./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-32.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx --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 736d11fbaff9bd8217e7f35fe2915a40a2ccc3f0b056dd854b0369e62e08ee86 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:07:26,766 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:07:26,899 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-21 22:07:26,917 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:07:26,917 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:07:26,965 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:07:26,968 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:07:26,968 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:07:26,969 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:07:26,975 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:07:26,976 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:07:26,976 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:07:26,977 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:07:26,979 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:07:26,979 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:07:26,980 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:07:26,980 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:07:26,981 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:07:26,981 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:07:26,982 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:07:26,982 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:07:26,983 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:07:26,983 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:07:26,983 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:07:26,984 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:07:26,984 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:07:26,985 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:07:26,986 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:07:26,986 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:07:26,986 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:07:26,988 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:07:26,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:07:26,988 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:07:26,989 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:07:26,989 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:07:26,989 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:07:26,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:07:26,990 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:07:26,990 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:07:26,990 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:07:26,990 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:07:26,991 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:07:26,991 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_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 736d11fbaff9bd8217e7f35fe2915a40a2ccc3f0b056dd854b0369e62e08ee86 [2023-11-21 22:07:27,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:07:27,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:07:27,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:07:27,325 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:07:27,326 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:07:27,328 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-32.i [2023-11-21 22:07:30,660 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:07:30,913 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:07:30,914 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-32.i [2023-11-21 22:07:30,927 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx/data/a100fd646/493fa594f99443ef81dfbe1b3516fc38/FLAG8d0c8fd37 [2023-11-21 22:07:30,955 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx/data/a100fd646/493fa594f99443ef81dfbe1b3516fc38 [2023-11-21 22:07:30,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:07:30,968 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:07:30,974 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:07:30,975 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:07:30,982 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:07:30,986 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:07:30" (1/1) ... [2023-11-21 22:07:30,988 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6793a5b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:30, skipping insertion in model container [2023-11-21 22:07:30,988 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:07:30" (1/1) ... [2023-11-21 22:07:31,049 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:07:31,279 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_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-32.i[915,928] [2023-11-21 22:07:31,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:07:31,380 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:07:31,405 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_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-32.i[915,928] [2023-11-21 22:07:31,453 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:07:31,494 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:07:31,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:31 WrapperNode [2023-11-21 22:07:31,494 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:07:31,496 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:07:31,497 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:07:31,497 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:07:31,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:31" (1/1) ... [2023-11-21 22:07:31,531 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:31" (1/1) ... [2023-11-21 22:07:31,589 INFO L138 Inliner]: procedures = 26, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 171 [2023-11-21 22:07:31,590 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:07:31,591 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:07:31,597 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:07:31,598 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:07:31,610 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:31" (1/1) ... [2023-11-21 22:07:31,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:31" (1/1) ... [2023-11-21 22:07:31,613 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:31" (1/1) ... [2023-11-21 22:07:31,631 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:07:31,631 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:31" (1/1) ... [2023-11-21 22:07:31,631 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:31" (1/1) ... [2023-11-21 22:07:31,643 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:31" (1/1) ... [2023-11-21 22:07:31,648 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:31" (1/1) ... [2023-11-21 22:07:31,651 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:31" (1/1) ... [2023-11-21 22:07:31,654 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:31" (1/1) ... [2023-11-21 22:07:31,660 