./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-54.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_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-54.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme --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 3a25dd997c8fa9a929b53027dc2df9242a939d9c39053d10361ef45987787161 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:49:46,867 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:49:46,954 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 11:49:46,962 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:49:46,963 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:49:46,992 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:49:46,993 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:49:46,994 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:49:46,995 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:49:46,996 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:49:46,997 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:49:46,998 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:49:46,999 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:49:47,000 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:49:47,001 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:49:47,002 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:49:47,003 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:49:47,003 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:49:47,005 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:49:47,005 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:49:47,006 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:49:47,007 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:49:47,008 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:49:47,016 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:49:47,016 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:49:47,017 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:49:47,018 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:49:47,018 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:49:47,019 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:49:47,020 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:49:47,021 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:49:47,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:49:47,023 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:49:47,023 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:49:47,024 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:49:47,024 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:49:47,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:49:47,025 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:49:47,025 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:49:47,026 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:49:47,026 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:49:47,028 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:49:47,028 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_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a25dd997c8fa9a929b53027dc2df9242a939d9c39053d10361ef45987787161 [2023-11-26 11:49:47,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:49:47,479 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:49:47,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:49:47,484 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:49:47,485 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:49:47,487 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-54.i [2023-11-26 11:49:51,062 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:49:51,459 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:49:51,461 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d40886-4b9b-4f59-97c2-0457cae76921/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-54.i [2023-11-26 11:49:51,474 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme/data/dba3bf39b/77ae1bc6ea3f437184a13b3dc2639446/FLAGcbb2e58f6 [2023-11-26 11:49:51,496 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme/data/dba3bf39b/77ae1bc6ea3f437184a13b3dc2639446 [2023-11-26 11:49:51,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:49:51,514 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:49:51,516 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:49:51,516 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:49:51,523 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:49:51,524 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:49:51" (1/1) ... [2023-11-26 11:49:51,526 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42e861e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:51, skipping insertion in model container [2023-11-26 11:49:51,526 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:49:51" (1/1) ... [2023-11-26 11:49:51,578 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:49:51,775 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_40d40886-4b9b-4f59-97c2-0457cae76921/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-54.i[913,926] [2023-11-26 11:49:51,827 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:49:51,842 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:49:51,859 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_40d40886-4b9b-4f59-97c2-0457cae76921/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-54.i[913,926] [2023-11-26 11:49:51,894 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:49:51,914 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:49:51,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:51 WrapperNode [2023-11-26 11:49:51,914 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:49:51,916 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:49:51,916 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:49:51,916 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:49:51,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:51" (1/1) ... [2023-11-26 11:49:51,937 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:51" (1/1) ... [2023-11-26 11:49:51,983 INFO L138 Inliner]: procedures = 26, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 99 [2023-11-26 11:49:51,984 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:49:51,985 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:49:51,985 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:49:51,986 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:49:51,998 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:51" (1/1) ... [2023-11-26 11:49:51,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:51" (1/1) ... [2023-11-26 11:49:52,003 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:51" (1/1) ... [2023-11-26 11:49:52,024 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]. [2023-11-26 11:49:52,024 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:51" (1/1) ... [2023-11-26 11:49:52,024 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:51" (1/1) ... [2023-11-26 11:49:52,034 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:51" (1/1) ... [2023-11-26 11:49:52,039 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:51" (1/1) ... [2023-11-26 11:49:52,060 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:51" (1/1) ... [2023-11-26 11:49:52,061 