./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a 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_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU --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 ae547c4902f7e11f87d7994462416820855bf00f967c780d5442969e651ce2e2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:15:41,211 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:15:41,319 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:15:41,329 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:15:41,330 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:15:41,368 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:15:41,369 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:15:41,369 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:15:41,370 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:15:41,371 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:15:41,371 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:15:41,372 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:15:41,372 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:15:41,373 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:15:41,373 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:15:41,374 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:15:41,374 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:15:41,375 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:15:41,375 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:15:41,376 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:15:41,376 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:15:41,380 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:15:41,381 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:15:41,381 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:15:41,381 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:15:41,382 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:15:41,382 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:15:41,383 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:15:41,383 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:15:41,383 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:15:41,387 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:15:41,398 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:15:41,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:15:41,398 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:15:41,399 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:15:41,399 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:15:41,400 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:15:41,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:15:41,400 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:15:41,402 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:15:41,402 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:15:41,403 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:15:41,403 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_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae547c4902f7e11f87d7994462416820855bf00f967c780d5442969e651ce2e2 [2024-10-31 22:15:41,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:15:41,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:15:41,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:15:41,768 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:15:41,769 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:15:41,770 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-1.i Unable to find full path for "g++" [2024-10-31 22:15:44,314 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:15:44,575 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:15:44,576 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfa9da5-2077-4ae0-9112-56a507dbeaec/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-1.i [2024-10-31 22:15:44,586 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU/data/e9a333d9b/ce9ddd52a9da438b974edd277ae6734f/FLAG8b2a58c86 [2024-10-31 22:15:44,607 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU/data/e9a333d9b/ce9ddd52a9da438b974edd277ae6734f [2024-10-31 22:15:44,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:15:44,611 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:15:44,612 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:15:44,613 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:15:44,621 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:15:44,622 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:15:44" (1/1) ... [2024-10-31 22:15:44,624 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@193c6725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:44, skipping insertion in model container [2024-10-31 22:15:44,624 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:15:44" (1/1) ... [2024-10-31 22:15:44,658 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:15:44,919 WARN L251 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_0bfa9da5-2077-4ae0-9112-56a507dbeaec/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-1.i[914,927] [2024-10-31 22:15:44,985 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:15:45,000 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:15:45,016 WARN L251 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_0bfa9da5-2077-4ae0-9112-56a507dbeaec/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-1.i[914,927] [2024-10-31 22:15:45,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:15:45,063 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:15:45,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:45 WrapperNode [2024-10-31 22:15:45,064 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:15:45,065 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:15:45,065 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:15:45,066 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:15:45,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:45" (1/1) ... [2024-10-31 22:15:45,092 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:45" (1/1) ... [2024-10-31 22:15:45,127 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 122 [2024-10-31 22:15:45,128 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:15:45,129 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:15:45,129 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:15:45,129 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:15:45,146 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:45" (1/1) ... [2024-10-31 22:15:45,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:45" (1/1) ... [2024-10-31 22:15:45,152 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:45" (1/1) ... [2024-10-31 22:15:45,178 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:15:45,178 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:45" (1/1) ... [2024-10-31 22:15:45,179 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:45" (1/1) ... [2024-10-31 22:15:45,186 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:45" (1/1) ... [2024-10-31 22:15:45,197 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:45" (1/1) ... [2024-10-31 22:15:45,199 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:45" (1/1) ... [2024-10-31 22:15:45,201 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:45" (1/1) ... [2024-10-31 22:15:45,204 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:15:45,205 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:15:45,206 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:15:45,206 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:15:45,207 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:45" (1/1) ... [2024-10-31 22:15:45,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:15:45,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:45,252 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:45,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:15:45,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:15:45,286 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:15:45,286 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:15:45,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:15:45,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:15:45,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:15:45,372 