./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-23.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-23.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX --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 d9a4a26779ee984e42e9384b39e93bedd4033278a9c1a1ebdac0e82301018e49 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:26:44,356 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:26:44,457 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 17:26:44,465 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:26:44,467 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:26:44,505 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:26:44,508 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:26:44,508 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:26:44,509 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:26:44,511 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:26:44,511 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:26:44,512 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:26:44,513 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:26:44,516 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:26:44,516 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:26:44,517 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:26:44,517 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:26:44,517 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:26:44,518 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:26:44,518 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:26:44,518 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:26:44,523 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:26:44,523 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:26:44,524 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:26:44,524 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:26:44,524 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:26:44,525 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:26:44,525 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:26:44,525 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:26:44,526 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:26:44,526 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:26:44,526 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:26:44,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:26:44,529 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:26:44,530 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:26:44,530 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:26:44,531 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:26:44,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:26:44,532 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:26:44,532 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:26:44,533 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:26:44,533 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:26:44,533 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_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9a4a26779ee984e42e9384b39e93bedd4033278a9c1a1ebdac0e82301018e49 [2024-11-08 17:26:44,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:26:44,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:26:44,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:26:44,884 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:26:44,885 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:26:44,887 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-23.i Unable to find full path for "g++" [2024-11-08 17:26:47,074 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:26:47,261 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:26:47,262 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-23.i [2024-11-08 17:26:47,274 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/data/ac4716d15/0e59b2b827aa46878fb1f12f60dc93ec/FLAG564169e16 [2024-11-08 17:26:47,292 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/data/ac4716d15/0e59b2b827aa46878fb1f12f60dc93ec [2024-11-08 17:26:47,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:26:47,297 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:26:47,298 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:26:47,299 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:26:47,306 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:26:47,306 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:26:47" (1/1) ... [2024-11-08 17:26:47,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66b25a0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:47, skipping insertion in model container [2024-11-08 17:26:47,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:26:47" (1/1) ... [2024-11-08 17:26:47,338 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:26:47,544 WARN L250 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_a40626a0-4547-437d-b798-3466d8d0b0d9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-23.i[913,926] [2024-11-08 17:26:47,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:26:47,653 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:26:47,671 WARN L250 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_a40626a0-4547-437d-b798-3466d8d0b0d9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-23.i[913,926] [2024-11-08 17:26:47,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:26:47,753 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:26:47,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:47 WrapperNode [2024-11-08 17:26:47,754 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:26:47,755 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:26:47,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:26:47,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:26:47,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:47" (1/1) ... [2024-11-08 17:26:47,777 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:47" (1/1) ... [2024-11-08 17:26:47,824 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2024-11-08 17:26:47,829 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:26:47,830 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:26:47,830 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:26:47,830 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:26:47,851 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:47" (1/1) ... [2024-11-08 17:26:47,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:47" (1/1) ... [2024-11-08 17:26:47,854 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:47" (1/1) ... [2024-11-08 17:26:47,880 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]. [2024-11-08 17:26:47,880 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:47" (1/1) ... [2024-11-08 17:26:47,881 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:47" (1/1) ... [2024-11-08 17:26:47,886 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:47" (1/1) ... [2024-11-08 17:26:47,890 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:47" (1/1) ... [2024-11-08 17:26:47,892 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:47" (1/1) ... [2024-11-08 17:26:47,893 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:47" (1/1) ... [2024-11-08 17:26:47,896 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:26:47,897 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:26:47,898 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:26:47,898 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:26:47,899 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:47" (1/1) ... [2024-11-08 17:26:47,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:26:47,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:26:47,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:26:47,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:26:47,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:26:47,986 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:26:47,987 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:26:47,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:26:47,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:26:47,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:26:48,085 