/uautomizer-verify-bycVGegfSx/data/79f10fc96/bfd612c6de514eef9fb43098cc95d951/FLAG0e6e22547 [2023-11-21 22:27:00,588 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/bin/uautomizer-verify-bycVGegfSx/data/79f10fc96/bfd612c6de514eef9fb43098cc95d951 [2023-11-21 22:27:00,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:27:00,592 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:27:00,593 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:27:00,593 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:27:00,599 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:27:00,600 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:27:00" (1/1) ... [2023-11-21 22:27:00,601 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e84352a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:00, skipping insertion in model container [2023-11-21 22:27:00,601 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:27:00" (1/1) ... [2023-11-21 22:27:00,659 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:27:00,808 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_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-12.i[915,928] [2023-11-21 22:27:00,877 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:27:00,895 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:27:00,911 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_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-12.i[915,928] [2023-11-21 22:27:00,945 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:27:00,966 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:27:00,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:00 WrapperNode [2023-11-21 22:27:00,966 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:27:00,970 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:27:00,970 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:27:00,970 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:27:00,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:00" (1/1) ... [2023-11-21 22:27:00,994 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:00" (1/1) ... [2023-11-21 22:27:01,029 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 147 [2023-11-21 22:27:01,029 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:27:01,030 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:27:01,030 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:27:01,030 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:27:01,043 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:00" (1/1) ... [2023-11-21 22:27:01,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:00" (1/1) ... [2023-11-21 22:27:01,049 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:00" (1/1) ... [2023-11-21 22:27:01,060 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:27:01,060 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:00" (1/1) ... [2023-11-21 22:27:01,060 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:00" (1/1) ... [2023-11-21 22:27:01,082 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:00" (1/1) ... [2023-11-21 22:27:01,087 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:00" (1/1) ... [2023-11-21 22:27:01,116 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:00" (1/1) ... [2023-11-21 22:27:01,118 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:00" (1/1) ... [2023-11-21 22:27:01,123 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:27:01,124 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:27:01,124 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:27:01,124 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:27:01,125 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:00" (1/1) ... [2023-11-21 22:27:01,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:27:01,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:27:01,204 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:27:01,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:27:01,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:27:01,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 22:27:01,252 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:27:01,252 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:27:01,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:27:01,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:27:01,396 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:27:01,410 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:27:05,874 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:27:06,145 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:27:06,146 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:27:06,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:27:06 BoogieIcfgContainer [2023-11-21 22:27:06,148 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:27:06,151 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:27:06,152 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:27:06,156 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:27:06,156 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:27:00" (1/3) ... [2023-11-21 22:27:06,157 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34cebc8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:27:06, skipping insertion in model container [2023-11-21 22:27:06,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:27:00" (2/3) ... [2023-11-21 22:27:06,158 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34cebc8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:27:06, skipping insertion in model container [2023-11-21 22:27:06,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:27:06" (3/3) ... [2023-11-21 22:27:06,160 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-12.i [2023-11-21 22:27:06,183 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:27:06,184 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:27:06,239 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:27:06,247 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;@19907947, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:27:06,248 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:27:06,252 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-21 22:27:06,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-21 22:27:06,263 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:27:06,264 INFO L195 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:27:06,265 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:27:06,270 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:27:06,270 INFO L85 PathProgramCache]: Analyzing trace with hash 629501520, now seen corresponding path program 1 times [2023-11-21 22:27:06,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:27:06,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [99728870] [2023-11-21 22:27:06,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:27:06,285 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 22:27:06,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:27:06,286 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/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 22:27:06,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aaf650fd-9062-41e1-9aa3-e6a77a61c66e/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 22:27:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:27:06,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-21 22:27:06,933 INFO L285 TraceCheckSpWp]: Computing forward predicates...