./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1211b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1211b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd --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 357cd7c68915d75ef7cc5bde5b81cbcf327e780f04b059068444ae319e85eb5a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:14:24,068 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:14:24,167 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-13 14:14:24,174 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:14:24,174 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:14:24,208 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:14:24,209 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:14:24,209 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:14:24,209 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:14:24,209 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:14:24,209 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:14:24,209 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:14:24,210 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:14:24,210 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:14:24,210 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:14:24,210 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:14:24,210 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:14:24,210 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:14:24,210 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:14:24,211 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:14:24,211 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:14:24,213 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:14:24,213 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:14:24,213 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:14:24,213 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:14:24,213 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:14:24,213 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:14:24,213 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:14:24,214 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:14:24,214 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:14:24,214 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:14:24,214 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:14:24,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:14:24,214 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:14:24,215 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:14:24,215 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:14:24,215 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:14:24,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:14:24,215 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:14:24,215 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:14:24,215 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:14:24,215 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:14:24,216 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd 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 -> 357cd7c68915d75ef7cc5bde5b81cbcf327e780f04b059068444ae319e85eb5a [2024-11-13 14:14:24,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:14:24,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:14:24,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:14:24,524 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:14:24,524 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:14:24,526 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/float-newlib/double_req_bl_1211b.c Unable to find full path for "g++" [2024-11-13 14:14:26,450 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:14:26,702 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:14:26,703 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/sv-benchmarks/c/float-newlib/double_req_bl_1211b.c [2024-11-13 14:14:26,715 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/data/e78d048ae/f23fa2fcc9ef4813a8fcdb49db800399/FLAG77cf045c7 [2024-11-13 14:14:26,738 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/data/e78d048ae/f23fa2fcc9ef4813a8fcdb49db800399 [2024-11-13 14:14:26,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:14:26,746 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:14:26,747 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:14:26,747 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:14:26,751 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:14:26,753 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:14:26" (1/1) ... [2024-11-13 14:14:26,756 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e13f414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:26, skipping insertion in model container [2024-11-13 14:14:26,756 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:14:26" (1/1) ... [2024-11-13 14:14:26,780 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:14:26,998 WARN L250 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_3ea252e6-0b65-47f8-b354-c5c798eeaa20/sv-benchmarks/c/float-newlib/double_req_bl_1211b.c[3718,3731] [2024-11-13 14:14:27,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:14:27,009 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:14:27,073 WARN L250 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_3ea252e6-0b65-47f8-b354-c5c798eeaa20/sv-benchmarks/c/float-newlib/double_req_bl_1211b.c[3718,3731] [2024-11-13 14:14:27,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:14:27,104 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:14:27,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:27 WrapperNode [2024-11-13 14:14:27,105 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:14:27,107 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:14:27,108 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:14:27,108 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:14:27,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:27" (1/1) ... [2024-11-13 14:14:27,130 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:27" (1/1) ... [2024-11-13 14:14:27,179 INFO L138 Inliner]: procedures = 20, calls = 80, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 328 [2024-11-13 14:14:27,179 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:14:27,180 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:14:27,180 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:14:27,180 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:14:27,190 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:27" (1/1) ... [2024-11-13 14:14:27,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:27" (1/1) ... [2024-11-13 14:14:27,195 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:27" (1/1) ... [2024-11-13 14:14:27,238 INFO L175 MemorySlicer]: Split 44 memory accesses to 14 slices as follows [2, 3, 2, 2, 2, 10, 3, 2, 3, 3, 3, 3, 3, 3]. 23 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0]. The 24 writes are split as follows [0, 1, 1, 1, 1, 6, 2, 1, 2, 2, 2, 2, 2, 1]. [2024-11-13 14:14:27,238 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:27" (1/1) ... [2024-11-13 14:14:27,238 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:27" (1/1) ... [2024-11-13 14:14:27,269 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:27" (1/1) ... [2024-11-13 14:14:27,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:27" (1/1) ... [2024-11-13 14:14:27,286 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:27" (1/1) ... [2024-11-13 14:14:27,288 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:27" (1/1) ... [2024-11-13 14:14:27,293 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:14:27,293 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:14:27,294 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:14:27,294 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:14:27,295 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:27" (1/1) ... [2024-11-13 14:14:27,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:14:27,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:14:27,335 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:14:27,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:14:27,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:14:27,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:14:27,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 14:14:27,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 14:14:27,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 14:14:27,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-13 14:14:27,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-13 14:14:27,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-13 14:14:27,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-13 14:14:27,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-13 14:14:27,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-13 14:14:27,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-13 14:14:27,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-13 14:14:27,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-13 14:14:27,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-13 14:14:27,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 14:14:27,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-13 14:14:27,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-13 14:14:27,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-13 14:14:27,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-13 