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:26:48,088 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:26:48,388 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 17:26:48,388 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:26:48,403 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:26:48,403 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:26:48,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:26:48 BoogieIcfgContainer [2024-11-08 17:26:48,404 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:26:48,406 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:26:48,407 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:26:48,411 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:26:48,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:26:47" (1/3) ... [2024-11-08 17:26:48,412 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@279d7bf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:26:48, skipping insertion in model container [2024-11-08 17:26:48,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:47" (2/3) ... [2024-11-08 17:26:48,414 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@279d7bf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:26:48, skipping insertion in model container [2024-11-08 17:26:48,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:26:48" (3/3) ... [2024-11-08 17:26:48,418 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-23.i [2024-11-08 17:26:48,436 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:26:48,436 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:26:48,518 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:26:48,526 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;@671d4250, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:26:48,526 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:26:48,531 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:26:48,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-08 17:26:48,546 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:26:48,547 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:26:48,547 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:26:48,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:26:48,555 INFO L85 PathProgramCache]: Analyzing trace with hash -153556669, now seen corresponding path program 1 times [2024-11-08 17:26:48,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:26:48,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054286775] [2024-11-08 17:26:48,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:26:48,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:26:48,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:48,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:26:48,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:48,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:26:48,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:48,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:26:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:48,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:26:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:49,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:26:49,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:49,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 17:26:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:49,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:26:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:49,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 17:26:49,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:49,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 17:26:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:49,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 17:26:49,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:49,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 17:26:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:49,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 17:26:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:49,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 17:26:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:49,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 17:26:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:49,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 17:26:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:49,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:26:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:49,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 17:26:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:49,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 17:26:49,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:49,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 17:26:49,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:49,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 17:26:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:49,164 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 17:26:49,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:26:49,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054286775] [2024-11-08 17:26:49,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054286775] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:26:49,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:26:49,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:26:49,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731573546] [2024-11-08 17:26:49,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:26:49,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:26:49,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:26:49,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:26:49,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:26:49,216 INFO L87 Difference]: Start difference. First operand has 57 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-08 17:26:49,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:26:49,250 INFO L93 Difference]: Finished difference Result 107 states and 182 transitions. [2024-11-08 17:26:49,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:26:49,253 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 125 [2024-11-08 17:26:49,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:26:49,264 INFO L225 Difference]: With dead ends: 107 [2024-11-08 17:26:49,264 INFO L226 Difference]: Without dead ends: 53 [2024-11-08 17:26:49,270 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:26:49,275 INFO L432 NwaCegarLoop]: 77 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, 77 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 [2024-11-08 17:26:49,276 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:26:49,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-08 17:26:49,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-11-08 17:26:49,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:26:49,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 77 transitions. [2024-11-08 17:26:49,329 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 77 transitions. Word has length 125 [2024-11-08 17:26:49,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:26:49,329 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 77 transitions. [2024-11-08 17:26:49,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-08 17:26:49,330 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 77 transitions. [2024-11-08 17:26:49,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-08 17:26:49,334 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:26:49,335 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:26:49,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:26:49,336 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:26:49,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:26:49,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1197452537, now seen corresponding path program 1 times [2024-11-08 