./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 10:21:40,158 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 10:21:40,219 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 10:21:40,223 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 10:21:40,223 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 10:21:40,245 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 10:21:40,246 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 10:21:40,247 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 10:21:40,247 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 10:21:40,248 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 10:21:40,249 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 10:21:40,249 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 10:21:40,249 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 10:21:40,250 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 10:21:40,251 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 10:21:40,251 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 10:21:40,251 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 10:21:40,251 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 10:21:40,252 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 10:21:40,252 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 10:21:40,252 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 10:21:40,252 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 10:21:40,253 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 10:21:40,253 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 10:21:40,253 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 10:21:40,253 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 10:21:40,253 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 10:21:40,254 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 10:21:40,254 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 10:21:40,254 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 10:21:40,254 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 10:21:40,255 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 10:21:40,255 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 10:21:40,255 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 10:21:40,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:21:40,255 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 10:21:40,255 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 10:21:40,256 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 10:21:40,256 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 10:21:40,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 10:21:40,256 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 10:21:40,256 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 10:21:40,256 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 10:21:40,256 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 10:21:40,256 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e6f79eda5be95b806b33aaa2a353a360ae33a1e35cc1bf6f128d14768d932de [2024-11-19 10:21:40,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 10:21:40,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 10:21:40,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 10:21:40,468 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 10:21:40,468 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 10:21:40,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2024-11-19 10:21:41,653 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 10:21:41,945 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 10:21:41,946 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inw.i [2024-11-19 10:21:41,975 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6213e99c/4997373f07a14f8e96f3b975eca42273/FLAG3b3edeebe [2024-11-19 10:21:42,223 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6213e99c/4997373f07a14f8e96f3b975eca42273 [2024-11-19 10:21:42,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 10:21:42,226 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 10:21:42,227 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 10:21:42,227 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 10:21:42,232 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 10:21:42,233 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:21:42" (1/1) ... [2024-11-19 10:21:42,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a73887a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:42, skipping insertion in model container [2024-11-19 10:21:42,235 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:21:42" (1/1) ... [2024-11-19 10:21:42,297 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 10:21:43,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:21:43,139 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 10:21:43,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:21:43,419 INFO L204 MainTranslator]: Completed translation [2024-11-19 10:21:43,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:43 WrapperNode [2024-11-19 10:21:43,420 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 10:21:43,421 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 10:21:43,421 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 10:21:43,421 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 10:21:43,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:43" (1/1) ... [2024-11-19 10:21:43,484 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:43" (1/1) ... [2024-11-19 10:21:43,578 INFO L138 Inliner]: procedures = 472, calls = 2681, calls flagged for inlining = 55, calls inlined = 39, statements flattened = 3415 [2024-11-19 10:21:43,579 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 10:21:43,580 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 10:21:43,580 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 10:21:43,580 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 10:21:43,589 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:43" (1/1) ... [2024-11-19 10:21:43,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:43" (1/1) ... [2024-11-19 10:21:43,602 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:43" (1/1) ... [2024-11-19 10:21:43,660 INFO L175 MemorySlicer]: Split 2037 memory accesses to 27 slices as follows [5, 3, 35, 1040, 480, 59, 5, 35, 11, 5, 15, 120, 67, 0, 2, 20, 4, 3, 2, 2, 16, 2, 18, 12, 34, 5, 37]. 51 percent of accesses are in the largest equivalence class. The 1935 initializations are split as follows [3, 3, 15, 1040, 480, 59, 4, 32, 2, 1, 10, 120, 67, 0, 2, 4, 4, 0, 0, 0, 5, 0, 18, 6, 34, 1, 25]. The 37 writes are split as follows [0, 0, 6, 0, 0, 0, 0, 0, 5, 1, 2, 0, 0, 0, 0, 4, 0, 0, 1, 0, 8, 2, 0, 6, 0, 2, 0]. [2024-11-19 10:21:43,660 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:43" (1/1) ... [2024-11-19 10:21:43,661 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:43" (1/1) ... [2024-11-19 10:21:43,747 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:43" (1/1) ... [2024-11-19 10:21:43,761 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:43" (1/1) ... [2024-11-19 10:21:43,774 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:43" (1/1) ... [2024-11-19 10:21:43,784 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:43" (1/1) ... [2024-11-19 10:21:43,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 10:21:43,812 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 10:21:43,812 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 10:21:43,813 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 10:21:43,813 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:43" (1/1) ... [2024-11-19 10:21:43,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:21:43,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:21:43,847 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 10:21:43,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 10:21:43,889 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2024-11-19 10:21:43,889 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2024-11-19 10:21:43,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-19 10:21:43,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2024-11-19 10:21:43,890 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2024-11-19 10:21:43,890 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2024-11-19 10:21:43,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 10:21:43,890 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-19 10:21:43,890 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-19 10:21:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-19 10:21:43,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2024-11-19 10:21:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2024-11-19 10:21:43,891 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2024-11-19 10:21:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 10:21:43,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 10:21:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 10:21:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 10:21:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 10:21:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 10:21:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 10:21:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 10:21:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-19 10:21:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-19 10:21:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-19 10:21:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-19 10:21:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-19 10:21:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-19 10:21:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-19 10:21:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-19 10:21:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-19 10:21:43,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-19 10:21:43,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-19 10:21:43,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-19 10:21:43,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-19 10:21:43,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-19 10:21:43,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-19 10:21:43,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-19 10:21:43,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#24 [2024-11-19 10:21:43,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#25 [2024-11-19 10:21:43,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#26 [2024-11-19 10:21:43,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 10:21:43,893 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2024-11-19 10:21:43,893 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2024-11-19 10:21:43,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 10:21:43,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 10:21:43,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 10:21:43,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 10:21:43,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 10:21:43,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 10:21:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 10:21:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 10:21:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 10:21:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-19 10:21:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-19 10:21:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-19 10:21:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-19 10:21:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-19 10:21:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-19 10:21:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-19 10:21:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-19 10:21:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-19 10:21:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-19 10:21:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-19 10:21:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-19 10:21:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-19 10:21:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-19 10:21:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-19 10:21:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-19 10:21:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#24 [2024-11-19 10:21:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#25 [2024-11-19 10:21:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#26 [2024-11-19 10:21:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-19 10:21:43,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-19 10:21:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2024-11-19 10:21:43,895 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2024-11-19 10:21:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2024-11-19 10:21:43,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2024-11-19 10:21:43,895 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2024-11-19 10:21:43,897 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2024-11-19 10:21:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 10:21:43,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 10:21:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2024-11-19 10:21:43,897 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2024-11-19 10:21:43,897 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 10:21:43,897 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 10:21:43,898 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2024-11-19 10:21:43,898 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2024-11-19 10:21:43,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 10:21:43,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 10:21:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 10:21:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 10:21:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 10:21:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 10:21:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 10:21:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 10:21:43,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 10:21:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-19 10:21:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-19 10:21:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-19 10:21:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-19 10:21:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-19 10:21:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-19 10:21:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-19 10:21:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-19 10:21:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-19 10:21:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-19 10:21:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-19 10:21:43,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-19 10:21:43,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-19 10:21:43,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-19 10:21:43,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-19 10:21:43,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-19 10:21:43,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#24 [2024-11-19 10:21:43,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#25 [2024-11-19 10:21:43,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#26 [2024-11-19 10:21:43,902 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2024-11-19 10:21:43,902 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2024-11-19 10:21:43,902 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2024-11-19 10:21:43,902 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2024-11-19 10:21:43,902 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2024-11-19 10:21:43,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2024-11-19 10:21:43,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 10:21:43,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 10:21:43,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 10:21:43,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 10:21:43,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 10:21:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 10:21:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 10:21:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-19 10:21:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-19 10:21:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-19 10:21:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-19 10:21:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-19 10:21:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-19 10:21:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-19 10:21:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-19 10:21:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-19 10:21:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-19 10:21:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-19 10:21:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-19 