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:07:31,661 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:07:31,661 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:07:31,661 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:07:31,662 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:31" (1/1) ... [2023-11-21 22:07:31,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:07:31,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:07:31,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:07:31,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:07:31,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:07:31,765 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:07:31,765 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:07:31,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:07:31,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:07:31,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:07:31,854 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:07:31,857 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:07:32,418 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:07:32,916 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:07:32,917 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:07:32,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:07:32 BoogieIcfgContainer [2023-11-21 22:07:32,919 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:07:32,924 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:07:32,924 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:07:32,927 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:07:32,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:07:30" (1/3) ... [2023-11-21 22:07:32,929 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a070e73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:07:32, skipping insertion in model container [2023-11-21 22:07:32,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:31" (2/3) ... [2023-11-21 22:07:32,931 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a070e73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:07:32, skipping insertion in model container [2023-11-21 22:07:32,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:07:32" (3/3) ... [2023-11-21 22:07:32,933 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-32.i [2023-11-21 22:07:32,956 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:07:32,957 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:07:33,027 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:07:33,038 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;@3c5558b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:07:33,038 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:07:33,044 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-21 22:07:33,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 22:07:33,058 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:07:33,059 INFO L195 NwaCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:07:33,060 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:07:33,068 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:33,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1224208522, now seen corresponding path program 1 times [2023-11-21 22:07:33,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:07:33,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195910682] [2023-11-21 22:07:33,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:33,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:07:33,279 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 22:07:33,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1058642835] [2023-11-21 22:07:33,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:33,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:07:33,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:07:33,283 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:07:33,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 22:07:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:07:33,800 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:07:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:07:33,980 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:07:33,983 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 22:07:33,984 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 22:07:34,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:07:34,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:07:34,199 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 22:07:34,203 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:07:34,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:07:34 BoogieIcfgContainer [2023-11-21 22:07:34,297 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:07:34,298 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:07:34,298 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:07:34,298 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:07:34,299 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:07:32" (3/4) ... [2023-11-21 22:07:34,301 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:07:34,303 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:07:34,304 INFO L158 Benchmark]: Toolchain (without parser) took 3336.33ms. Allocated memory was 159.4MB in the beginning and 207.6MB in the end (delta: 48.2MB). Free memory was 112.1MB in the beginning and 109.3MB in the end (delta: 2.8MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. [2023-11-21 22:07:34,305 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 159.4MB. Free memory is still 127.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:07:34,305 INFO L158 Benchmark]: CACSL2BoogieTranslator took 520.41ms. Allocated memory is still 159.4MB. Free memory was 111.5MB in the beginning and 98.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:07:34,306 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.26ms. Allocated memory is still 159.4MB. Free memory was 98.9MB in the beginning and 95.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:07:34,307 INFO L158 Benchmark]: Boogie Preprocessor took 69.10ms. Allocated memory is still 159.4MB. Free memory was 95.3MB in the beginning and 90.5MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 22:07:34,308 INFO L158 Benchmark]: RCFGBuilder took 1258.35ms. Allocated memory was 159.4MB in the beginning and 207.6MB in the end (delta: 48.2MB). Free memory was 90.5MB in the beginning and 147.1MB in the end (delta: -56.6MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. [2023-11-21 22:07:34,309 INFO L158 Benchmark]: TraceAbstraction took 1373.85ms. Allocated memory is still 207.6MB. Free memory was 146.0MB in the beginning and 109.3MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-21 22:07:34,309 INFO L158 Benchmark]: Witness Printer took 4.97ms. Allocated memory is still 207.6MB. Free memory is still 109.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:07:34,313 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 159.4MB. Free memory is still 127.