./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-59.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU --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 a2e7bc86c416f082f6cbd3468de78760603e8d7fefbcdca8dd6e4ac6b460db48 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:55:24,183 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:55:24,294 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 21:55:24,301 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:55:24,302 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:55:24,362 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:55:24,363 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:55:24,363 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:55:24,364 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:55:24,365 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:55:24,365 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:55:24,365 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:55:24,366 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:55:24,367 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:55:24,367 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:55:24,367 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:55:24,370 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:55:24,373 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:55:24,374 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:55:24,374 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:55:24,375 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:55:24,375 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:55:24,375 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:55:24,376 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:55:24,376 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:55:24,376 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:55:24,377 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:55:24,377 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:55:24,377 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:55:24,378 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:55:24,378 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:55:24,378 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:55:24,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:55:24,382 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:55:24,383 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:55:24,383 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:55:24,383 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:55:24,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:55:24,384 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:55:24,384 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:55:24,384 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:55:24,385 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:55:24,385 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_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2e7bc86c416f082f6cbd3468de78760603e8d7fefbcdca8dd6e4ac6b460db48 [2024-10-31 21:55:24,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:55:24,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:55:24,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:55:24,754 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:55:24,758 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:55:24,760 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-59.i Unable to find full path for "g++" [2024-10-31 21:55:26,673 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:55:26,893 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:55:26,894 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-59.i [2024-10-31 21:55:26,910 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/data/a56fa5b8d/b3e0df408e1f4049a000d24d190b2905/FLAGc30ec8b56 [2024-10-31 21:55:27,265 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/data/a56fa5b8d/b3e0df408e1f4049a000d24d190b2905 [2024-10-31 21:55:27,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:55:27,269 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:55:27,271 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:55:27,272 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:55:27,293 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:55:27,294 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:55:27" (1/1) ... [2024-10-31 21:55:27,295 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ae4a7a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:27, skipping insertion in model container [2024-10-31 21:55:27,296 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:55:27" (1/1) ... [2024-10-31 21:55:27,332 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:55:27,540 WARN L251 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_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-59.i[915,928] [2024-10-31 21:55:27,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:55:27,606 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:55:27,618 WARN L251 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_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-59.i[915,928] [2024-10-31 21:55:27,650 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:55:27,670 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:55:27,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:27 WrapperNode [2024-10-31 21:55:27,670 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:55:27,672 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:55:27,672 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:55:27,672 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:55:27,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:27" (1/1) ... [2024-10-31 21:55:27,687 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:27" (1/1) ... [2024-10-31 21:55:27,716 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 135 [2024-10-31 21:55:27,717 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:55:27,717 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:55:27,718 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:55:27,718 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:55:27,738 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:27" (1/1) ... [2024-10-31 21:55:27,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:27" (1/1) ... [2024-10-31 21:55:27,740 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:27" (1/1) ... [2024-10-31 21:55:27,754 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 21:55:27,755 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:27" (1/1) ... [2024-10-31 21:55:27,755 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:27" (1/1) ... [2024-10-31 21:55:27,762 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:27" (1/1) ... [2024-10-31 21:55:27,765 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:27" (1/1) ... [2024-10-31 21:55:27,767 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:27" (1/1) ... [2024-10-31 21:55:27,768 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:27" (1/1) ... [2024-10-31 21:55:27,771 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:55:27,772 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:55:27,772 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:55:27,773 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:55:27,773 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:27" (1/1) ... [2024-10-31 21:55:27,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:55:27,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:55:27,816 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:55:27,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:55:27,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:55:27,853 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 21:55:27,854 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 