./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/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_654b8134-faca-4d8b-a05c-1287943fc56c/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/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_654b8134-faca-4d8b-a05c-1287943fc56c/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 22d48377ba2b5807c6e679e35c40cf38e830cbb9db14f8a42a5558451489d0b8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:40:24,412 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:40:24,475 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 04:40:24,481 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:40:24,481 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:40:24,506 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:40:24,506 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:40:24,507 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:40:24,508 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:40:24,508 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:40:24,509 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:40:24,509 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:40:24,510 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:40:24,511 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:40:24,511 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:40:24,512 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:40:24,513 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:40:24,513 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:40:24,514 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:40:24,514 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:40:24,515 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:40:24,515 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:40:24,516 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:40:24,516 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:40:24,517 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:40:24,517 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:40:24,518 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:40:24,518 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:40:24,519 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:40:24,519 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:40:24,519 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:40:24,520 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:40:24,520 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:40:24,520 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:40:24,520 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:40:24,520 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:40:24,521 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:40:24,521 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:40:24,521 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:40:24,521 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:40:24,521 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:40:24,522 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:40:24,522 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_654b8134-faca-4d8b-a05c-1287943fc56c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22d48377ba2b5807c6e679e35c40cf38e830cbb9db14f8a42a5558451489d0b8 [2023-11-29 04:40:24,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:40:24,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:40:24,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:40:24,774 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:40:24,775 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:40:24,776 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-1.i [2023-11-29 04:40:27,613 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:40:27,824 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:40:27,824 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-1.i [2023-11-29 04:40:27,833 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/bin/uautomizer-verify-BQ2R08f2Ya/data/45974bf79/e1afc74fe59b4d329484537639640172/FLAG21ab3c4c8 [2023-11-29 04:40:27,846 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/bin/uautomizer-verify-BQ2R08f2Ya/data/45974bf79/e1afc74fe59b4d329484537639640172 [2023-11-29 04:40:27,849 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:40:27,850 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:40:27,851 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:40:27,851 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:40:27,857 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:40:27,858 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:40:27" (1/1) ... [2023-11-29 04:40:27,859 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e926b40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:27, skipping insertion in model container [2023-11-29 04:40:27,859 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:40:27" (1/1) ... [2023-11-29 04:40:27,889 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:40:28,033 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_654b8134-faca-4d8b-a05c-1287943fc56c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-1.i[912,925] [2023-11-29 04:40:28,075 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:40:28,088 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:40:28,098 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_654b8134-faca-4d8b-a05c-1287943fc56c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-1.i[912,925] [2023-11-29 04:40:28,115 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:40:28,128 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:40:28,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:28 WrapperNode [2023-11-29 04:40:28,128 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:40:28,129 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:40:28,129 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:40:28,130 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:40:28,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:28" (1/1) ... [2023-11-29 04:40:28,143 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:28" (1/1) ... [2023-11-29 04:40:28,170 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 120 [2023-11-29 04:40:28,170 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:40:28,171 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:40:28,171 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:40:28,171 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:40:28,182 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:28" (1/1) ... [2023-11-29 04:40:28,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:28" (1/1) ... [2023-11-29 04:40:28,185 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:28" (1/1) ... [2023-11-29 04:40:28,196 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 04:40:28,196 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:28" (1/1) ... [2023-11-29 