17:26:49,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:26:49,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65204753] [2024-11-08 17:26:49,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:26:49,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:26:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:50,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:26:50,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:50,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:26:50,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:50,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:26:50,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:50,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:26:50,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:50,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:26:50,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:50,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-08 17:26:50,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:50,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:26:50,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:50,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-08 17:26:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:50,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-08 17:26:50,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:50,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 17:26:50,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:50,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 17:26:50,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:50,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 17:26:50,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:50,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-08 17:26:50,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:50,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-08 17:26:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:50,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-08 17:26:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:50,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 17:26:50,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:50,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 17:26:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:50,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-08 17:26:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:50,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-08 17:26:50,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:50,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 17:26:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:26:50,532 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-08 17:26:50,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:26:50,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65204753] [2024-11-08 17:26:50,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65204753] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:26:50,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:26:50,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 17:26:50,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907444637] [2024-11-08 17:26:50,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:26:50,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:26:50,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:26:50,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:26:50,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:26:50,541 INFO L87 Difference]: Start difference. First operand 53 states and 77 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:26:51,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:26:51,169 INFO L93 Difference]: Finished difference Result 157 states and 224 transitions. [2024-11-08 17:26:51,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 17:26:51,169 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 125 [2024-11-08 17:26:51,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:26:51,172 INFO L225 Difference]: With dead ends: 157 [2024-11-08 17:26:51,173 INFO L226 Difference]: Without dead ends: 107 [2024-11-08 17:26:51,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:26:51,175 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 102 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 17:26:51,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 211 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 17:26:51,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-08 17:26:51,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 60. [2024-11-08 17:26:51,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 37 states have internal predecessors, (44), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:26:51,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 84 transitions. [2024-11-08 17:26:51,198 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 84 transitions. Word has length 125 [2024-11-08 17:26:51,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:26:51,200 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 84 transitions. [2024-11-08 17:26:51,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:26:51,200 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2024-11-08 17:26:51,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-08 17:26:51,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:26:51,203 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:26:51,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:26:51,203 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:26:51,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:26:51,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1140194235, now seen corresponding path program 1 times [2024-11-08 17:26:51,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:26:51,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792829906] [2024-11-08 17:26:51,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:26:51,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:26:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 17:26:51,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [139651438] [2024-11-08 17:26:51,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:26:51,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:26:51,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:26:51,381 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:26:51,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:26:51,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:26:51,606 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:26:51,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:26:51,746 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:26:51,747 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:26:51,748 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 17:26:51,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 17:26:51,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:26:51,955 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-08 17:26:52,094 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:26:52,100 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:26:52 BoogieIcfgContainer [2024-11-08 17:26:52,104 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:26:52,104 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:26:52,105 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:26:52,105 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:26:52,105 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:26:48" (3/4) ... [2024-11-08 17:26:52,109 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:26:52,110 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:26:52,114 INFO L158 Benchmark]: Toolchain (without parser) took 4814.78ms. Allocated memory was 157.3MB in the beginning and 207.6MB in the end (delta: 50.3MB). Free memory was 118.4MB in the beginning and 93.4MB in the end (delta: 25.0MB). Peak memory consumption was 77.2MB. Max. memory is 16.1GB. [2024-11-08 17:26:52,115 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 157.3MB. Free memory is still 131.