21:55:27,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 21:55:27,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:55:27,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:55:27,949 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:55:27,953 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:55:28,285 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-31 21:55:28,285 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:55:28,300 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:55:28,300 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 21:55:28,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:55:28 BoogieIcfgContainer [2024-10-31 21:55:28,301 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:55:28,303 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:55:28,303 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:55:28,307 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:55:28,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:55:27" (1/3) ... [2024-10-31 21:55:28,308 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ed46579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:55:28, skipping insertion in model container [2024-10-31 21:55:28,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:27" (2/3) ... [2024-10-31 21:55:28,309 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ed46579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:55:28, skipping insertion in model container [2024-10-31 21:55:28,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:55:28" (3/3) ... [2024-10-31 21:55:28,311 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-59.i [2024-10-31 21:55:28,333 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:55:28,333 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 21:55:28,398 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:55:28,404 INFO L333 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, 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;@4bdd9e05, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:55:28,404 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 21:55:28,408 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 37 states have internal predecessors, (46), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-31 21:55:28,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-10-31 21:55:28,421 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:55:28,422 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:55:28,423 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:55:28,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:55:28,429 INFO L85 PathProgramCache]: Analyzing trace with hash 2068994391, now seen corresponding path program 1 times [2024-10-31 21:55:28,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:55:28,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904303589] [2024-10-31 21:55:28,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:55:28,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:55:28,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:28,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 21:55:28,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:28,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 21:55:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:28,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 21:55:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:28,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 21:55:28,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:28,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 21:55:28,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:28,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 21:55:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:28,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 21:55:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:28,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 21:55:28,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:28,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 21:55:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:28,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 21:55:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:28,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 21:55:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:28,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-31 21:55:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:28,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-31 21:55:28,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:28,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-31 21:55:28,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:28,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-31 21:55:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:28,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-31 21:55:28,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:28,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-31 21:55:28,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:28,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-31 21:55:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:28,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-31 21:55:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:28,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-31 21:55:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:28,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-31 21:55:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:28,949 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-10-31 21:55:28,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:55:28,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904303589] [2024-10-31 21:55:28,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904303589] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:55:28,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:55:28,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:55:28,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850156407] [2024-10-31 21:55:28,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:55:28,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 21:55:28,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:55:28,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 21:55:28,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 21:55:29,001 INFO L87 Difference]: Start difference. First operand has 60 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 37 states have internal predecessors, (46), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-10-31 21:55:29,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:55:29,040 INFO L93 Difference]: Finished difference Result 113 states and 191 transitions. [2024-10-31 21:55:29,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 21:55:29,042 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 132 [2024-10-31 21:55:29,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:55:29,056 INFO L225 Difference]: With dead ends: 113 [2024-10-31 21:55:29,057 INFO L226 Difference]: Without dead ends: 56 [2024-10-31 21:55:29,062 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 21:55:29,067 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 21:55:29,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:55:29,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-10-31 21:55:29,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-10-31 21:55:29,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 33 states have internal predecessors, (38), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-31 21:55:29,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 80 transitions. [2024-10-31 21:55:29,127 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 80 transitions. Word has length 132 [2024-10-31 21:55:29,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:55:29,128 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 80 transitions. [2024-10-31 21:55:29,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-10-31 21:55:29,129 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 80 transitions. [2024-10-31 21:55:29,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-10-31 21:55:29,133 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:55:29,133 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:55:29,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 21:55:29,134 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:55:29,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:55:29,135 INFO L85 PathProgramCache]: Analyzing trace with hash -557139255, now seen corresponding path program 1 times [2024-10-31 21:55:29,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:55:29,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448494715] [2024-10-31 21:55:29,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:55:29,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:55:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 21:55:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 21:55:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 21:55:29,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 21:55:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 21:55:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 21:55:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 21:55:29,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 21:55:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 21:55:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 21:55:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 21:55:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-31 21:55:29,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-31 21:55:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-31 21:55:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-31 21:55:29,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-31 21:55:29,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-31 21:55:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-31 21:55:29,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-31 21:55:29,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-31 21:55:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-31 21:55:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:29,755 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-10-31 21:55:29,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:55:29,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448494715] [2024-10-31 21:55:29,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448494715] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:55:29,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:55:29,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:55:29,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62242880] [2024-10-31 21:55:29,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:55:29,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:55:29,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:55:29,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:55:29,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:55:29,764 INFO L87 Difference]: Start difference. First operand 56 states and 80 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-10-31 21:55:29,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:55:29,820 INFO L93 Difference]: Finished difference Result 109 states and 157 transitions. [2024-10-31 21:55:29,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:55:29,822 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 132 [2024-10-31 21:55:29,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:55:29,825 INFO L225 Difference]: With dead ends: 109 [2024-10-31 21:55:29,826 INFO L226 Difference]: Without dead ends: 56 [2024-10-31 21:55:29,827 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:55:29,830 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 0 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 21:55:29,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 149 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:55:29,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-10-31 21:55:29,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-10-31 21:55:29,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 33 states have (on average 1.121212121212121) internal successors, (37), 33 states have internal predecessors, (37), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-31 21:55:29,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 79 transitions. [2024-10-31 21:55:29,848 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 79 transitions. Word has length 132 [2024-10-31 21:55:29,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:55:29,850 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 79 transitions. [2024-10-31 21:55:29,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-10-31 21:55:29,851 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 79 transitions. [2024-10-31 21:55:29,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-10-31 21:55:29,856 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:55:29,856 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:55:29,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 21:55:29,856 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:55:29,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:55:29,858 INFO L85 PathProgramCache]: Analyzing trace with hash -327008013, now seen corresponding path program 1 times [2024-10-31 21:55:29,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:55:29,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428363418] [2024-10-31 21:55:29,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:55:29,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:55:30,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:55:30,050 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:55:30,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:55:30,208 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:55:30,208 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 21:55:30,210 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 21:55:30,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 21:55:30,216 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-31 21:55:30,337 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 21:55:30,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 09:55:30 BoogieIcfgContainer [2024-10-31 21:55:30,341 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 21:55:30,342 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 21:55:30,342 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 21:55:30,342 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 21:55:30,343 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:55:28" (3/4) ... [2024-10-31 21:55:30,346 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 21:55:30,347 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 21:55:30,348 INFO L158 Benchmark]: Toolchain (without parser) took 3078.68ms. Allocated memory was 121.6MB in the beginning and 182.5MB in the end (delta: 60.8MB). Free memory was 59.3MB in the beginning and 85.6MB in the end (delta: -26.3MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2024-10-31 21:55:30,348 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 121.6MB. Free memory is still 95.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:55:30,349 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.61ms. Allocated memory was 121.6MB in the beginning and 182.5MB in the end (delta: 60.8MB). Free memory was 59.1MB in the beginning and 144.1MB in the end (delta: -85.0MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2024-10-31 21:55:30,350 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.19ms. Allocated memory is still 182.5MB. Free memory was 144.1MB in the beginning and 142.