04:40:28,197 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:28" (1/1) ... [2023-11-29 04:40:28,204 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:28" (1/1) ... [2023-11-29 04:40:28,207 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:28" (1/1) ... [2023-11-29 04:40:28,209 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:28" (1/1) ... [2023-11-29 04:40:28,210 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:28" (1/1) ... [2023-11-29 04:40:28,212 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:40:28,213 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:40:28,213 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:40:28,213 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:40:28,214 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:28" (1/1) ... [2023-11-29 04:40:28,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:40:28,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:40:28,244 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:40:28,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:40:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:40:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 04:40:28,290 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 04:40:28,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 04:40:28,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:40:28,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:40:28,380 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:40:28,382 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:40:28,648 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:40:28,685 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:40:28,686 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 04:40:28,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:40:28 BoogieIcfgContainer [2023-11-29 04:40:28,686 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:40:28,690 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:40:28,690 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:40:28,694 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:40:28,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:40:27" (1/3) ... [2023-11-29 04:40:28,695 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4403a5ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:40:28, skipping insertion in model container [2023-11-29 04:40:28,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:28" (2/3) ... [2023-11-29 04:40:28,696 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4403a5ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:40:28, skipping insertion in model container [2023-11-29 04:40:28,696 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:40:28" (3/3) ... [2023-11-29 04:40:28,697 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-1.i [2023-11-29 04:40:28,714 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:40:28,714 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 04:40:28,760 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:40:28,766 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;@6699da11, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:40:28,766 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 04:40:28,770 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 32 states have (on average 1.4375) internal successors, (46), 33 states have internal predecessors, (46), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 04:40:28,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-29 04:40:28,780 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:40:28,781 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:40:28,782 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:40:28,786 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:40:28,786 INFO L85 PathProgramCache]: Analyzing trace with hash 951006132, now seen corresponding path program 1 times [2023-11-29 04:40:28,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:40:28,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818385137] [2023-11-29 04:40:28,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:40:28,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:40:28,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:40:28,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 04:40:28,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:40:28,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-29 04:40:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:40:28,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-29 04:40:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:40:29,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-29 04:40:29,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:40:29,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-29 04:40:29,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:40:29,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-29 04:40:29,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:40:29,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2023-11-29 04:40:29,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:40:29,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2023-11-29 04:40:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:40:29,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2023-11-29 04:40:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:40:29,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-11-29 04:40:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:40:29,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-29 04:40:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:40:29,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2023-11-29 04:40:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:40:29,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-11-29 04:40:29,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:40:29,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-29 04:40:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:40:29,075 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-29 04:40:29,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:40:29,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818385137] [2023-11-29 04:40:29,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818385137] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:40:29,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:40:29,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:40:29,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523346110] [2023-11-29 04:40:29,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:40:29,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 04:40:29,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:40:29,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 04:40:29,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:40:29,117 INFO L87 Difference]: Start difference. First operand has 49 states, 32 states have (on average 1.4375) internal successors, (46), 33 states have internal predecessors, (46), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 04:40:29,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:40:29,171 INFO L93 Difference]: Finished difference Result 95 states and 160 transitions. [2023-11-29 04:40:29,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 04:40:29,174 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 92 [2023-11-29 04:40:29,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:40:29,181 INFO L225 Difference]: With dead ends: 95 [2023-11-29 04:40:29,182 INFO L226 Difference]: Without dead ends: 47 [2023-11-29 04:40:29,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 44 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 04:40:29,189 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:40:29,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:40:29,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2023-11-29 04:40:29,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2023-11-29 04:40:29,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 31 states have internal predecessors, (41), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 04:40:29,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 69 transitions. [2023-11-29 04:40:29,236 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 69 transitions. Word has length 92 [2023-11-29 04:40:29,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:40:29,237 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 69 transitions. [2023-11-29 04:40:29,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 04:40:29,237 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 69 transitions. [2023-11-29 04:40:29,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-29 04:40:29,242 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:40:29,242 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:40:29,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 04:40:29,243 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:40:29,243 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:40:29,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1750504084, now seen corresponding path program 1 times [2023-11-29 04:40:29,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:40:29,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420727552] [2023-11-29 04:40:29,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:40:29,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:40:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:40:29,333 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 04:40:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 04:40:29,429 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 04:40:29,429 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 04:40:29,431 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 04:40:29,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 04:40:29,437 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-29 04:40:29,441 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 04:40:29,495 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 04:40:29,497 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated [2023-11-29 04:40:29,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 04:40:29 BoogieIcfgContainer [2023-11-29 04:40:29,513 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 04:40:29,514 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:40:29,514 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:40:29,514 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:40:29,515 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:40:28" (3/4) ... [2023-11-29 04:40:29,517 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 04:40:29,518 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:40:29,519 INFO L158 Benchmark]: Toolchain (without parser) took 1668.78ms. Allocated memory is still 157.3MB. Free memory was 123.1MB in the beginning and 102.8MB in the end (delta: 20.3MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2023-11-29 04:40:29,519 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 157.3MB. Free memory is still 129.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:40:29,520 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.65ms. Allocated memory is still 157.3MB. Free memory was 123.1MB in the beginning and 110.7MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 04:40:29,521 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.72ms. Allocated memory is still 157.3MB. Free memory was 110.7MB in the beginning and 108.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:40:29,521 INFO L158 Benchmark]: Boogie Preprocessor took 41.62ms. Allocated memory is still 157.3MB. Free memory was 108.6MB in the beginning and 106.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:40:29,522 INFO L158 Benchmark]: RCFGBuilder took 473.70ms. Allocated memory is still 157.3MB. Free memory was 106.0MB in the beginning and 88.1MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 04:40:29,522 INFO L158 Benchmark]: TraceAbstraction took 823.35ms. Allocated memory is still 157.3MB. Free memory was 87.6MB in the beginning and 102.8MB in the end (delta: -15.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:40:29,523 INFO L158 Benchmark]: Witness Printer took 4.29ms. Allocated memory is still 157.3MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:40:29,526 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 157.3MB. Free memory is still 129.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 277.65ms. Allocated memory is still 157.3MB. Free memory was 123.1MB in the beginning and 110.7MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.72ms. Allocated memory is still 157.3MB. Free memory was 110.7MB in the beginning and 108.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.62ms. Allocated memory is still 157.3MB. Free memory was 108.6MB in the beginning and 106.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 473.70ms. Allocated memory is still 157.3MB. Free memory was 106.0MB in the beginning and 88.1MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 823.35ms. Allocated memory is still 157.3MB. Free memory was 87.6MB in the beginning and 102.8MB in the end (delta: -15.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.29ms. Allocated memory is still 157.3MB. Free memory is still 102.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 97, overapproximation of someUnaryFLOAToperation at line 40. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 5.5; [L23] float var_1_2 = 10.375; [L24] float var_1_3 = 127.5; [L25] float var_1_4 = 256.2; [L26] unsigned char var_1_5 = 1; [L27] signed long int var_1_6 = 5; [L28] unsigned char var_1_7 = 1; [L29] signed long int var_1_10 = 32; [L30] signed long int var_1_11 = 2; [L31] unsigned long int var_1_12 = 16; [L32] unsigned char var_1_13 = 50; [L33] signed long int var_1_15 = 100000000; [L34] signed short int var_1_16 = 2; [L35] unsigned long int last_1_var_1_12 = 16; [L101] isInitial = 1 [L102] FCALL initially() [L103] COND TRUE 1 [L104] CALL updateLastVariables() [L94] last_1_var_1_12 = var_1_12 [L104] RET updateLastVariables() [L105] CALL updateVariables() [L70] var_1_2 = __VERIFIER_nondet_float() [L71] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=255/2, var_1_4=1281/5, var_1_5=1, var_1_6=5, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=255/2, var_1_4=1281/5, var_1_5=1, var_1_6=5, var_1_7=1] [L71] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_3=255/2, var_1_4=1281/5, var_1_5=1, var_1_6=5, var_1_7=1] [L72] var_1_3 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_4=1281/5, var_1_5=1, var_1_6=5, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_4=1281/5, var_1_5=1, var_1_6=5, var_1_7=1] [L73] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_4=1281/5, var_1_5=1, var_1_6=5, var_1_7=1] [L74] var_1_4 = __VERIFIER_nondet_float() [L75] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=1] [L75] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=1] [L76] var_1_5 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_6=5, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_6=5, var_1_7=1] [L77] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_6=5, var_1_7=1] [L78] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=1] [L78] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=1] [L79] var_1_7 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5] [L80] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5] [L81] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=0] [L81] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=32, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=0] [L82] var_1_10 = __VERIFIER_nondet_long() [L83] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=0] [L83] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=0] [L84] CALL assume_abort_if_not(var_1_10 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=0] [L84] RET assume_abort_if_not(var_1_10 <= 1073741823) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=2, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=0] [L85] var_1_11 = __VERIFIER_nondet_long() [L86] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=0] [L86] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=0] [L87] CALL assume_abort_if_not(var_1_11 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=0] [L87] RET assume_abort_if_not(var_1_11 <= 1073741823) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=50, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=0] [L88] var_1_13 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=0] [L89] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=0] [L90] CALL assume_abort_if_not(var_1_13 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=0] [L90] RET assume_abort_if_not(var_1_13 <= 255) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=0] [L91] CALL assume_abort_if_not(var_1_13 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=0] [L91] RET assume_abort_if_not(var_1_13 != 0) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=100000000, var_1_16=2, var_1_1=11/2, var_1_5=1, var_1_6=5, var_1_7=0] [L105] RET updateVariables() [L106] CALL step() [L39] COND TRUE var_1_2 <= (- var_1_3) [L40] var_1_1 = ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=100000000, var_1_16=2, var_1_1=100000005, var_1_4=100000005, var_1_5=1, var_1_6=5, var_1_7=0] [L48] var_1_16 = var_1_13 [L49] unsigned char stepLocal_0 = var_1_7; VAL [isInitial=1, last_1_var_1_12=16, stepLocal_0=0, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=100000000, var_1_16=1, var_1_1=100000005, var_1_4=100000005, var_1_5=1, var_1_6=5, var_1_7=0] [L50] COND TRUE var_1_5 || stepLocal_0 [L51] var_1_6 = ((((var_1_16) > (var_1_16)) ? (var_1_16) : (var_1_16))) VAL [isInitial=1, last_1_var_1_12=16, stepLocal_0=0, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=100000000, var_1_16=1, var_1_1=100000005, var_1_4=100000005, var_1_5=1, var_1_6=1, var_1_7=0] [L55] signed long int stepLocal_3 = var_1_11; [L56] signed long int stepLocal_2 = var_1_16 + var_1_11; VAL [isInitial=1, last_1_var_1_12=16, stepLocal_0=0, stepLocal_2=1, stepLocal_3=0, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=100000000, var_1_16=1, var_1_1=100000005, var_1_4=100000005, var_1_5=1, var_1_6=1, var_1_7=0] [L57] EXPR var_1_11 << var_1_16 VAL [isInitial=1, last_1_var_1_12=16, stepLocal_0=0, stepLocal_2=1, stepLocal_3=0, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=100000000, var_1_16=1, var_1_1=100000005, var_1_4=100000005, var_1_5=1, var_1_6=1, var_1_7=0] [L57] signed long int stepLocal_1 = var_1_11 << var_1_16; [L58] COND FALSE !(stepLocal_1 != ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10)))) VAL [isInitial=1, last_1_var_1_12=16, stepLocal_0=0, stepLocal_1=0, stepLocal_2=1, stepLocal_3=0, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=100000000, var_1_16=1, var_1_1=100000005, var_1_4=100000005, var_1_5=1, var_1_6=1, var_1_7=0] [L67] var_1_15 = var_1_16 [L106] RET step() [L107] CALL, EXPR property() [L97] EXPR (((var_1_2 <= (- var_1_3)) ? (var_1_1 == ((float) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : (var_1_5 ? (var_1_1 == ((float) var_1_4)) : (var_1_1 == ((float) var_1_4)))) && ((var_1_5 || var_1_7) ? (var_1_6 == ((signed long int) ((((var_1_16) > (var_1_16)) ? (var_1_16) : (var_1_16))))) : (var_1_6 == ((signed long int) ((var_1_10 + var_1_11) - 4))))) && (((var_1_11 << var_1_16) != ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10)))) ? (((var_1_16 % var_1_13) >= var_1_11) ? (((var_1_16 + var_1_11) > (last_1_var_1_12 * var_1_16)) ? (var_1_12 == ((unsigned long int) var_1_13)) : (var_1_12 == ((unsigned long int) var_1_10))) : 1) : 1) VAL [isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=1, var_1_16=1, var_1_1=100000005, var_1_4=100000005, var_1_5=1, var_1_6=1, var_1_7=0] [L97-L98] return (((((var_1_2 <= (- var_1_3)) ? (var_1_1 == ((float) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : (var_1_5 ? (var_1_1 == ((float) var_1_4)) : (var_1_1 == ((float) var_1_4)))) && ((var_1_5 || var_1_7) ? (var_1_6 == ((signed long int) ((((var_1_16) > (var_1_16)) ? (var_1_16) : (var_1_16))))) : (var_1_6 == ((signed long int) ((var_1_10 + var_1_11) - 4))))) && (((var_1_11 << var_1_16) != ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10)))) ? (((var_1_16 % var_1_13) >= var_1_11) ? (((var_1_16 + var_1_11) > (last_1_var_1_12 * var_1_16)) ? (var_1_12 == ((unsigned long int) var_1_13)) : (var_1_12 == ((unsigned long int) var_1_10))) : 1) : 1)) && (var_1_15 == ((signed long int) var_1_16))) && (var_1_16 == ((signed short int) var_1_13)) ; [L107] RET, EXPR