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:51" (1/1) ... [2023-11-26 11:49:52,076 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:49:52,080 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:49:52,080 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:49:52,080 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:49:52,082 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:51" (1/1) ... [2023-11-26 11:49:52,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:49:52,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:52,125 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:52,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:49:52,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:49:52,178 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:49:52,179 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:49:52,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:49:52,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:49:52,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:49:52,317 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:49:52,321 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:49:52,714 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:49:52,773 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:49:52,774 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:49:52,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:49:52 BoogieIcfgContainer [2023-11-26 11:49:52,775 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:49:52,779 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:49:52,780 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:49:52,784 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:49:52,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:49:51" (1/3) ... [2023-11-26 11:49:52,785 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22acb87f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:49:52, skipping insertion in model container [2023-11-26 11:49:52,786 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:51" (2/3) ... [2023-11-26 11:49:52,786 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22acb87f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:49:52, skipping insertion in model container [2023-11-26 11:49:52,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:49:52" (3/3) ... [2023-11-26 11:49:52,789 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-54.i [2023-11-26 11:49:52,815 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:49:52,815 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:49:52,879 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:49:52,911 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;@110b09, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:49:52,911 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:49:52,916 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 27 states have internal predecessors, (38), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-26 11:49:52,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-26 11:49:52,928 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:49:52,929 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:49:52,930 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:49:52,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:52,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1570588264, now seen corresponding path program 1 times [2023-11-26 11:49:52,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:52,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290888532] [2023-11-26 11:49:52,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:52,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:53,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-26 11:49:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:53,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-26 11:49:53,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:53,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 11:49:53,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:53,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-11-26 11:49:53,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:53,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-26 11:49:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:53,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-26 11:49:53,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:53,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-11-26 11:49:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:53,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-26 11:49:53,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:53,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-26 11:49:53,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:53,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2023-11-26 11:49:53,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:53,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2023-11-26 11:49:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:53,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2023-11-26 11:49:53,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:53,357 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-26 11:49:53,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:49:53,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290888532] [2023-11-26 11:49:53,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290888532] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:49:53,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:49:53,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:49:53,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787321787] [2023-11-26 11:49:53,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:49:53,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:49:53,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:49:53,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:49:53,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:49:53,418 INFO L87 Difference]: Start difference. First operand has 41 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 27 states have internal predecessors, (38), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-26 11:49:53,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:49:53,485 INFO L93 Difference]: Finished difference Result 79 states and 134 transitions. [2023-11-26 11:49:53,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:49:53,489 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 77 [2023-11-26 11:49:53,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:49:53,500 INFO L225 Difference]: With dead ends: 79 [2023-11-26 11:49:53,500 INFO L226 Difference]: Without dead ends: 39 [2023-11-26 11:49:53,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:49:53,510 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:49:53,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:49:53,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-11-26 11:49:53,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2023-11-26 11:49:53,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 25 states have (on average 1.32) internal successors, (33), 25 states have internal predecessors, (33), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-26 11:49:53,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 