10:21:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-19 10:21:43,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-19 10:21:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-19 10:21:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-11-19 10:21:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-11-19 10:21:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#24 [2024-11-19 10:21:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#25 [2024-11-19 10:21:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#26 [2024-11-19 10:21:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-19 10:21:43,905 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-19 10:21:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2024-11-19 10:21:43,905 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2024-11-19 10:21:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2024-11-19 10:21:43,905 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2024-11-19 10:21:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2024-11-19 10:21:43,905 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2024-11-19 10:21:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2024-11-19 10:21:43,905 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2024-11-19 10:21:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2024-11-19 10:21:43,905 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2024-11-19 10:21:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 10:21:43,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 10:21:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 10:21:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 10:21:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 10:21:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 10:21:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 10:21:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 10:21:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-19 10:21:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-19 10:21:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-19 10:21:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-19 10:21:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-19 10:21:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-19 10:21:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-19 10:21:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-19 10:21:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-19 10:21:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-19 10:21:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-19 10:21:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-19 10:21:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-19 10:21:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-19 10:21:43,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-19 10:21:43,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-19 10:21:43,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#24 [2024-11-19 10:21:43,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#25 [2024-11-19 10:21:43,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#26 [2024-11-19 10:21:43,907 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2024-11-19 10:21:43,907 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2024-11-19 10:21:43,907 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2024-11-19 10:21:43,907 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2024-11-19 10:21:43,907 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2024-11-19 10:21:43,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2024-11-19 10:21:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-19 10:21:43,909 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-19 10:21:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-19 10:21:43,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-19 10:21:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 10:21:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 10:21:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 10:21:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 10:21:43,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 10:21:43,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 10:21:43,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 10:21:43,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 10:21:43,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-19 10:21:43,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-19 10:21:43,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-19 10:21:43,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-19 10:21:43,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-19 10:21:43,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-19 10:21:43,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-19 10:21:43,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-19 10:21:43,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-19 10:21:43,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-19 10:21:43,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-19 10:21:43,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-19 10:21:43,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-19 10:21:43,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-19 10:21:43,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-19 10:21:43,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-19 10:21:43,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#24 [2024-11-19 10:21:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#25 [2024-11-19 10:21:43,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#26 [2024-11-19 10:21:44,257 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 10:21:44,259 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 10:21:47,462 INFO L? ?]: Removed 461 outVars from TransFormulas that were not future-live. [2024-11-19 10:21:47,462 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 10:21:47,478 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 10:21:47,478 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-19 10:21:47,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:21:47 BoogieIcfgContainer [2024-11-19 10:21:47,478 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 10:21:47,482 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 10:21:47,482 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 10:21:47,484 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 10:21:47,485 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:21:42" (1/3) ... [2024-11-19 10:21:47,485 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65f76325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:21:47, skipping insertion in model container [2024-11-19 10:21:47,485 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:21:43" (2/3) ... [2024-11-19 10:21:47,486 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65f76325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:21:47, skipping insertion in model container [2024-11-19 10:21:47,486 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:21:47" (3/3) ... [2024-11-19 10:21:47,487 INFO L112 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inw.i [2024-11-19 10:21:47,499 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 10:21:47,499 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 21 error locations. [2024-11-19 10:21:47,554 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 10:21:47,560 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;@6de31d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 10:21:47,560 INFO L334 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2024-11-19 10:21:47,566 INFO L276 IsEmpty]: Start isEmpty. Operand has 433 states, 307 states have (on average 1.4104234527687296) internal successors, (433), 334 states have internal predecessors, (433), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-19 10:21:47,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-19 10:21:47,573 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:21:47,573 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:21:47,574 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-19 10:21:47,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:21:47,579 INFO L85 PathProgramCache]: Analyzing trace with hash -456340148, now seen corresponding path program 1 times [2024-11-19 10:21:47,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:21:47,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148013873] [2024-11-19 10:21:47,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:21:47,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:21:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:21:50,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:21:50,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:21:50,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148013873] [2024-11-19 10:21:50,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148013873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:21:50,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:21:50,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:21:50,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478235292] [2024-11-19 10:21:50,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:21:50,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:21:50,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:21:50,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:21:50,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:21:50,436 INFO L87 Difference]: Start difference. First operand has 433 states, 307 states have (on average 1.4104234527687296) internal successors, (433), 334 states have internal predecessors, (433), 78 states have call successors, (78), 26 states have call predecessors, (78), 26 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:21:50,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:21:50,615 INFO L93 Difference]: Finished difference Result 861 states and 1199 transitions. [2024-11-19 10:21:50,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:21:50,617 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2024-11-19 10:21:50,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:21:50,634 INFO L225 Difference]: With dead ends: 861 [2024-11-19 10:21:50,635 INFO L226 Difference]: Without dead ends: 425 [2024-11-19 10:21:50,641 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:21:50,646 INFO L432 NwaCegarLoop]: 572 mSDtfsCounter, 2 mSDsluCounter, 1133 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1705 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:21:50,647 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1705 Invalid, 31 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:21:50,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2024-11-19 10:21:50,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 424. [2024-11-19 10:21:50,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 303 states have (on average 1.3795379537953796) internal successors, (418), 328 states have internal predecessors, (418), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-19 10:21:50,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 569 transitions. [2024-11-19 10:21:50,706 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 569 transitions. Word has length 10 [2024-11-19 10:21:50,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:21:50,710 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 569 transitions. [2024-11-19 10:21:50,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:21:50,710 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 569 transitions. [2024-11-19 10:21:50,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-19 10:21:50,711 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:21:50,711 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:21:50,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 10:21:50,711 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-19 10:21:50,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:21:50,712 INFO L85 PathProgramCache]: Analyzing trace with hash -324097976, now seen corresponding path program 1 times [2024-11-19 10:21:50,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:21:50,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957568676] [2024-11-19 10:21:50,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:21:50,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:21:52,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:21:53,020 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:21:53,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:21:53,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957568676] [2024-11-19 10:21:53,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957568676] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:21:53,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447352424] [2024-11-19 10:21:53,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:21:53,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:21:53,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:21:53,023 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:21:53,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 10:21:55,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:21:55,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 5483 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:21:55,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:21:55,589 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:21:55,589 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:21:55,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447352424] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:21:55,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:21:55,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-19 10:21:55,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238495659] [2024-11-19 10:21:55,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:21:55,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:21:55,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:21:55,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:21:55,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:21:55,594 INFO L87 Difference]: Start difference. First operand 424 states and 569 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:21:55,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:21:55,662 INFO L93 Difference]: Finished difference Result 425 states and 570 transitions. [2024-11-19 10:21:55,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:21:55,663 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2024-11-19 10:21:55,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:21:55,665 INFO L225 Difference]: With dead ends: 425 [2024-11-19 10:21:55,668 INFO L226 Difference]: Without dead ends: 424 [2024-11-19 10:21:55,668 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:21:55,669 INFO L432 NwaCegarLoop]: 555 mSDtfsCounter, 2 mSDsluCounter, 1651 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2206 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:21:55,669 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2206 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:21:55,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-11-19 10:21:55,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 423. [2024-11-19 10:21:55,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 303 states have (on average 1.3762376237623761) internal successors, (417), 327 states have internal predecessors, (417), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-19 10:21:55,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 568 transitions. [2024-11-19 10:21:55,715 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 568 transitions. Word has length 14 [2024-11-19 10:21:55,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:21:55,715 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 568 transitions. [2024-11-19 10:21:55,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:21:55,716 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 568 transitions. [2024-11-19 10:21:55,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-19 10:21:55,716 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:21:55,717 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:21:55,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 10:21:55,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:21:55,918 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-19 10:21:55,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:21:55,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1457102184, now seen corresponding path program 1 times [2024-11-19 10:21:55,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:21:55,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218165129] [2024-11-19 10:21:55,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:21:55,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:21:57,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:21:57,681 