property() [L107] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=1, var_1_16=1, var_1_1=100000005, var_1_4=100000005, var_1_5=1, var_1_6=1, var_1_7=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=16, var_1_10=0, var_1_11=0, var_1_12=16, var_1_13=1, var_1_15=1, var_1_16=1, var_1_1=100000005, var_1_4=100000005, var_1_5=1, var_1_6=1, var_1_7=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 14, 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, 65 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 65 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred 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, 0.2s InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 91 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 364/364 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 04:40:29,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/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_654b8134-faca-4d8b-a05c-1287943fc56c/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/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_654b8134-faca-4d8b-a05c-1287943fc56c/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 22d48377ba2b5807c6e679e35c40cf38e830cbb9db14f8a42a5558451489d0b8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:40:31,542 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:40:31,622 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 04:40:31,629 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:40:31,629 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:40:31,658 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:40:31,659 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:40:31,660 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:40:31,661 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:40:31,661 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:40:31,662 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:40:31,662 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:40:31,663 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:40:31,664 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:40:31,664 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:40:31,665 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:40:31,666 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:40:31,666 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:40:31,667 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:40:31,667 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:40:31,667 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:40:31,668 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:40:31,669 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:40:31,669 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 04:40:31,669 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 04:40:31,670 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 04:40:31,670 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:40:31,671 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:40:31,671 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:40:31,671 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:40:31,672 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:40:31,672 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:40:31,673 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:40:31,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:40:31,673 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:40:31,673 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:40:31,674 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:40:31,674 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 04:40:31,674 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 04:40:31,674 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:40:31,675 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:40:31,675 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:40:31,675 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:40:31,675 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:40:31,676 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 04:40:31,676 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_654b8134-faca-4d8b-a05c-1287943fc56c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22d48377ba2b5807c6e679e35c40cf38e830cbb9db14f8a42a5558451489d0b8 [2023-11-29 04:40:31,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:40:32,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:40:32,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:40:32,013 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:40:32,014 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:40:32,015 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-1.i [2023-11-29 04:40:34,830 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:40:35,002 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:40:35,004 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-1.i [2023-11-29 04:40:35,013 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/bin/uautomizer-verify-BQ2R08f2Ya/data/155830266/df44a62e6f604cc3a8e0443be412d68b/FLAGf57652dd9 [2023-11-29 04:40:35,028 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/bin/uautomizer-verify-BQ2R08f2Ya/data/155830266/df44a62e6f604cc3a8e0443be412d68b [2023-11-29 04:40:35,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:40:35,033 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:40:35,035 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:40:35,035 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:40:35,040 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:40:35,041 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:40:35" (1/1) ... [2023-11-29 04:40:35,042 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e43fe4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:35, skipping insertion in model container [2023-11-29 04:40:35,042 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:40:35" (1/1) ... [2023-11-29 04:40:35,068 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:40:35,194 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_654b8134-faca-4d8b-a05c-1287943fc56c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-1.i[912,925] [2023-11-29 04:40:35,234 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:40:35,252 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:40:35,264 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_654b8134-faca-4d8b-a05c-1287943fc56c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-1.i[912,925] [2023-11-29 04:40:35,288 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:40:35,306 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:40:35,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:35 WrapperNode [2023-11-29 04:40:35,307 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:40:35,308 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:40:35,308 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:40:35,308 