14:14:27,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-13 14:14:27,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-13 14:14:27,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-13 14:14:27,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-13 14:14:27,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-11-13 14:14:27,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-11-13 14:14:27,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-11-13 14:14:27,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-11-13 14:14:27,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-11-13 14:14:27,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2024-11-13 14:14:27,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 14:14:27,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 14:14:27,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 14:14:27,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-13 14:14:27,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-13 14:14:27,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-13 14:14:27,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-13 14:14:27,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-13 14:14:27,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-13 14:14:27,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-13 14:14:27,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-13 14:14:27,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-13 14:14:27,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-13 14:14:27,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-13 14:14:27,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-13 14:14:27,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-13 14:14:27,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-13 14:14:27,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-13 14:14:27,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-13 14:14:27,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-13 14:14:27,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-13 14:14:27,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-13 14:14:27,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-11-13 14:14:27,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-11-13 14:14:27,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-11-13 14:14:27,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-11-13 14:14:27,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-11-13 14:14:27,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2024-11-13 14:14:27,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:14:27,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:14:27,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-13 14:14:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-13 14:14:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-13 14:14:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-13 14:14:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-13 14:14:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-13 14:14:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-13 14:14:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-11-13 14:14:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-11-13 14:14:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-11-13 14:14:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-11-13 14:14:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-11-13 14:14:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-11-13 14:14:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#13 [2024-11-13 14:14:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 14:14:27,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 14:14:27,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 14:14:27,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-13 14:14:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-13 14:14:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-13 14:14:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-13 14:14:27,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-13 14:14:27,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-13 14:14:27,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-13 14:14:27,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-13 14:14:27,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-13 14:14:27,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-13 14:14:27,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-13 14:14:27,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 14:14:27,616 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:14:27,618 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:14:28,182 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2024-11-13 14:14:28,182 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:14:28,192 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:14:28,192 INFO L316 CfgBuilder]: Removed 24 assume(true) statements. [2024-11-13 14:14:28,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:14:28 BoogieIcfgContainer [2024-11-13 14:14:28,193 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:14:28,195 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:14:28,195 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:14:28,200 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:14:28,200 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:14:26" (1/3) ... [2024-11-13 14:14:28,201 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78ee112f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:14:28, skipping insertion in model container [2024-11-13 14:14:28,201 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:27" (2/3) ... [2024-11-13 14:14:28,201 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78ee112f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:14:28, skipping insertion in model container [2024-11-13 14:14:28,201 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:14:28" (3/3) ... [2024-11-13 14:14:28,202 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1211b.c [2024-11-13 14:14:28,218 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:14:28,220 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_1211b.c that has 1 procedures, 86 locations, 1 initial locations, 12 loop locations, and 1 error locations. [2024-11-13 14:14:28,279 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:14:28,298 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;@6892ac3e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:14:28,299 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:14:28,303 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 84 states have (on average 1.6071428571428572) internal successors, (135), 85 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:14:28,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 14:14:28,312 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:14:28,313 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:14:28,313 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:14:28,340 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:14:28,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1407178310, now seen corresponding path program 1 times [2024-11-13 14:14:28,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:14:28,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994317194] [2024-11-13 14:14:28,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:14:28,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:14:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:28,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:14:28,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:14:28,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994317194] [2024-11-13 14:14:28,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994317194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:14:28,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:14:28,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:14:28,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3466130] [2024-11-13 14:14:28,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:14:28,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 14:14:28,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:14:28,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 14:14:28,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:14:28,571 INFO L87 Difference]: Start difference. First operand has 86 states, 84 states have (on average 1.6071428571428572) internal successors, (135), 85 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:14:28,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:14:28,594 INFO L93 Difference]: Finished difference Result 170 states and 268 transitions. [2024-11-13 14:14:28,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 14:14:28,596 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-13 14:14:28,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:14:28,604 INFO L225 Difference]: With dead ends: 170 [2024-11-13 14:14:28,604 INFO L226 Difference]: Without dead ends: 83 [2024-11-13 14:14:28,607 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:14:28,610 INFO L432 NwaCegarLoop]: 110 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, 110 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 [2024-11-13 14:14:28,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:14:28,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-13 14:14:28,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-13 