57 transitions. [2023-11-26 11:49:53,573 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 57 transitions. Word has length 77 [2023-11-26 11:49:53,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:49:53,574 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 57 transitions. [2023-11-26 11:49:53,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-26 11:49:53,575 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 57 transitions. [2023-11-26 11:49:53,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-26 11:49:53,580 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:49:53,581 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:49:53,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:49:53,582 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:49:53,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:53,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1511868244, now seen corresponding path program 1 times [2023-11-26 11:49:53,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:53,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797979225] [2023-11-26 11:49:53,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:53,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:53,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:53,769 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:49:53,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:49:53,930 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:49:53,930 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 11:49:53,933 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 11:49:53,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:49:53,940 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-26 11:49:53,945 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:49:54,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:49:54 BoogieIcfgContainer [2023-11-26 11:49:54,078 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:49:54,080 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:49:54,080 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:49:54,081 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:49:54,082 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:49:52" (3/4) ... [2023-11-26 11:49:54,085 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:49:54,086 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:49:54,089 INFO L158 Benchmark]: Toolchain (without parser) took 2573.52ms. Allocated memory was 125.8MB in the beginning and 165.7MB in the end (delta: 39.8MB). Free memory was 91.2MB in the beginning and 94.8MB in the end (delta: -3.7MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2023-11-26 11:49:54,090 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 125.8MB. Free memory is still 99.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:49:54,094 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.91ms. Allocated memory is still 125.8MB. Free memory was 91.2MB in the beginning and 78.7MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 11:49:54,095 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.58ms. Allocated memory is still 125.8MB. Free memory was 78.7MB in the beginning and 76.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:49:54,100 INFO L158 Benchmark]: Boogie Preprocessor took 93.89ms. Allocated memory is still 125.8MB. Free memory was 76.6MB in the beginning and 73.2MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:49:54,101 INFO L158 Benchmark]: RCFGBuilder took 695.85ms. Allocated memory is still 125.8MB. Free memory was 73.2MB in the beginning and 56.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-26 11:49:54,102 INFO L158 Benchmark]: TraceAbstraction took 1298.92ms. Allocated memory was 125.8MB in the beginning and 165.7MB in the end (delta: 39.8MB). Free memory was 55.6MB in the beginning and 94.8MB in the end (delta: -39.3MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2023-11-26 11:49:54,102 INFO L158 Benchmark]: Witness Printer took 6.81ms. Allocated memory is still 165.7MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:49:54,110 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 125.8MB. Free memory is still 99.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 398.91ms. Allocated memory is still 125.8MB. Free memory was 91.2MB in the beginning and 78.7MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.58ms. Allocated memory is still 125.8MB. Free memory was 78.7MB in the beginning and 76.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.89ms. Allocated memory is still 125.8MB. Free memory was 76.6MB in the beginning and 73.2MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 695.85ms. Allocated memory is still 125.8MB. Free memory was 73.2MB in the beginning and 56.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1298.92ms. Allocated memory was 125.8MB in the beginning and 165.7MB in the end (delta: 39.8MB). Free memory was 55.6MB in the beginning and 94.8MB in the end (delta: -39.3MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. * Witness Printer took 6.81ms. Allocated memory is still 165.7MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 92, overapproximation of someBinaryFLOATComparisonOperation at line 92. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 16; [L23] unsigned char var_1_3 = 10; [L24] unsigned char var_1_4 = 0; [L25] unsigned char var_1_6 = 1; [L26] unsigned char var_1_9 = 0; [L27] unsigned char var_1_10 = 0; [L28] double var_1_11 = 9.75; [L29] double var_1_12 = 5.5; [L30] double var_1_13 = 4.1; [L31] float var_1_14 = 9.8; [L32] signed char var_1_15 = 25; [L33] signed char var_1_16 = 2; [L96] isInitial = 1 [L97] FCALL initially() [L98] COND TRUE 1 [L99] FCALL updateLastVariables() [L100] CALL updateVariables() [L69] var_1_3 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_4=0, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_4=0, var_1_6=1, var_1_9=0] [L70] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_4=0, var_1_6=1, var_1_9=0] [L71] CALL assume_abort_if_not(var_1_3 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=254, var_1_4=0, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=254, var_1_4=0, var_1_6=1, var_1_9=0] [L71] RET assume_abort_if_not(var_1_3 <= 254) VAL [isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=254, var_1_4=0, var_1_6=1, var_1_9=0] [L72] var_1_6 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=254, var_1_4=0, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=254, var_1_4=0, var_1_9=0] [L73] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=254, var_1_4=0, var_1_9=0] [L74] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=254, var_1_4=0, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=254, var_1_4=0, var_1_6=1, var_1_9=0] [L74] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=254, var_1_4=0, var_1_6=1, var_1_9=0] [L75] var_1_9 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=254, var_1_4=0, var_1_6=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=254, var_1_4=0, var_1_6=1] [L76] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=254, var_1_4=0, var_1_6=1] [L77] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=254, var_1_4=0, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=254, var_1_4=0, var_1_6=1, var_1_9=0] [L77] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, var_1_10=0, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=254, var_1_4=0, var_1_6=1, var_1_9=0] [L78] var_1_10 