./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-52.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/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_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-52.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/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_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/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 cb070cbac56f4132adf0ae0dc3c895d175df689a74443e8769847a39a55ce89b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:16:41,028 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:16:41,110 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 22:16:41,119 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:16:41,120 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:16:41,145 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:16:41,146 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:16:41,147 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:16:41,147 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:16:41,148 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:16:41,148 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:16:41,149 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:16:41,150 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:16:41,150 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:16:41,151 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:16:41,151 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:16:41,152 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:16:41,152 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:16:41,153 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:16:41,153 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:16:41,154 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:16:41,155 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:16:41,159 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:16:41,160 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:16:41,160 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:16:41,160 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:16:41,161 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:16:41,161 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:16:41,161 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:16:41,162 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:16:41,162 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:16:41,163 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:16:41,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:16:41,163 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:16:41,164 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:16:41,164 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:16:41,164 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:16:41,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:16:41,165 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:16:41,165 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:16:41,165 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:16:41,166 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:16:41,166 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_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb070cbac56f4132adf0ae0dc3c895d175df689a74443e8769847a39a55ce89b [2024-10-31 22:16:41,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:16:41,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:16:41,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:16:41,483 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:16:41,483 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:16:41,485 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-52.i Unable to find full path for "g++" [2024-10-31 22:16:43,515 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:16:43,701 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:16:43,701 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-52.i [2024-10-31 22:16:43,710 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/bin/uautomizer-verify-4GaUIPS5ZU/data/a3a8243d1/645d500696ee4c4ab2fa5a3eb5b1d4dc/FLAG34f9edfe0 [2024-10-31 22:16:44,074 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/bin/uautomizer-verify-4GaUIPS5ZU/data/a3a8243d1/645d500696ee4c4ab2fa5a3eb5b1d4dc [2024-10-31 22:16:44,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:16:44,078 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:16:44,080 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:16:44,080 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:16:44,086 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:16:44,087 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:16:44" (1/1) ... [2024-10-31 22:16:44,088 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d8b8224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:44, skipping insertion in model container [2024-10-31 22:16:44,088 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:16:44" (1/1) ... [2024-10-31 22:16:44,112 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:16:44,285 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_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-52.i[915,928] [2024-10-31 22:16:44,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:16:44,349 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:16:44,359 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_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-52.i[915,928] [2024-10-31 22:16:44,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:16:44,407 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:16:44,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:44 WrapperNode [2024-10-31 22:16:44,408 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:16:44,409 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:16:44,409 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:16:44,409 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:16:44,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:44" (1/1) ... [2024-10-31 22:16:44,431 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:44" (1/1) ... [2024-10-31 22:16:44,467 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2024-10-31 22:16:44,468 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:16:44,468 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:16:44,469 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:16:44,469 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:16:44,484 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:44" (1/1) ... [2024-10-31 22:16:44,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:44" (1/1) ... [2024-10-31 22:16:44,488 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:44" (1/1) ... [2024-10-31 22:16:44,504 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 22:16:44,504 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:44" (1/1) ... [2024-10-31 22:16:44,505 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:44" (1/1) ... [2024-10-31 22:16:44,512 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:44" (1/1) ... [2024-10-31 22:16:44,515 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:44" (1/1) ... [2024-10-31 22:16:44,517 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:44" (1/1) ... [2024-10-31 22:16:44,519 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:44" (1/1) ... [2024-10-31 22:16:44,522 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:16:44,523 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:16:44,523 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:16:44,524 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:16:44,524 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:44" (1/1) ... [2024-10-31 22:16:44,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:16:44,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:16:44,577 