14:14:28,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 82 states have (on average 1.3048780487804879) internal successors, (107), 82 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:14:28,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 107 transitions. [2024-11-13 14:14:28,647 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 107 transitions. Word has length 20 [2024-11-13 14:14:28,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:14:28,647 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 107 transitions. [2024-11-13 14:14:28,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.0) internal successors, (20), 2 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:14:28,648 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 107 transitions. [2024-11-13 14:14:28,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 14:14:28,649 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:14:28,650 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:14:28,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:14:28,654 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:14:28,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:14:28,655 INFO L85 PathProgramCache]: Analyzing trace with hash -101172864, now seen corresponding path program 1 times [2024-11-13 14:14:28,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:14:28,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258946614] [2024-11-13 14:14:28,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:14:28,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:14:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:28,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:14:28,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:14:28,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258946614] [2024-11-13 14:14:28,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258946614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:14:28,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:14:28,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:14:28,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987121692] [2024-11-13 14:14:28,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:14:28,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:14:28,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:14:28,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:14:28,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:14:28,924 INFO L87 Difference]: Start difference. First operand 83 states and 107 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:14:28,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:14:28,955 INFO L93 Difference]: Finished difference Result 86 states and 109 transitions. [2024-11-13 14:14:28,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:14:28,956 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2024-11-13 14:14:28,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:14:28,957 INFO L225 Difference]: With dead ends: 86 [2024-11-13 14:14:28,958 INFO L226 Difference]: Without dead ends: 83 [2024-11-13 14:14:28,958 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:14:28,959 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 0 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:14:28,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 208 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:14:28,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-13 14:14:28,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-13 14:14:28,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 82 states have (on average 1.2926829268292683) internal successors, (106), 82 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:14:28,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 106 transitions. [2024-11-13 14:14:28,970 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 106 transitions. Word has length 23 [2024-11-13 14:14:28,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:14:28,970 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 106 transitions. [2024-11-13 14:14:28,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:14:28,970 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 106 transitions. [2024-11-13 14:14:28,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 14:14:28,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:14:28,971 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:14:28,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:14:28,972 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:14:28,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:14:28,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1535649163, now seen corresponding path program 1 times [2024-11-13 14:14:28,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:14:28,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055894531] [2024-11-13 14:14:28,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:14:28,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:14:29,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:29,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:14:29,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:14:29,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055894531] [2024-11-13 14:14:29,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055894531] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:14:29,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:14:29,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:14:29,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837390167] [2024-11-13 14:14:29,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:14:29,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:14:29,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:14:29,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:14:29,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:14:29,581 INFO L87 Difference]: Start difference. First operand 83 states and 106 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:14:29,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:14:29,665 INFO L93 Difference]: Finished difference Result 99 states and 124 transitions. [2024-11-13 14:14:29,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:14:29,667 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2024-11-13 14:14:29,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:14:29,668 INFO L225 Difference]: With dead ends: 99 [2024-11-13 14:14:29,668 INFO L226 Difference]: Without dead ends: 87 [2024-11-13 14:14:29,669 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:14:29,669 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 2 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:14:29,670 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 291 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:14:29,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-13 14:14:29,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 86. [2024-11-13 14:14:29,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 85 states have (on average 1.2823529411764707) internal successors, (109), 85 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:14:29,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 109 transitions. [2024-11-13 14:14:29,681 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 109 transitions. Word has length 25 [2024-11-13 14:14:29,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:14:29,682 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 109 transitions. [2024-11-13 14:14:29,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:14:29,682 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 109 transitions. [2024-11-13 14:14:29,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 14:14:29,683 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:14:29,683 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:14:29,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 14:14:29,684 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:14:29,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:14:29,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1044771038, now seen corresponding path program 1 times [2024-11-13 14:14:29,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:14:29,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720394507] [2024-11-13 14:14:29,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:14:29,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:14:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:14:29,789 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 14:14:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 14:14:29,897 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 14:14:29,897 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-13 14:14:29,899 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 14:14:29,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 14:14:29,904 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-13 14:14:29,938 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:14:29,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:14:29 BoogieIcfgContainer [2024-11-13 14:14:29,944 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:14:29,945 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:14:29,946 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:14:29,946 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:14:29,947 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:14:28" (3/4) ... [2024-11-13 14:14:29,950 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 14:14:29,951 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:14:29,953 INFO L158 Benchmark]: Toolchain (without parser) took 3206.33ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 48.4MB in the end (delta: 44.5MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2024-11-13 14:14:29,953 INFO L158 Benchmark]: CDTParser took 0.88ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:14:29,954 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.20ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 79.5MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:14:29,954 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.28ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 77.0MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:14:29,955 INFO L158 Benchmark]: Boogie Preprocessor took 112.97ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 73.0MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:14:29,955 INFO L158 Benchmark]: RCFGBuilder took 899.47ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 44.7MB in the end (delta: 28.