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 21:55:30,350 INFO L158 Benchmark]: Boogie Preprocessor took 54.00ms. Allocated memory is still 182.5MB. Free memory was 142.0MB in the beginning and 139.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 21:55:30,351 INFO L158 Benchmark]: RCFGBuilder took 528.97ms. Allocated memory is still 182.5MB. Free memory was 139.1MB in the beginning and 145.7MB in the end (delta: -6.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 21:55:30,351 INFO L158 Benchmark]: TraceAbstraction took 2037.81ms. Allocated memory is still 182.5MB. Free memory was 144.7MB in the beginning and 85.6MB in the end (delta: 59.1MB). Peak memory consumption was 61.0MB. Max. memory is 16.1GB. [2024-10-31 21:55:30,352 INFO L158 Benchmark]: Witness Printer took 5.67ms. Allocated memory is still 182.5MB. Free memory is still 85.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:55:30,358 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 121.6MB. Free memory is still 95.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.61ms. Allocated memory was 121.6MB in the beginning and 182.5MB in the end (delta: 60.8MB). Free memory was 59.1MB in the beginning and 144.1MB in the end (delta: -85.0MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.19ms. Allocated memory is still 182.5MB. Free memory was 144.1MB in the beginning and 142.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.00ms. Allocated memory is still 182.5MB. Free memory was 142.0MB in the beginning and 139.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 528.97ms. Allocated memory is still 182.5MB. Free memory was 139.1MB in the beginning and 145.7MB in the end (delta: -6.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2037.81ms. Allocated memory is still 182.5MB. Free memory was 144.7MB in the beginning and 85.6MB in the end (delta: 59.1MB). Peak memory consumption was 61.0MB. Max. memory is 16.1GB. * Witness Printer took 5.67ms. Allocated memory is still 182.5MB. Free memory is still 85.6MB. 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 111, overapproximation of someBinaryFLOATComparisonOperation at line 111, overapproximation of someBinaryArithmeticFLOAToperation at line 61. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -128; [L23] signed long int var_1_4 = -32; [L24] signed long int var_1_5 = 10; [L25] signed long int var_1_6 = -1; [L26] unsigned long int var_1_7 = 25; [L27] unsigned char var_1_8 = 1; [L28] unsigned long int var_1_9 = 2; [L29] unsigned long int var_1_10 = 32; [L30] unsigned long int var_1_11 = 128; [L31] float var_1_12 = 24.2; [L32] double var_1_13 = 999999999999999.2; [L33] double var_1_14 = 9999999.6; [L34] double var_1_15 = 9.75; [L35] float var_1_16 = 999999999999999.4; [L36] float var_1_17 = 256.6; [L37] float var_1_18 = 8.875; [L38] float var_1_19 = 256.25; [L39] signed long int last_1_var_1_1 = -128; [L40] unsigned long int last_1_var_1_7 = 25; VAL [isInitial=0, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-32, var_1_5=10, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L115] isInitial = 1 [L116] FCALL initially() [L117] COND TRUE 1 [L118] CALL updateLastVariables() [L107] last_1_var_1_1 = var_1_1 [L108] last_1_var_1_7 = var_1_7 VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-32, var_1_5=10, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L118] RET updateLastVariables() [L119] CALL updateVariables() [L70] var_1_4 = __VERIFIER_nondet_long() [L71] CALL assume_abort_if_not(var_1_4 >= -536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=10, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=10, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L71] RET assume_abort_if_not(var_1_4 >= -536870911) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=10, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L72] CALL assume_abort_if_not(var_1_4 <= 536870912) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=10, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=10, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L72] RET assume_abort_if_not(var_1_4 <= 536870912) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=10, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L73] var_1_5 = __VERIFIER_nondet_long() [L74] CALL assume_abort_if_not(var_1_5 >= -536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L74] RET assume_abort_if_not(var_1_5 >= -536870911) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L75] CALL assume_abort_if_not(var_1_5 <= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L75] RET assume_abort_if_not(var_1_5 <= 536870911) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L76] var_1_6 = __VERIFIER_nondet_long() [L77] CALL assume_abort_if_not(var_1_6 >= -1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=1, var_1_9=2] [L77] RET assume_abort_if_not(var_1_6 >= -1073741823) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=1, var_1_9=2] [L78] CALL assume_abort_if_not(var_1_6 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=1, var_1_9=2] [L78] RET assume_abort_if_not(var_1_6 <= 1073741823) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=1, var_1_9=2] [L79] var_1_8 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_9=2] [L80] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_9=2] [L81] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=2] [L81] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=2] [L82] var_1_9 = __VERIFIER_nondet_ulong() [L83] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0] [L83] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0] [L84] CALL assume_abort_if_not(var_1_9 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L84] RET assume_abort_if_not(var_1_9 <= 4294967294) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L85] var_1_10 = __VERIFIER_nondet_ulong() [L86] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L86] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L87] CALL assume_abort_if_not(var_1_10 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L87] RET assume_abort_if_not(var_1_10 <= 4294967294) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L88] var_1_11 = __VERIFIER_nondet_ulong() [L89] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L89] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L90] CALL assume_abort_if_not(var_1_11 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L90] RET assume_abort_if_not(var_1_11 <= 4294967294) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L91] var_1_13 = __VERIFIER_nondet_double() [L92] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L92] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L93] var_1_14 = __VERIFIER_nondet_double() [L94] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L94] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L95] var_1_15 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L96] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L97] var_1_16 = __VERIFIER_nondet_float() [L98] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L98] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L99] var_1_17 = __VERIFIER_nondet_float() [L100] CALL assume_abort_if_not((var_1_17 >= 0.0F && 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_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L100] RET assume_abort_if_not((var_1_17 >= 0.0F && 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_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L101] var_1_18 = __VERIFIER_nondet_float() [L102] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L102] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_19=1025/4, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L103] var_1_19 = __VERIFIER_nondet_float() [L104] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L104] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_1=-128, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L119] RET updateVariables() [L120] CALL step() [L44] COND TRUE ((((last_1_var_1_7) > (1)) ? (last_1_var_1_7) : (1))) <= (256 + last_1_var_1_1) [L45] var_1_1 = ((var_1_4 + var_1_5) + var_1_6) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_1=-1073741822, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L49] COND FALSE !