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:16:44,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:16:44,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:16:44,632 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:16:44,632 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:16:44,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:16:44,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:16:44,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:16:44,755 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:16:44,759 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:16:45,244 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-10-31 22:16:45,248 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:16:45,266 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:16:45,266 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:16:45,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:16:45 BoogieIcfgContainer [2024-10-31 22:16:45,267 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:16:45,271 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:16:45,271 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:16:45,275 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:16:45,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:16:44" (1/3) ... [2024-10-31 22:16:45,277 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c3a54a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:16:45, skipping insertion in model container [2024-10-31 22:16:45,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:44" (2/3) ... [2024-10-31 22:16:45,280 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c3a54a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:16:45, skipping insertion in model container [2024-10-31 22:16:45,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:16:45" (3/3) ... [2024-10-31 22:16:45,284 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-52.i [2024-10-31 22:16:45,312 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:16:45,312 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:16:45,396 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:16:45,404 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;@b63e363, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:16:45,405 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:16:45,410 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 32 states have (on average 1.28125) internal successors, (41), 33 states have internal predecessors, (41), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-31 22:16:45,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-31 22:16:45,426 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:16:45,427 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:16:45,428 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:16:45,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:45,435 INFO L85 PathProgramCache]: Analyzing trace with hash -1649595466, now seen corresponding path program 1 times [2024-10-31 22:16:45,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:45,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218219975] [2024-10-31 22:16:45,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:45,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:46,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 22:16:46,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:46,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-31 22:16:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:46,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:16:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:46,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-31 22:16:46,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:46,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:16:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:46,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-31 22:16:46,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:46,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 22:16:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:46,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-31 22:16:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:46,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-31 22:16:46,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:46,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-31 22:16:46,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:46,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-31 22:16:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:46,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-31 22:16:46,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:46,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-31 22:16:46,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:46,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-31 22:16:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:46,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-31 22:16:46,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:46,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-31 22:16:46,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:46,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-31 22:16:46,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:47,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-31 22:16:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:47,018 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 30 proven. 21 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-10-31 22:16:47,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:47,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218219975] [2024-10-31 22:16:47,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218219975] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:16:47,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210283878] [2024-10-31 22:16:47,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:47,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:16:47,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:16:47,027 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:16:47,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:16:47,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:47,200 INFO L255 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-31 22:16:47,214 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:16:47,865 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 326 proven. 36 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-10-31 22:16:47,865 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:16:48,361 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 30 proven. 21 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-10-31 22:16:48,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [210283878] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:16:48,363 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:16:48,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 7] total 17 [2024-10-31 22:16:48,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166414438] [2024-10-31 22:16:48,368 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:16:48,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-31 22:16:48,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:48,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-31 22:16:48,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2024-10-31 22:16:48,417 INFO L87 Difference]: Start difference. First operand has 53 states, 32 states have (on average 1.28125) internal successors, (41), 33 states have internal predecessors, (41), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 17 states, 17 states have (on average 3.176470588235294) internal successors, (54), 17 states have internal predecessors, (54), 4 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) [2024-10-31 22:16:50,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:16:50,239 INFO L93 Difference]: Finished difference