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:15:45,375 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:15:45,866 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-10-31 22:15:45,866 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:15:45,887 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:15:45,887 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:15:45,889 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:15:45 BoogieIcfgContainer [2024-10-31 22:15:45,889 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:15:45,896 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:15:45,897 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:15:45,902 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:15:45,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:15:44" (1/3) ... [2024-10-31 22:15:45,904 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23cc3e7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:15:45, skipping insertion in model container [2024-10-31 22:15:45,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:45" (2/3) ... [2024-10-31 22:15:45,906 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23cc3e7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:15:45, skipping insertion in model container [2024-10-31 22:15:45,906 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:15:45" (3/3) ... [2024-10-31 22:15:45,908 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-1.i [2024-10-31 22:15:45,933 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:15:45,933 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:15:46,019 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:15:46,028 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4273ff71, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:15:46,029 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:15:46,034 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 43 states have internal predecessors, (61), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-31 22:15:46,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-31 22:15:46,048 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:15:46,049 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:46,050 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:15:46,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:46,058 INFO L85 PathProgramCache]: Analyzing trace with hash 587340486, now seen corresponding path program 1 times [2024-10-31 22:15:46,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:46,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383436282] [2024-10-31 22:15:46,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:46,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:46,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:15:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:46,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-31 22:15:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:46,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:15:46,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:46,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-31 22:15:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:46,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:15:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:46,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-31 22:15:46,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:46,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:15:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:46,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-31 22:15:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:46,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:15:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:46,445 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-10-31 22:15:46,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:46,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383436282] [2024-10-31 22:15:46,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383436282] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:46,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:46,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:46,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247646268] [2024-10-31 22:15:46,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:46,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:15:46,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:46,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:15:46,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:15:46,497 INFO L87 Difference]: Start difference. First operand has 54 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 43 states have internal predecessors, (61), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-31 22:15:46,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:15:46,537 INFO L93 Difference]: Finished difference Result 101 states and 161 transitions. [2024-10-31 22:15:46,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:15:46,540 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 66 [2024-10-31 22:15:46,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:15:46,551 INFO L225 Difference]: With dead ends: 101 [2024-10-31 22:15:46,551 INFO L226 Difference]: Without dead ends: 50 [2024-10-31 22:15:46,556 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:15:46,561 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:15:46,563 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:15:46,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-10-31 22:15:46,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-10-31 22:15:46,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 39 states have (on average 1.3846153846153846) internal successors, (54), 39 states have internal predecessors, (54), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-31 22:15:46,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 72 transitions. [2024-10-31 22:15:46,671 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 72 transitions. Word has length 66 [2024-10-31 22:15:46,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:15:46,674 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 72 transitions. [2024-10-31 22:15:46,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-31 22:15:46,676 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 72 transitions. [2024-10-31 22:15:46,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-10-31 22:15:46,681 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:15:46,681 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:46,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:15:46,682 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:15:46,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:46,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1190058936, now seen corresponding path program 1 times [2024-10-31 22:15:46,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:46,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903572186] [2024-10-31 22:15:46,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:46,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:46,849 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:15:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:15:46,988 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:15:46,989 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:15:46,991 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 22:15:46,994 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:15:46,998 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-31 22:15:47,090 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:15:47,096 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:15:47 BoogieIcfgContainer [2024-10-31 22:15:47,096 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:15:47,097 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:15:47,097 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:15:47,097 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:15:47,098 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:15:45" (3/4) ... [2024-10-31 22:15:47,106 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:15:47,107 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:15:47,108 INFO L158 Benchmark]: Toolchain (without parser) took 2497.27ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 129.0MB in the beginning and 155.0MB in the end (delta: -26.0MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2024-10-31 22:15:47,111 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 167.8MB. Free memory was 137.5MB in the beginning and 137.4MB in the end (delta: 148.