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_10 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=254, var_1_4=0, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=254, var_1_4=0, var_1_6=1, var_1_9=0] [L79] RET assume_abort_if_not(var_1_10 >= 1) VAL [isInitial=1, var_1_10=1, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=254, var_1_4=0, var_1_6=1, var_1_9=0] [L80] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=254, var_1_4=0, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=254, var_1_4=0, var_1_6=1, var_1_9=0] [L80] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, var_1_10=1, var_1_11=39/4, var_1_12=11/2, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=254, var_1_4=0, var_1_6=1, var_1_9=0] [L81] var_1_12 = __VERIFIER_nondet_double() [L82] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=39/4, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=254, var_1_4=0, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=39/4, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=254, var_1_4=0, var_1_6=1, var_1_9=0] [L82] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=39/4, var_1_13=41/10, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=254, var_1_4=0, var_1_6=1, var_1_9=0] [L83] var_1_13 = __VERIFIER_nondet_double() [L84] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=39/4, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=254, var_1_4=0, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=39/4, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=254, var_1_4=0, var_1_6=1, var_1_9=0] [L84] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=39/4, var_1_14=49/5, var_1_15=25, var_1_16=2, var_1_1=16, var_1_3=254, var_1_4=0, var_1_6=1, var_1_9=0] [L85] var_1_16 = __VERIFIER_nondet_char() [L86] CALL assume_abort_if_not(var_1_16 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=39/4, var_1_14=49/5, var_1_15=25, var_1_16=-127, var_1_1=16, var_1_3=254, var_1_4=0, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=39/4, var_1_14=49/5, var_1_15=25, var_1_16=-127, var_1_1=16, var_1_3=254, var_1_4=0, var_1_6=1, var_1_9=0] [L86] RET assume_abort_if_not(var_1_16 >= -127) VAL [isInitial=1, var_1_10=1, var_1_11=39/4, var_1_14=49/5, var_1_15=25, var_1_16=-127, var_1_1=16, var_1_3=254, var_1_4=0, var_1_6=1, var_1_9=0] [L87] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=39/4, var_1_14=49/5, var_1_15=25, var_1_16=-127, var_1_1=16, var_1_3=254, var_1_4=0, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=1, var_1_11=39/4, var_1_14=49/5, var_1_15=25, var_1_16=-127, var_1_1=16, var_1_3=254, var_1_4=0, var_1_6=1, var_1_9=0] [L87] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, var_1_10=1, var_1_11=39/4, var_1_14=49/5, var_1_15=25, var_1_16=-127, var_1_1=16, var_1_3=254, var_1_4=0, var_1_6=1, var_1_9=0] [L100] RET updateVariables() [L101] CALL step() [L37] var_1_14 = var_1_12 [L38] var_1_15 = var_1_16 [L39] signed long int stepLocal_0 = -4; VAL [isInitial=1, stepLocal_0=-4, var_1_10=1, var_1_11=39/4, var_1_12=259, var_1_14=259, var_1_15=-127, var_1_16=-127, var_1_1=16, var_1_3=254, var_1_4=0, var_1_6=1, var_1_9=0] [L40] COND TRUE stepLocal_0 >= var_1_15 [L41] var_1_1 = ((((var_1_3) < (((((1) < 0 ) ? -(1) : (1))))) ? (var_1_3) : (((((1) < 0 ) ? -(1) : (1)))))) VAL [isInitial=1, stepLocal_0=-4, var_1_10=1, var_1_11=39/4, var_1_12=259, var_1_14=259, var_1_15=-127, var_1_16=-127, var_1_1=1, var_1_3=254, var_1_4=0, var_1_6=1, var_1_9=0] [L43] unsigned char stepLocal_2 = var_1_3; VAL [isInitial=1, stepLocal_0=-4, stepLocal_2=254, var_1_10=1, var_1_11=39/4, var_1_12=259, var_1_14=259, var_1_15=-127, var_1_16=-127, var_1_1=1, var_1_3=254, var_1_4=0, var_1_6=1, var_1_9=0] [L44] COND FALSE !(\read(var_1_9)) VAL [isInitial=1, stepLocal_0=-4, stepLocal_2=254, var_1_10=1, var_1_11=39/4, var_1_12=259, var_1_14=259, var_1_15=-127, var_1_16=-127, var_1_1=1, var_1_3=254, var_1_4=0, var_1_6=1, var_1_9=0] [L53] signed long int stepLocal_1 = (((10) > (var_1_1)) ? (10) : (var_1_1)); VAL [isInitial=1, stepLocal_0=-4, stepLocal_1=10, stepLocal_2=254, var_1_10=1, var_1_11=39/4, var_1_12=259, var_1_14=259, var_1_15=-127, var_1_16=-127, var_1_1=1, var_1_3=254, var_1_4=0, var_1_6=1, var_1_9=0] [L54] COND FALSE !((8 * var_1_1) == stepLocal_1) [L65] var_1_4 = var_1_10 VAL [isInitial=1, stepLocal_0=-4, stepLocal_1=10, stepLocal_2=254, var_1_10=1, var_1_11=39/4, var_1_12=259, var_1_14=259, var_1_15=-127, var_1_16=-127, var_1_1=1, var_1_3=254, var_1_4=1, var_1_6=1, var_1_9=0] [L101] RET step() [L102] CALL, EXPR property() [L92-L93] return (((((-4 >= var_1_15) ? (var_1_1 == ((unsigned char) ((((var_1_3) < (((((1) < 0 ) ? -(1) : (1))))) ? (var_1_3) : (((((1) < 0 ) ? -(1) : (1)))))))) : 1) && (((8 * var_1_1) == ((((10) > (var_1_1)) ? (10) : (var_1_1)))) ? (var_1_6 ? (var_1_4 == ((unsigned char) ((var_1_11 < var_1_14) && var_1_9))) : ((var_1_14 >= ((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))) ? (var_1_4 == ((unsigned char) (! var_1_9))) : (var_1_4 == ((unsigned char) 0)))) : (var_1_4 == ((unsigned char) var_1_10)))) && (var_1_9 ? ((var_1_3 > var_1_15) ? (var_1_11 == ((double) ((((((((var_1_12) > (16.5)) ? (var_1_12) : (16.5)))) > (var_1_13)) ? (((((var_1_12) > (16.5)) ? (var_1_12) : (16.5)))) : (var_1_13))))) : (var_1_10 ? (var_1_11 == ((double) var_1_12)) : 1)) : 1)) && (var_1_14 == ((float) var_1_12))) && (var_1_15 == ((signed char) var_1_16)) ; [L102] RET, EXPR property() [L102] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=39/4, var_1_12=259, var_1_14=259, var_1_15=-127, var_1_16=-127, var_1_1=1, var_1_3=254, var_1_4=1, var_1_6=1, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=39/4, var_1_12=259, var_1_14=259, var_1_15=-127, var_1_16=-127, var_1_1=1, var_1_3=254, var_1_4=1, var_1_6=1, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 12, 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, 54 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 54 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 76 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 264/264 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 [2023-11-26 11:49:54,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with 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_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-54.