./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-29.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya --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 5ee0f2b669f52dc2ec9ba8ed67fd3d51fd0faec67e2228451bf3cfc69d5760a0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:04:35,863 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:04:35,925 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 00:04:35,930 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:04:35,930 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:04:35,953 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:04:35,954 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:04:35,954 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:04:35,955 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 00:04:35,956 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 00:04:35,956 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:04:35,957 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:04:35,957 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:04:35,958 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:04:35,958 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:04:35,959 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:04:35,959 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:04:35,960 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 00:04:35,960 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 00:04:35,961 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 00:04:35,961 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:04:35,962 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:04:35,962 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:04:35,963 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:04:35,963 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 00:04:35,964 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:04:35,964 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:04:35,965 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:04:35,965 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:04:35,965 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 00:04:35,966 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:04:35,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:04:35,967 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:04:35,967 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:04:35,967 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:04:35,968 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 00:04:35,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 00:04:35,968 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:04:35,968 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:04:35,969 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:04:35,969 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:04:35,969 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:04:35,969 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_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ee0f2b669f52dc2ec9ba8ed67fd3d51fd0faec67e2228451bf3cfc69d5760a0 [2023-11-29 00:04:36,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:04:36,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:04:36,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:04:36,202 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:04:36,202 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:04:36,203 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-29.i [2023-11-29 00:04:39,033 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:04:39,192 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:04:39,193 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-29.i [2023-11-29 00:04:39,200 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/data/d35e9269e/4a2963109dad41cba766f189e7c1f723/FLAG5e98db72a [2023-11-29 00:04:39,212 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/data/d35e9269e/4a2963109dad41cba766f189e7c1f723 [2023-11-29 00:04:39,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:04:39,216 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:04:39,218 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:04:39,218 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:04:39,224 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:04:39,224 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:04:39" (1/1) ... [2023-11-29 00:04:39,225 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e3dde8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:39, skipping insertion in model container [2023-11-29 00:04:39,226 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:04:39" (1/1) ... [2023-11-29 00:04:39,249 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:04:39,373 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-29.i[913,926] [2023-11-29 00:04:39,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:04:39,419 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:04:39,430 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-29.i[913,926] [2023-11-29 00:04:39,449 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:04:39,464 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:04:39,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:39 WrapperNode [2023-11-29 00:04:39,464 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:04:39,465 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:04:39,465 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:04:39,466 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:04:39,471 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:39" (1/1) ... [2023-11-29 00:04:39,480 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:39" (1/1) ... [2023-11-29 00:04:39,509 INFO L138 Inliner]: procedures = 26, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 78 [2023-11-29 00:04:39,509 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:04:39,510 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:04:39,510 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:04:39,510 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:04:39,522 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:39" (1/1) ... [2023-11-29 00:04:39,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:39" (1/1) ... [2023-11-29 00:04:39,524 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:39" (1/1) ... [2023-11-29 00:04:39,539 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]. [2023-11-29 00:04:39,539 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:39" (1/1) ... [2023-11-29 00:04:39,540 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:39" (1/1) ... [2023-11-29 00:04:39,546 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:39" (1/1) ... [2023-11-29 00:04:39,549 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:39" (1/1) ... [2023-11-29 00:04:39,551 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:39" (1/1) ... [2023-11-29 00:04:39,553 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:39" (1/1) ... [2023-11-29 00:04:39,555 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:04:39,556 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:04:39,557 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:04:39,557 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:04:39,558 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:39" (1/1) ... [2023-11-29 00:04:39,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:04:39,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:04:39,589 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:04:39,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:04:39,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:04:39,620 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 00:04:39,621 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 00:04:39,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 00:04:39,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:04:39,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:04:39,693 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:04:39,695 