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:26:52,115 INFO L158 Benchmark]: CACSL2BoogieTranslator took 456.15ms. Allocated memory is still 157.3MB. Free memory was 118.1MB in the beginning and 103.7MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 17:26:52,115 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.84ms. Allocated memory is still 157.3MB. Free memory was 103.7MB in the beginning and 101.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:26:52,116 INFO L158 Benchmark]: Boogie Preprocessor took 67.00ms. Allocated memory is still 157.3MB. Free memory was 101.4MB in the beginning and 98.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:26:52,116 INFO L158 Benchmark]: RCFGBuilder took 506.24ms. Allocated memory is still 157.3MB. Free memory was 98.7MB in the beginning and 83.4MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 17:26:52,119 INFO L158 Benchmark]: TraceAbstraction took 3697.44ms. Allocated memory was 157.3MB in the beginning and 207.6MB in the end (delta: 50.3MB). Free memory was 82.5MB in the beginning and 93.4MB in the end (delta: -10.9MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2024-11-08 17:26:52,120 INFO L158 Benchmark]: Witness Printer took 6.08ms. Allocated memory is still 207.6MB. Free memory is still 93.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:26:52,123 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 157.3MB. Free memory is still 131.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 456.15ms. Allocated memory is still 157.3MB. Free memory was 118.1MB in the beginning and 103.7MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.84ms. Allocated memory is still 157.3MB. Free memory was 103.7MB in the beginning and 101.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.00ms. Allocated memory is still 157.3MB. Free memory was 101.4MB in the beginning and 98.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 506.24ms. Allocated memory is still 157.3MB. Free memory was 98.7MB in the beginning and 83.4MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3697.44ms. Allocated memory was 157.3MB in the beginning and 207.6MB in the end (delta: 50.3MB). Free memory was 82.5MB in the beginning and 93.4MB in the end (delta: -10.9MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. * Witness Printer took 6.08ms. Allocated memory is still 207.6MB. Free memory is still 93.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 98. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 0; [L23] unsigned long int var_1_2 = 16; [L24] unsigned long int var_1_3 = 64; [L25] unsigned long int var_1_4 = 25; [L26] float var_1_5 = 1.2; [L27] float var_1_6 = 999.7; [L28] float var_1_7 = 1.4; [L29] float var_1_8 = 9.75; [L30] float var_1_9 = 1.75; [L31] unsigned long int var_1_10 = 16; [L32] unsigned long int var_1_11 = 1277342739; [L33] unsigned long int var_1_12 = 1394088949; [L34] unsigned long int var_1_13 = 0; [L35] unsigned char var_1_14 = 0; [L36] unsigned char var_1_17 = 0; [L37] unsigned char var_1_18 = 0; [L38] unsigned char var_1_19 = 0; VAL [isInitial=0, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=16, var_1_3=64, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L102] isInitial = 1 [L103] FCALL initially() [L104] COND TRUE 1 [L105] FCALL updateLastVariables() [L106] CALL updateVariables() [L62] var_1_2 = __VERIFIER_nondet_ulong() [L63] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_3=64, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_3=64, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L63] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_3=64, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L64] CALL assume_abort_if_not(var_1_2 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=64, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=64, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L64] RET assume_abort_if_not(var_1_2 <= 4294967294) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=64, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L65] var_1_3 = __VERIFIER_nondet_ulong() [L66] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L66] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L67] CALL assume_abort_if_not(var_1_3 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L67] RET assume_abort_if_not(var_1_3 <= 4294967294) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_5=6/5, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L68] var_1_5 = __VERIFIER_nondet_float() [L69] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L69] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_6=9997/10, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L70] var_1_6 = __VERIFIER_nondet_float() [L71] CALL assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L71] RET assume_abort_if_not((var_1_6 >= -922337.2036854776000e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L72] CALL assume_abort_if_not(var_1_6 != 0.0F) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L72] RET assume_abort_if_not(var_1_6 != 0.0F) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_7=7/5, var_1_8=39/4, var_1_9=7/4] [L73] var_1_7 = __VERIFIER_nondet_float() [L74] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_8=39/4, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_8=39/4, var_1_9=7/4] [L74] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_8=39/4, var_1_9=7/4] [L75] var_1_8 = __VERIFIER_nondet_float() [L76] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_9=7/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_9=7/4] [L76] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25, var_1_9=7/4] [L77] var_1_9 = __VERIFIER_nondet_float() [L78] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L78] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=1277342739, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L79] var_1_11 = __VERIFIER_nondet_ulong() [L80] CALL assume_abort_if_not(var_1_11 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L80] RET assume_abort_if_not(var_1_11 >= 1073741823) VAL [isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L81] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L81] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=1394088949, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L82] var_1_12 = __VERIFIER_nondet_ulong() [L83] CALL assume_abort_if_not(var_1_12 >= 1073741824) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L83] RET assume_abort_if_not(var_1_12 >= 1073741824) VAL [isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L84] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L84] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L85] var_1_13 = __VERIFIER_nondet_ulong() [L86] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L86] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L87] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L87] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=0, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L88] var_1_17 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L89] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L90] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L90] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L91] var_1_19 = __VERIFIER_nondet_uchar() [L92] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L92] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L93] CALL assume_abort_if_not(var_1_19 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L93] RET assume_abort_if_not(var_1_19 <= 0) VAL [isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L106] RET updateVariables() [L107] CALL step() [L42] var_1_1 = ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))) VAL [isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=25] [L43] COND TRUE (var_1_5 / var_1_6) <= (var_1_7 + (var_1_8 - var_1_9)) [L44] var_1_4 = ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))) VAL [isInitial=1, var_1_10=16, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=0] [L46] var_1_10 = ((((var_1_2) > (((var_1_11 + var_1_12) - var_1_13))) ? (var_1_2) : (((var_1_11 + var_1_12) - var_1_13)))) [L47] unsigned char stepLocal_0 = (- var_1_5) != 1.9f; VAL [isInitial=1, stepLocal_0=0, var_1_10=2147483647, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=0] [L48] COND FALSE !