(\read(var_1_8)) [L56] var_1_7 = var_1_11 VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_1=-1073741822, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=4294967293, var_1_8=0, var_1_9=4294967294] [L58] unsigned long int stepLocal_0 = var_1_7; VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, stepLocal_0=4294967293, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_1=-1073741822, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=4294967293, var_1_8=0, var_1_9=4294967294] [L59] COND TRUE var_1_7 <= stepLocal_0 VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=121/5, var_1_1=-1073741822, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=4294967293, var_1_8=0, var_1_9=4294967294] [L60] COND TRUE (var_1_13 - var_1_14) == var_1_15 [L61] var_1_12 = ((((var_1_16) > (((var_1_17 + var_1_18) - var_1_19))) ? (var_1_16) : (((var_1_17 + var_1_18) - var_1_19)))) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=1000000000000004, var_1_16=1000000000000004, var_1_1=-1073741822, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=4294967293, var_1_8=0, var_1_9=4294967294] [L120] RET step() [L121] CALL, EXPR property() [L111-L112] return (((((((last_1_var_1_7) > (1)) ? (last_1_var_1_7) : (1))) <= (256 + last_1_var_1_1)) ? (var_1_1 == ((signed long int) ((var_1_4 + var_1_5) + var_1_6))) : (var_1_1 == ((signed long int) var_1_6))) && (var_1_8 ? ((var_1_1 <= var_1_1) ? (var_1_7 == ((unsigned long int) ((((var_1_9) > (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))))) ? (var_1_9) : (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11)))))))) : (var_1_7 == ((unsigned long int) var_1_10))) : (var_1_7 == ((unsigned long int) var_1_11)))) && ((var_1_7 <= var_1_7) ? (((var_1_13 - var_1_14) == var_1_15) ? (var_1_12 == ((float) ((((var_1_16) > (((var_1_17 + var_1_18) - var_1_19))) ? (var_1_16) : (((var_1_17 + var_1_18) - var_1_19)))))) : (var_1_12 == ((float) var_1_19))) : (var_1_12 == ((float) var_1_16))) ; VAL [\result=0, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=1000000000000004, var_1_16=1000000000000004, var_1_1=-1073741822, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=4294967293, var_1_8=0, var_1_9=4294967294] [L121] RET, EXPR property() [L121] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=1000000000000004, var_1_16=1000000000000004, var_1_1=-1073741822, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=4294967293, var_1_8=0, var_1_9=4294967294] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=4294967293, var_1_12=1000000000000004, var_1_16=1000000000000004, var_1_1=-1073741822, var_1_4=-536870910, var_1_5=536870911, var_1_6=-1073741823, var_1_7=4294967293, var_1_8=0, var_1_9=4294967294] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 3, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 229 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 71 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 158 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 397 NumberOfCodeBlocks, 397 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 262 ConstructedInterpolants, 0 QuantifiedInterpolants, 272 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1680/1680 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 [2024-10-31 21:55:30,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU --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 a2e7bc86c416f082f6cbd3468de78760603e8d7fefbcdca8dd6e4ac6b460db48 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:55:32,862 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:55:32,953 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-31 21:55:32,958 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:55:32,960 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:55:33,019 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:55:33,019 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:55:33,020 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:55:33,020 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:55:33,021 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:55:33,021 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:55:33,021 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:55:33,022 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:55:33,027 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:55:33,027 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:55:33,027 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:55:33,028 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:55:33,028 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:55:33,028 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:55:33,028 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:55:33,029 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:55:33,029 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:55:33,029 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:55:33,030 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 21:55:33,030 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 21:55:33,030 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:55:33,030 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 21:55:33,031 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:55:33,031 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:55:33,031 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:55:33,032 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:55:33,032 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:55:33,032 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:55:33,032 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:55:33,033 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:55:33,037 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:55:33,037 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:55:33,037 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:55:33,037 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 21:55:33,038 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 21:55:33,038 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:55:33,039 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:55:33,039 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:55:33,039 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:55:33,039 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 21:55:33,039 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_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a2e7bc86c416f082f6cbd3468de78760603e8d7fefbcdca8dd6e4ac6b460db48 [2024-10-31 21:55:33,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:55:33,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:55:33,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:55:33,485 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:55:33,486 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:55:33,488 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-59.i Unable to find full path for "g++" [2024-10-31 21:55:35,674 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:55:35,949 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:55:35,950 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-59.i [2024-10-31 21:55:35,960 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/data/eb16eca58/6515ee149157482fb0348613a9c6a73a/FLAG285c8311a [2024-10-31 21:55:35,973 