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 14:14:29,956 INFO L158 Benchmark]: TraceAbstraction took 1749.10ms. Allocated memory is still 117.4MB. Free memory was 44.1MB in the beginning and 49.1MB in the end (delta: -5.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:14:29,958 INFO L158 Benchmark]: Witness Printer took 6.26ms. Allocated memory is still 117.4MB. Free memory was 49.1MB in the beginning and 48.4MB in the end (delta: 763.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:14:29,960 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.20ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 79.5MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.28ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 77.0MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 112.97ms. Allocated memory is still 117.4MB. Free memory was 77.0MB in the beginning and 73.0MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 899.47ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 44.7MB in the end (delta: 28.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1749.10ms. Allocated memory is still 117.4MB. Free memory was 44.1MB in the beginning and 49.1MB in the end (delta: -5.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.26ms. Allocated memory is still 117.4MB. Free memory was 49.1MB in the beginning and 48.4MB in the end (delta: 763.6kB). 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: 152]: 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 someBinaryArithmeticDOUBLEoperation at line 146, overapproximation of someBinaryDOUBLEComparisonOperation at line 151. Possible FailurePath: [L20] static const double one_modf = 1.0; VAL [one_modf=1] [L146] double x = -1.0 / 0.0; [L147] double iptr = __VERIFIER_nondet_double(); [L147] double iptr = __VERIFIER_nondet_double(); [L148] CALL, EXPR modf_double(x, &iptr) [L23] __int32_t i0, i1, j0; [L24] __uint32_t i; VAL [iptr={6:0}, one_modf=1, x=4294967319] [L26] ieee_double_shape_type ew_u; [L27] ew_u.value = (x) [L28] EXPR ew_u.parts.msw [L28] (i0) = ew_u.parts.msw [L29] EXPR ew_u.parts.lsw [L29] (i1) = ew_u.parts.lsw [L31] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [i0=0, i1=0, iptr={6:0}, j0=-1023, one_modf=1, x=4294967319] [L32] COND TRUE j0 < 20 VAL [one_modf=1] [L33] COND TRUE j0 < 0 VAL [one_modf=1] [L35] ieee_double_shape_type iw_u; [L36] iw_u.parts.msw = (i0 & 0x80000000) [L37] iw_u.parts.lsw = (0) [L38] EXPR iw_u.value [L38] (*iptr) = iw_u.value [L40] return x; VAL [\result=4294967319, i0=0, i1=0, iptr={6:0}, one_modf=1] [L148] RET, EXPR modf_double(x, &iptr) [L148] double res = modf_double(x, &iptr); [L151] EXPR \read(iptr) [L151] CALL, EXPR isinf_double(iptr) [L114] __int32_t hx, lx; VAL [one_modf=1, x=4294967321] [L116] ieee_double_shape_type ew_u; [L117] ew_u.value = (x) [L118] EXPR ew_u.parts.msw [L118] (hx) = ew_u.parts.msw [L119] EXPR ew_u.parts.lsw [L119] (lx) = ew_u.parts.lsw [L121] hx &= 0x7fffffff VAL [hx=2146435072, lx=0, one_modf=1, x=4294967321] [L122] EXPR lx | (-lx) VAL [hx=2146435072, one_modf=1, x=4294967321] [L122] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L123] hx = 0x7ff00000 - hx VAL [hx=0, one_modf=1, x=4294967321] [L124] EXPR hx | (-hx) VAL [one_modf=1, x=4294967321] [L124] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L151] RET, EXPR isinf_double(iptr) [L151] isinf_double(iptr) && !(res == -0.0 && __signbit_double(res) == 1) VAL [one_modf=1, res=4294967319] [L151] isinf_double(iptr) && !(res == -0.0 && __signbit_double(res) == 1) [L151] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [one_modf=1, res=4294967319] [L151] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [one_modf=1] [L151] isinf_double(iptr) && !(res == -0.0 && __signbit_double(res) == 1) VAL [one_modf=1, res=4294967319] [L151] COND TRUE isinf_double(iptr) && !(res == -0.0 && __signbit_double(res) == 1) [L152] reach_error() VAL [one_modf=1, res=4294967319] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 86 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 609 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 290 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 319 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 3 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 82 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 14:14:29,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1211b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd --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 357cd7c68915d75ef7cc5bde5b81cbcf327e780f04b059068444ae319e85eb5a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:14:32,741 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:14:32,874 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-13 14:14:32,881 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:14:32,883 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:14:32,920 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:14:32,920 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:14:32,920 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:14:32,921 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:14:32,921 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:14:32,921 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:14:32,921 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:14:32,921 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:14:32,921 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:14:32,921 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:14:32,922 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:14:32,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:14:32,923 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:14:32,923 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:14:32,924 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:14:32,924 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:14:32,924 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:14:32,924 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:14:32,924 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 14:14:32,924 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 14:14:32,925 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:14:32,925 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 14:14:32,925 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:14:32,925 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:14:32,925 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:14:32,925 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:14:32,925 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:14:32,925 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:14:32,926 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:14:32,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:14:32,926 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:14:32,926 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:14:32,927 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:14:32,927 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 14:14:32,927 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 14:14:32,927 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:14:32,927 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:14:32,927 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:14:32,927 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:14:32,927 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd 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 -> 357cd7c68915d75ef7cc5bde5b81cbcf327e780f04b059068444ae319e85eb5a [2024-11-13 14:14:33,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:14:33,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:14:33,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:14:33,269 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:14:33,269 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:14:33,270 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/float-newlib/double_req_bl_1211b.c Unable to find full path for "g++" [2024-11-13 14:14:35,173 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:14:35,480 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:14:35,484 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/sv-benchmarks/c/float-newlib/double_req_bl_1211b.c [2024-11-13 14:14:35,495 