./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-72.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_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/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_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/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_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/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 03b6c8c21580a8ecb4c1565f878b3061aaf6575afb72b6542060848d80b6e4a3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:56:08,234 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:56:08,327 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-31 21:56:08,331 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:56:08,331 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:56:08,354 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:56:08,357 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:56:08,357 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:56:08,358 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:56:08,358 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:56:08,359 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:56:08,359 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:56:08,360 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:56:08,362 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:56:08,363 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:56:08,363 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:56:08,364 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:56:08,364 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:56:08,364 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:56:08,364 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:56:08,365 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:56:08,365 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:56:08,366 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:56:08,366 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:56:08,366 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:56:08,367 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:56:08,367 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:56:08,367 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:56:08,368 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:56:08,368 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:56:08,368 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:56:08,369 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:56:08,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:56:08,370 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:56:08,370 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:56:08,370 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:56:08,371 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:56:08,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:56:08,371 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:56:08,372 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:56:08,372 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:56:08,373 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:56:08,373 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_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03b6c8c21580a8ecb4c1565f878b3061aaf6575afb72b6542060848d80b6e4a3 [2024-10-31 21:56:08,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:56:08,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:56:08,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:56:08,725 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:56:08,725 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:56:08,726 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-72.i Unable to find full path for "g++" [2024-10-31 21:56:10,792 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:56:11,033 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:56:11,033 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-72.i [2024-10-31 21:56:11,046 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/bin/uautomizer-verify-4GaUIPS5ZU/data/d270ccd5f/c8b1c4f671ed4ff58c36e899b113d354/FLAG5107a5e86 [2024-10-31 21:56:11,356 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/bin/uautomizer-verify-4GaUIPS5ZU/data/d270ccd5f/c8b1c4f671ed4ff58c36e899b113d354 [2024-10-31 21:56:11,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:56:11,361 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:56:11,362 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:56:11,363 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:56:11,370 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:56:11,371 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:56:11" (1/1) ... [2024-10-31 21:56:11,372 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@148fc2a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:11, skipping insertion in model container [2024-10-31 21:56:11,373 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:56:11" (1/1) ... [2024-10-31 21:56:11,406 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:56:11,640 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_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-72.i[917,930] [2024-10-31 21:56:11,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:56:11,699 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:56:11,712 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_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-72.i[917,930] [2024-10-31 21:56:11,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:56:11,761 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:56:11,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:11 WrapperNode [2024-10-31 21:56:11,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:56:11,763 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:56:11,763 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:56:11,763 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:56:11,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:11" (1/1) ... [2024-10-31 21:56:11,781 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:11" (1/1) ... [2024-10-31 21:56:11,808 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2024-10-31 21:56:11,808 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:56:11,809 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:56:11,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:56:11,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:56:11,822 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:11" (1/1) ... [2024-10-31 21:56:11,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:11" (1/1) ... [2024-10-31 21:56:11,825 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:11" (1/1) ... [2024-10-31 21:56:11,854 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 21:56:11,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:11" (1/1) ... [2024-10-31 21:56:11,854 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:11" (1/1) ... [2024-10-31 21:56:11,860 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:11" (1/1) ... [2024-10-31 21:56:11,863 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:11" (1/1) ... [2024-10-31 21:56:11,865 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:11" (1/1) ... [2024-10-31 21:56:11,866 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:11" (1/1) ... [2024-10-31 21:56:11,869 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:56:11,870 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:56:11,870 