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:21:57,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:21:57,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218165129] [2024-11-19 10:21:57,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218165129] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:21:57,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:21:57,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:21:57,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535143748] [2024-11-19 10:21:57,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:21:57,684 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:21:57,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:21:57,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:21:57,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:21:57,685 INFO L87 Difference]: Start difference. First operand 423 states and 568 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:21:57,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:21:57,721 INFO L93 Difference]: Finished difference Result 423 states and 568 transitions. [2024-11-19 10:21:57,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:21:57,722 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-11-19 10:21:57,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:21:57,725 INFO L225 Difference]: With dead ends: 423 [2024-11-19 10:21:57,725 INFO L226 Difference]: Without dead ends: 422 [2024-11-19 10:21:57,725 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:21:57,727 INFO L432 NwaCegarLoop]: 556 mSDtfsCounter, 1 mSDsluCounter, 1103 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1659 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:21:57,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1659 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:21:57,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2024-11-19 10:21:57,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 419. [2024-11-19 10:21:57,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 300 states have (on average 1.3766666666666667) internal successors, (413), 323 states have internal predecessors, (413), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-19 10:21:57,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 564 transitions. [2024-11-19 10:21:57,753 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 564 transitions. Word has length 15 [2024-11-19 10:21:57,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:21:57,754 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 564 transitions. [2024-11-19 10:21:57,755 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:21:57,755 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 564 transitions. [2024-11-19 10:21:57,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-19 10:21:57,755 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:21:57,756 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:21:57,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 10:21:57,756 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-19 10:21:57,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:21:57,756 INFO L85 PathProgramCache]: Analyzing trace with hash 2072878222, now seen corresponding path program 1 times [2024-11-19 10:21:57,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:21:57,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301008470] [2024-11-19 10:21:57,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:21:57,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:21:59,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:21:59,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:21:59,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:21:59,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301008470] [2024-11-19 10:21:59,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301008470] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:21:59,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042569168] [2024-11-19 10:21:59,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:21:59,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:21:59,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:21:59,839 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:21:59,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 10:22:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:01,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 5494 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:22:01,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:22:01,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:22:01,972 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:22:02,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:22:02,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2042569168] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:22:02,016 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:22:02,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-19 10:22:02,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405549191] [2024-11-19 10:22:02,016 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:22:02,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:22:02,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:02,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:22:02,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:22:02,017 INFO L87 Difference]: Start difference. First operand 419 states and 564 transitions. Second operand has 10 states, 10 states have (on average 2.5) internal successors, (25), 10 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:22:02,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:02,086 INFO L93 Difference]: Finished difference Result 838 states and 1128 transitions. [2024-11-19 10:22:02,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:22:02,086 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 10 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2024-11-19 10:22:02,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:02,088 INFO L225 Difference]: With dead ends: 838 [2024-11-19 10:22:02,088 INFO L226 Difference]: Without dead ends: 428 [2024-11-19 10:22:02,089 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:22:02,090 INFO L432 NwaCegarLoop]: 556 mSDtfsCounter, 4 mSDsluCounter, 2211 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2767 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:02,090 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2767 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:22:02,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2024-11-19 10:22:02,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 427. [2024-11-19 10:22:02,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 308 states have (on average 1.3668831168831168) internal successors, (421), 331 states have internal predecessors, (421), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-19 10:22:02,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 572 transitions. [2024-11-19 10:22:02,103 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 572 transitions. Word has length 16 [2024-11-19 10:22:02,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:02,104 INFO L471 AbstractCegarLoop]: Abstraction has 427 states and 572 transitions. [2024-11-19 10:22:02,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.5) internal successors, (25), 10 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:22:02,104 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 572 transitions. [2024-11-19 10:22:02,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-19 10:22:02,105 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:02,105 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:02,127 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-19 10:22:02,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-19 10:22:02,305 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-19 10:22:02,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:02,306 INFO L85 PathProgramCache]: Analyzing trace with hash 733977222, now seen corresponding path program 2 times [2024-11-19 10:22:02,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:02,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308882400] [2024-11-19 10:22:02,306 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:22:02,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:03,844 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 10:22:03,845 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:22:04,120 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-19 10:22:04,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:04,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308882400] [2024-11-19 10:22:04,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308882400] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:22:04,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:22:04,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:22:04,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548787344] [2024-11-19 10:22:04,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:22:04,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:22:04,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:04,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:22:04,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:22:04,122 INFO L87 Difference]: Start difference. First operand 427 states and 572 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:22:04,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:04,152 INFO L93 Difference]: Finished difference Result 432 states and 577 transitions. [2024-11-19 10:22:04,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:22:04,153 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2024-11-19 10:22:04,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:04,155 INFO L225 Difference]: With dead ends: 432 [2024-11-19 10:22:04,155 INFO L226 Difference]: Without dead ends: 430 [2024-11-19 10:22:04,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:22:04,156 INFO L432 NwaCegarLoop]: 556 mSDtfsCounter, 2 mSDsluCounter, 1101 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1657 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:04,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1657 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:22:04,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2024-11-19 10:22:04,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 430. [2024-11-19 10:22:04,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 311 states have (on average 1.3633440514469453) internal successors, (424), 334 states have internal predecessors, (424), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-19 10:22:04,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 575 transitions. [2024-11-19 10:22:04,170 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 575 transitions. Word has length 24 [2024-11-19 10:22:04,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:04,170 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 575 transitions. [2024-11-19 10:22:04,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:22:04,171 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 575 transitions. [2024-11-19 10:22:04,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-19 10:22:04,171 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:04,172 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:04,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 10:22:04,172 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-19 10:22:04,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:04,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1230193406, now seen corresponding path program 1 times [2024-11-19 10:22:04,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:04,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698635854] [2024-11-19 10:22:04,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:04,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:05,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:06,006 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-19 10:22:06,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:06,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698635854] [2024-11-19 10:22:06,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698635854] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:22:06,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1799409046] [2024-11-19 10:22:06,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:06,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:22:06,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:22:06,008 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:22:06,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 10:22:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:08,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 5559 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:22:08,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:22:08,552 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-19 10:22:08,552 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:22:08,629 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-19 10:22:08,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1799409046] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:22:08,629 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:22:08,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 19 [2024-11-19 10:22:08,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852678092] [2024-11-19 10:22:08,630 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:22:08,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-19 10:22:08,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:08,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-19 10:22:08,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2024-11-19 10:22:08,631 INFO L87 Difference]: Start difference. First operand 430 states and 575 transitions. Second operand has 19 states, 19 states have (on average 2.6315789473684212) internal successors, (50), 19 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:22:08,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:08,729 INFO L93 Difference]: Finished difference Result 854 states and 1146 transitions. [2024-11-19 10:22:08,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-19 10:22:08,730 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.6315789473684212) internal successors, (50), 19 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2024-11-19 10:22:08,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:08,733 INFO L225 Difference]: With dead ends: 854 [2024-11-19 10:22:08,733 INFO L226 Difference]: Without dead ends: 441 [2024-11-19 10:22:08,734 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=284, Unknown=0, NotChecked=0, Total=380 [2024-11-19 10:22:08,736 INFO L432 NwaCegarLoop]: 551 mSDtfsCounter, 3 mSDsluCounter, 4929 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 5480 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:08,736 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 5480 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:22:08,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-11-19 10:22:08,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2024-11-19 10:22:08,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 324 states have (on average 1.3395061728395061) internal successors, (434), 345 states have internal predecessors, (434), 76 states have call successors, (76), 26 states have call predecessors, (76), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2024-11-19 10:22:08,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 585 transitions. [2024-11-19 10:22:08,752 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 585 transitions. Word has length 28 [2024-11-19 10:22:08,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:08,752 INFO L471 AbstractCegarLoop]: Abstraction has 441 states and 585 transitions. [2024-11-19 10:22:08,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.6315789473684212) internal successors, (50), 19 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-19 10:22:08,752 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 585 transitions. [2024-11-19 10:22:08,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-19 10:22:08,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:08,754 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:08,777 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 10:22:08,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:22:08,956 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-19 10:22:08,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:08,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1399802093, now seen corresponding path program 1 times [2024-11-19 10:22:08,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:08,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952403694] [2024-11-19 10:22:08,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:08,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:10,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:10,988 