Result 228 states and 378 transitions. [2024-10-31 22:16:50,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-10-31 22:16:50,242 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.176470588235294) internal successors, (54), 17 states have internal predecessors, (54), 4 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) Word has length 113 [2024-10-31 22:16:50,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:16:50,255 INFO L225 Difference]: With dead ends: 228 [2024-10-31 22:16:50,255 INFO L226 Difference]: Without dead ends: 166 [2024-10-31 22:16:50,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=461, Invalid=1345, Unknown=0, NotChecked=0, Total=1806 [2024-10-31 22:16:50,268 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 233 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 202 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 202 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-31 22:16:50,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 441 Invalid, 819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [202 Valid, 617 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-31 22:16:50,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-10-31 22:16:50,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 111. [2024-10-31 22:16:50,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 67 states have (on average 1.1194029850746268) internal successors, (75), 68 states have internal predecessors, (75), 36 states have call successors, (36), 7 states have call predecessors, (36), 7 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-10-31 22:16:50,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 147 transitions. [2024-10-31 22:16:50,383 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 147 transitions. Word has length 113 [2024-10-31 22:16:50,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:16:50,386 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 147 transitions. [2024-10-31 22:16:50,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.176470588235294) internal successors, (54), 17 states have internal predecessors, (54), 4 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (33), 4 states have call predecessors, (33), 4 states have call successors, (33) [2024-10-31 22:16:50,386 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 147 transitions. [2024-10-31 22:16:50,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-31 22:16:50,392 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:16:50,392 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:16:50,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 22:16:50,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-10-31 22:16:50,594 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:16:50,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:50,594 INFO L85 PathProgramCache]: Analyzing trace with hash -840248840, now seen corresponding path program 1 times [2024-10-31 22:16:50,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:50,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553329517] [2024-10-31 22:16:50,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:50,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:50,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:16:50,729 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:16:50,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:16:50,854 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:16:50,854 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 22:16:50,857 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 22:16:50,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:16:50,863 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-31 22:16:50,941 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:16:50,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:16:50 BoogieIcfgContainer [2024-10-31 22:16:50,944 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:16:50,945 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:16:50,945 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:16:50,945 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:16:50,946 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:16:45" (3/4) ... [2024-10-31 22:16:50,949 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 22:16:50,950 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:16:50,951 INFO L158 Benchmark]: Toolchain (without parser) took 6872.69ms. Allocated memory was 102.8MB in the beginning and 157.3MB in the end (delta: 54.5MB). Free memory was 65.8MB in the beginning and 47.1MB in the end (delta: 18.7MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2024-10-31 22:16:50,952 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 102.8MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:16:50,952 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.30ms. Allocated memory is still 102.8MB. Free memory was 65.5MB in the beginning and 51.0MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 22:16:50,955 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.79ms. Allocated memory is still 102.8MB. Free memory was 51.0MB in the beginning and 47.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:16:50,956 INFO L158 Benchmark]: Boogie Preprocessor took 54.12ms. Allocated memory is still 102.8MB. Free memory was 47.8MB in the beginning and 43.3MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:16:50,956 INFO L158 Benchmark]: RCFGBuilder took 744.14ms. Allocated memory was 102.8MB in the beginning and 130.0MB in the end (delta: 27.3MB). Free memory was 43.0MB in the beginning and 88.6MB in the end (delta: -45.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-31 22:16:50,961 INFO L158 Benchmark]: TraceAbstraction took 5673.53ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 88.0MB in the beginning and 47.1MB in the end (delta: 40.9MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2024-10-31 22:16:50,961 INFO L158 Benchmark]: Witness Printer took 5.68ms. Allocated memory is still 157.3MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:16:50,963 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 102.8MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 328.30ms. Allocated memory is still 102.8MB. Free memory was 65.5MB in the beginning and 51.0MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.79ms. Allocated memory is still 102.8MB. Free memory was 51.0MB in the beginning and 47.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.12ms. Allocated memory is still 102.8MB. Free memory was 47.8MB in the beginning and 43.3MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 744.14ms. Allocated memory was 102.8MB in the beginning and 130.0MB in the end (delta: 27.3MB). Free memory was 43.0MB in the beginning and 88.6MB in the end (delta: -45.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 5673.53ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 88.0MB in the beginning and 47.1MB in the end (delta: 40.9MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. * Witness Printer took 5.68ms. Allocated memory is still 157.3MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 92. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -4; [L23] double var_1_2 = 255.6; [L24] unsigned char var_1_5 = 1; [L25] unsigned char var_1_6 = 0; [L26] unsigned char var_1_7 = 0; [L27] unsigned char var_1_8 = 0; [L28] unsigned char var_1_9 = 8; [L29] double var_1_10 = 255.2; [L30] unsigned char var_1_11 = 64; [L31] unsigned char var_1_12 = 100; [L32] unsigned char var_1_13 = 32; [L33] unsigned char var_1_14 = 64; [L34] unsigned char var_1_15 = 0; VAL [isInitial=0, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_2=1278/5, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=8] [L96] isInitial = 1 [L97] FCALL initially() [L98] int k_loop; [L99] k_loop = 0 VAL [isInitial=1, k_loop=0, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_2=1278/5, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=8] [L99] COND TRUE k_loop < 1 [L100] FCALL updateLastVariables() [L101] CALL updateVariables() [L60] var_1_2 = __VERIFIER_nondet_double() [L61] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=8] [L61] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=8] [L62] var_1_6 = __VERIFIER_nondet_uchar() [L63] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_7=0, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_7=0, var_1_8=0, var_1_9=8] [L63] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_7=0, var_1_8=0, var_1_9=8] [L64] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=8] [L64] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=8] [L65] var_1_7 = __VERIFIER_nondet_uchar() [L66] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L66] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L67] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L67] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L68] var_1_8 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_9=8] [L69] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_9=8] [L70] CALL assume_abort_if_not(var_1_8 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L70] RET assume_abort_if_not(var_1_8 <= 0) VAL [isInitial=1, var_1_10=1276/5, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L71] var_1_10 = __VERIFIER_nondet_double() [L72] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L72] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=64, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L73] var_1_11 = __VERIFIER_nondet_uchar() [L74] CALL assume_abort_if_not(var_1_11 >= 63) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L74] RET assume_abort_if_not(var_1_11 >= 63) VAL [isInitial=1, var_1_11=63, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L75] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L75] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, var_1_11=63, var_1_12=100, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L76] var_1_12 = __VERIFIER_nondet_uchar() [L77] CALL assume_abort_if_not(var_1_12 >= 64) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L77] RET assume_abort_if_not(var_1_12 >= 64) VAL [isInitial=1, var_1_11=63, var_1_12=64, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L78] CALL assume_abort_if_not(var_1_12 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L78] RET assume_abort_if_not(var_1_12 <= 127) VAL [isInitial=1, var_1_11=63, var_1_12=64, var_1_13=32, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L79] var_1_13 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L80] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_11=63, var_1_12=64, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L81] CALL assume_abort_if_not(var_1_13 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L81] RET assume_abort_if_not(var_1_13 <= 127) VAL [isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=64, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L82] var_1_14 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L83] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L84] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L84] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L85] var_1_15 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L86] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L87] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L87] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=8] [L101] RET updateVariables() [L102] CALL step() [L38] COND TRUE (- var_1_2) <= var_1_10 [L39] var_1_9 = ((((((var_1_11 + var_1_12) - var_1_13)) < ((var_1_14 + var_1_15))) ? (((var_1_11 + var_1_12) - var_1_13)) : ((var_1_14 + var_1_15)))) VAL [isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_15=0, var_1_1=-4, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=0] [L43] COND TRUE var_1_2 < 63.75 [L44] var_1_1 = (10 - var_1_9) VAL [isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_15=0, var_1_1=10, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=0] [L48] signed long int stepLocal_0 = (var_1_9 / -256) * 32; VAL [isInitial=1, stepLocal_0=0, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_15=0, var_1_1=10, var_1_5=1, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=0] [L49] COND FALSE !(var_1_9 > stepLocal_0) [L56] var_1_5 = var_1_7 VAL [isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_15=0, var_1_1=10, var_1_5=-255, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=0] [L102] RET step() [L103] CALL, EXPR property() [L92-L93] return (((var_1_2 < 63.75) ? (var_1_1 == ((signed short int) (10 - var_1_9))) : (var_1_1 == ((signed short int) (4 + var_1_9)))) && ((var_1_9 > ((var_1_9 / -256) * 32)) ? (var_1_6 ? (var_1_5 == ((unsigned char) (! (var_1_7 && (! var_1_8))))) : (var_1_5 == ((unsigned char) var_1_7))) : (var_1_5 == ((unsigned char) var_1_7)))) && (((- var_1_2) <= var_1_10) ? (var_1_9 == ((unsigned char) ((((((var_1_11 + var_1_12) - var_1_13)) < ((var_1_14 + var_1_15))) ? (((var_1_11 + var_1_12) - var_1_13)) : ((var_1_14 + var_1_15)))))) : (var_1_9 == ((unsigned char) var_1_12))) ; VAL [\result=0, isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_15=0, var_1_1=10, var_1_5=-255, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=0] [L103] RET, EXPR property() [L103] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_15=0, var_1_1=10, var_1_5=-255, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_11=63, var_1_12=64, var_1_13=127, var_1_14=0, var_1_15=0, var_1_1=10, var_1_5=-255, var_1_6=1, var_1_7=-255, var_1_8=0, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.5s, OverallIterations: 2, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 245 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 233 mSDsluCounter, 441 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 351 mSDsCounter, 202 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 617 IncrementalHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 202 mSolverCounterUnsat, 90 mSDtfsCounter, 617 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 299 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred in iteration=1, InterpolantAutomatonStates: 36, 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, 55 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 339 NumberOfCodeBlocks, 339 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 336 ConstructedInterpolants, 0 QuantifiedInterpolants, 1121 SizeOfPredicates, 3 NumberOfNonLiveVariables, 251 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 3 InterpolantComputations, 0 PerfectInterpolantSequences, 1758/1836 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 22:16:51,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/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_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-52.