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:40:35,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:35" (1/1) ... [2023-11-29 04:40:35,341 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:35" (1/1) ... [2023-11-29 04:40:35,372 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 106 [2023-11-29 04:40:35,372 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:40:35,373 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:40:35,374 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:40:35,374 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:40:35,384 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:35" (1/1) ... [2023-11-29 04:40:35,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:35" (1/1) ... [2023-11-29 04:40:35,390 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:35" (1/1) ... [2023-11-29 04:40:35,404 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 04:40:35,404 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:35" (1/1) ... [2023-11-29 04:40:35,404 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:35" (1/1) ... [2023-11-29 04:40:35,415 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:35" (1/1) ... [2023-11-29 04:40:35,420 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:35" (1/1) ... [2023-11-29 04:40:35,423 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:35" (1/1) ... [2023-11-29 04:40:35,425 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:35" (1/1) ... [2023-11-29 04:40:35,430 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:40:35,431 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:40:35,431 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:40:35,432 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:40:35,433 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:35" (1/1) ... [2023-11-29 04:40:35,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:40:35,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:40:35,464 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:40:35,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:40:35,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:40:35,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 04:40:35,501 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 04:40:35,501 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 04:40:35,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:40:35,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:40:35,578 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:40:35,581 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:40:35,990 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:40:36,045 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:40:36,045 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 04:40:36,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:40:36 BoogieIcfgContainer [2023-11-29 04:40:36,046 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:40:36,049 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:40:36,050 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:40:36,053 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:40:36,054 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:40:35" (1/3) ... [2023-11-29 04:40:36,054 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a1651b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:40:36, skipping insertion in model container [2023-11-29 04:40:36,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:40:35" (2/3) ... [2023-11-29 04:40:36,055 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a1651b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:40:36, skipping insertion in model container [2023-11-29 04:40:36,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:40:36" (3/3) ... [2023-11-29 04:40:36,057 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-1.i [2023-11-29 04:40:36,080 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:40:36,080 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 04:40:36,139 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:40:36,147 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;@14f55a27, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:40:36,148 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 04:40:36,153 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 27 states have internal predecessors, (37), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 04:40:36,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-29 04:40:36,167 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:40:36,168 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:40:36,168 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:40:36,174 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:40:36,175 INFO L85 PathProgramCache]: Analyzing trace with hash -484585255, now seen corresponding path program 1 times [2023-11-29 04:40:36,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:40:36,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2130492874] [2023-11-29 04:40:36,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:40:36,191 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 04:40:36,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:40:36,194 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/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 04:40:36,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/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 04:40:36,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:40:36,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 04:40:36,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:40:36,506 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2023-11-29 04:40:36,506 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:40:36,507 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:40:36,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2130492874] [2023-11-29 04:40:36,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2130492874] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:40:36,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:40:36,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:40:36,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015345109] [2023-11-29 04:40:36,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:40:36,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 04:40:36,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:40:36,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 04:40:36,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:40:36,552 INFO L87 Difference]: Start difference. First operand has 43 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 27 states have internal predecessors, (37), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 04:40:36,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:40:36,665 INFO L93 Difference]: Finished difference Result 83 states and 142 transitions. [2023-11-29 