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:04:39,922 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:04:39,958 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:04:39,959 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 00:04:39,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:04:39 BoogieIcfgContainer [2023-11-29 00:04:39,959 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:04:39,963 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:04:39,963 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:04:39,966 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:04:39,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:04:39" (1/3) ... [2023-11-29 00:04:39,967 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60e248ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:04:39, skipping insertion in model container [2023-11-29 00:04:39,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:39" (2/3) ... [2023-11-29 00:04:39,968 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60e248ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:04:39, skipping insertion in model container [2023-11-29 00:04:39,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:04:39" (3/3) ... [2023-11-29 00:04:39,969 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-29.i [2023-11-29 00:04:39,984 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:04:39,985 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 00:04:40,026 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:04:40,032 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1407782e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:04:40,033 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 00:04:40,036 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 23 states have internal predecessors, (34), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 00:04:40,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-29 00:04:40,043 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:04:40,044 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:04:40,045 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:04:40,049 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:04:40,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1292987908, now seen corresponding path program 1 times [2023-11-29 00:04:40,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:04:40,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698043398] [2023-11-29 00:04:40,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:04:40,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:04:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:04:40,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 00:04:40,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:04:40,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 00:04:40,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:04:40,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 00:04:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:04:40,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-29 00:04:40,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:04:40,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 00:04:40,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:04:40,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-11-29 00:04:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:04:40,266 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-29 00:04:40,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:04:40,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698043398] [2023-11-29 00:04:40,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698043398] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:04:40,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:04:40,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:04:40,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17708626] [2023-11-29 00:04:40,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:04:40,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 00:04:40,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:04:40,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 00:04:40,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 00:04:40,308 INFO L87 Difference]: Start difference. First operand has 31 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 23 states have internal predecessors, (34), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 00:04:40,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:04:40,342 INFO L93 Difference]: Finished difference Result 59 states and 96 transitions. [2023-11-29 00:04:40,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 00:04:40,345 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 44 [2023-11-29 00:04:40,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:04:40,353 INFO L225 Difference]: With dead ends: 59 [2023-11-29 00:04:40,353 INFO L226 Difference]: Without dead ends: 29 [2023-11-29 00:04:40,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 00:04:40,360 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:04:40,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:04:40,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2023-11-29 00:04:40,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2023-11-29 00:04:40,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 21 states have (on average 1.380952380952381) internal successors, (29), 21 states have internal predecessors, (29), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 00:04:40,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 41 transitions. [2023-11-29 00:04:40,396 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 41 transitions. Word has length 44 [2023-11-29 00:04:40,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:04:40,397 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 41 transitions. [2023-11-29 00:04:40,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 00:04:40,397 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2023-11-29 00:04:40,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-29 00:04:40,400 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:04:40,400 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:04:40,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 00:04:40,400 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:04:40,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:04:40,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1672929280, now seen corresponding path program 1 times [2023-11-29 00:04:40,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:04:40,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008405132] [2023-11-29 00:04:40,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:04:40,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:04:40,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:04:40,514 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 00:04:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 00:04:40,598 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 00:04:40,598 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 00:04:40,600 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 00:04:40,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 00:04:40,605 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-29 00:04:40,609 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 00:04:40,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 12:04:40 BoogieIcfgContainer [2023-11-29 00:04:40,649 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 00:04:40,650 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 00:04:40,650 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 00:04:40,650 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 00:04:40,651 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:04:39" (3/4) ... [2023-11-29 00:04:40,653 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 00:04:40,654 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 00:04:40,655 INFO L158 Benchmark]: Toolchain (without parser) took 1438.67ms. Allocated memory is still 205.5MB. Free memory was 169.5MB in the beginning and 163.4MB in the end (delta: 6.1MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2023-11-29 00:04:40,655 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 66.