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme --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 3a25dd997c8fa9a929b53027dc2df9242a939d9c39053d10361ef45987787161 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:49:57,439 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:49:57,600 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 11:49:57,611 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:49:57,615 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:49:57,680 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:49:57,681 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:49:57,681 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:49:57,683 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:49:57,689 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:49:57,690 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:49:57,690 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:49:57,691 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:49:57,693 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:49:57,694 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:49:57,695 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:49:57,695 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:49:57,696 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:49:57,696 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:49:57,698 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:49:57,698 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:49:57,699 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:49:57,699 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:49:57,700 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 11:49:57,700 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 11:49:57,701 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 11:49:57,701 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:49:57,702 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:49:57,702 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:49:57,703 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:49:57,704 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:49:57,705 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:49:57,705 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:49:57,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:49:57,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:49:57,706 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:49:57,707 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:49:57,707 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 11:49:57,708 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 11:49:57,708 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:49:57,708 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:49:57,709 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:49:57,709 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:49:57,709 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:49:57,710 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 11:49:57,710 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_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a25dd997c8fa9a929b53027dc2df9242a939d9c39053d10361ef45987787161 [2023-11-26 11:49:58,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:49:58,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:49:58,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:49:58,146 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:49:58,148 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:49:58,151 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-54.i [2023-11-26 11:50:02,053 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:50:02,464 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:50:02,465 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d40886-4b9b-4f59-97c2-0457cae76921/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-54.i [2023-11-26 11:50:02,480 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme/data/d91718c0a/b3524a74917f4d0591915104f685c433/FLAGcfa498542 [2023-11-26 11:50:02,506 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme/data/d91718c0a/b3524a74917f4d0591915104f685c433 [2023-11-26 11:50:02,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:50:02,516 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:50:02,521 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:50:02,521 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:50:02,529 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:50:02,530 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:50:02" (1/1) ... [2023-11-26 11:50:02,531 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@627bf2a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02, skipping insertion in model container [2023-11-26 11:50:02,536 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:50:02" (1/1) ... [2023-11-26 11:50:02,590 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:50:02,790 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_40d40886-4b9b-4f59-97c2-0457cae76921/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-54.i[913,926] [2023-11-26 11:50:02,846 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:50:02,869 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:50:02,887 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_40d40886-4b9b-4f59-97c2-0457cae76921/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_normal_file-54.i[913,926] [2023-11-26 11:50:02,920 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:50:02,946 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:50:02,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02 WrapperNode [2023-11-26 11:50:02,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:50:02,948 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:50:02,948 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:50:02,949 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:50:02,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02" (1/1) ... [2023-11-26 11:50:02,974 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02" (1/1) ... [2023-11-26 11:50:03,009 INFO L138 Inliner]: procedures = 27, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 98 [2023-11-26 11:50:03,010 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:50:03,011 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:50:03,011 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:50:03,012 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:50:03,038 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02" (1/1) ... [2023-11-26 11:50:03,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02" (1/1) ... [2023-11-26 11:50:03,052 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02" (1/1) ... [2023-11-26 11:50:03,069 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]. [2023-11-26 11:50:03,070 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02" (1/1) ... [2023-11-26 11:50:03,070 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02" (1/1) ... [2023-11-26 11:50:03,089 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02" (1/1) ... [2023-11-26 11:50:03,104 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02" (1/1) ... [2023-11-26 11:50:03,111 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02" (1/1) ... [2023-11-26 11:50:03,126 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02" (1/1) ... [2023-11-26 11:50:03,131 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:50:03,132 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:50:03,146 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:50:03,146 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:50:03,147 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02" (1/1) ... [2023-11-26 11:50:03,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:50:03,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:50:03,189 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:50:03,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:50:03,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:50:03,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 11:50:03,225 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:50:03,225 