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 520.41ms. Allocated memory is still 159.4MB. Free memory was 111.5MB in the beginning and 98.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.26ms. Allocated memory is still 159.4MB. Free memory was 98.9MB in the beginning and 95.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.10ms. Allocated memory is still 159.4MB. Free memory was 95.3MB in the beginning and 90.5MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1258.35ms. Allocated memory was 159.4MB in the beginning and 207.6MB in the end (delta: 48.2MB). Free memory was 90.5MB in the beginning and 147.1MB in the end (delta: -56.6MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1373.85ms. Allocated memory is still 207.6MB. Free memory was 146.0MB in the beginning and 109.3MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 4.97ms. Allocated memory is still 207.6MB. Free memory is still 109.3MB. 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 shiftRight at line 53, overapproximation of shiftLeft at line 53, overapproximation of bitwiseOr at line 53, overapproximation of bitwiseAnd at line 42. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 0; [L23] unsigned short int var_1_3 = 128; [L24] unsigned short int var_1_4 = 4; [L25] unsigned short int var_1_5 = 0; [L26] signed short int var_1_6 = 0; [L27] unsigned char var_1_7 = 1; [L28] signed short int var_1_8 = -2; [L29] signed short int var_1_9 = 500; [L30] unsigned long int var_1_10 = 10; [L31] unsigned char var_1_11 = 2; [L32] unsigned char var_1_12 = 64; [L33] unsigned long int var_1_13 = 1; [L34] unsigned long int last_1_var_1_10 = 10; [L35] unsigned long int last_1_var_1_13 = 1; [L94] isInitial = 1 [L95] FCALL initially() [L96] COND TRUE 1 [L97] CALL updateLastVariables() [L86] last_1_var_1_10 = var_1_10 [L87] last_1_var_1_13 = var_1_13 [L97] RET updateLastVariables() [L98] CALL updateVariables() [L60] var_1_3 = __VERIFIER_nondet_ushort() [L61] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_4=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=-2, var_1_9=500] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_4=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=-2, var_1_9=500] [L62] CALL assume_abort_if_not(var_1_3 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=-2, var_1_9=500] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not(var_1_3 <= 32767) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=4, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=-2, var_1_9=500] [L63] var_1_4 = __VERIFIER_nondet_ushort() [L64] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=-2, var_1_9=500] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=-2, var_1_9=500] [L65] CALL assume_abort_if_not(var_1_4 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=-2, var_1_9=500] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_4 <= 32767) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=-2, var_1_9=500] [L66] var_1_5 = __VERIFIER_nondet_ushort() [L67] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=-2, var_1_9=500] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=-2, var_1_9=500] [L68] CALL assume_abort_if_not(var_1_5 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=-2, var_1_9=500] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_5 <= 65534) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=-2, var_1_9=500] [L69] var_1_7 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-2, var_1_9=500] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-2, var_1_9=500] [L71] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-2, var_1_9=500] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-2, var_1_9=500] [L72] var_1_8 = __VERIFIER_nondet_short() [L73] CALL assume_abort_if_not(var_1_8 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-1, var_1_9=500] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_8 >= -16383) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-1, var_1_9=500] [L74] CALL assume_abort_if_not(var_1_8 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-1, var_1_9=500] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_8 <= 16383) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-1, var_1_9=500] [L75] var_1_9 = __VERIFIER_nondet_short() [L76] CALL assume_abort_if_not(var_1_9 >= -16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-1, var_1_9=-16383] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_9 >= -16383) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-1, var_1_9=-16383] [L77] CALL assume_abort_if_not(var_1_9 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-1, var_1_9=-16383] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_9 <= 16383) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-1, var_1_9=-16383] [L78] var_1_11 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-1, var_1_9=-16383] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-1, var_1_9=-16383] [L80] CALL assume_abort_if_not(var_1_11 <= 128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-1, var_1_9=-16383] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_11 <= 128) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=64, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-1, var_1_9=-16383] [L81] var_1_12 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_12 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=1, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-1, var_1_9=-16383] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_12 >= 1) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=1, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-1, var_1_9=-16383] [L83] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=1, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-1, var_1_9=-16383] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=10, var_1_11=2, var_1_12=1, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-1, var_1_9=-16383] [L98] RET updateVariables() [L99] CALL step() [L39] COND FALSE !(last_1_var_1_13 >= -50) [L42] EXPR var_1_11 & var_1_12 [L42] signed long int stepLocal_0 = var_1_11 & var_1_12; [L43] COND FALSE !(\read(var_1_7)) [L46] COND TRUE stepLocal_0 != var_1_1 [L47] var_1_13 = var_1_12 [L50] COND FALSE !