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:04:40,656 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.10ms. Allocated memory is still 205.5MB. Free memory was 168.9MB in the beginning and 157.5MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 00:04:40,657 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.31ms. Allocated memory is still 205.5MB. Free memory was 156.9MB in the beginning and 154.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 00:04:40,657 INFO L158 Benchmark]: Boogie Preprocessor took 45.47ms. Allocated memory is still 205.5MB. Free memory was 154.8MB in the beginning and 151.2MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 00:04:40,658 INFO L158 Benchmark]: RCFGBuilder took 403.17ms. Allocated memory is still 205.5MB. Free memory was 151.2MB in the beginning and 135.9MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 00:04:40,658 INFO L158 Benchmark]: TraceAbstraction took 686.43ms. Allocated memory is still 205.5MB. Free memory was 135.4MB in the beginning and 163.4MB in the end (delta: -28.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:04:40,659 INFO L158 Benchmark]: Witness Printer took 4.42ms. Allocated memory is still 205.5MB. Free memory is still 163.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:04:40,662 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 117.4MB. Free memory is still 66.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.10ms. Allocated memory is still 205.5MB. Free memory was 168.9MB in the beginning and 157.5MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.31ms. Allocated memory is still 205.5MB. Free memory was 156.9MB in the beginning and 154.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.47ms. Allocated memory is still 205.5MB. Free memory was 154.8MB in the beginning and 151.2MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 403.17ms. Allocated memory is still 205.5MB. Free memory was 151.2MB in the beginning and 135.9MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 686.43ms. Allocated memory is still 205.5MB. Free memory was 135.4MB in the beginning and 163.4MB in the end (delta: -28.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.42ms. Allocated memory is still 205.5MB. Free memory is still 163.4MB. 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 76, overapproximation of someBinaryDOUBLEComparisonOperation at line 76. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 2.5; [L23] float var_1_3 = 9.3; [L24] float var_1_4 = 3.4; [L25] unsigned short int var_1_5 = 32; [L26] unsigned short int var_1_9 = 1; [L27] unsigned char var_1_10 = 8; [L28] unsigned char var_1_11 = 5; [L29] unsigned char var_1_12 = 1; [L30] unsigned char var_1_13 = 1; [L31] unsigned char var_1_14 = 8; [L80] isInitial = 1 [L81] FCALL initially() [L82] COND TRUE 1 [L83] FCALL updateLastVariables() [L84] CALL updateVariables() [L62] var_1_3 = __VERIFIER_nondet_float() [L63] CALL assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_4=17/5, var_1_5=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_4=17/5, var_1_5=32, var_1_9=1] [L63] RET assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_4=17/5, var_1_5=32, var_1_9=1] [L64] var_1_4 = __VERIFIER_nondet_float() [L65] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L65] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=8, var_1_11=5, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L66] var_1_11 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L67] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=8, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L68] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L68] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L69] var_1_13 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L70] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L71] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L71] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=8, var_1_1=5/2, var_1_5=32, var_1_9=1] [L84] RET updateVariables() [L85] CALL step() [L35] var_1_12 = var_1_13 [L36] var_1_14 = var_1_11 VAL [isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=254, var_1_1=5/2, var_1_5=32, var_1_9=1] [L37] COND TRUE \read(var_1_12) [L38] var_1_1 = var_1_3 VAL [isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=254, var_1_1=1275, var_1_3=1275, var_1_5=32, var_1_9=1] [L44] COND TRUE (var_1_1 + 8.125) > (var_1_1 * var_1_3) [L45] var_1_5 = (((((var_1_14 + var_1_14)) > (var_1_14)) ? ((var_1_14 + var_1_14)) : (var_1_14))) VAL [isInitial=1, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=254, var_1_1=1275, var_1_3=1275, var_1_5=508, var_1_9=1] [L49] signed long int stepLocal_0 = 5 * var_1_14; VAL [isInitial=1, stepLocal_0=1270, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=254, var_1_1=1275, var_1_3=1275, var_1_5=508, var_1_9=1] [L50] COND FALSE !(((((var_1_3) < (var_1_1)) ? (var_1_3) : (var_1_1))) == var_1_1) VAL [isInitial=1, stepLocal_0=1270, var_1_10=8, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=254, var_1_1=1275, var_1_3=1275, var_1_5=508, var_1_9=1] [L57] COND TRUE var_1_1 < var_1_3 [L58] var_1_10 = var_1_11 VAL [isInitial=1, stepLocal_0=1270, var_1_10=254, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=254, var_1_1=1275, var_1_3=1275, var_1_5=508, var_1_9=1] [L85] RET step() [L86] CALL, EXPR property() [L76-L77] return (((((var_1_12 ? (var_1_1 == ((float) var_1_3)) : ((! (var_1_3 < var_1_4)) ? (var_1_1 == ((float) ((((var_1_3) < 0 ) ? -(var_1_3) : (var_1_3))))) : 1)) && (((var_1_1 + 8.125) > (var_1_1 * var_1_3)) ? (var_1_5 == ((unsigned short int) (((((var_1_14 + var_1_14)) > (var_1_14)) ? ((var_1_14 + var_1_14)) : (var_1_14))))) : (var_1_5 == ((unsigned short int) var_1_14)))) && ((((((var_1_3) < (var_1_1)) ? (var_1_3) : (var_1_1))) == var_1_1) ? ((var_1_14 > (5 * var_1_14)) ? ((var_1_1 < (var_1_1 * 256.5f)) ? (var_1_9 == ((unsigned short int) var_1_14)) : 1) : 1) : 1)) && ((var_1_1 < var_1_3) ? (var_1_10 == ((unsigned char) var_1_11)) : 1)) && (var_1_12 == ((unsigned char) var_1_13))) && (var_1_14 == ((unsigned char) var_1_11)) ; [L86] RET, EXPR property() [L86] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=254, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=254, var_1_1=1275, var_1_3=1275, var_1_5=508, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=254, var_1_11=254, var_1_12=1, var_1_13=1, var_1_14=254, var_1_1=1275, var_1_3=1275, var_1_5=508, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 38 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 88 NumberOfCodeBlocks, 88 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 43 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 60/60 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-29 00:04:40,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/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_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya --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 5ee0f2b669f52dc2ec9ba8ed67fd3d51fd0faec67e2228451bf3cfc69d5760a0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:04:42,712 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:04:42,785 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 00:04:42,800 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:04:42,800 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:04:42,832 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:04:42,833 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:04:42,833 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:04:42,834 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 00:04:42,835 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 00:04:42,836 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:04:42,836 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:04:42,837 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:04:42,838 