04:40:36,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 04:40:36,673 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 88 [2023-11-29 04:40:36,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:40:36,678 INFO L225 Difference]: With dead ends: 83 [2023-11-29 04:40:36,678 INFO L226 Difference]: Without dead ends: 41 [2023-11-29 04:40:36,681 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 87 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 04:40:36,685 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:40:36,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 57 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 04:40:36,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-11-29 04:40:36,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-11-29 04:40:36,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 25 states have (on average 1.28) internal successors, (32), 25 states have internal predecessors, (32), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 04:40:36,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 60 transitions. [2023-11-29 04:40:36,728 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 60 transitions. Word has length 88 [2023-11-29 04:40:36,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:40:36,728 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 60 transitions. [2023-11-29 04:40:36,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-29 04:40:36,729 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2023-11-29 04:40:36,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-29 04:40:36,732 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:40:36,733 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:40:36,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/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 04:40:36,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/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 04:40:36,939 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:40:36,940 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:40:36,940 INFO L85 PathProgramCache]: Analyzing trace with hash -605444463, now seen corresponding path program 1 times [2023-11-29 04:40:36,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:40:36,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1950414917] [2023-11-29 04:40:36,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:40:36,941 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 04:40:36,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:40:36,942 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/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 04:40:36,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/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 04:40:37,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:40:37,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-29 04:40:37,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:44:44,443 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 208 proven. 51 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-29 04:44:44,444 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:46:39,328 WARN L293 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:46:59,144 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-29 04:46:59,144 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:46:59,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1950414917] [2023-11-29 04:46:59,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1950414917] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:46:59,145 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:46:59,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11] total 23 [2023-11-29 04:46:59,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402889266] [2023-11-29 04:46:59,145 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 04:46:59,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-29 04:46:59,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:46:59,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-29 04:46:59,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2023-11-29 04:46:59,150 INFO L87 Difference]: Start difference. First operand 41 states and 60 transitions. Second operand has 23 states, 23 states have (on average 2.130434782608696) internal successors, (49), 23 states have internal predecessors, (49), 4 states have call successors, (25), 3 states have call predecessors, (25), 6 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2023-11-29 04:47:09,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:47:09,322 INFO L93 Difference]: Finished difference Result 81 states and 105 transitions. [2023-11-29 04:47:09,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 04:47:09,323 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.130434782608696) internal successors, (49), 23 states have internal predecessors, (49), 4 states have call successors, (25), 3 states have call predecessors, (25), 6 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 88 [2023-11-29 04:47:09,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:47:09,326 INFO L225 Difference]: With dead ends: 81 [2023-11-29 04:47:09,326 INFO L226 Difference]: Without dead ends: 79 [2023-11-29 04:47:09,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 11.8s TimeCoverageRelationStatistics Valid=273, Invalid=917, Unknown=0, NotChecked=0, Total=1190 [2023-11-29 04:47:09,328 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 157 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2023-11-29 04:47:09,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 218 Invalid, 604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2023-11-29 04:47:09,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-29 04:47:09,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 55. [2023-11-29 04:47:09,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 37 states have internal predecessors, (46), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 04:47:09,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 74 transitions. [2023-11-29 04:47:09,339 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 74 transitions. Word has length 88 [2023-11-29 04:47:09,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:47:09,339 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 74 transitions. [2023-11-29 04:47:09,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.130434782608696) internal successors, (49), 23 states have internal predecessors, (49), 4 states have call successors, (25), 3 states have call predecessors, (25), 6 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2023-11-29 04:47:09,340 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2023-11-29 04:47:09,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-29 04:47:09,341 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:47:09,341 