(\read(var_1_7)) [L53] EXPR last_1_var_1_10 >> var_1_1 [L53] EXPR var_1_8 << var_1_5 [L53] EXPR (last_1_var_1_10 >> var_1_1) ^ (var_1_8 << var_1_5) [L53] COND TRUE (var_1_6 / (var_1_11 + var_1_12)) != ((last_1_var_1_10 >> var_1_1) ^ (var_1_8 << var_1_5)) [L54] var_1_10 = ((((var_1_12) < (var_1_4)) ? (var_1_12) : (var_1_4))) [L99] RET step() [L100] CALL, EXPR property() [L90] EXPR (((last_1_var_1_13 >= -50) ? (var_1_1 == ((unsigned short int) (((((var_1_3 + ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) > (var_1_5)) ? ((var_1_3 + ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : (var_1_5))))) : 1) && (var_1_7 ? (var_1_6 == ((signed short int) (var_1_8 + var_1_9))) : 1)) && (((var_1_6 / (var_1_11 + var_1_12)) != ((last_1_var_1_10 >> var_1_1) ^ (var_1_8 << var_1_5))) ? (var_1_10 == ((unsigned long int) ((((var_1_12) < (var_1_4)) ? (var_1_12) : (var_1_4))))) : (var_1_10 == ((unsigned long int) var_1_11))) [L90] EXPR last_1_var_1_10 >> var_1_1 [L90] EXPR var_1_8 << var_1_5 [L90] EXPR (last_1_var_1_10 >> var_1_1) ^ (var_1_8 << var_1_5) [L90] EXPR (((last_1_var_1_13 >= -50) ? (var_1_1 == ((unsigned short int) (((((var_1_3 + ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) > (var_1_5)) ? ((var_1_3 + ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : (var_1_5))))) : 1) && (var_1_7 ? (var_1_6 == ((signed short int) (var_1_8 + var_1_9))) : 1)) && (((var_1_6 / (var_1_11 + var_1_12)) != ((last_1_var_1_10 >> var_1_1) ^ (var_1_8 << var_1_5))) ? (var_1_10 == ((unsigned long int) ((((var_1_12) < (var_1_4)) ? (var_1_12) : (var_1_4))))) : (var_1_10 == ((unsigned long int) var_1_11))) [L90] EXPR ((((last_1_var_1_13 >= -50) ? (var_1_1 == ((unsigned short int) (((((var_1_3 + ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) > (var_1_5)) ? ((var_1_3 + ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : (var_1_5))))) : 1) && (var_1_7 ? (var_1_6 == ((signed short int) (var_1_8 + var_1_9))) : 1)) && (((var_1_6 / (var_1_11 + var_1_12)) != ((last_1_var_1_10 >> var_1_1) ^ (var_1_8 << var_1_5))) ? (var_1_10 == ((unsigned long int) ((((var_1_12) < (var_1_4)) ? (var_1_12) : (var_1_4))))) : (var_1_10 == ((unsigned long int) var_1_11)))) && (var_1_7 ? (var_1_13 == ((unsigned long int) ((((var_1_11) > (var_1_1)) ? (var_1_11) : (var_1_1))))) : (((var_1_11 & var_1_12) != var_1_1) ? (var_1_13 == ((unsigned long int) var_1_12)) : 1)) [L90-L91] return ((((last_1_var_1_13 >= -50) ? (var_1_1 == ((unsigned short int) (((((var_1_3 + ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) > (var_1_5)) ? ((var_1_3 + ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : (var_1_5))))) : 1) && (var_1_7 ? (var_1_6 == ((signed short int) (var_1_8 + var_1_9))) : 1)) && (((var_1_6 / (var_1_11 + var_1_12)) != ((last_1_var_1_10 >> var_1_1) ^ (var_1_8 << var_1_5))) ? (var_1_10 == ((unsigned long int) ((((var_1_12) < (var_1_4)) ? (var_1_12) : (var_1_4))))) : (var_1_10 == ((unsigned long int) var_1_11)))) && (var_1_7 ? (var_1_13 == ((unsigned long int) ((((var_1_11) > (var_1_1)) ? (var_1_11) : (var_1_1))))) : (((var_1_11 & var_1_12) != var_1_1) ? (var_1_13 == ((unsigned long int) var_1_12)) : 1)) ; [L100] RET, EXPR property() [L100] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=1, var_1_11=2, var_1_12=1, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-1, var_1_9=-16383] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=10, last_1_var_1_13=1, var_1_10=1, var_1_11=2, var_1_12=1, var_1_13=1, var_1_1=0, var_1_3=0, var_1_4=1, var_1_5=0, var_1_6=0, var_1_7=0, var_1_8=-1, var_1_9=-16383] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 [2023-11-21 22:07:34,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-32.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx --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 736d11fbaff9bd8217e7f35fe2915a40a2ccc3f0b056dd854b0369e62e08ee86 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:07:37,243 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:07:37,392 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-21 22:07:37,401 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:07:37,402 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:07:37,446 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:07:37,447 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:07:37,448 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:07:37,449 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:07:37,454 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:07:37,455 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:07:37,455 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:07:37,456 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:07:37,458 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:07:37,458 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:07:37,459 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:07:37,460 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:07:37,460 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:07:37,461 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:07:37,462 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:07:37,462 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:07:37,463 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:07:37,463 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:07:37,464 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 22:07:37,464 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 22:07:37,465 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 22:07:37,465 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:07:37,466 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:07:37,466 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:07:37,467 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:07:37,468 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:07:37,469 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:07:37,469 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:07:37,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:07:37,469 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:07:37,470 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:07:37,471 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:07:37,471 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-21 22:07:37,471 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 22:07:37,472 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:07:37,472 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:07:37,472 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:07:37,473 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:07:37,473 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:07:37,473 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-21 22:07:37,474 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_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 736d11fbaff9bd8217e7f35fe2915a40a2ccc3f0b056dd854b0369e62e08ee86 [2023-11-21 22:07:37,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:07:37,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:07:37,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:07:37,975 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:07:37,975 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:07:37,978 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-32.i [2023-11-21 22:07:41,386 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:07:41,671 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:07:41,674 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-32.i [2023-11-21 22:07:41,684 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx/data/feb2a78ce/081fe00941cc4327b20c5146f629c993/FLAGf014c1b7d [2023-11-21 22:07:41,701 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx/data/feb2a78ce/081fe00941cc4327b20c5146f629c993 [2023-11-21 22:07:41,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:07:41,705 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:07:41,707 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:07:41,707 