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:56:11,870 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:56:11,874 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:11" (1/1) ... [2024-10-31 21:56:11,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:56:11,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:11,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:11,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:56:11,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:56:11,967 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 21:56:11,967 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 21:56:11,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 21:56:11,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:56:11,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:56:12,069 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:56:12,074 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:56:12,411 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-10-31 21:56:12,411 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:56:12,424 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:56:12,424 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 21:56:12,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:56:12 BoogieIcfgContainer [2024-10-31 21:56:12,425 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:56:12,428 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:56:12,428 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:56:12,432 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:56:12,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:56:11" (1/3) ... [2024-10-31 21:56:12,433 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67a62ad1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:56:12, skipping insertion in model container [2024-10-31 21:56:12,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:11" (2/3) ... [2024-10-31 21:56:12,434 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67a62ad1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:56:12, skipping insertion in model container [2024-10-31 21:56:12,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:56:12" (3/3) ... [2024-10-31 21:56:12,436 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-72.i [2024-10-31 21:56:12,455 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:56:12,455 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 21:56:12,537 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:56:12,544 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;@7a748564, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:56:12,545 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 21:56:12,549 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-31 21:56:12,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-10-31 21:56:12,561 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:12,562 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:56:12,563 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:56:12,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:12,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1139680206, now seen corresponding path program 1 times [2024-10-31 21:56:12,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:12,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687153066] [2024-10-31 21:56:12,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:12,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:12,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-31 21:56:12,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:12,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-31 21:56:12,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:12,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 21:56:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:12,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 21:56:12,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:12,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 21:56:12,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:12,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 21:56:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:12,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-31 21:56:12,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:12,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 21:56:12,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:12,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 21:56:12,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:12,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 21:56:12,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:12,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 21:56:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:12,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-31 21:56:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:13,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-31 21:56:13,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:13,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-31 21:56:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:13,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-31 21:56:13,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:13,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-31 21:56:13,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:13,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-31 21:56:13,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:13,054 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-10-31 21:56:13,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:13,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687153066] [2024-10-31 21:56:13,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687153066] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:13,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:13,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:56:13,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833207716] [2024-10-31 21:56:13,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:13,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 21:56:13,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:13,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 21:56:13,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 21:56:13,094 INFO L87 Difference]: Start difference. First operand has 51 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-31 21:56:13,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:13,122 INFO L93 Difference]: Finished difference Result 95 states and 159 transitions. [2024-10-31 21:56:13,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 21:56:13,124 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 108 [2024-10-31 21:56:13,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:13,133 INFO L225 Difference]: With dead ends: 95 [2024-10-31 21:56:13,133 INFO L226 Difference]: Without dead ends: 47 [2024-10-31 21:56:13,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 21:56:13,144 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:13,145 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:56:13,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-10-31 21:56:13,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-10-31 21:56:13,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-31 21:56:13,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2024-10-31 21:56:13,202 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 108 [2024-10-31 21:56:13,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:13,204 