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-19 10:22:10,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:10,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952403694] [2024-11-19 10:22:10,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952403694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:22:10,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:22:10,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:22:10,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062817132] [2024-11-19 10:22:10,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:22:10,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:22:10,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:10,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:22:10,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:22:10,991 INFO L87 Difference]: Start difference. First operand 441 states and 585 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 10:22:11,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:11,021 INFO L93 Difference]: Finished difference Result 767 states and 1029 transitions. [2024-11-19 10:22:11,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:22:11,021 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 58 [2024-11-19 10:22:11,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:11,024 INFO L225 Difference]: With dead ends: 767 [2024-11-19 10:22:11,026 INFO L226 Difference]: Without dead ends: 763 [2024-11-19 10:22:11,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:22:11,027 INFO L432 NwaCegarLoop]: 588 mSDtfsCounter, 503 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 503 SdHoareTripleChecker+Valid, 1056 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:11,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [503 Valid, 1056 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:22:11,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2024-11-19 10:22:11,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 757. [2024-11-19 10:22:11,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 757 states, 560 states have (on average 1.3517857142857144) internal successors, (757), 585 states have internal predecessors, (757), 134 states have call successors, (134), 48 states have call predecessors, (134), 48 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2024-11-19 10:22:11,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 1024 transitions. [2024-11-19 10:22:11,055 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 1024 transitions. Word has length 58 [2024-11-19 10:22:11,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:11,056 INFO L471 AbstractCegarLoop]: Abstraction has 757 states and 1024 transitions. [2024-11-19 10:22:11,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-19 10:22:11,056 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 1024 transitions. [2024-11-19 10:22:11,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-19 10:22:11,058 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:11,058 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:11,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 10:22:11,058 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-19 10:22:11,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:11,059 INFO L85 PathProgramCache]: Analyzing trace with hash 614338358, now seen corresponding path program 1 times [2024-11-19 10:22:11,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:11,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089377124] [2024-11-19 10:22:11,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:11,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:12,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:12,915 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-19 10:22:12,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:12,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089377124] [2024-11-19 10:22:12,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089377124] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:22:12,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:22:12,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:22:12,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225594581] [2024-11-19 10:22:12,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:22:12,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:22:12,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:12,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:22:12,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:22:12,919 INFO L87 Difference]: Start difference. First operand 757 states and 1024 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 10:22:12,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:12,947 INFO L93 Difference]: Finished difference Result 1462 states and 1988 transitions. [2024-11-19 10:22:12,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:22:12,948 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 67 [2024-11-19 10:22:12,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:12,952 INFO L225 Difference]: With dead ends: 1462 [2024-11-19 10:22:12,952 INFO L226 Difference]: Without dead ends: 755 [2024-11-19 10:22:12,954 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:22:12,955 INFO L432 NwaCegarLoop]: 552 mSDtfsCounter, 534 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:12,955 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [534 Valid, 552 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:22:12,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2024-11-19 10:22:12,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 755. [2024-11-19 10:22:12,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 755 states, 559 states have (on average 1.3470483005366727) internal successors, (753), 583 states have internal predecessors, (753), 134 states have call successors, (134), 48 states have call predecessors, (134), 48 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2024-11-19 10:22:12,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 1020 transitions. [2024-11-19 10:22:12,980 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 1020 transitions. Word has length 67 [2024-11-19 10:22:12,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:12,982 INFO L471 AbstractCegarLoop]: Abstraction has 755 states and 1020 transitions. [2024-11-19 10:22:12,982 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 10:22:12,982 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1020 transitions. [2024-11-19 10:22:12,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-19 10:22:12,985 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:12,986 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:12,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 10:22:12,986 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-19 10:22:12,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:12,987 INFO L85 PathProgramCache]: Analyzing trace with hash -674142782, now seen corresponding path program 1 times [2024-11-19 10:22:12,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:12,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273727287] [2024-11-19 10:22:12,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:12,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:14,901 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-19 10:22:14,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:14,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273727287] [2024-11-19 10:22:14,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273727287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:22:14,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:22:14,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:22:14,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42521606] [2024-11-19 10:22:14,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:22:14,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:22:14,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:14,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:22:14,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:22:14,904 INFO L87 Difference]: Start difference. First operand 755 states and 1020 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-19 10:22:14,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:14,949 INFO L93 Difference]: Finished difference Result 1743 states and 2376 transitions. [2024-11-19 10:22:14,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:22:14,949 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 87 [2024-11-19 10:22:14,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:14,955 INFO L225 Difference]: With dead ends: 1743 [2024-11-19 10:22:14,955 INFO L226 Difference]: Without dead ends: 1069 [2024-11-19 10:22:14,959 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:22:14,960 INFO L432 NwaCegarLoop]: 577 mSDtfsCounter, 448 mSDsluCounter, 1081 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 1658 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:14,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 1658 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:22:14,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1069 states. [2024-11-19 10:22:14,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1069 to 1063. [2024-11-19 10:22:14,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1063 states, 791 states have (on average 1.3514538558786346) internal successors, (1069), 818 states have internal predecessors, (1069), 191 states have call successors, (191), 69 states have call predecessors, (191), 69 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-19 10:22:14,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 1063 states and 1450 transitions. [2024-11-19 10:22:14,994 INFO L78 Accepts]: Start accepts. Automaton has 1063 states and 1450 transitions. Word has length 87 [2024-11-19 10:22:14,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:14,995 INFO L471 AbstractCegarLoop]: Abstraction has 1063 states and 1450 transitions. [2024-11-19 10:22:14,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-19 10:22:14,996 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 1450 transitions. [2024-11-19 10:22:14,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-19 10:22:14,997 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:14,997 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:14,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 10:22:14,998 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-19 10:22:14,999 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:14,999 INFO L85 PathProgramCache]: Analyzing trace with hash -124231217, now seen corresponding path program 1 times [2024-11-19 10:22:14,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:14,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643143451] [2024-11-19 10:22:14,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:14,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:17,445 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-19 10:22:17,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:17,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643143451] [2024-11-19 10:22:17,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643143451] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:22:17,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2026482715] [2024-11-19 10:22:17,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:17,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:22:17,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:22:17,447 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:22:17,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 10:22:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:19,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 5819 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-19 10:22:19,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:22:19,886 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-19 10:22:19,886 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:22:20,046 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-19 10:22:20,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2026482715] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:22:20,047 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:22:20,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-11-19 10:22:20,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908601531] [2024-11-19 10:22:20,047 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:22:20,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-19 10:22:20,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:20,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-19 10:22:20,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-19 10:22:20,049 INFO L87 Difference]: Start difference. First operand 1063 states and 1450 transitions. Second operand has 23 states, 23 states have (on average 4.478260869565218) internal successors, (103), 23 states have internal predecessors, (103), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 10:22:20,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:20,147 INFO L93 Difference]: Finished difference Result 2105 states and 2880 transitions. [2024-11-19 10:22:20,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-19 10:22:20,147 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.478260869565218) internal successors, (103), 23 states have internal predecessors, (103), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 96 [2024-11-19 10:22:20,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:20,152 INFO L225 Difference]: With dead ends: 2105 [2024-11-19 10:22:20,152 INFO L226 Difference]: Without dead ends: 1075 [2024-11-19 10:22:20,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 175 SyntacticMatches, 11 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-11-19 10:22:20,154 INFO L432 NwaCegarLoop]: 547 mSDtfsCounter, 4 mSDsluCounter, 2715 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3262 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:20,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3262 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:22:20,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2024-11-19 10:22:20,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 1075. [2024-11-19 10:22:20,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1075 states, 803 states have (on average 1.3462017434620175) internal successors, (1081), 830 states have internal predecessors, (1081), 191 states have call successors, (191), 69 states have call predecessors, (191), 69 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-19 10:22:20,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 1075 states and 1462 transitions. [2024-11-19 10:22:20,184 INFO L78 Accepts]: Start accepts. Automaton has 1075 states and 1462 transitions. Word has length 96 [2024-11-19 10:22:20,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:20,184 INFO L471 AbstractCegarLoop]: Abstraction has 1075 states and 1462 transitions. [2024-11-19 10:22:20,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.478260869565218) internal successors, (103), 23 states have internal predecessors, (103), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 10:22:20,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1075 states and 1462 transitions. [2024-11-19 10:22:20,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-19 10:22:20,187 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:20,187 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:20,212 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-19 10:22:20,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:22:20,387 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-19 10:22:20,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:20,388 INFO L85 PathProgramCache]: Analyzing trace with hash 911428035, now seen corresponding path program 2 times [2024-11-19 10:22:20,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:20,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276609057] [2024-11-19 10:22:20,388 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:22:20,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:22,089 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 10:22:22,089 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:22:22,320 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2024-11-19 10:22:22,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:22,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276609057] [2024-11-19 10:22:22,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276609057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:22:22,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:22:22,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 10:22:22,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351491639] [2024-11-19 10:22:22,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:22:22,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:22:22,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:22,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:22:22,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:22:22,322 