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:04:42,839 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:04:42,839 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:04:42,840 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:04:42,841 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 00:04:42,841 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 00:04:42,842 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:04:42,842 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:04:42,843 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:04:42,843 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:04:42,844 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 00:04:42,844 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 00:04:42,845 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 00:04:42,845 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 00:04:42,846 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:04:42,846 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:04:42,847 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:04:42,847 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:04:42,848 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 00:04:42,848 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:04:42,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:04:42,849 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:04:42,849 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:04:42,849 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:04:42,850 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 00:04:42,850 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 00:04:42,850 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:04:42,850 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:04:42,851 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:04:42,851 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:04:42,851 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:04:42,851 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 00:04:42,852 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_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ee0f2b669f52dc2ec9ba8ed67fd3d51fd0faec67e2228451bf3cfc69d5760a0 [2023-11-29 00:04:43,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:04:43,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:04:43,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:04:43,238 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:04:43,239 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:04:43,241 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-29.i [2023-11-29 00:04:46,069 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:04:46,280 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:04:46,281 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-29.i [2023-11-29 00:04:46,290 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/data/5a6da34ef/446204360b134bcb881acc89bc0e7f9c/FLAG88df84961 [2023-11-29 00:04:46,303 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/data/5a6da34ef/446204360b134bcb881acc89bc0e7f9c [2023-11-29 00:04:46,306 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:04:46,307 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:04:46,309 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:04:46,309 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:04:46,313 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:04:46,314 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:04:46" (1/1) ... [2023-11-29 00:04:46,315 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f5a6541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:46, skipping insertion in model container [2023-11-29 00:04:46,315 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:04:46" (1/1) ... [2023-11-29 00:04:46,344 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:04:46,510 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-29.i[913,926] [2023-11-29 00:04:46,549 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:04:46,567 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:04:46,582 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-29.i[913,926] [2023-11-29 00:04:46,602 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:04:46,622 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:04:46,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:46 WrapperNode [2023-11-29 00:04:46,623 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:04:46,624 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:04:46,624 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:04:46,624 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:04:46,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:46" (1/1) ... [2023-11-29 00:04:46,645 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:46" (1/1) ... [2023-11-29 00:04:46,672 INFO L138 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 78 [2023-11-29 00:04:46,672 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:04:46,673 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:04:46,673 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:04:46,673 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:04:46,685 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:46" (1/1) ... [2023-11-29 00:04:46,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:46" (1/1) ... [2023-11-29 00:04:46,690 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:46" (1/1) ... [2023-11-29 00:04:46,703 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]. [2023-11-29 00:04:46,703 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:46" (1/1) ... [2023-11-29 00:04:46,703 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:46" (1/1) ... [2023-11-29 00:04:46,714 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:46" (1/1) ... [2023-11-29 00:04:46,717 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:46" (1/1) ... [2023-11-29 00:04:46,720 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:46" (1/1) ... [2023-11-29 00:04:46,722 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:46" (1/1) ... [2023-11-29 00:04:46,726 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:04:46,727 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:04:46,728 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:04:46,728 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:04:46,729 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:46" (1/1) ... [2023-11-29 00:04:46,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:04:46,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:04:46,762 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:04:46,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:04:46,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:04:46,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 00:04:46,800 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 00:04:46,800 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 00:04:46,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:04:46,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:04:46,888 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:04:46,890 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:04:55,347 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:04:55,387 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:04:55,387 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 00:04:55,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:04:55 BoogieIcfgContainer [2023-11-29 00:04:55,388 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:04:55,391 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:04:55,392 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:04:55,394 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:04:55,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:04:46" (1/3) ... [2023-11-29 00:04:55,395 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b01a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:04:55, skipping insertion in model container [2023-11-29 00:04:55,395 