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/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_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/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 cb070cbac56f4132adf0ae0dc3c895d175df689a74443e8769847a39a55ce89b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:16:53,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:16:53,794 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-31 22:16:53,803 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:16:53,803 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:16:53,843 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:16:53,844 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:16:53,844 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:16:53,845 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:16:53,846 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:16:53,847 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:16:53,847 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:16:53,848 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:16:53,848 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:16:53,848 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:16:53,849 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:16:53,849 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:16:53,852 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:16:53,853 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:16:53,853 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:16:53,854 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:16:53,854 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:16:53,854 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:16:53,855 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 22:16:53,855 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 22:16:53,855 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:16:53,856 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 22:16:53,856 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:16:53,856 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:16:53,856 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:16:53,857 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:16:53,857 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:16:53,861 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:16:53,862 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:16:53,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:16:53,862 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:16:53,863 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:16:53,863 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:16:53,863 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 22:16:53,863 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 22:16:53,864 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:16:53,866 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:16:53,866 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:16:53,867 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:16:53,867 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 22:16:53,867 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_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb070cbac56f4132adf0ae0dc3c895d175df689a74443e8769847a39a55ce89b [2024-10-31 22:16:54,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:16:54,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:16:54,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:16:54,296 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:16:54,297 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:16:54,299 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-52.i Unable to find full path for "g++" [2024-10-31 22:16:56,488 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:16:56,785 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:16:56,786 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-52.i [2024-10-31 22:16:56,803 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/bin/uautomizer-verify-4GaUIPS5ZU/data/d4075f471/cb157eed26d6422eb166c06f897930e7/FLAGf4aeb8cf9 [2024-10-31 22:16:56,818 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/bin/uautomizer-verify-4GaUIPS5ZU/data/d4075f471/cb157eed26d6422eb166c06f897930e7 [2024-10-31 22:16:56,820 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:16:56,821 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:16:56,823 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:16:56,823 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:16:56,828 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:16:56,828 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:16:56" (1/1) ... [2024-10-31 22:16:56,830 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6226c357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:56, skipping insertion in model container [2024-10-31 22:16:56,830 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:16:56" (1/1) ... [2024-10-31 22:16:56,855 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:16:57,073 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_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-52.i[915,928] [2024-10-31 22:16:57,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:16:57,186 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:16:57,202 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_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-52.i[915,928] [2024-10-31 22:16:57,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:16:57,296 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:16:57,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:57 WrapperNode [2024-10-31 22:16:57,297 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:16:57,298 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:16:57,298 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:16:57,298 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:16:57,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:57" (1/1) ... [2024-10-31 22:16:57,316 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:57" (1/1) ... [2024-10-31 22:16:57,349 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2024-10-31 22:16:57,350 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:16:57,351 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:16:57,351 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:16:57,351 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:16:57,365 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:57" (1/1) ... [2024-10-31 22:16:57,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:57" (1/1) ... [2024-10-31 22:16:57,372 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:57" (1/1) ... [2024-10-31 22:16:57,392 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 22:16:57,392 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:57" (1/1) ... [2024-10-31 22:16:57,393 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:57" (1/1) ... [2024-10-31 22:16:57,410 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:57" (1/1) ... [2024-10-31 22:16:57,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:57" (1/1) ... [2024-10-31 22:16:57,419 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:57" (1/1) ... [2024-10-31 22:16:57,420 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:57" (1/1) ... [2024-10-31 22:16:57,427 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:16:57,428 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:16:57,428 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:16:57,428 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:16:57,429 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:57" (1/1) ... [2024-10-31 22:16:57,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:16:57,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:16:57,470 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:16:57,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:16:57,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:16:57,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 22:16:57,508 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:16:57,508 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:16:57,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:16:57,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:16:57,642 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:16:57,645 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:16:58,018 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-10-31 22:16:58,019 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:16:58,042 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:16:58,043 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:16:58,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:16:58 BoogieIcfgContainer [2024-10-31 22:16:58,044 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:16:58,047 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:16:58,048 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:16:58,053 