INFO L87 Difference]: Start difference. First operand 1075 states and 1462 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-19 10:22:22,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:22,352 INFO L93 Difference]: Finished difference Result 1100 states and 1480 transitions. [2024-11-19 10:22:22,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:22:22,353 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 108 [2024-11-19 10:22:22,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:22,357 INFO L225 Difference]: With dead ends: 1100 [2024-11-19 10:22:22,357 INFO L226 Difference]: Without dead ends: 782 [2024-11-19 10:22:22,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:22:22,359 INFO L432 NwaCegarLoop]: 551 mSDtfsCounter, 0 mSDsluCounter, 1646 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2197 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:22,359 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2197 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:22:22,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2024-11-19 10:22:22,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 782. [2024-11-19 10:22:22,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 782 states, 585 states have (on average 1.3264957264957264) internal successors, (776), 607 states have internal predecessors, (776), 134 states have call successors, (134), 51 states have call predecessors, (134), 51 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2024-11-19 10:22:22,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 1043 transitions. [2024-11-19 10:22:22,381 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 1043 transitions. Word has length 108 [2024-11-19 10:22:22,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:22,381 INFO L471 AbstractCegarLoop]: Abstraction has 782 states and 1043 transitions. [2024-11-19 10:22:22,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-19 10:22:22,381 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1043 transitions. [2024-11-19 10:22:22,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-19 10:22:22,382 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:22,382 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:22,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 10:22:22,382 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-19 10:22:22,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:22,383 INFO L85 PathProgramCache]: Analyzing trace with hash -998771764, now seen corresponding path program 1 times [2024-11-19 10:22:22,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:22,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136579639] [2024-11-19 10:22:22,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:22,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:23,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:24,551 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2024-11-19 10:22:24,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:24,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136579639] [2024-11-19 10:22:24,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136579639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:22:24,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:22:24,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 10:22:24,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003033432] [2024-11-19 10:22:24,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:22:24,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:22:24,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:24,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:22:24,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:22:24,553 INFO L87 Difference]: Start difference. First operand 782 states and 1043 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-19 10:22:24,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:24,880 INFO L93 Difference]: Finished difference Result 1468 states and 1983 transitions. [2024-11-19 10:22:24,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:22:24,881 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 112 [2024-11-19 10:22:24,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:24,884 INFO L225 Difference]: With dead ends: 1468 [2024-11-19 10:22:24,884 INFO L226 Difference]: Without dead ends: 782 [2024-11-19 10:22:24,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:22:24,886 INFO L432 NwaCegarLoop]: 541 mSDtfsCounter, 518 mSDsluCounter, 927 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 1468 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:24,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [518 Valid, 1468 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:22:24,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2024-11-19 10:22:24,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 782. [2024-11-19 10:22:24,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 782 states, 585 states have (on average 1.323076923076923) internal successors, (774), 607 states have internal predecessors, (774), 134 states have call successors, (134), 51 states have call predecessors, (134), 51 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2024-11-19 10:22:24,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 1041 transitions. [2024-11-19 10:22:24,910 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 1041 transitions. Word has length 112 [2024-11-19 10:22:24,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:24,910 INFO L471 AbstractCegarLoop]: Abstraction has 782 states and 1041 transitions. [2024-11-19 10:22:24,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-19 10:22:24,910 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1041 transitions. [2024-11-19 10:22:24,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-19 10:22:24,911 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:24,911 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:24,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 10:22:24,911 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-19 10:22:24,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:24,912 INFO L85 PathProgramCache]: Analyzing trace with hash -528517271, now seen corresponding path program 1 times [2024-11-19 10:22:24,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:24,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165467028] [2024-11-19 10:22:24,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:24,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:26,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:26,935 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2024-11-19 10:22:26,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:26,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165467028] [2024-11-19 10:22:26,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165467028] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:22:26,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:22:26,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:22:26,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520034079] [2024-11-19 10:22:26,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:22:26,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:22:26,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:26,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:22:26,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:22:26,936 INFO L87 Difference]: Start difference. First operand 782 states and 1041 transitions. Second operand has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-19 10:22:26,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:26,991 INFO L93 Difference]: Finished difference Result 1761 states and 2338 transitions. [2024-11-19 10:22:26,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:22:26,992 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 114 [2024-11-19 10:22:26,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:26,997 INFO L225 Difference]: With dead ends: 1761 [2024-11-19 10:22:26,997 INFO L226 Difference]: Without dead ends: 1076 [2024-11-19 10:22:26,999 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:22:26,999 INFO L432 NwaCegarLoop]: 580 mSDtfsCounter, 232 mSDsluCounter, 1065 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 1645 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:27,000 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 1645 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:22:27,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2024-11-19 10:22:27,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 1070. [2024-11-19 10:22:27,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1070 states, 787 states have (on average 1.2935196950444727) internal successors, (1018), 810 states have internal predecessors, (1018), 190 states have call successors, (190), 83 states have call predecessors, (190), 83 states have return successors, (188), 188 states have call predecessors, (188), 187 states have call successors, (188) [2024-11-19 10:22:27,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 1070 states and 1396 transitions. [2024-11-19 10:22:27,040 INFO L78 Accepts]: Start accepts. Automaton has 1070 states and 1396 transitions. Word has length 114 [2024-11-19 10:22:27,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:27,040 INFO L471 AbstractCegarLoop]: Abstraction has 1070 states and 1396 transitions. [2024-11-19 10:22:27,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-19 10:22:27,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1396 transitions. [2024-11-19 10:22:27,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-19 10:22:27,042 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:27,042 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:27,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 10:22:27,042 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-19 10:22:27,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:27,043 INFO L85 PathProgramCache]: Analyzing trace with hash 176112078, now seen corresponding path program 1 times [2024-11-19 10:22:27,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:27,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145010216] [2024-11-19 10:22:27,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:27,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:28,998 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2024-11-19 10:22:28,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:28,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145010216] [2024-11-19 10:22:28,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145010216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:22:28,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:22:28,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:22:28,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092204456] [2024-11-19 10:22:28,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:22:28,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:22:28,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:28,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:22:28,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:22:28,999 INFO L87 Difference]: Start difference. First operand 1070 states and 1396 transitions. Second operand has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 10:22:29,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:29,060 INFO L93 Difference]: Finished difference Result 1968 states and 2590 transitions. [2024-11-19 10:22:29,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:22:29,061 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 149 [2024-11-19 10:22:29,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:29,068 INFO L225 Difference]: With dead ends: 1968 [2024-11-19 10:22:29,068 INFO L226 Difference]: Without dead ends: 1516 [2024-11-19 10:22:29,070 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:22:29,070 INFO L432 NwaCegarLoop]: 537 mSDtfsCounter, 488 mSDsluCounter, 972 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 1509 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:29,070 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [488 Valid, 1509 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:22:29,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1516 states. [2024-11-19 10:22:29,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1516 to 1508. [2024-11-19 10:22:29,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1508 states, 1109 states have (on average 1.30297565374211) internal successors, (1445), 1138 states have internal predecessors, (1445), 273 states have call successors, (273), 119 states have call predecessors, (273), 118 states have return successors, (268), 268 states have call predecessors, (268), 267 states have call successors, (268) [2024-11-19 10:22:29,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 1508 states and 1986 transitions. [2024-11-19 10:22:29,118 INFO L78 Accepts]: Start accepts. Automaton has 1508 states and 1986 transitions. Word has length 149 [2024-11-19 10:22:29,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:29,119 INFO L471 AbstractCegarLoop]: Abstraction has 1508 states and 1986 transitions. [2024-11-19 10:22:29,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.666666666666668) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-19 10:22:29,119 INFO L276 IsEmpty]: Start isEmpty. Operand 1508 states and 1986 transitions. [2024-11-19 10:22:29,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-19 10:22:29,120 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:29,121 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:29,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 10:22:29,121 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-19 10:22:29,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:29,121 INFO L85 PathProgramCache]: Analyzing trace with hash -986079032, now seen corresponding path program 1 times [2024-11-19 10:22:29,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:29,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320110719] [2024-11-19 10:22:29,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:29,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:31,176 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-11-19 10:22:31,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:31,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320110719] [2024-11-19 10:22:31,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320110719] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:22:31,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:22:31,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 10:22:31,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636547603] [2024-11-19 10:22:31,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:22:31,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:22:31,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:31,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:22:31,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:22:31,178 INFO L87 Difference]: Start difference. First operand 1508 states and 1986 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-19 10:22:31,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:31,235 INFO L93 Difference]: Finished difference Result 1554 states and 2017 transitions. [2024-11-19 10:22:31,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:22:31,236 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 150 [2024-11-19 10:22:31,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:31,240 INFO L225 Difference]: With dead ends: 1554 [2024-11-19 10:22:31,240 INFO L226 Difference]: Without dead ends: 622 [2024-11-19 10:22:31,243 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:22:31,244 INFO L432 NwaCegarLoop]: 538 mSDtfsCounter, 2 mSDsluCounter, 2130 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2668 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:31,244 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 2668 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:22:31,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2024-11-19 10:22:31,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 622. [2024-11-19 10:22:31,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 460 states have (on average 1.2478260869565216) internal successors, (574), 475 states have internal predecessors, (574), 104 states have call successors, (104), 50 states have call predecessors, (104), 50 states have return successors, (102), 102 states have call predecessors, (102), 101 states have call successors, (102) [2024-11-19 10:22:31,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 780 transitions. [2024-11-19 10:22:31,269 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 780 transitions. Word has length 150 [2024-11-19 10:22:31,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:31,270 INFO L471 AbstractCegarLoop]: Abstraction has 622 states and 780 transitions. [2024-11-19 10:22:31,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-19 10:22:31,270 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 780 transitions. [2024-11-19 10:22:31,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-19 10:22:31,272 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:31,272 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 6, 6, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:31,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 10:22:31,272 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-19 10:22:31,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:31,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1608093874, now seen corresponding path program 1 times [2024-11-19 10:22:31,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:31,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363079897] [2024-11-19 10:22:31,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:31,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:33,550 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2024-11-19 10:22:33,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:33,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363079897] [2024-11-19 10:22:33,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363079897] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:22:33,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:22:33,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:22:33,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223846360] [2024-11-19 10:22:33,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:22:33,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:22:33,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:33,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:22:33,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:22:33,552 INFO L87 Difference]: Start difference. First operand 622 states and 780 transitions. Second operand has 3 states, 2 states have (on average 42.