(stepLocal_0 || ((var_1_4 * var_1_13) < var_1_3)) [L51] var_1_18 = var_1_19 VAL [isInitial=1, var_1_10=2147483647, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=0] [L53] COND FALSE !(\read(var_1_18)) VAL [isInitial=1, var_1_10=2147483647, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=0] [L107] RET step() [L108] CALL, EXPR property() [L98-L99] return ((((var_1_1 == ((unsigned long int) ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))))) && (((var_1_5 / var_1_6) <= (var_1_7 + (var_1_8 - var_1_9))) ? (var_1_4 == ((unsigned long int) ((((var_1_2) < (var_1_3)) ? (var_1_2) : (var_1_3))))) : 1)) && (var_1_10 == ((unsigned long int) ((((var_1_2) > (((var_1_11 + var_1_12) - var_1_13))) ? (var_1_2) : (((var_1_11 + var_1_12) - var_1_13))))))) && (var_1_18 ? ((! ((var_1_5 / var_1_6) < (var_1_8 - var_1_9))) ? (var_1_18 ? (var_1_14 == ((unsigned char) (! var_1_17))) : 1) : 1) : 1)) && ((((- var_1_5) != 1.9f) || ((var_1_4 * var_1_13) < var_1_3)) ? (var_1_18 == ((unsigned char) (! var_1_19))) : (var_1_18 == ((unsigned char) var_1_19))) ; VAL [\result=0, isInitial=1, var_1_10=2147483647, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=0] [L108] RET, EXPR property() [L108] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=2147483647, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=0] [L19] reach_error() VAL [isInitial=1, var_1_10=2147483647, var_1_11=-3221225473, var_1_12=5368709120, var_1_13=0, var_1_14=0, var_1_17=1, var_1_18=0, var_1_19=0, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 3, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 138 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 102 mSDsluCounter, 288 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 124 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 261 IncrementalHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 164 mSDtfsCounter, 261 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 115 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=60occurred in iteration=2, InterpolantAutomatonStates: 15, 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, 47 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 500 NumberOfCodeBlocks, 500 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 248 ConstructedInterpolants, 0 QuantifiedInterpolants, 280 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1520/1520 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 [2024-11-08 17:26:52,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/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_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-23.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX --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 d9a4a26779ee984e42e9384b39e93bedd4033278a9c1a1ebdac0e82301018e49 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:26:54,905 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:26:55,023 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 17:26:55,031 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:26:55,032 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:26:55,081 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:26:55,081 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:26:55,082 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:26:55,082 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:26:55,083 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:26:55,084 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:26:55,084 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:26:55,085 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:26:55,087 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:26:55,087 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:26:55,088 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:26:55,091 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:26:55,092 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:26:55,092 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:26:55,092 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:26:55,093 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:26:55,093 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:26:55,093 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:26:55,094 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 17:26:55,094 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 17:26:55,094 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:26:55,095 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 17:26:55,095 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:26:55,095 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:26:55,095 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:26:55,096 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:26:55,096 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:26:55,096 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:26:55,100 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:26:55,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:26:55,101 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:26:55,101 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:26:55,101 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:26:55,102 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 17:26:55,102 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 17:26:55,102 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:26:55,103 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:26:55,103 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:26:55,104 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:26:55,104 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_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9a4a26779ee984e42e9384b39e93bedd4033278a9c1a1ebdac0e82301018e49 [2024-11-08 17:26:55,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:26:55,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:26:55,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:26:55,529 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:26:55,529 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:26:55,531 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-23.i Unable to find full path for "g++" [2024-11-08 17:26:57,662 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:26:58,022 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:26:58,022 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-23.i [2024-11-08 17:26:58,033 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/data/9f60f5b20/d6b20ed538814fd2a49afb522d74a40b/FLAGb7d8d872c [2024-11-08 17:26:58,058 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/data/9f60f5b20/d6b20ed538814fd2a49afb522d74a40b [2024-11-08 17:26:58,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:26:58,063 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:26:58,065 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:26:58,065 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:26:58,072 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:26:58,073 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:26:58" (1/1) ... [2024-11-08 17:26:58,075 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@557ee73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:58, skipping insertion in model container [2024-11-08 17:26:58,075 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:26:58" (1/1) ... [2024-11-08 17:26:58,109 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:26:58,419 WARN L250 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_a40626a0-4547-437d-b798-3466d8d0b0d9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-23.i[913,926] [2024-11-08 17:26:58,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:26:58,533 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:26:58,549 WARN L250 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_a40626a0-4547-437d-b798-3466d8d0b0d9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-23.i[913,926] [2024-11-08 