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:15:47,112 INFO L158 Benchmark]: CACSL2BoogieTranslator took 451.90ms. Allocated memory is still 167.8MB. Free memory was 129.0MB in the beginning and 115.1MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 22:15:47,112 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.00ms. Allocated memory is still 167.8MB. Free memory was 115.1MB in the beginning and 112.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:15:47,113 INFO L158 Benchmark]: Boogie Preprocessor took 75.42ms. Allocated memory is still 167.8MB. Free memory was 112.8MB in the beginning and 110.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:15:47,114 INFO L158 Benchmark]: RCFGBuilder took 684.28ms. Allocated memory is still 167.8MB. Free memory was 110.7MB in the beginning and 95.0MB in the end (delta: 15.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-31 22:15:47,116 INFO L158 Benchmark]: TraceAbstraction took 1199.65ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 94.4MB in the beginning and 155.0MB in the end (delta: -60.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:15:47,120 INFO L158 Benchmark]: Witness Printer took 10.54ms. Allocated memory is still 201.3MB. Free memory is still 155.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:15:47,124 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 167.8MB. Free memory was 137.5MB in the beginning and 137.4MB in the end (delta: 148.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 451.90ms. Allocated memory is still 167.8MB. Free memory was 129.0MB in the beginning and 115.1MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.00ms. Allocated memory is still 167.8MB. Free memory was 115.1MB in the beginning and 112.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.42ms. Allocated memory is still 167.8MB. Free memory was 112.8MB in the beginning and 110.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 684.28ms. Allocated memory is still 167.8MB. Free memory was 110.7MB in the beginning and 95.0MB in the end (delta: 15.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1199.65ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 94.4MB in the beginning and 155.0MB in the end (delta: -60.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 10.54ms. Allocated memory is still 201.3MB. Free memory is still 155.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 86, overapproximation of someUnaryFLOAToperation at line 55. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 5.5; [L23] float var_1_4 = 256.2; [L24] unsigned char var_1_5 = 128; [L25] unsigned char var_1_9 = 25; [L26] signed char var_1_10 = 4; [L27] unsigned char var_1_11 = 0; [L28] unsigned char var_1_12 = 1; [L29] signed char var_1_13 = -1; [L30] signed long int var_1_14 = 256; [L31] float var_1_15 = 127.2; [L32] signed char last_1_var_1_10 = 4; [L33] signed long int last_1_var_1_14 = 256; [L34] float last_1_var_1_15 = 127.2; VAL [isInitial=0, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_4=1281/5, var_1_5=128, var_1_9=25] [L90] isInitial = 1 [L91] FCALL initially() [L92] COND TRUE 1 [L93] CALL updateLastVariables() [L81] last_1_var_1_10 = var_1_10 [L82] last_1_var_1_14 = var_1_14 [L83] last_1_var_1_15 = var_1_15 VAL [isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_4=1281/5, var_1_5=128, var_1_9=25] [L93] RET updateLastVariables() [L94] CALL updateVariables() [L65] var_1_4 = __VERIFIER_nondet_float() [L66] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=25] [L66] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=25] [L67] var_1_9 = __VERIFIER_nondet_uchar() [L68] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128] [L68] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128] [L69] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=-2] [L69] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=-2] [L70] var_1_11 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=-2] [L71] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=-2] [L72] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=-2] [L72] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=-2] [L73] var_1_12 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=-2] [L74] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=-2] [L75] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=-2] [L75] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=-1, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=-2] [L76] var_1_13 = __VERIFIER_nondet_char() [L77] CALL assume_abort_if_not(var_1_13 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=126, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=126, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=-2] [L77] RET assume_abort_if_not(var_1_13 >= -127) VAL [isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=126, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=-2] [L78] CALL assume_abort_if_not(var_1_13 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=126, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=-2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=126, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=-2] [L78] RET assume_abort_if_not(var_1_13 <= 126) VAL [isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=126, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=128, var_1_9=-2] [L94] RET updateVariables() [L95] CALL step() [L38] COND FALSE !(last_1_var_1_15 < ((((25.2f) < 0 ) ? -(25.2f) : (25.2f)))) [L45] var_1_5 = var_1_9 VAL [isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=126, var_1_14=256, var_1_15=636/5, var_1_1=11/2, var_1_5=-2, var_1_9=-2] [L47] var_1_14 = var_1_5 VAL [isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=126, var_1_14=254, var_1_15=636/5, var_1_1=11/2, var_1_5=-2, var_1_9=-2] [L48] COND FALSE !(\read(var_1_11)) VAL [isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=126, var_1_14=254, var_1_15=636/5, var_1_1=11/2, var_1_5=-2, var_1_9=-2] [L53] var_1_15 = var_1_4 VAL [isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=126, var_1_14=254, var_1_15=261, var_1_1=11/2, var_1_4=261, var_1_5=-2, var_1_9=-2] [L54] COND TRUE var_1_15 <= (- var_1_15) [L55] var_1_1 = ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) VAL [isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=126, var_1_14=254, var_1_15=261, var_1_1=261, var_1_4=261, var_1_5=-2, var_1_9=-2] [L95] RET step() [L96] CALL, EXPR property() [L86] EXPR ((var_1_15 <= (- var_1_15)) ? (var_1_1 == ((float) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : ((var_1_15 > var_1_15) ? (var_1_1 == ((float) var_1_4)) : (var_1_1 == ((float) var_1_4)))) && ((last_1_var_1_15 < ((((25.2f) < 0 ) ? -(25.2f) : (25.2f)))) ? ((((4 + last_1_var_1_10) ^ last_1_var_1_14) >= last_1_var_1_10) ? (var_1_5 == ((unsigned char) 0)) : (var_1_5 == ((unsigned char) var_1_9))) : (var_1_5 == ((unsigned char) var_1_9))) VAL [isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=126, var_1_14=254, var_1_15=261, var_1_1=261, var_1_4=261, var_1_5=-2, var_1_9=-2] [L86-L87] return (((((var_1_15 <= (- var_1_15)) ? (var_1_1 == ((float) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : ((var_1_15 > var_1_15) ? (var_1_1 == ((float) var_1_4)) : (var_1_1 == ((float) var_1_4)))) && ((last_1_var_1_15 < ((((25.2f) < 0 ) ? -(25.2f) : (25.2f)))) ? ((((4 + last_1_var_1_10) ^ last_1_var_1_14) >= last_1_var_1_10) ? (var_1_5 == ((unsigned char) 0)) : (var_1_5 == ((unsigned char) var_1_9))) : (var_1_5 == ((unsigned char) var_1_9)))) && (var_1_11 ? ((! var_1_12) ? (var_1_10 == ((signed char) var_1_13)) : 1) : 1)) && (var_1_14 == ((signed long int) var_1_5))) && (var_1_15 == ((float) var_1_4)) ; [L96] RET, EXPR property() [L96] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=126, var_1_14=254, var_1_15=261, var_1_1=261, var_1_4=261, var_1_5=-2, var_1_9=-2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=4, last_1_var_1_14=256, last_1_var_1_15=636/5, var_1_10=4, var_1_11=0, var_1_12=1, var_1_13=126, var_1_14=254, var_1_15=261, var_1_1=261, var_1_4=261, var_1_5=-2, var_1_9=-2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 9, 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, 72 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 72 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred 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: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 132 NumberOfCodeBlocks, 132 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 65 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 144/144 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-31 22:15:47,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU --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 ae547c4902f7e11f87d7994462416820855bf00f967c780d5442969e651ce2e2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:15:50,319 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:15:50,435 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-31 22:15:50,442 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:15:50,444 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:15:50,482 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:15:50,483 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:15:50,484 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:15:50,485 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:15:50,486 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:15:50,487 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:15:50,487 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:15:50,488 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:15:50,489 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:15:50,491 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:15:50,492 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:15:50,493 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:15:50,493 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:15:50,494 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:15:50,494 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:15:50,494 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:15:50,498 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:15:50,499 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:15:50,499 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:15:50,500 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:15:50,500 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:15:50,500 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:15:50,501 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:15:50,501 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:15:50,501 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:15:50,502 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:15:50,502 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:15:50,502 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:15:50,503 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:15:50,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:15:50,504 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:15:50,504 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:15:50,504 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:15:50,505 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:15:50,506 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:15:50,506 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:15:50,507 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:15:50,508 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:15:50,508 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:15:50,508 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:15:50,508 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_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae547c4902f7e11f87d7994462416820855bf00f967c780d5442969e651ce2e2 [2024-10-31 22:15:50,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:15:50,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:15:50,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:15:51,000 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:15:51,001 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:15:51,003 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-1.i Unable to find full path for "g++" [2024-10-31 22:15:53,379 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:15:53,659 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:15:53,660 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfa9da5-2077-4ae0-9112-56a507dbeaec/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-1.i [2024-10-31 22:15:53,671 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU/data/d1bea03e6/ff800a7df0964eb98fde82366b6a7420/FLAGe2111b292 [2024-10-31 22:15:53,687 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU/data/d1bea03e6/ff800a7df0964eb98fde82366b6a7420 [2024-10-31 22:15:53,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:15:53,692 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:15:53,693 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:15:53,693 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:15:53,699 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:15:53,700 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:15:53" (1/1) ... [2024-10-31 22:15:53,701 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1826bde6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:53, skipping insertion in model container [2024-10-31 22:15:53,702 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:15:53" (1/1) ... [2024-10-31 22:15:53,734 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:15:53,982 WARN L251 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_0bfa9da5-2077-4ae0-9112-56a507dbeaec/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-1.i[914,927] [2024-10-31 22:15:54,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:15:54,054 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:15:54,069 WARN L251 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_0bfa9da5-2077-4ae0-9112-56a507dbeaec/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-1.i[914,927] [2024-10-31 22:15:54,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:15:54,133 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:15:54,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:54 WrapperNode [2024-10-31 22:15:54,134 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:15:54,135 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:15:54,135 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:15:54,135 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:15:54,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:54" (1/1) ... [2024-10-31 22:15:54,156 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:54" (1/1) ... [2024-10-31 22:15:54,206 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 89 [2024-10-31 22:15:54,210 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:15:54,215 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:15:54,215 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:15:54,215 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:15:54,237 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:54" (1/1) ... [2024-10-31 22:15:54,237 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:54" (1/1) ... [2024-10-31 22:15:54,240 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:54" (1/1) ... [2024-10-31 22:15:54,261 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:15:54,261 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:54" (1/1) ... [2024-10-31 22:15:54,261 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:54" (1/1) ... [2024-10-31 22:15:54,285 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:54" (1/1) ... [2024-10-31 22:15:54,292 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:54" (1/1) ... [2024-10-31 22:15:54,297 