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 10:22:33,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:33,592 INFO L93 Difference]: Finished difference Result 1050 states and 1354 transitions. [2024-11-19 10:22:33,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:22:33,592 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 42.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 177 [2024-11-19 10:22:33,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:33,597 INFO L225 Difference]: With dead ends: 1050 [2024-11-19 10:22:33,598 INFO L226 Difference]: Without dead ends: 1048 [2024-11-19 10:22:33,598 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:22:33,598 INFO L432 NwaCegarLoop]: 517 mSDtfsCounter, 424 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 947 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:33,599 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 947 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:22:33,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states. [2024-11-19 10:22:33,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 1036. [2024-11-19 10:22:33,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 761 states have (on average 1.2877792378449409) internal successors, (980), 784 states have internal predecessors, (980), 182 states have call successors, (182), 86 states have call predecessors, (182), 85 states have return successors, (181), 176 states have call predecessors, (181), 176 states have call successors, (181) [2024-11-19 10:22:33,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1343 transitions. [2024-11-19 10:22:33,628 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1343 transitions. Word has length 177 [2024-11-19 10:22:33,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:33,628 INFO L471 AbstractCegarLoop]: Abstraction has 1036 states and 1343 transitions. [2024-11-19 10:22:33,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 42.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 10:22:33,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1343 transitions. [2024-11-19 10:22:33,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-19 10:22:33,630 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:33,630 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:33,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 10:22:33,630 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-19 10:22:33,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:33,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1657477308, now seen corresponding path program 1 times [2024-11-19 10:22:33,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:33,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839975792] [2024-11-19 10:22:33,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:33,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:35,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:35,598 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2024-11-19 10:22:35,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:35,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839975792] [2024-11-19 10:22:35,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839975792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:22:35,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:22:35,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:22:35,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264916340] [2024-11-19 10:22:35,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:22:35,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:22:35,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:35,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:22:35,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:22:35,601 INFO L87 Difference]: Start difference. First operand 1036 states and 1343 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 10:22:35,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:35,680 INFO L93 Difference]: Finished difference Result 1228 states and 1547 transitions. [2024-11-19 10:22:35,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:22:35,680 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 184 [2024-11-19 10:22:35,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:35,685 INFO L225 Difference]: With dead ends: 1228 [2024-11-19 10:22:35,686 INFO L226 Difference]: Without dead ends: 1044 [2024-11-19 10:22:35,686 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:22:35,687 INFO L432 NwaCegarLoop]: 508 mSDtfsCounter, 218 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:35,687 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 885 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:22:35,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1044 states. [2024-11-19 10:22:35,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1044 to 1044. [2024-11-19 10:22:35,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1044 states, 769 states have (on average 1.2847854356306891) internal successors, (988), 792 states have internal predecessors, (988), 182 states have call successors, (182), 86 states have call predecessors, (182), 85 states have return successors, (181), 176 states have call predecessors, (181), 176 states have call successors, (181) [2024-11-19 10:22:35,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1351 transitions. [2024-11-19 10:22:35,726 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1351 transitions. Word has length 184 [2024-11-19 10:22:35,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:35,726 INFO L471 AbstractCegarLoop]: Abstraction has 1044 states and 1351 transitions. [2024-11-19 10:22:35,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 10:22:35,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1351 transitions. [2024-11-19 10:22:35,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-19 10:22:35,729 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:35,729 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:35,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 10:22:35,730 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-19 10:22:35,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:35,730 INFO L85 PathProgramCache]: Analyzing trace with hash 153728894, now seen corresponding path program 1 times [2024-11-19 10:22:35,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:35,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110856664] [2024-11-19 10:22:35,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:35,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:37,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:38,212 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2024-11-19 10:22:38,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:38,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110856664] [2024-11-19 10:22:38,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110856664] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:22:38,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:22:38,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:22:38,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329058796] [2024-11-19 10:22:38,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:22:38,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:22:38,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:38,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:22:38,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:22:38,215 INFO L87 Difference]: Start difference. First operand 1044 states and 1351 transitions. Second operand has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 10:22:38,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:38,331 INFO L93 Difference]: Finished difference Result 1044 states and 1351 transitions. [2024-11-19 10:22:38,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:22:38,332 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 187 [2024-11-19 10:22:38,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:38,339 INFO L225 Difference]: With dead ends: 1044 [2024-11-19 10:22:38,339 INFO L226 Difference]: Without dead ends: 1043 [2024-11-19 10:22:38,340 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:22:38,340 INFO L432 NwaCegarLoop]: 513 mSDtfsCounter, 477 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:38,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [477 Valid, 514 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:22:38,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2024-11-19 10:22:38,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 1043. [2024-11-19 10:22:38,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1043 states, 769 states have (on average 1.2795838751625488) internal successors, (984), 791 states have internal predecessors, (984), 182 states have call successors, (182), 86 states have call predecessors, (182), 85 states have return successors, (181), 176 states have call predecessors, (181), 176 states have call successors, (181) [2024-11-19 10:22:38,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 1347 transitions. [2024-11-19 10:22:38,391 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 1347 transitions. Word has length 187 [2024-11-19 10:22:38,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:38,391 INFO L471 AbstractCegarLoop]: Abstraction has 1043 states and 1347 transitions. [2024-11-19 10:22:38,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 10:22:38,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1347 transitions. [2024-11-19 10:22:38,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-19 10:22:38,395 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:38,395 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:38,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 10:22:38,395 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting zf_readwErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-19 10:22:38,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:38,396 INFO L85 PathProgramCache]: Analyzing trace with hash 470628579, now seen corresponding path program 1 times [2024-11-19 10:22:38,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:38,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522180596] [2024-11-19 10:22:38,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:38,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:40,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:40,655 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2024-11-19 10:22:40,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:40,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522180596] [2024-11-19 10:22:40,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522180596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:22:40,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:22:40,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 10:22:40,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079498421] [2024-11-19 10:22:40,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:22:40,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:22:40,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:40,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:22:40,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:22:40,657 INFO L87 Difference]: Start difference. First operand 1043 states and 1347 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-19 10:22:41,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:41,065 INFO L93 Difference]: Finished difference Result 2900 states and 3833 transitions. [2024-11-19 10:22:41,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 10:22:41,065 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 188 [2024-11-19 10:22:41,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:41,076 INFO L225 Difference]: With dead ends: 2900 [2024-11-19 10:22:41,076 INFO L226 Difference]: Without dead ends: 1922 [2024-11-19 10:22:41,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:22:41,080 INFO L432 NwaCegarLoop]: 898 mSDtfsCounter, 817 mSDsluCounter, 2082 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 817 SdHoareTripleChecker+Valid, 2980 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:41,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [817 Valid, 2980 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:22:41,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1922 states. [2024-11-19 10:22:41,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1922 to 1043. [2024-11-19 10:22:41,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1043 states, 769 states have (on average 1.2782834850455136) internal successors, (983), 791 states have internal predecessors, (983), 182 states have call successors, (182), 86 states have call predecessors, (182), 85 states have return successors, (181), 176 states have call predecessors, (181), 176 states have call successors, (181) [2024-11-19 10:22:41,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1043 states to 1043 states and 1346 transitions. [2024-11-19 10:22:41,142 INFO L78 Accepts]: Start accepts. Automaton has 1043 states and 1346 transitions. Word has length 188 [2024-11-19 10:22:41,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:41,142 INFO L471 AbstractCegarLoop]: Abstraction has 1043 states and 1346 transitions. [2024-11-19 10:22:41,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 6 states have internal predecessors, (99), 3 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-19 10:22:41,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1043 states and 1346 transitions. [2024-11-19 10:22:41,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-19 10:22:41,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:41,144 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:41,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 10:22:41,144 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting zf_readwErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-19 10:22:41,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:41,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1744407289, now seen corresponding path program 1 times [2024-11-19 10:22:41,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:41,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688899980] [2024-11-19 10:22:41,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:41,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:43,598 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2024-11-19 10:22:43,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:43,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688899980] [2024-11-19 10:22:43,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688899980] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:22:43,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:22:43,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:22:43,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983864598] [2024-11-19 