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:46" (2/3) ... [2023-11-29 00:04:55,396 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b01a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:04:55, skipping insertion in model container [2023-11-29 00:04:55,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:04:55" (3/3) ... [2023-11-29 00:04:55,397 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-29.i [2023-11-29 00:04:55,411 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:04:55,412 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 00:04:55,452 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:04:55,457 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4c3306b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:04:55,457 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 00:04:55,461 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 23 states have internal predecessors, (34), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 00:04:55,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-29 00:04:55,470 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:04:55,471 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:04:55,471 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:04:55,478 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:04:55,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1292987908, now seen corresponding path program 1 times [2023-11-29 00:04:55,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:04:55,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [733810449] [2023-11-29 00:04:55,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:04:55,491 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:04:55,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:04:55,492 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:04:55,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-29 00:04:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:04:55,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 00:04:55,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:04:55,799 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-11-29 00:04:55,799 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:04:55,799 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:04:55,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [733810449] [2023-11-29 00:04:55,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [733810449] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:04:55,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:04:55,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:04:55,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82885713] [2023-11-29 00:04:55,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:04:55,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 00:04:55,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:04:55,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 00:04:55,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 00:04:55,830 INFO L87 Difference]: Start difference. First operand has 31 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 23 states have internal predecessors, (34), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-29 00:04:59,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.63s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:04:59,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:04:59,493 INFO L93 Difference]: Finished difference Result 59 states and 96 transitions. [2023-11-29 00:04:59,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 00:04:59,524 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 44 [2023-11-29 00:04:59,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:04:59,531 INFO L225 Difference]: With dead ends: 59 [2023-11-29 00:04:59,531 INFO L226 Difference]: Without dead ends: 29 [2023-11-29 00:04:59,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 00:04:59,537 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-29 00:04:59,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-11-29 00:04:59,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2023-11-29 00:04:59,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2023-11-29 00:04:59,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 21 states have (on average 1.380952380952381) internal successors, (29), 21 states have internal predecessors, (29), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 00:04:59,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 41 transitions. [2023-11-29 00:04:59,579 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 41 transitions. Word has length 44 [2023-11-29 00:04:59,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:04:59,579 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 41 transitions. [2023-11-29 00:04:59,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-29 00:04:59,580 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2023-11-29 00:04:59,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-29 00:04:59,582 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:04:59,583 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:04:59,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-29 00:04:59,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:04:59,784 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:04:59,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:04:59,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1672929280, now seen corresponding path program 1 times [2023-11-29 00:04:59,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:04:59,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [442362527] [2023-11-29 00:04:59,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:04:59,786 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:04:59,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:04:59,787 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:04:59,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:05:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:05:00,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 00:05:00,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:05:00,113 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-29 00:05:00,113 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:05:00,113 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:05:00,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [442362527] [2023-11-29 00:05:00,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [442362527] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:05:00,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:05:00,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:05:00,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609715785] [2023-11-29 00:05:00,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:05:00,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:05:00,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:05:00,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:05:00,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:05:00,117 INFO L87 Difference]: Start difference. First operand 29 states and 41 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-29 00:05:01,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:05:04,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:05:06,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:05:08,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:05:10,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:05:10,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:05:10,597 INFO L93 Difference]: Finished difference Result 69 states and 98 transitions. [2023-11-29 00:05:10,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:05:10,598 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 44 [2023-11-29 00:05:10,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:05:10,599 INFO L225 Difference]: With dead ends: 69 [2023-11-29 00:05:10,599 INFO L226 Difference]: Without dead ends: 41 [2023-11-29 00:05:10,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:05:10,602 