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2024-10-31 21:56:13,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-31 21:56:13,205 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2024-10-31 21:56:13,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-10-31 21:56:13,213 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:13,213 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:56:13,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 21:56:13,214 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:56:13,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:13,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1936765112, now seen corresponding path program 1 times [2024-10-31 21:56:13,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:13,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016149489] [2024-10-31 21:56:13,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:13,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:13,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:13,444 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:13,674 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:13,675 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-31 21:56:13,677 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-31 21:56:13,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 21:56:13,683 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-31 21:56:13,806 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 21:56:13,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 09:56:13 BoogieIcfgContainer [2024-10-31 21:56:13,813 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 21:56:13,814 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 21:56:13,815 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 21:56:13,816 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 21:56:13,816 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:56:12" (3/4) ... [2024-10-31 21:56:13,819 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-10-31 21:56:13,820 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 21:56:13,821 INFO L158 Benchmark]: Toolchain (without parser) took 2460.75ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 135.0MB in the beginning and 151.8MB in the end (delta: -16.8MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2024-10-31 21:56:13,823 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 125.8MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:56:13,824 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.64ms. Allocated memory is still 165.7MB. Free memory was 135.0MB in the beginning and 125.8MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-31 21:56:13,824 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.61ms. Allocated memory is still 165.7MB. Free memory was 125.8MB in the beginning and 123.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 21:56:13,827 INFO L158 Benchmark]: Boogie Preprocessor took 59.95ms. Allocated memory is still 165.7MB. Free memory was 123.7MB in the beginning and 120.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 21:56:13,828 INFO L158 Benchmark]: RCFGBuilder took 555.30ms. Allocated memory is still 165.7MB. Free memory was 119.5MB in the beginning and 104.6MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-31 21:56:13,829 INFO L158 Benchmark]: TraceAbstraction took 1385.74ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 103.6MB in the beginning and 151.8MB in the end (delta: -48.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:56:13,829 INFO L158 Benchmark]: Witness Printer took 6.48ms. Allocated memory is still 199.2MB. Free memory is still 151.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 21:56:13,836 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 125.8MB. Free memory is still 93.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.64ms. Allocated memory is still 165.7MB. Free memory was 135.0MB in the beginning and 125.8MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.61ms. Allocated memory is still 165.7MB. Free memory was 125.8MB in the beginning and 123.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.95ms. Allocated memory is still 165.7MB. Free memory was 123.7MB in the beginning and 120.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 555.30ms. Allocated memory is still 165.7MB. Free memory was 119.5MB in the beginning and 104.6MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1385.74ms. Allocated memory was 165.7MB in the beginning and 199.2MB in the end (delta: 33.6MB). Free memory was 103.6MB in the beginning and 151.8MB in the end (delta: -48.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.48ms. Allocated memory is still 199.2MB. Free memory is still 151.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 83, overapproximation of someBinaryDOUBLEComparisonOperation at line 96. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_6 = 0; [L24] unsigned char var_1_8 = 1; [L25] unsigned char var_1_9 = 0; [L26] unsigned long int var_1_10 = 2; [L27] signed char var_1_11 = -16; [L28] signed char var_1_12 = -2; [L29] signed char var_1_13 = -10; [L30] signed char var_1_14 = 4; [L31] double var_1_15 = 256.4; [L32] float var_1_16 = 0.25; [L33] double var_1_17 = 1000000000.2; [L34] double var_1_18 = 50.5; [L35] double var_1_19 = 9.5; [L36] double var_1_20 = 1000000000.4; [L37] signed char var_1_21 = 4; [L38] unsigned short int var_1_22 = 10000; [L39] unsigned char last_1_var_1_1 = 1; [L40] double last_1_var_1_15 = 256.4; VAL [isInitial=0, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=0, var_1_8=1, var_1_9=0] [L100] isInitial = 1 [L101] FCALL initially() [L102] COND TRUE 1 [L103] CALL updateLastVariables() [L92] last_1_var_1_1 = var_1_1 [L93] last_1_var_1_15 = var_1_15 VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=0, var_1_8=1, var_1_9=0] [L103] RET updateLastVariables() [L104] CALL updateVariables() [L63] var_1_6 = __VERIFIER_nondet_uchar() [L64] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_8=1, var_1_9=0] [L64] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_8=1, var_1_9=0] [L65] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L65] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L66] var_1_8 = __VERIFIER_nondet_uchar() [L67] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_9=0] [L67] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_9=0] [L68] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L68] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L69] var_1_9 = __VERIFIER_nondet_uchar() [L70] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1] [L70] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1] [L71] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L71] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-2, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L72] var_1_12 = __VERIFIER_nondet_char() [L73] CALL assume_abort_if_not(var_1_12 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L73] RET assume_abort_if_not(var_1_12 >= -63) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L74] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L74] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=-10, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L75] var_1_13 = __VERIFIER_nondet_char() [L76] CALL assume_abort_if_not(var_1_13 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=62, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=62, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L76] RET assume_abort_if_not(var_1_13 >= -63) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=62, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L77] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=62, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=62, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L77] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=62, var_1_14=4, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L78] var_1_14 = __VERIFIER_nondet_char() [L79] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=62, var_1_14=11, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=62, var_1_14=11, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L79] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=62, var_1_14=11, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L80] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=62, var_1_14=11, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=62, var_1_14=11, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L80] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=62, var_1_14=11, var_1_15=1282/5, var_1_16=1/4, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L81] var_1_16 = __VERIFIER_nondet_float() [L82] CALL assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=62, var_1_14=11, var_1_15=1282/5, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=62, var_1_14=11, var_1_15=1282/5, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L82] RET assume_abort_if_not((var_1_16 >= -922337.2036854776000e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=62, var_1_14=11, var_1_15=1282/5, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L83] CALL assume_abort_if_not(var_1_16 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=62, var_1_14=11, var_1_15=1282/5, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=62, var_1_14=11, var_1_15=1282/5, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L83] RET assume_abort_if_not(var_1_16 != 0.0F) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=62, var_1_14=11, var_1_15=1282/5, var_1_17=5000000001/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L84] var_1_17 = __VERIFIER_nondet_double() [L85] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=62, var_1_14=11, var_1_15=1282/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=62, var_1_14=11, var_1_15=1282/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L85] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=62, var_1_14=11, var_1_15=1282/5, var_1_18=101/2, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L86] var_1_18 = __VERIFIER_nondet_double() [L87] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=62, var_1_14=11, var_1_15=1282/5, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=62, var_1_14=11, var_1_15=1282/5, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L87] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=62, var_1_14=11, var_1_15=1282/5, var_1_19=19/2, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L88] var_1_19 = __VERIFIER_nondet_double() [L89] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=62, var_1_14=11, var_1_15=1282/5, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=62, var_1_14=11, var_1_15=1282/5, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L89] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=62, var_1_14=11, var_1_15=1282/5, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L104] RET updateVariables() [L105] CALL step() [L44] COND FALSE !(\read(var_1_9)) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-16, var_1_12=-63, var_1_13=62, var_1_14=11, var_1_15=1282/5, var_1_1=1, var_1_20=5000000002/5, var_1_21=4, var_1_22=10000, var_1_6=1, var_1_8=1, var_1_9=0] [L47] var_1_11 = (((((var_1_12 + var_1_13)) < ((10 - var_1_14))) ? ((var_1_12 + var_1_13)) : ((10 - var_1_14)))) [L48] var_1_20 = var_1_19 [L49] var_1_21 = 1 [L50] var_1_22 = 10 VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-1, var_1_12=-63, var_1_13=62, var_1_14=11, var_1_15=1282/5, var_1_19=1000000005, var_1_1=1, var_1_20=1000000005, var_1_21=1, var_1_22=10, var_1_6=1, var_1_8=1, var_1_9=0] [L51] COND FALSE !((var_1_20 + (var_1_20 / var_1_16)) == var_1_20) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-1, var_1_12=-63, var_1_13=62, var_1_14=11, var_1_15=1282/5, var_1_19=1000000005, var_1_1=1, var_1_20=1000000005, var_1_21=1, var_1_22=10, var_1_6=1, var_1_8=1, var_1_9=0] [L58] COND TRUE var_1_20 < (((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15))) * var_1_15) [L59] var_1_1 = (var_1_6 && ((last_1_var_1_1 || var_1_8) && var_1_9)) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-1, var_1_12=-63, var_1_13=62, var_1_14=11, var_1_15=1282/5, var_1_19=1000000005, var_1_1=0, var_1_20=1000000005, var_1_21=1, var_1_22=10, var_1_6=1, var_1_8=1, var_1_9=0] [L105] RET step() [L106] CALL, EXPR property() [L96-L97] return (((((((var_1_20 < (((((var_1_15) < (var_1_15)) ? (var_1_15) : (var_1_15))) * var_1_15)) ? (var_1_1 == ((unsigned char) (var_1_6 && ((last_1_var_1_1 || var_1_8) && var_1_9)))) : 1) && (var_1_9 ? (var_1_10 == ((unsigned long int) 2u)) : 1)) && (var_1_11 == ((signed char) (((((var_1_12 + var_1_13)) < ((10 - var_1_14))) ? ((var_1_12 + var_1_13)) : ((10 - var_1_14))))))) && (((var_1_20 + (var_1_20 / var_1_16)) == var_1_20) ? ((var_1_20 >= last_1_var_1_15) ? (var_1_15 == ((double) (var_1_17 - (((((var_1_18 + var_1_19)) < (9.9999999999995E12)) ? ((var_1_18 + var_1_19)) : (9.9999999999995E12)))))) : (var_1_15 == ((double) ((((var_1_17) < ((5.75 + var_1_19))) ? (var_1_17) : ((5.75 + var_1_19))))))) : 1)) && (var_1_20 == ((double) var_1_19))) && (var_1_21 == ((signed char) 1))) && (var_1_22 == ((unsigned short int) 10)) ; VAL [\result=0, isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-1, var_1_12=-63, var_1_13=62, var_1_14=11, var_1_15=1282/5, var_1_19=1000000005, var_1_1=0, var_1_20=1000000005, var_1_21=1, var_1_22=10, var_1_6=1, var_1_8=1, var_1_9=0] [L106] RET, EXPR property() [L106] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-1, var_1_12=-63, var_1_13=62, var_1_14=11, var_1_15=1282/5, var_1_19=1000000005, var_1_1=0, var_1_20=1000000005, var_1_21=1, var_1_22=10, var_1_6=1, var_1_8=1, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_15=1282/5, last_1_var_1_1=1, var_1_10=2, var_1_11=-1, var_1_12=-63, var_1_13=62, var_1_14=11, var_1_15=1282/5, var_1_19=1000000005, var_1_1=0, var_1_20=1000000005, var_1_21=1, var_1_22=10, var_1_6=1, var_1_8=1, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 67 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 67 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 216 NumberOfCodeBlocks, 216 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 107 ConstructedInterpolants, 0 QuantifiedInterpolants, 107 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 544/544 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 21:56:13,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/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_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-72.