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/data/97dcd9c1e/b0894b1b2afb4aa1acbce8853fd51c3b/FLAG81de240c1 [2024-11-13 14:14:35,519 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/data/97dcd9c1e/b0894b1b2afb4aa1acbce8853fd51c3b [2024-11-13 14:14:35,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:14:35,523 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:14:35,526 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:14:35,526 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:14:35,531 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:14:35,532 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:14:35" (1/1) ... [2024-11-13 14:14:35,534 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4575da37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:35, skipping insertion in model container [2024-11-13 14:14:35,535 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:14:35" (1/1) ... [2024-11-13 14:14:35,557 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:14:35,789 WARN L250 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_3ea252e6-0b65-47f8-b354-c5c798eeaa20/sv-benchmarks/c/float-newlib/double_req_bl_1211b.c[3718,3731] [2024-11-13 14:14:35,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:14:35,810 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:14:35,862 WARN L250 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_3ea252e6-0b65-47f8-b354-c5c798eeaa20/sv-benchmarks/c/float-newlib/double_req_bl_1211b.c[3718,3731] [2024-11-13 14:14:35,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:14:35,880 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:14:35,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:35 WrapperNode [2024-11-13 14:14:35,880 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:14:35,882 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:14:35,882 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:14:35,882 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:14:35,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:35" (1/1) ... [2024-11-13 14:14:35,908 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:35" (1/1) ... [2024-11-13 14:14:35,951 INFO L138 Inliner]: procedures = 23, calls = 80, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 247 [2024-11-13 14:14:35,951 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:14:35,952 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:14:35,952 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:14:35,952 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:14:35,961 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:35" (1/1) ... [2024-11-13 14:14:35,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:35" (1/1) ... [2024-11-13 14:14:35,970 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:35" (1/1) ... [2024-11-13 14:14:36,008 INFO L175 MemorySlicer]: Split 44 memory accesses to 14 slices as follows [2, 2, 3, 2, 3, 3, 3, 3, 3, 3, 3, 10, 2, 2]. 23 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0]. The 24 writes are split as follows [0, 1, 2, 1, 2, 2, 2, 2, 1, 2, 1, 6, 1, 1]. [2024-11-13 14:14:36,010 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:35" (1/1) ... [2024-11-13 14:14:36,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:35" (1/1) ... [2024-11-13 14:14:36,048 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:35" (1/1) ... [2024-11-13 14:14:36,058 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:35" (1/1) ... [2024-11-13 14:14:36,062 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:35" (1/1) ... [2024-11-13 14:14:36,064 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:35" (1/1) ... [2024-11-13 14:14:36,070 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:14:36,071 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:14:36,071 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:14:36,071 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:14:36,072 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:35" (1/1) ... [2024-11-13 14:14:36,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:14:36,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:14:36,108 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:14:36,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:14:36,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:14:36,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-13 14:14:36,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-13 14:14:36,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-13 14:14:36,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-13 14:14:36,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-13 14:14:36,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-13 14:14:36,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-11-13 14:14:36,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-11-13 14:14:36,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2024-11-13 14:14:36,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#9 [2024-11-13 14:14:36,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#10 [2024-11-13 14:14:36,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#11 [2024-11-13 14:14:36,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#12 [2024-11-13 14:14:36,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#13 [2024-11-13 14:14:36,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-11-13 14:14:36,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-11-13 14:14:36,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-11-13 14:14:36,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-11-13 14:14:36,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-11-13 14:14:36,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2024-11-13 14:14:36,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2024-11-13 14:14:36,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2024-11-13 14:14:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2024-11-13 14:14:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#9 [2024-11-13 14:14:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#10 [2024-11-13 14:14:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#11 [2024-11-13 14:14:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#12 [2024-11-13 14:14:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#13 [2024-11-13 14:14:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 14:14:36,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-13 14:14:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-13 14:14:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-13 14:14:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-13 14:14:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-13 14:14:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-13 14:14:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-13 14:14:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-13 14:14:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-13 14:14:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-13 14:14:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-13 14:14:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-13 14:14:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-13 14:14:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 14:14:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-11-13 14:14:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-11-13 14:14:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-11-13 14:14:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-11-13 14:14:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-11-13 14:14:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2024-11-13 14:14:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2024-11-13 14:14:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2024-11-13 14:14:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2024-11-13 14:14:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#9 [2024-11-13 14:14:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#10 [2024-11-13 14:14:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#11 [2024-11-13 14:14:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#12 [2024-11-13 14:14:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#13 [2024-11-13 14:14:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-13 14:14:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-13 14:14:36,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-13 14:14:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-13 14:14:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-13 14:14:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-13 14:14:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-13 14:14:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-13 14:14:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-13 14:14:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-13 14:14:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-13 14:14:36,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-13 14:14:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-13 14:14:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-11-13 14:14:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:14:36,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:14:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-13 14:14:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-13 14:14:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-13 