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:07:41,719 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:07:41,720 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:07:41" (1/1) ... [2023-11-21 22:07:41,721 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@403a29fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:41, skipping insertion in model container [2023-11-21 22:07:41,722 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:07:41" (1/1) ... [2023-11-21 22:07:41,766 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:07:41,976 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_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-32.i[915,928] [2023-11-21 22:07:42,059 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:07:42,082 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:07:42,096 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_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-32.i[915,928] [2023-11-21 22:07:42,128 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:07:42,164 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:07:42,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:42 WrapperNode [2023-11-21 22:07:42,165 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:07:42,167 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:07:42,167 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:07:42,167 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:07:42,176 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:42" (1/1) ... [2023-11-21 22:07:42,205 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:42" (1/1) ... [2023-11-21 22:07:42,250 INFO L138 Inliner]: procedures = 27, calls = 29, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 102 [2023-11-21 22:07:42,250 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:07:42,251 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:07:42,251 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:07:42,252 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:07:42,267 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:42" (1/1) ... [2023-11-21 22:07:42,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:42" (1/1) ... [2023-11-21 22:07:42,282 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:42" (1/1) ... [2023-11-21 22:07:42,310 INFO L187 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-21 22:07:42,313 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:42" (1/1) ... [2023-11-21 22:07:42,313 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:42" (1/1) ... [2023-11-21 22:07:42,323 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:42" (1/1) ... [2023-11-21 22:07:42,336 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:42" (1/1) ... [2023-11-21 22:07:42,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:42" (1/1) ... [2023-11-21 22:07:42,348 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:42" (1/1) ... [2023-11-21 22:07:42,353 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:07:42,361 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:07:42,362 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:07:42,362 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:07:42,363 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:42" (1/1) ... [2023-11-21 22:07:42,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:07:42,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:07:42,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:07:42,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:07:42,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:07:42,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-21 22:07:42,464 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:07:42,465 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:07:42,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:07:42,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:07:42,610 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:07:42,612 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:07:43,096 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:07:43,219 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:07:43,219 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 22:07:43,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:07:43 BoogieIcfgContainer [2023-11-21 22:07:43,221 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:07:43,224 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:07:43,224 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:07:43,228 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:07:43,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:07:41" (1/3) ... [2023-11-21 22:07:43,229 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@123ef0a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:07:43, skipping insertion in model container [2023-11-21 22:07:43,230 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:07:42" (2/3) ... [2023-11-21 22:07:43,230 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@123ef0a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:07:43, skipping insertion in model container [2023-11-21 22:07:43,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:07:43" (3/3) ... [2023-11-21 22:07:43,232 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-32.i [2023-11-21 22:07:43,254 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:07:43,255 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:07:43,316 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:07:43,325 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;@590ef052, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:07:43,325 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:07:43,331 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-21 22:07:43,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 22:07:43,343 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:07:43,344 INFO L195 NwaCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:07:43,345 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:07:43,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:07:43,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1542130081, now seen corresponding path program 1 times [2023-11-21 22:07:43,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-21 22:07:43,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1281436262] [2023-11-21 22:07:43,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:07:43,369 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 [2023-11-21 22:07:43,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx/mathsat [2023-11-21 22:07:43,373 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx/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) [2023-11-21 22:07:43,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12fdd1a7-45e5-40fa-99fd-879a5f05d02f/bin/uautomizer-verify-bycVGegfSx/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 [2023-11-21 22:07:43,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:07:43,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 22:07:43,608 INFO L285 TraceCheckSpWp]: Computing forward predicates...