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/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_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/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 03b6c8c21580a8ecb4c1565f878b3061aaf6575afb72b6542060848d80b6e4a3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:56:16,352 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:56:16,455 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-10-31 21:56:16,463 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:56:16,465 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:56:16,506 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:56:16,506 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:56:16,507 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:56:16,508 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:56:16,509 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:56:16,510 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:56:16,510 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:56:16,511 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:56:16,512 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:56:16,512 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:56:16,513 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:56:16,513 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:56:16,513 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 21:56:16,516 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 21:56:16,517 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:56:16,517 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:56:16,518 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:56:16,518 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:56:16,519 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-31 21:56:16,519 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-31 21:56:16,519 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:56:16,520 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-31 21:56:16,520 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 21:56:16,521 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:56:16,521 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:56:16,522 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:56:16,522 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:56:16,522 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:56:16,523 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:56:16,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:56:16,523 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:56:16,524 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:56:16,524 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:56:16,524 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-31 21:56:16,525 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-31 21:56:16,525 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:56:16,526 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:56:16,526 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:56:16,527 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:56:16,527 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-31 21:56:16,527 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_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03b6c8c21580a8ecb4c1565f878b3061aaf6575afb72b6542060848d80b6e4a3 [2024-10-31 21:56:16,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:56:16,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:56:16,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:56:16,972 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:56:16,973 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:56:16,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-72.i Unable to find full path for "g++" [2024-10-31 21:56:19,080 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:56:19,355 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:56:19,356 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-72.i [2024-10-31 21:56:19,367 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/bin/uautomizer-verify-4GaUIPS5ZU/data/eca9c072c/189a171578cc48b2bec0381129d26510/FLAGc2b8f9338 [2024-10-31 21:56:19,683 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/bin/uautomizer-verify-4GaUIPS5ZU/data/eca9c072c/189a171578cc48b2bec0381129d26510 [2024-10-31 21:56:19,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:56:19,691 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:56:19,695 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:56:19,695 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:56:19,702 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:56:19,702 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:56:19" (1/1) ... [2024-10-31 21:56:19,703 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d382850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:19, skipping insertion in model container [2024-10-31 21:56:19,704 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:56:19" (1/1) ... [2024-10-31 21:56:19,742 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:56:19,964 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_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-72.i[917,930] [2024-10-31 21:56:20,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:56:20,058 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:56:20,071 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_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-72.i[917,930] [2024-10-31 21:56:20,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:56:20,175 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:56:20,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:20 WrapperNode [2024-10-31 21:56:20,186 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:56:20,187 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:56:20,188 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:56:20,188 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:56:20,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:20" (1/1) ... [2024-10-31 21:56:20,217 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:20" (1/1) ... [2024-10-31 21:56:20,259 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2024-10-31 21:56:20,260 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:56:20,261 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:56:20,262 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:56:20,263 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:56:20,273 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:20" (1/1) ... [2024-10-31 21:56:20,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:20" (1/1) ... [2024-10-31 21:56:20,277 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:20" (1/1) ... [2024-10-31 21:56:20,296 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 21:56:20,300 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:20" (1/1) ... [2024-10-31 21:56:20,300 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:20" (1/1) ... [2024-10-31 21:56:20,316 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:20" (1/1) ... [2024-10-31 21:56:20,319 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:20" (1/1) ... [2024-10-31 21:56:20,325 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:20" (1/1) ... [2024-10-31 21:56:20,327 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:20" (1/1) ... [2024-10-31 21:56:20,333 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:56:20,338 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:56:20,338 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:56:20,339 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:56:20,339 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:20" (1/1) ... [2024-10-31 21:56:20,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:56:20,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:20,379 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:20,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:56:20,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:56:20,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-31 