14:14:36,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-13 14:14:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-13 14:14:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-13 14:14:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-13 14:14:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-13 14:14:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-13 14:14:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-13 14:14:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-13 14:14:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-13 14:14:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-13 14:14:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-11-13 14:14:36,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 14:14:36,360 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:14:36,363 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:14:40,890 INFO L? ?]: Removed 48 outVars from TransFormulas that were not future-live. [2024-11-13 14:14:40,890 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:14:40,904 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:14:40,905 INFO L316 CfgBuilder]: Removed 24 assume(true) statements. [2024-11-13 14:14:40,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:14:40 BoogieIcfgContainer [2024-11-13 14:14:40,906 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:14:40,909 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:14:40,909 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:14:40,913 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:14:40,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:14:35" (1/3) ... [2024-11-13 14:14:40,914 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3628bfd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:14:40, skipping insertion in model container [2024-11-13 14:14:40,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:14:35" (2/3) ... [2024-11-13 14:14:40,915 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3628bfd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:14:40, skipping insertion in model container [2024-11-13 14:14:40,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:14:40" (3/3) ... [2024-11-13 14:14:40,916 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1211b.c [2024-11-13 14:14:40,931 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:14:40,933 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_1211b.c that has 1 procedures, 52 locations, 1 initial locations, 12 loop locations, and 1 error locations. [2024-11-13 14:14:40,992 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:14:41,003 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;@cc53eef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:14:41,003 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:14:41,007 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 50 states have (on average 1.66) internal successors, (83), 51 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:14:41,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 14:14:41,013 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:14:41,013 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:14:41,014 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:14:41,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:14:41,018 INFO L85 PathProgramCache]: Analyzing trace with hash 784534946, now seen corresponding path program 1 times [2024-11-13 14:14:41,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 14:14:41,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2021976834] [2024-11-13 14:14:41,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:14:41,029 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-13 14:14:41,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 14:14:41,033 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 14:14:41,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 14:14:41,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:41,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 14:14:41,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:14:41,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:14:41,285 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:14:41,286 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 14:14:41,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2021976834] [2024-11-13 14:14:41,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2021976834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:14:41,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:14:41,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:14:41,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399557397] [2024-11-13 14:14:41,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:14:41,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 14:14:41,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 14:14:41,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 14:14:41,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:14:41,319 INFO L87 Difference]: Start difference. First operand has 52 states, 50 states have (on average 1.66) internal successors, (83), 51 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:14:41,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:14:41,342 INFO L93 Difference]: Finished difference Result 102 states and 164 transitions. [2024-11-13 14:14:41,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 14:14:41,344 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-13 14:14:41,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:14:41,352 INFO L225 Difference]: With dead ends: 102 [2024-11-13 14:14:41,353 INFO L226 Difference]: Without dead ends: 49 [2024-11-13 14:14:41,356 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:14:41,360 INFO L432 NwaCegarLoop]: 58 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, 58 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 [2024-11-13 14:14:41,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:14:41,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-13 14:14:41,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-11-13 14:14:41,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 48 states have (on average 1.1458333333333333) internal successors, (55), 48 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:14:41,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2024-11-13 14:14:41,402 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 15 [2024-11-13 14:14:41,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:14:41,402 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2024-11-13 14:14:41,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:14:41,403 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2024-11-13 14:14:41,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 14:14:41,404 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:14:41,404 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:14:41,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 14:14:41,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 14:14:41,605 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:14:41,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:14:41,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1566073398, now seen corresponding path program 1 times [2024-11-13 14:14:41,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 14:14:41,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1961608675] [2024-11-13 14:14:41,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:14:41,606 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 [2024-11-13 14:14:41,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 14:14:41,609 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 14:14:41,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 14:14:41,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:41,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:14:41,868 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:14:42,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:14:42,192 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:14:42,193 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 14:14:42,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1961608675] [2024-11-13 14:14:42,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1961608675] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:14:42,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:14:42,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:14:42,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716236816] [2024-11-13 14:14:42,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:14:42,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:14:42,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 14:14:42,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:14:42,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:14:42,196 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:14:42,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:14:42,789 INFO L93 Difference]: Finished difference Result 64 states and 71 transitions. [2024-11-13 14:14:42,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:14:42,791 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-13 14:14:42,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:14:42,791 INFO L225 Difference]: With dead ends: 64 [2024-11-13 14:14:42,791 INFO L226 Difference]: Without dead ends: 27 [2024-11-13 14:14:42,792 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:14:42,793 