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/data/eb16eca58/6515ee149157482fb0348613a9c6a73a [2024-10-31 21:55:35,975 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:55:35,977 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:55:35,978 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:55:35,978 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:55:35,985 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:55:35,986 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:55:35" (1/1) ... [2024-10-31 21:55:35,989 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ece1e3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:35, skipping insertion in model container [2024-10-31 21:55:35,990 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:55:35" (1/1) ... [2024-10-31 21:55:36,017 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:55:36,278 WARN L251 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_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-59.i[915,928] [2024-10-31 21:55:36,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:55:36,383 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:55:36,398 WARN L251 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_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-59.i[915,928] [2024-10-31 21:55:36,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:55:36,455 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:55:36,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:36 WrapperNode [2024-10-31 21:55:36,456 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:55:36,457 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:55:36,457 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:55:36,457 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:55:36,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:36" (1/1) ... [2024-10-31 21:55:36,484 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:36" (1/1) ... [2024-10-31 21:55:36,527 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 132 [2024-10-31 21:55:36,527 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:55:36,528 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:55:36,528 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:55:36,528 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:55:36,544 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:36" (1/1) ... [2024-10-31 21:55:36,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:36" (1/1) ... [2024-10-31 21:55:36,549 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:36" (1/1) ... [2024-10-31 21:55:36,566 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 21:55:36,570 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:36" (1/1) ... [2024-10-31 21:55:36,570 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:36" (1/1) ... [2024-10-31 21:55:36,584 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:36" (1/1) ... [2024-10-31 21:55:36,604 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:36" (1/1) ... [2024-10-31 21:55:36,606 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:36" (1/1) ... [2024-10-31 21:55:36,615 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:36" (1/1) ... [2024-10-31 21:55:36,624 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:55:36,625 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:55:36,625 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:55:36,625 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:55:36,626 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:36" (1/1) ... [2024-10-31 21:55:36,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:55:36,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:55:36,674 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:55:36,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:55:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:55:36,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 21:55:36,701 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 21:55:36,701 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 21:55:36,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:55:36,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:55:36,785 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:55:36,787 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:55:38,834 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-31 21:55:38,834 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:55:38,851 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:55:38,851 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 21:55:38,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:55:38 BoogieIcfgContainer [2024-10-31 21:55:38,851 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:55:38,853 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:55:38,853 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:55:38,856 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:55:38,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:55:35" (1/3) ... [2024-10-31 21:55:38,857 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b008bae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:55:38, skipping insertion in model container [2024-10-31 21:55:38,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:55:36" (2/3) ... [2024-10-31 21:55:38,857 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b008bae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:55:38, skipping insertion in model container [2024-10-31 21:55:38,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:55:38" (3/3) ... [2024-10-31 21:55:38,859 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-59.i [2024-10-31 21:55:38,872 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:55:38,873 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 21:55:38,972 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:55:38,980 INFO L333 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, 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;@3402f047, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:55:38,981 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 21:55:38,985 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 37 states have internal predecessors, (46), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-31 21:55:39,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-10-31 21:55:39,017 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:55:39,018 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:55:39,018 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:55:39,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:55:39,026 INFO L85 PathProgramCache]: Analyzing trace with hash 2068994391, now seen corresponding path program 1 times [2024-10-31 21:55:39,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 21:55:39,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1473899358] [2024-10-31 21:55:39,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:55:39,046 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 [2024-10-31 21:55:39,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 21:55:39,061 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 21:55:39,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:55:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:39,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-31 21:55:39,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:55:39,846 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 436 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2024-10-31 21:55:39,846 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:55:39,847 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 21:55:39,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1473899358] [2024-10-31 