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:47:09,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/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 04:47:09,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/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 04:47:09,542 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:47:09,543 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:47:09,543 INFO L85 PathProgramCache]: Analyzing trace with hash -548186161, now seen corresponding path program 1 times [2023-11-29 04:47:09,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:47:09,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1931845008] [2023-11-29 04:47:09,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:47:09,544 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 04:47:09,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:47:09,545 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/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 04:47:09,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/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 04:47:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:47:09,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-29 04:47:09,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:49:58,707 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 208 proven. 51 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-29 04:49:58,708 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:53:36,151 WARN L293 SmtUtils]: Spent 25.42s on a formula simplification. DAG size of input: 180 DAG size of output: 60 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-11-29 04:53:43,738 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-29 04:53:43,738 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:53:43,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1931845008] [2023-11-29 04:53:43,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1931845008] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:53:43,739 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:53:43,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 24 [2023-11-29 04:53:43,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146613543] [2023-11-29 04:53:43,739 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 04:53:43,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-29 04:53:43,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:53:43,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-29 04:53:43,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=419, Unknown=0, NotChecked=0, Total=552 [2023-11-29 04:53:43,742 INFO L87 Difference]: Start difference. First operand 55 states and 74 transitions. Second operand has 24 states, 24 states have (on average 2.0416666666666665) internal successors, (49), 24 states have internal predecessors, (49), 5 states have call successors, (25), 3 states have call predecessors, (25), 6 states have return successors, (26), 5 states have call predecessors, (26), 5 states have call successors, (26) [2023-11-29 04:54:04,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:54:04,388 INFO L93 Difference]: Finished difference Result 87 states and 111 transitions. [2023-11-29 04:54:04,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-11-29 04:54:04,390 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 2.0416666666666665) internal successors, (49), 24 states have internal predecessors, (49), 5 states have call successors, (25), 3 states have call predecessors, (25), 6 states have return successors, (26), 5 states have call predecessors, (26), 5 states have call successors, (26) Word has length 88 [2023-11-29 04:54:04,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:54:04,392 INFO L225 Difference]: With dead ends: 87 [2023-11-29 04:54:04,392 INFO L226 Difference]: Without dead ends: 85 [2023-11-29 04:54:04,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 418 ImplicationChecksByTransitivity, 44.2s TimeCoverageRelationStatistics Valid=452, Invalid=1440, Unknown=0, NotChecked=0, Total=1892 [2023-11-29 04:54:04,394 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 169 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:54:04,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 221 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2023-11-29 04:54:04,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-11-29 04:54:04,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 55. [2023-11-29 04:54:04,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 37 states have internal predecessors, (46), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-29 04:54:04,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 74 transitions. [2023-11-29 04:54:04,407 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 74 transitions. Word has length 88 [2023-11-29 04:54:04,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:54:04,408 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 74 transitions. [2023-11-29 04:54:04,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.0416666666666665) internal successors, (49), 24 states have internal predecessors, (49), 5 states have call successors, (25), 3 states have call predecessors, (25), 6 states have return successors, (26), 5 states have call predecessors, (26), 5 states have call successors, (26) [2023-11-29 04:54:04,409 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2023-11-29 04:54:04,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-29 04:54:04,410 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:54:04,411 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:54:04,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/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 04:54:04,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/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 04:54:04,612 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 04:54:04,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:54:04,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1603868072, now seen corresponding path program 1 times [2023-11-29 04:54:04,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:54:04,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [117911460] [2023-11-29 04:54:04,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:54:04,613 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 04:54:04,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:54:04,614 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/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 04:54:04,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654b8134-faca-4d8b-a05c-1287943fc56c/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 04:54:04,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:54:04,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-29 04:54:04,848 INFO L285 TraceCheckSpWp]: Computing forward predicates...