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 16 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:14:42,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 77 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 14:14:42,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-13 14:14:42,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-11-13 14:14:42,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0769230769230769) internal successors, (28), 26 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:14:42,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2024-11-13 14:14:42,802 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 18 [2024-11-13 14:14:42,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:14:42,804 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2024-11-13 14:14:42,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:14:42,804 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2024-11-13 14:14:42,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 14:14:42,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:14:42,804 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:14:42,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/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)] Ended with exit code 0 [2024-11-13 14:14:43,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 14:14:43,005 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:14:43,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:14:43,006 INFO L85 PathProgramCache]: Analyzing trace with hash 202210135, now seen corresponding path program 1 times [2024-11-13 14:14:43,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 14:14:43,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [372971899] [2024-11-13 14:14:43,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:14:43,007 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 [2024-11-13 14:14:43,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 14:14:43,009 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 14:14:43,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/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 (4)] Waiting until timeout for monitored process [2024-11-13 14:14:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:43,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 14:14:43,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:14:43,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:14:43,551 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:14:43,551 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 14:14:43,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [372971899] [2024-11-13 14:14:43,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [372971899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:14:43,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:14:43,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:14:43,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575566112] [2024-11-13 14:14:43,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:14:43,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:14:43,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 14:14:43,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:14:43,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:14:43,553 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:14:43,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:14:43,584 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2024-11-13 14:14:43,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:14:43,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-13 14:14:43,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:14:43,585 INFO L225 Difference]: With dead ends: 30 [2024-11-13 14:14:43,585 INFO L226 Difference]: Without dead ends: 27 [2024-11-13 14:14:43,585 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:14:43,586 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:14:43,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:14:43,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-13 14:14:43,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-11-13 14:14:43,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 26 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:14:43,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2024-11-13 14:14:43,593 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 20 [2024-11-13 14:14:43,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:14:43,593 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2024-11-13 14:14:43,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:14:43,594 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2024-11-13 14:14:43,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 14:14:43,595 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:14:43,595 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:14:43,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/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 (4)] Ended with exit code 0 [2024-11-13 14:14:43,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 14:14:43,796 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:14:43,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:14:43,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1028931362, now seen corresponding path program 1 times [2024-11-13 14:14:43,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 14:14:43,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [949944433] [2024-11-13 14:14:43,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:14:43,797 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 [2024-11-13 14:14:43,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 14:14:43,803 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 14:14:43,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/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 (5)] Waiting until timeout for monitored process [2024-11-13 14:14:44,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:44,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 14:14:44,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:14:44,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:14:44,472 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:14:44,473 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 14:14:44,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [949944433] [2024-11-13 14:14:44,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [949944433] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:14:44,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:14:44,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 14:14:44,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657416895] [2024-11-13 14:14:44,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:14:44,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:14:44,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 14:14:44,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:14:44,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:14:44,475 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:14:46,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 14:14:46,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:14:46,884 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2024-11-13 14:14:46,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:14:46,888 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2024-11-13 14:14:46,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:14:46,888 INFO L225 Difference]: With dead ends: 31 [2024-11-13 14:14:46,888 INFO L226 Difference]: Without dead ends: 27 [2024-11-13 14:14:46,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:14:46,889 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 1 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:14:46,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 94 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-13 14:14:46,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-13 14:14:46,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-11-13 14:14:46,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0) internal successors, (26), 26 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:14:46,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2024-11-13 14:14:46,898 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 22 [2024-11-13 14:14:46,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:14:46,898 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2024-11-13 14:14:46,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:14:46,898 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2024-11-13 14:14:46,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 14:14:46,900 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:14:46,900 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:14:46,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/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 (5)] Ended with exit code 0 [2024-11-13 14:14:47,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 14:14:47,101 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:14:47,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:14:47,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1827369741, now seen corresponding path program 1 times [2024-11-13 14:14:47,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 14:14:47,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [135458981] [2024-11-13 