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:50:03,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:50:03,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:50:03,398 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:50:03,405 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:50:04,658 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:50:04,720 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:50:04,729 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:50:04,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:50:04 BoogieIcfgContainer [2023-11-26 11:50:04,730 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:50:04,733 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:50:04,733 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:50:04,739 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:50:04,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:50:02" (1/3) ... [2023-11-26 11:50:04,742 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14b8f050 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:50:04, skipping insertion in model container [2023-11-26 11:50:04,742 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:50:02" (2/3) ... [2023-11-26 11:50:04,745 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14b8f050 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:50:04, skipping insertion in model container [2023-11-26 11:50:04,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:50:04" (3/3) ... [2023-11-26 11:50:04,748 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_normal_file-54.i [2023-11-26 11:50:04,775 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:50:04,776 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:50:04,841 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:50:04,850 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;@227ed036, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:50:04,850 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:50:04,856 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 27 states have internal predecessors, (38), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-26 11:50:04,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-26 11:50:04,872 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:50:04,873 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:50:04,873 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:50:04,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:50:04,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1570588264, now seen corresponding path program 1 times [2023-11-26 11:50:04,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:50:04,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [951893605] [2023-11-26 11:50:04,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:50:04,898 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 [2023-11-26 11:50:04,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:50:04,902 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:50:04,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:50:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:50:05,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 11:50:05,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:50:05,305 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2023-11-26 11:50:05,305 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:50:05,308 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:50:05,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [951893605] [2023-11-26 11:50:05,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [951893605] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:50:05,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:50:05,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:50:05,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139048478] [2023-11-26 11:50:05,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:50:05,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:50:05,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:50:05,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:50:05,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:50:05,369 INFO L87 Difference]: Start difference. First operand has 41 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 27 states have internal predecessors, (38), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-26 11:50:05,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:50:05,721 INFO L93 Difference]: Finished difference Result 79 states and 134 transitions. [2023-11-26 11:50:05,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:50:05,735 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 77 [2023-11-26 11:50:05,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:50:05,744 INFO L225 Difference]: With dead ends: 79 [2023-11-26 11:50:05,745 INFO L226 Difference]: Without dead ends: 39 [2023-11-26 11:50:05,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:50:05,754 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-26 11:50:05,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-26 11:50:05,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-11-26 11:50:05,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2023-11-26 11:50:05,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 25 states have (on average 1.32) internal successors, (33), 25 states have internal predecessors, (33), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-26 11:50:05,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 57 transitions. [2023-11-26 11:50:05,811 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 57 transitions. Word has length 77 [2023-11-26 11:50:05,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:50:05,812 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 57 transitions. [2023-11-26 11:50:05,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-26 11:50:05,812 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 57 transitions. [2023-11-26 11:50:05,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-26 11:50:05,818 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:50:05,818 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:50:05,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-26 11:50:06,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:50:06,026 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:50:06,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:50:06,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1511868244, now seen corresponding path program 1 times [2023-11-26 11:50:06,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:50:06,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [758487829] [2023-11-26 11:50:06,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:50:06,029 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 [2023-11-26 11:50:06,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:50:06,031 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:50:06,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40d40886-4b9b-4f59-97c2-0457cae76921/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:50:06,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:50:06,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-26 11:50:06,358 INFO L285 TraceCheckSpWp]: Computing forward predicates...