21:56:20,414 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 21:56:20,414 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 21:56:20,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:56:20,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:56:20,517 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:56:20,519 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:56:35,807 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-10-31 21:56:35,808 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:56:35,831 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:56:35,832 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 21:56:35,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:56:35 BoogieIcfgContainer [2024-10-31 21:56:35,833 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:56:35,835 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:56:35,836 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:56:35,839 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:56:35,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:56:19" (1/3) ... [2024-10-31 21:56:35,842 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ea437a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:56:35, skipping insertion in model container [2024-10-31 21:56:35,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:20" (2/3) ... [2024-10-31 21:56:35,844 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ea437a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:56:35, skipping insertion in model container [2024-10-31 21:56:35,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:56:35" (3/3) ... [2024-10-31 21:56:35,846 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-72.i [2024-10-31 21:56:35,871 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:56:35,872 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 21:56:35,955 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:56:35,967 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;@3c1c83f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:56:35,967 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 21:56:35,972 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-31 21:56:36,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-10-31 21:56:36,012 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:36,013 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:56:36,014 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:56:36,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:36,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1139680206, now seen corresponding path program 1 times [2024-10-31 21:56:36,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 21:56:36,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1897637773] [2024-10-31 21:56:36,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:36,040 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 21:56:36,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 21:56:36,044 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/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 21:56:36,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/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 21:56:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:37,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-31 21:56:37,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:38,058 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-10-31 21:56:38,062 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 21:56:38,062 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-31 21:56:38,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1897637773] [2024-10-31 21:56:38,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1897637773] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:38,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:38,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 21:56:38,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705162131] [2024-10-31 21:56:38,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:38,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 21:56:38,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-31 21:56:38,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 21:56:38,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 21:56:38,107 INFO L87 Difference]: Start difference. First operand has 51 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 32 states have internal predecessors, (40), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-31 21:56:38,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:38,159 INFO L93 Difference]: Finished difference Result 95 states and 159 transitions. [2024-10-31 21:56:38,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 21:56:38,162 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 108 [2024-10-31 21:56:38,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 21:56:38,174 INFO L225 Difference]: With dead ends: 95 [2024-10-31 21:56:38,174 INFO L226 Difference]: Without dead ends: 47 [2024-10-31 21:56:38,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 21:56:38,185 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 21:56:38,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 21:56:38,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-10-31 21:56:38,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-10-31 21:56:38,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 28 states have internal predecessors, (33), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-31 21:56:38,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2024-10-31 21:56:38,261 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 108 [2024-10-31 21:56:38,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 21:56:38,262 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2024-10-31 21:56:38,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-10-31 21:56:38,262 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2024-10-31 21:56:38,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-10-31 21:56:38,266 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:56:38,267 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:56:38,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/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 21:56:38,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/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 21:56:38,468 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:56:38,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:38,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1936765112, now seen corresponding path program 1 times [2024-10-31 21:56:38,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-31 21:56:38,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1810069431] [2024-10-31 21:56:38,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:38,475 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 21:56:38,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/bin/uautomizer-verify-4GaUIPS5ZU/mathsat [2024-10-31 21:56:38,480 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/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 21:56:38,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a6faba-4ba2-47bc-a0a9-96a41b2860c3/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 21:56:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:40,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-10-31 21:56:40,384 INFO L278 TraceCheckSpWp]: Computing forward predicates...