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:54" (1/1) ... [2024-10-31 22:15:54,298 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:54" (1/1) ... [2024-10-31 22:15:54,305 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:15:54,310 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:15:54,311 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:15:54,311 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:15:54,312 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:54" (1/1) ... [2024-10-31 22:15:54,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:15:54,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:54,348 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:54,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:15:54,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:15:54,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 22:15:54,387 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:15:54,387 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:15:54,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:15:54,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:15:54,494 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:15:54,496 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:15:54,802 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-10-31 22:15:54,803 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:15:54,824 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:15:54,826 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:15:54,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:15:54 BoogieIcfgContainer [2024-10-31 22:15:54,827 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:15:54,830 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:15:54,830 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:15:54,834 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:15:54,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:15:53" (1/3) ... [2024-10-31 22:15:54,836 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@572c685f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:15:54, skipping insertion in model container [2024-10-31 22:15:54,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:54" (2/3) ... [2024-10-31 22:15:54,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@572c685f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:15:54, skipping insertion in model container [2024-10-31 22:15:54,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:15:54" (3/3) ... [2024-10-31 22:15:54,840 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-1.i [2024-10-31 22:15:54,863 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:15:54,864 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:15:54,949 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:15:54,957 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6519b24d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:15:54,958 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:15:54,963 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 30 states have internal predecessors, (40), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-31 22:15:54,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-31 22:15:54,975 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:15:54,976 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:54,977 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:15:54,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:54,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1768703162, now seen corresponding path program 1 times [2024-10-31 22:15:55,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:15:55,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1157039216] [2024-10-31 22:15:55,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:55,002 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:15:55,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:15:55,006 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-31 22:15:55,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-31 22:15:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:55,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-31 22:15:55,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:15:55,328 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-31 22:15:55,328 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:15:55,329 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:15:55,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1157039216] [2024-10-31 22:15:55,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1157039216] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:55,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:55,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:55,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468259543] [2024-10-31 22:15:55,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:55,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:15:55,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:15:55,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:15:55,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:15:55,368 INFO L87 Difference]: Start difference. First operand has 41 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 30 states have internal predecessors, (40), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-31 22:15:55,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:15:55,394 INFO L93 Difference]: Finished difference Result 75 states and 119 transitions. [2024-10-31 22:15:55,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:15:55,396 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 64 [2024-10-31 22:15:55,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:15:55,404 INFO L225 Difference]: With dead ends: 75 [2024-10-31 22:15:55,404 INFO L226 Difference]: Without dead ends: 37 [2024-10-31 22:15:55,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:15:55,412 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:15:55,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:15:55,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-10-31 22:15:55,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-10-31 22:15:55,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 26 states have internal predecessors, (32), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-31 22:15:55,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 50 transitions. [2024-10-31 22:15:55,455 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 50 transitions. Word has length 64 [2024-10-31 22:15:55,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:15:55,455 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 50 transitions. [2024-10-31 22:15:55,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-31 22:15:55,456 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2024-10-31 22:15:55,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-10-31 22:15:55,458 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:15:55,459 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:55,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-31 22:15:55,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:15:55,664 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:15:55,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:55,665 INFO L85 PathProgramCache]: Analyzing trace with hash 142294344, now seen corresponding path program 1 times [2024-10-31 22:15:55,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:15:55,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [702445225] [2024-10-31 22:15:55,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:55,666 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-31 22:15:55,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:15:55,668 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-31 22:15:55,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bfa9da5-2077-4ae0-9112-56a507dbeaec/bin/uautomizer-verify-4GaUIPS5ZU/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-31 22:15:55,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:55,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-31 22:15:55,858 INFO L278 TraceCheckSpWp]: Computing forward predicates...