17:26:58,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:26:58,622 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:26:58,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:58 WrapperNode [2024-11-08 17:26:58,623 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:26:58,624 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:26:58,624 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:26:58,624 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:26:58,633 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:58" (1/1) ... [2024-11-08 17:26:58,648 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:58" (1/1) ... [2024-11-08 17:26:58,692 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 118 [2024-11-08 17:26:58,696 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:26:58,697 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:26:58,697 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:26:58,697 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:26:58,723 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:58" (1/1) ... [2024-11-08 17:26:58,742 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:58" (1/1) ... [2024-11-08 17:26:58,748 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:58" (1/1) ... [2024-11-08 17:26:58,783 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]. [2024-11-08 17:26:58,783 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:58" (1/1) ... [2024-11-08 17:26:58,788 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:58" (1/1) ... [2024-11-08 17:26:58,810 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:58" (1/1) ... [2024-11-08 17:26:58,813 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:58" (1/1) ... [2024-11-08 17:26:58,820 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:58" (1/1) ... [2024-11-08 17:26:58,842 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:58" (1/1) ... [2024-11-08 17:26:58,845 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:26:58,850 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:26:58,850 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:26:58,851 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:26:58,853 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:58" (1/1) ... [2024-11-08 17:26:58,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:26:58,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:26:58,904 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:26:58,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:26:58,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:26:58,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 17:26:58,947 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:26:58,948 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:26:58,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:26:58,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:26:59,070 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:26:59,073 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:27:09,525 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 17:27:09,526 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:27:09,551 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:27:09,551 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:27:09,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:27:09 BoogieIcfgContainer [2024-11-08 17:27:09,552 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:27:09,555 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:27:09,558 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:27:09,563 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:27:09,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:26:58" (1/3) ... [2024-11-08 17:27:09,566 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20fa97a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:27:09, skipping insertion in model container [2024-11-08 17:27:09,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:26:58" (2/3) ... [2024-11-08 17:27:09,568 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20fa97a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:27:09, skipping insertion in model container [2024-11-08 17:27:09,568 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:27:09" (3/3) ... [2024-11-08 17:27:09,572 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-23.i [2024-11-08 17:27:09,597 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:27:09,598 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:27:09,677 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:27:09,685 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;@324101c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:27:09,686 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:27:09,691 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:27:09,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-08 17:27:09,712 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:27:09,713 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:27:09,714 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:27:09,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:09,722 INFO L85 PathProgramCache]: Analyzing trace with hash -153556669, now seen corresponding path program 1 times [2024-11-08 17:27:09,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:27:09,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [310956834] [2024-11-08 17:27:09,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:09,744 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 [2024-11-08 17:27:09,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:27:09,765 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:27:09,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:27:10,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:10,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 17:27:10,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:27:10,339 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2024-11-08 17:27:10,342 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:27:10,343 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:27:10,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [310956834] [2024-11-08 17:27:10,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [310956834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:27:10,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:27:10,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:27:10,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840009320] [2024-11-08 17:27:10,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:27:10,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:27:10,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:27:10,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:27:10,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:27:10,382 INFO L87 Difference]: Start difference. First operand has 57 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 35 states have internal predecessors, (44), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-08 17:27:10,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:27:10,412 INFO L93 Difference]: Finished difference Result 107 states and 182 transitions. [2024-11-08 17:27:10,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:27:10,416 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 125 [2024-11-08 17:27:10,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:27:10,429 INFO L225 Difference]: With dead ends: 107 [2024-11-08 17:27:10,429 INFO L226 Difference]: Without dead ends: 53 [2024-11-08 17:27:10,434 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:27:10,441 INFO L432 NwaCegarLoop]: 77 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, 77 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 [2024-11-08 17:27:10,443 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:27:10,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-08 17:27:10,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-11-08 17:27:10,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 31 states have internal