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:16:58,054 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:16:56" (1/3) ... [2024-10-31 22:16:58,055 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a28976f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:16:58, skipping insertion in model container [2024-10-31 22:16:58,056 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:16:57" (2/3) ... [2024-10-31 22:16:58,057 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a28976f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:16:58, skipping insertion in model container [2024-10-31 22:16:58,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:16:58" (3/3) ... [2024-10-31 22:16:58,059 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-52.i [2024-10-31 22:16:58,085 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:16:58,085 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:16:58,160 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:16:58,166 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;@7b173328, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:16:58,167 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:16:58,171 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 32 states have (on average 1.28125) internal successors, (41), 33 states have internal predecessors, (41), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-31 22:16:58,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-31 22:16:58,186 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:16:58,187 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:16:58,187 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:16:58,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:58,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1649595466, now seen corresponding path program 1 times [2024-10-31 22:16:58,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:16:58,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [798553609] [2024-10-31 22:16:58,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:58,216 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 22:16:58,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:16:58,220 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/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 22:16:58,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/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 22:16:58,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:58,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-31 22:16:58,503 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:16:59,069 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 326 proven. 36 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-10-31 22:16:59,071 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:16:59,524 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 30 proven. 21 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-10-31 22:16:59,527 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 22:16:59,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [798553609] [2024-10-31 22:16:59,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [798553609] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:16:59,528 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-31 22:16:59,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 15 [2024-10-31 22:16:59,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351074341] [2024-10-31 22:16:59,531 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-31 22:16:59,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-31 22:16:59,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 22:16:59,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-31 22:16:59,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-10-31 22:16:59,566 INFO L87 Difference]: Start difference. First operand has 53 states, 32 states have (on average 1.28125) internal successors, (41), 33 states have internal predecessors, (41), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 14 states have internal predecessors, (46), 4 states have call successors, (25), 3 states have call predecessors, (25), 5 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2024-10-31 22:17:01,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:17:01,452 INFO L93 Difference]: Finished difference Result 222 states and 371 transitions. [2024-10-31 22:17:01,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-10-31 22:17:01,455 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 14 states have internal predecessors, (46), 4 states have call successors, (25), 3 states have call predecessors, (25), 5 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 113 [2024-10-31 22:17:01,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:17:01,465 INFO L225 Difference]: With dead ends: 222 [2024-10-31 22:17:01,466 INFO L226 Difference]: Without dead ends: 160 [2024-10-31 22:17:01,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=343, Invalid=989, Unknown=0, NotChecked=0, Total=1332 [2024-10-31 22:17:01,474 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 121 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 485 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:17:01,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 370 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 485 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-31 22:17:01,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-10-31 22:17:01,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 60. [2024-10-31 22:17:01,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 38 states have (on average 1.1578947368421053) internal successors, (44), 38 states have internal predecessors, (44), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-31 22:17:01,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 80 transitions. [2024-10-31 22:17:01,555 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 80 transitions. Word has length 113 [2024-10-31 22:17:01,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:17:01,557 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 80 transitions. [2024-10-31 22:17:01,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 14 states have internal predecessors, (46), 4 states have call successors, (25), 3 states have call predecessors, (25), 5 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2024-10-31 22:17:01,558 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2024-10-31 22:17:01,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-31 22:17:01,563 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:01,563 INFO L215 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:17:01,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/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 22:17:01,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/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 22:17:01,764 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:17:01,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:01,765 INFO L85 PathProgramCache]: Analyzing trace with hash -840248840, now seen corresponding path program 1 times [2024-10-31 22:17:01,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 22:17:01,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1151777507] [2024-10-31 22:17:01,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:01,767 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 22:17:01,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 22:17:01,770 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/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 22:17:01,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4865b74-4150-4ddf-bc1d-8cd3cc49ef1d/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 22:17:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:01,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-31 22:17:01,958 INFO L278 TraceCheckSpWp]: Computing forward predicates...