10:22:43,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:22:43,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:22:43,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:43,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:22:43,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:22:43,599 INFO L87 Difference]: Start difference. First operand 1043 states and 1346 transitions. Second operand has 4 states, 3 states have (on average 33.666666666666664) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 10:22:43,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:43,920 INFO L93 Difference]: Finished difference Result 1043 states and 1346 transitions. [2024-11-19 10:22:43,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:22:43,920 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 33.666666666666664) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 190 [2024-11-19 10:22:43,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:43,924 INFO L225 Difference]: With dead ends: 1043 [2024-11-19 10:22:43,924 INFO L226 Difference]: Without dead ends: 865 [2024-11-19 10:22:43,925 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:22:43,925 INFO L432 NwaCegarLoop]: 505 mSDtfsCounter, 502 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 502 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:43,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [502 Valid, 843 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-19 10:22:43,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2024-11-19 10:22:43,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 859. [2024-11-19 10:22:43,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 859 states, 643 states have (on average 1.2923794712286159) internal successors, (831), 659 states have internal predecessors, (831), 145 states have call successors, (145), 65 states have call predecessors, (145), 65 states have return successors, (149), 144 states have call predecessors, (149), 145 states have call successors, (149) [2024-11-19 10:22:43,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 1125 transitions. [2024-11-19 10:22:43,971 INFO L78 Accepts]: Start accepts. Automaton has 859 states and 1125 transitions. Word has length 190 [2024-11-19 10:22:43,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:43,972 INFO L471 AbstractCegarLoop]: Abstraction has 859 states and 1125 transitions. [2024-11-19 10:22:43,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.666666666666664) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-19 10:22:43,972 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1125 transitions. [2024-11-19 10:22:43,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-19 10:22:43,974 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:43,974 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:43,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-19 10:22:43,974 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ##fun~$Pointer$~X~$Pointer$~TO~intErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-19 10:22:43,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:43,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1511959307, now seen corresponding path program 1 times [2024-11-19 10:22:43,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:43,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679715368] [2024-11-19 10:22:43,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:43,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:45,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:45,953 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-11-19 10:22:45,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:45,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679715368] [2024-11-19 10:22:45,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679715368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:22:45,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:22:45,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:22:45,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285597461] [2024-11-19 10:22:45,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:22:45,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:22:45,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:45,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:22:45,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:22:45,955 INFO L87 Difference]: Start difference. First operand 859 states and 1125 transitions. Second operand has 3 states, 2 states have (on average 54.0) internal successors, (108), 3 states have internal predecessors, (108), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-19 10:22:45,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:45,990 INFO L93 Difference]: Finished difference Result 865 states and 1133 transitions. [2024-11-19 10:22:45,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:22:45,991 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 54.0) internal successors, (108), 3 states have internal predecessors, (108), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 194 [2024-11-19 10:22:45,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:45,995 INFO L225 Difference]: With dead ends: 865 [2024-11-19 10:22:45,995 INFO L226 Difference]: Without dead ends: 863 [2024-11-19 10:22:45,996 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:22:45,996 INFO L432 NwaCegarLoop]: 511 mSDtfsCounter, 1 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:45,996 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1016 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:22:45,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2024-11-19 10:22:46,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 863. [2024-11-19 10:22:46,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 863 states, 647 states have (on average 1.2905718701700155) internal successors, (835), 663 states have internal predecessors, (835), 145 states have call successors, (145), 65 states have call predecessors, (145), 65 states have return successors, (149), 144 states have call predecessors, (149), 145 states have call successors, (149) [2024-11-19 10:22:46,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 863 states and 1129 transitions. [2024-11-19 10:22:46,032 INFO L78 Accepts]: Start accepts. Automaton has 863 states and 1129 transitions. Word has length 194 [2024-11-19 10:22:46,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:46,032 INFO L471 AbstractCegarLoop]: Abstraction has 863 states and 1129 transitions. [2024-11-19 10:22:46,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 54.0) internal successors, (108), 3 states have internal predecessors, (108), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-19 10:22:46,032 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1129 transitions. [2024-11-19 10:22:46,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-19 10:22:46,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:46,035 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:46,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-19 10:22:46,036 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ##fun~$Pointer$~X~$Pointer$~TO~intErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-19 10:22:46,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:46,037 INFO L85 PathProgramCache]: Analyzing trace with hash -373899562, now seen corresponding path program 1 times [2024-11-19 10:22:46,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:46,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306165434] [2024-11-19 10:22:46,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:46,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:47,713 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-11-19 10:22:47,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:47,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306165434] [2024-11-19 10:22:47,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306165434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:22:47,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:22:47,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:22:47,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836108412] [2024-11-19 10:22:47,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:22:47,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:22:47,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:47,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:22:47,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:22:47,714 INFO L87 Difference]: Start difference. First operand 863 states and 1129 transitions. Second operand has 3 states, 2 states have (on average 54.5) internal successors, (109), 3 states have internal predecessors, (109), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-19 10:22:47,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:47,750 INFO L93 Difference]: Finished difference Result 863 states and 1129 transitions. [2024-11-19 10:22:47,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:22:47,751 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 54.5) internal successors, (109), 3 states have internal predecessors, (109), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 195 [2024-11-19 10:22:47,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:47,754 INFO L225 Difference]: With dead ends: 863 [2024-11-19 10:22:47,754 INFO L226 Difference]: Without dead ends: 862 [2024-11-19 10:22:47,755 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:22:47,755 INFO L432 NwaCegarLoop]: 511 mSDtfsCounter, 1 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:47,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1016 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:22:47,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 862 states. [2024-11-19 10:22:47,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 862 to 862. [2024-11-19 10:22:47,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 862 states, 647 states have (on average 1.2874806800618237) internal successors, (833), 662 states have internal predecessors, (833), 145 states have call successors, (145), 65 states have call predecessors, (145), 65 states have return successors, (149), 144 states have call predecessors, (149), 145 states have call successors, (149) [2024-11-19 10:22:47,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1127 transitions. [2024-11-19 10:22:47,789 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1127 transitions. Word has length 195 [2024-11-19 10:22:47,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:47,789 INFO L471 AbstractCegarLoop]: Abstraction has 862 states and 1127 transitions. [2024-11-19 10:22:47,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 54.5) internal successors, (109), 3 states have internal predecessors, (109), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-19 10:22:47,789 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1127 transitions. [2024-11-19 10:22:47,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-19 10:22:47,792 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:47,792 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:47,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-19 10:22:47,792 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ##fun~$Pointer$~X~$Pointer$~TO~intErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-19 10:22:47,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:47,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1233999681, now seen corresponding path program 1 times [2024-11-19 10:22:47,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:47,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170842730] [2024-11-19 10:22:47,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:47,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:49,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:49,812 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2024-11-19 10:22:49,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:49,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170842730] [2024-11-19 10:22:49,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170842730] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:22:49,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:22:49,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:22:49,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773950395] [2024-11-19 10:22:49,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:22:49,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:22:49,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:49,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:22:49,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:22:49,815 INFO L87 Difference]: Start difference. First operand 862 states and 1127 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-19 10:22:49,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:49,854 INFO L93 Difference]: Finished difference Result 1573 states and 2102 transitions. [2024-11-19 10:22:49,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:22:49,855 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 198 [2024-11-19 10:22:49,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:49,858 INFO L225 Difference]: With dead ends: 1573 [2024-11-19 10:22:49,859 INFO L226 Difference]: Without dead ends: 855 [2024-11-19 10:22:49,860 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 [2024-11-19 10:22:49,861 INFO L432 NwaCegarLoop]: 507 mSDtfsCounter, 2 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1010 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:49,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1010 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:22:49,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2024-11-19 10:22:49,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 855. [2024-11-19 10:22:49,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 855 states, 641 states have (on average 1.28393135725429) internal successors, (823), 655 states have internal predecessors, (823), 145 states have call successors, (145), 65 states have call predecessors, (145), 65 states have return successors, (149), 144 states have call predecessors, (149), 145 states have call successors, (149) [2024-11-19 10:22:49,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 1117 transitions. [2024-11-19 10:22:49,902 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 1117 transitions. Word has length 198 [2024-11-19 10:22:49,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:49,902 INFO L471 AbstractCegarLoop]: Abstraction has 855 states and 1117 transitions. [2024-11-19 10:22:49,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-19 10:22:49,902 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1117 transitions. [2024-11-19 10:22:49,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-19 10:22:49,904 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:49,904 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:49,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-19 10:22:49,904 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ##fun~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-19 10:22:49,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:49,904 INFO L85 PathProgramCache]: Analyzing trace with hash -886593704, now seen corresponding path program 1 times [2024-11-19 10:22:49,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:49,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642454792] [2024-11-19 10:22:49,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:49,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:51,588 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-19 10:22:51,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:51,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642454792] [2024-11-19 10:22:51,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642454792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:22:51,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:22:51,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:22:51,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163201237] [2024-11-19 10:22:51,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:22:51,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:22:51,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:51,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:22:51,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:22:51,590 INFO L87 Difference]: Start difference. First operand 855 states and 1117 transitions. Second operand has 3 states, 2 states have (on average 56.5) internal successors, (113), 3 states have internal predecessors, (113), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-19 10:22:51,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:51,623 INFO L93 Difference]: Finished difference Result 861 states and 1125 transitions. [2024-11-19 10:22:51,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:22:51,624 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 56.5) internal successors, (113), 3 states have internal predecessors, (113), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 