predecessors, (37), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:27:10,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 77 transitions. [2024-11-08 17:27:10,506 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 77 transitions. Word has length 125 [2024-11-08 17:27:10,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:27:10,508 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 77 transitions. [2024-11-08 17:27:10,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-08 17:27:10,509 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 77 transitions. [2024-11-08 17:27:10,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-08 17:27:10,512 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:27:10,512 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:27:10,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/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)] Ended with exit code 0 [2024-11-08 17:27:10,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:27:10,716 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:27:10,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:10,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1197452537, now seen corresponding path program 1 times [2024-11-08 17:27:10,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:27:10,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [893368755] [2024-11-08 17:27:10,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:10,719 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 [2024-11-08 17:27:10,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:27:10,721 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:27:10,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:27:11,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:11,208 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 17:27:11,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:27:11,571 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-08 17:27:11,572 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:27:11,572 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:27:11,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [893368755] [2024-11-08 17:27:11,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [893368755] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:27:11,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:27:11,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 17:27:11,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739919112] [2024-11-08 17:27:11,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:27:11,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:27:11,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:27:11,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:27:11,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:27:11,578 INFO L87 Difference]: Start difference. First operand 53 states and 77 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:27:14,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 17:27:17,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 17:27:18,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:27:18,538 INFO L93 Difference]: Finished difference Result 169 states and 239 transitions. [2024-11-08 17:27:18,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 17:27:18,541 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 125 [2024-11-08 17:27:18,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:27:18,544 INFO L225 Difference]: With dead ends: 169 [2024-11-08 17:27:18,545 INFO L226 Difference]: Without dead ends: 119 [2024-11-08 17:27:18,549 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2024-11-08 17:27:18,550 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 97 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2024-11-08 17:27:18,551 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 246 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2024-11-08 17:27:18,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-08 17:27:18,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 60. [2024-11-08 17:27:18,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 37 states have (on average 1.1891891891891893) internal successors, (44), 37 states have internal predecessors, (44), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:27:18,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 84 transitions. [2024-11-08 17:27:18,577 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 84 transitions. Word has length 125 [2024-11-08 17:27:18,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:27:18,578 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 84 transitions. [2024-11-08 17:27:18,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:27:18,579 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2024-11-08 17:27:18,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-08 17:27:18,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:27:18,582 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:27:18,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:27:18,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:27:18,783 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:27:18,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:27:18,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1140194235, now seen corresponding path program 1 times [2024-11-08 17:27:18,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:27:18,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [327452341] [2024-11-08 17:27:18,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:27:18,785 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 [2024-11-08 17:27:18,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:27:18,787 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:27:18,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a40626a0-4547-437d-b798-3466d8d0b0d9/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:27:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:27:19,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 17:27:19,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:28:32,857 WARN L286 SmtUtils]: Spent 5.11s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:28:38,365 WARN L286 SmtUtils]: Spent 5.46s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:28:44,595 WARN L286 SmtUtils]: Spent 6.23s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:28:58,151 WARN L286 SmtUtils]: Spent 5.62s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:29:24,532 WARN L286 SmtUtils]: Spent 6.20s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:29:43,144 WARN L286 SmtUtils]: Spent 5.75s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:30:44,193 WARN L286 SmtUtils]: Spent 5.63s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:31:52,978 WARN L286 SmtUtils]: Spent 6.15s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:32:03,049 WARN L286 SmtUtils]: Spent 7.21s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:32:09,709 WARN L286 SmtUtils]: Spent 6.66s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:32:27,002 WARN L286 SmtUtils]: Spent 5.17s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:32:43,648 WARN L286 SmtUtils]: Spent 5.50s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:32:49,051 WARN L286 SmtUtils]: Spent 5.37s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:32:54,163 WARN L286 SmtUtils]: Spent 5.11s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:33:02,262 WARN L286 SmtUtils]: Spent 5.61s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:33:09,162 WARN L286 SmtUtils]: Spent 6.84s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:33:15,861 WARN L286 SmtUtils]: Spent 6.70s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:33:35,378 WARN L286 SmtUtils]: Spent 7.34s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:33:44,425 WARN L286 SmtUtils]: Spent 5.70s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 17:33:47,931 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 243 proven. 9 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2024-11-08 17:33:47,931 INFO L311 TraceCheckSpWp]: Computing backward predicates...