14:14:47,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:14:47,102 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 [2024-11-13 14:14:47,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/mathsat [2024-11-13 14:14:47,103 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/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) [2024-11-13 14:14:47,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/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 (6)] Waiting until timeout for monitored process [2024-11-13 14:14:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:14:47,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 14:14:47,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:14:47,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 10 [2024-11-13 14:14:47,831 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 14:14:47,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 22 [2024-11-13 14:14:49,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:14:49,136 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:14:49,136 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 14:14:49,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [135458981] [2024-11-13 14:14:49,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [135458981] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:14:49,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:14:49,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-13 14:14:49,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025280036] [2024-11-13 14:14:49,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:14:49,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 14:14:49,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 14:14:49,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 14:14:49,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:14:49,138 INFO L87 Difference]: Start difference. First operand 27 states and 26 transitions. Second operand has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:14:52,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:14:52,225 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2024-11-13 14:14:52,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 14:14:52,228 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2024-11-13 14:14:52,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:14:52,230 INFO L225 Difference]: With dead ends: 27 [2024-11-13 14:14:52,231 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 14:14:52,231 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2024-11-13 14:14:52,232 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 8 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:14:52,232 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 111 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-13 14:14:52,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 14:14:52,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 14:14:52,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:14:52,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 14:14:52,235 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2024-11-13 14:14:52,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:14:52,236 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 14:14:52,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:14:52,236 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 14:14:52,236 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 14:14:52,238 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-13 14:14:52,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/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 (6)] Ended with exit code 0 [2024-11-13 14:14:52,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/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 [2024-11-13 14:14:52,442 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-13 14:14:52,444 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 14:14:52,640 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 14:14:52,652 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 14:14:52,653 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 14:14:52,654 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 14:14:52,654 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 14:14:52,655 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 14:14:52,656 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 14:14:52,656 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 14:14:52,657 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 14:14:52,657 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-13 14:14:52,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:14:52 BoogieIcfgContainer [2024-11-13 14:14:52,658 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 14:14:52,659 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 14:14:52,660 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 14:14:52,660 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 14:14:52,660 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:14:40" (3/4) ... [2024-11-13 14:14:52,665 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 14:14:52,679 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2024-11-13 14:14:52,679 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-11-13 14:14:52,680 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 14:14:52,680 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 14:14:52,790 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 14:14:52,790 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 14:14:52,790 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 14:14:52,792 INFO L158 Benchmark]: Toolchain (without parser) took 17269.14ms. Allocated memory is still 83.9MB. Free memory was 60.4MB in the beginning and 31.7MB in the end (delta: 28.6MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2024-11-13 14:14:52,792 INFO L158 Benchmark]: CDTParser took 1.46ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:14:52,793 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.93ms. Allocated memory is still 83.9MB. Free memory was 60.4MB in the beginning and 46.5MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 14:14:52,796 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.94ms. Allocated memory is still 83.9MB. Free memory was 46.5MB in the beginning and 44.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:14:52,796 INFO L158 Benchmark]: Boogie Preprocessor took 118.24ms. Allocated memory is still 83.9MB. Free memory was 44.4MB in the beginning and 40.0MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 14:14:52,796 INFO L158 Benchmark]: RCFGBuilder took 4835.52ms. Allocated memory is still 83.9MB. Free memory was 40.0MB in the beginning and 51.3MB in the end (delta: -11.3MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2024-11-13 14:14:52,797 INFO L158 Benchmark]: TraceAbstraction took 11750.10ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 38.3MB in the end (delta: 12.5MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2024-11-13 14:14:52,797 INFO L158 Benchmark]: Witness Printer took 131.68ms. Allocated memory is still 83.9MB. Free memory was 38.3MB in the beginning and 31.7MB in the end (delta: 6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 14:14:52,799 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.46ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 354.93ms. Allocated memory is still 83.9MB. Free memory was 60.4MB in the beginning and 46.5MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.94ms. Allocated memory is still 83.9MB. Free memory was 46.5MB in the beginning and 44.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 118.24ms. Allocated memory is still 83.9MB. Free memory was 44.4MB in the beginning and 40.0MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 4835.52ms. Allocated memory is still 83.9MB. Free memory was 40.0MB in the beginning and 51.3MB in the end (delta: -11.3MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * TraceAbstraction took 11750.10ms. Allocated memory is still 83.9MB. Free memory was 50.8MB in the beginning and 38.3MB in the end (delta: 12.5MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * Witness Printer took 131.68ms. Allocated memory is still 83.9MB. Free memory was 38.3MB in the beginning and 31.7MB in the end (delta: 6.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * 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 - PositiveResult [Line: 152]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 5.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 390 SdHoareTripleChecker+Invalid, 5.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 247 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 168 IncrementalHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 143 mSDtfsCounter, 168 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 104 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, InterpolantAutomatonStates: 29, 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 96 ConstructedInterpolants, 32 QuantifiedInterpolants, 937 SizeOfPredicates, 15 NumberOfNonLiveVariables, 496 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2024-11-13 14:14:52,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ea252e6-0b65-47f8-b354-c5c798eeaa20/bin/uautomizer-verify-qhAvR1uOyd/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 Writing output log to file Ultimate.log Result: TRUE