21:55:39,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1473899358] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:55:39,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:55:39,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:55:39,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465151653] [2024-10-31 21:55:39,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:55:39,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 21:55:39,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 21:55:39,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 21:55:39,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 21:55:39,896 INFO L87 Difference]: Start difference. First operand has 60 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 37 states have internal predecessors, (46), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-10-31 21:55:39,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:55:39,960 INFO L93 Difference]: Finished difference Result 113 states and 191 transitions. [2024-10-31 21:55:39,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 21:55:39,967 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 132 [2024-10-31 21:55:39,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:55:39,979 INFO L225 Difference]: With dead ends: 113 [2024-10-31 21:55:39,979 INFO L226 Difference]: Without dead ends: 56 [2024-10-31 21:55:39,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 21:55:39,990 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 21:55:39,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:55:40,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-10-31 21:55:40,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-10-31 21:55:40,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 33 states have internal predecessors, (38), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-31 21:55:40,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 80 transitions. [2024-10-31 21:55:40,046 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 80 transitions. Word has length 132 [2024-10-31 21:55:40,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:55:40,046 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 80 transitions. [2024-10-31 21:55:40,047 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-10-31 21:55:40,047 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 80 transitions. [2024-10-31 21:55:40,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-10-31 21:55:40,053 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:55:40,053 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:55:40,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-10-31 21:55:40,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:55:40,257 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:55:40,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:55:40,259 INFO L85 PathProgramCache]: Analyzing trace with hash -557139255, now seen corresponding path program 1 times [2024-10-31 21:55:40,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 21:55:40,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1129158188] [2024-10-31 21:55:40,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:55:40,267 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 [2024-10-31 21:55:40,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 21:55:40,269 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 21:55:40,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-31 21:55:40,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:40,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 21:55:40,699 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:55:40,774 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-10-31 21:55:40,774 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:55:40,775 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 21:55:40,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1129158188] [2024-10-31 21:55:40,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1129158188] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:55:40,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:55:40,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:55:40,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435418481] [2024-10-31 21:55:40,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:55:40,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 21:55:40,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 21:55:40,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:55:40,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:55:40,783 INFO L87 Difference]: Start difference. First operand 56 states and 80 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-10-31 21:55:41,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:55:41,716 INFO L93 Difference]: Finished difference Result 109 states and 157 transitions. [2024-10-31 21:55:41,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:55:41,728 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 132 [2024-10-31 21:55:41,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:55:41,731 INFO L225 Difference]: With dead ends: 109 [2024-10-31 21:55:41,731 INFO L226 Difference]: Without dead ends: 56 [2024-10-31 21:55:41,732 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:55:41,733 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 0 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-31 21:55:41,734 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 149 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-31 21:55:41,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-10-31 21:55:41,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-10-31 21:55:41,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 33 states have (on average 1.121212121212121) internal successors, (37), 33 states have internal predecessors, (37), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-31 21:55:41,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 79 transitions. [2024-10-31 21:55:41,746 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 79 transitions. Word has length 132 [2024-10-31 21:55:41,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:55:41,748 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 79 transitions. [2024-10-31 21:55:41,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-10-31 21:55:41,748 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 79 transitions. [2024-10-31 21:55:41,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-10-31 21:55:41,751 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:55:41,751 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:55:41,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-10-31 21:55:41,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/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 [2024-10-31 21:55:41,952 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:55:41,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:55:41,955 INFO L85 PathProgramCache]: Analyzing trace with hash -327008013, now seen corresponding path program 1 times [2024-10-31 21:55:41,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 21:55:41,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1886471352] [2024-10-31 21:55:41,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:55:41,957 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 [2024-10-31 21:55:41,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 21:55:41,961 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/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) [2024-10-31 21:55:41,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0868ff8-e5e2-4c4d-9911-75fdd3a1d98e/bin/uautomizer-verify-4GaUIPS5ZU/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 (4)] Waiting until timeout for monitored process [2024-10-31 21:55:42,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:55:42,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-10-31 21:55:42,547 INFO L278 TraceCheckSpWp]: Computing forward predicates...