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 12 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2023-11-29 00:05:10,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 57 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 10.5s Time] [2023-11-29 00:05:10,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-11-29 00:05:10,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 35. [2023-11-29 00:05:10,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 27 states have (on average 1.4444444444444444) internal successors, (39), 27 states have internal predecessors, (39), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 00:05:10,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 51 transitions. [2023-11-29 00:05:10,612 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 51 transitions. Word has length 44 [2023-11-29 00:05:10,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:05:10,614 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 51 transitions. [2023-11-29 00:05:10,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-29 00:05:10,614 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2023-11-29 00:05:10,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-29 00:05:10,616 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:05:10,616 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:05:10,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/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)] Ended with exit code 0 [2023-11-29 00:05:10,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:05:10,817 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:05:10,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:05:10,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1672869698, now seen corresponding path program 1 times [2023-11-29 00:05:10,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:05:10,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1025423144] [2023-11-29 00:05:10,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:05:10,818 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:05:10,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:05:10,833 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:05:10,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 00:05:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:05:11,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 00:05:11,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:05:12,425 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-29 00:05:12,425 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:05:12,952 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-29 00:05:12,952 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:05:12,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1025423144] [2023-11-29 00:05:12,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1025423144] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:05:12,953 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:05:12,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2023-11-29 00:05:12,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510158077] [2023-11-29 00:05:12,953 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:05:12,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 00:05:12,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:05:12,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 00:05:12,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-11-29 00:05:12,956 INFO L87 Difference]: Start difference. First operand 35 states and 51 transitions. Second operand has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 4 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2023-11-29 00:05:15,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:05:17,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:05:20,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.90s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:05:23,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.98s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:05:27,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.44s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:05:30,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.14s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:05:30,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:05:30,599 INFO L93 Difference]: Finished difference Result 88 states and 120 transitions. [2023-11-29 00:05:30,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 00:05:30,599 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 4 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) Word has length 44 [2023-11-29 00:05:30,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:05:30,601 INFO L225 Difference]: With dead ends: 88 [2023-11-29 00:05:30,601 INFO L226 Difference]: Without dead ends: 54 [2023-11-29 00:05:30,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2023-11-29 00:05:30,603 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 140 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:05:30,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 68 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 17.2s Time] [2023-11-29 00:05:30,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-29 00:05:30,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 39. [2023-11-29 00:05:30,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 30 states have internal predecessors, (41), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 00:05:30,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 53 transitions. [2023-11-29 00:05:30,611 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 53 transitions. Word has length 44 [2023-11-29 00:05:30,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:05:30,611 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 53 transitions. [2023-11-29 00:05:30,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 4 states have call successors, (12), 3 states have call predecessors, (12), 4 states have return successors, (12), 2 states have call predecessors, (12), 4 states have call successors, (12) [2023-11-29 00:05:30,612 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2023-11-29 00:05:30,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-29 00:05:30,613 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:05:30,613 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:05:30,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/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)] Ended with exit code 0 [2023-11-29 00:05:30,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:05:30,814 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:05:30,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:05:30,815 INFO L85 PathProgramCache]: Analyzing trace with hash -729863442, now seen corresponding path program 1 times [2023-11-29 00:05:30,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:05:30,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1019797421] [2023-11-29 00:05:30,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:05:30,815 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:05:30,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:05:30,816 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:05:30,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6570f39f-21d8-4cfb-84b6-8f3d0bc7da0e/bin/uautomizer-verify-BQ2R08f2Ya/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 (5)] Waiting until timeout for monitored process [2023-11-29 00:05:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:05:31,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-29 00:05:31,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:05:47,875 WARN L293 SmtUtils]: Spent 5.15s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:05:53,923 WARN L293 SmtUtils]: Spent 6.05s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:07:50,926 WARN L293 SmtUtils]: Spent 38.53s on a formula simplification. DAG size of input: 45 DAG size of output: 34 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)