205 [2024-11-19 10:22:51,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:51,627 INFO L225 Difference]: With dead ends: 861 [2024-11-19 10:22:51,627 INFO L226 Difference]: Without dead ends: 859 [2024-11-19 10:22:51,628 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:22:51,628 INFO L432 NwaCegarLoop]: 507 mSDtfsCounter, 1 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1008 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:51,628 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1008 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:22:51,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2024-11-19 10:22:51,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 859. [2024-11-19 10:22:51,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 859 states, 645 states have (on average 1.2821705426356589) internal successors, (827), 659 states have internal predecessors, (827), 145 states have call successors, (145), 65 states have call predecessors, (145), 65 states have return successors, (149), 144 states have call predecessors, (149), 145 states have call successors, (149) [2024-11-19 10:22:51,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 1121 transitions. [2024-11-19 10:22:51,661 INFO L78 Accepts]: Start accepts. Automaton has 859 states and 1121 transitions. Word has length 205 [2024-11-19 10:22:51,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:51,661 INFO L471 AbstractCegarLoop]: Abstraction has 859 states and 1121 transitions. [2024-11-19 10:22:51,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 56.5) internal successors, (113), 3 states have internal predecessors, (113), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-19 10:22:51,662 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1121 transitions. [2024-11-19 10:22:51,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-19 10:22:51,663 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:51,663 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:51,663 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-19 10:22:51,663 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ##fun~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-19 10:22:51,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:51,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1714598907, now seen corresponding path program 1 times [2024-11-19 10:22:51,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:51,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972192979] [2024-11-19 10:22:51,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:51,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:53,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:53,366 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-19 10:22:53,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:53,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972192979] [2024-11-19 10:22:53,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972192979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:22:53,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:22:53,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:22:53,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504527370] [2024-11-19 10:22:53,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:22:53,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:22:53,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:53,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:22:53,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:22:53,368 INFO L87 Difference]: Start difference. First operand 859 states and 1121 transitions. Second operand has 3 states, 2 states have (on average 57.0) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-19 10:22:53,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:53,402 INFO L93 Difference]: Finished difference Result 859 states and 1121 transitions. [2024-11-19 10:22:53,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:22:53,403 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 57.0) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 206 [2024-11-19 10:22:53,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:53,406 INFO L225 Difference]: With dead ends: 859 [2024-11-19 10:22:53,406 INFO L226 Difference]: Without dead ends: 858 [2024-11-19 10:22:53,407 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:22:53,407 INFO L432 NwaCegarLoop]: 507 mSDtfsCounter, 1 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1008 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:53,407 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1008 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:22:53,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2024-11-19 10:22:53,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 858. [2024-11-19 10:22:53,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 858 states, 645 states have (on average 1.2790697674418605) internal successors, (825), 658 states have internal predecessors, (825), 145 states have call successors, (145), 65 states have call predecessors, (145), 65 states have return successors, (149), 144 states have call predecessors, (149), 145 states have call successors, (149) [2024-11-19 10:22:53,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1119 transitions. [2024-11-19 10:22:53,439 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1119 transitions. Word has length 206 [2024-11-19 10:22:53,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:53,440 INFO L471 AbstractCegarLoop]: Abstraction has 858 states and 1119 transitions. [2024-11-19 10:22:53,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 57.0) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-19 10:22:53,440 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1119 transitions. [2024-11-19 10:22:53,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-19 10:22:53,442 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:53,442 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:53,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-19 10:22:53,442 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-19 10:22:53,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:53,442 INFO L85 PathProgramCache]: Analyzing trace with hash -307585140, now seen corresponding path program 1 times [2024-11-19 10:22:53,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:53,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919856922] [2024-11-19 10:22:53,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:53,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:55,240 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-19 10:22:55,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:55,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919856922] [2024-11-19 10:22:55,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919856922] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:22:55,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:22:55,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:22:55,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716757791] [2024-11-19 10:22:55,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:22:55,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:22:55,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:55,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:22:55,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:22:55,242 INFO L87 Difference]: Start difference. First operand 858 states and 1119 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 3 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-19 10:22:55,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:55,509 INFO L93 Difference]: Finished difference Result 1310 states and 1727 transitions. [2024-11-19 10:22:55,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:22:55,509 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 3 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 208 [2024-11-19 10:22:55,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:55,514 INFO L225 Difference]: With dead ends: 1310 [2024-11-19 10:22:55,514 INFO L226 Difference]: Without dead ends: 856 [2024-11-19 10:22:55,516 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 [2024-11-19 10:22:55,517 INFO L432 NwaCegarLoop]: 503 mSDtfsCounter, 438 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:55,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [438 Valid, 867 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:22:55,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2024-11-19 10:22:55,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 856. [2024-11-19 10:22:55,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 856 states, 643 states have (on average 1.2737169517884914) internal successors, (819), 656 states have internal predecessors, (819), 145 states have call successors, (145), 65 states have call predecessors, (145), 65 states have return successors, (149), 144 states have call predecessors, (149), 145 states have call successors, (149) [2024-11-19 10:22:55,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1113 transitions. [2024-11-19 10:22:55,562 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1113 transitions. Word has length 208 [2024-11-19 10:22:55,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:55,562 INFO L471 AbstractCegarLoop]: Abstraction has 856 states and 1113 transitions. [2024-11-19 10:22:55,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 3 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-19 10:22:55,562 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1113 transitions. [2024-11-19 10:22:55,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-19 10:22:55,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:55,564 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:55,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-19 10:22:55,564 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ##fun~$Pointer$~X~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-19 10:22:55,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:55,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1612958251, now seen corresponding path program 1 times [2024-11-19 10:22:55,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:55,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786439126] [2024-11-19 10:22:55,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:55,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:57,495 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-19 10:22:57,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:57,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786439126] [2024-11-19 10:22:57,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786439126] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:22:57,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:22:57,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:22:57,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794061127] [2024-11-19 10:22:57,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:22:57,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:22:57,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:57,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:22:57,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:22:57,497 INFO L87 Difference]: Start difference. First operand 856 states and 1113 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-19 10:22:57,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:57,531 INFO L93 Difference]: Finished difference Result 1561 states and 2072 transitions. [2024-11-19 10:22:57,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:22:57,532 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 207 [2024-11-19 10:22:57,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:57,536 INFO L225 Difference]: With dead ends: 1561 [2024-11-19 10:22:57,536 INFO L226 Difference]: Without dead ends: 849 [2024-11-19 10:22:57,538 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 [2024-11-19 10:22:57,538 INFO L432 NwaCegarLoop]: 500 mSDtfsCounter, 2 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 996 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:57,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 996 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:22:57,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2024-11-19 10:22:57,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 849. [2024-11-19 10:22:57,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 849 states, 637 states have (on average 1.2700156985871272) internal successors, (809), 649 states have internal predecessors, (809), 145 states have call successors, (145), 65 states have call predecessors, (145), 65 states have return successors, (149), 144 states have call predecessors, (149), 145 states have call successors, (149) [2024-11-19 10:22:57,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 849 states and 1103 transitions. [2024-11-19 10:22:57,579 INFO L78 Accepts]: Start accepts. Automaton has 849 states and 1103 transitions. Word has length 207 [2024-11-19 10:22:57,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:57,579 INFO L471 AbstractCegarLoop]: Abstraction has 849 states and 1103 transitions. [2024-11-19 10:22:57,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-19 10:22:57,580 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1103 transitions. [2024-11-19 10:22:57,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-19 10:22:57,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:57,581 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:57,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-19 10:22:57,582 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-19 10:22:57,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:57,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1175324244, now seen corresponding path program 1 times [2024-11-19 10:22:57,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:57,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818759393] [2024-11-19 10:22:57,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:57,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:22:59,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:22:59,499 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-19 10:22:59,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:22:59,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818759393] [2024-11-19 10:22:59,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818759393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:22:59,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:22:59,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:22:59,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761191032] [2024-11-19 10:22:59,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:22:59,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:22:59,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:22:59,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:22:59,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:22:59,501 INFO L87 Difference]: Start difference. First operand 849 states and 1103 transitions. Second operand has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-19 10:22:59,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:22:59,558 INFO L93 Difference]: Finished difference Result 1291 states and 1696 transitions. [2024-11-19 10:22:59,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:22:59,559 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 210 [2024-11-19 10:22:59,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:22:59,563 INFO L225 Difference]: With dead ends: 1291 [2024-11-19 10:22:59,563 INFO L226 Difference]: Without dead ends: 870 [2024-11-19 10:22:59,564 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:22:59,564 INFO L432 NwaCegarLoop]: 500 mSDtfsCounter, 21 mSDsluCounter, 974 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 1474 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:22:59,564 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 1474 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:22:59,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2024-11-19 10:22:59,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 851. [2024-11-19 10:22:59,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 851 states, 639 states have (on average 1.269170579029734) internal successors, (811), 651 states have internal predecessors, (811), 145 states have call successors, (145), 65 states have call predecessors, (145), 65 states have return successors, (149), 144 states have call predecessors, (149), 145 states have call successors, (149) [2024-11-19 10:22:59,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 1105 transitions. [2024-11-19 10:22:59,600 INFO L78 Accepts]: Start accepts. Automaton has 851 states and 1105 transitions. Word has length 210 [2024-11-19 10:22:59,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:22:59,600 INFO L471 AbstractCegarLoop]: Abstraction has 851 states and 1105 transitions. [2024-11-19 10:22:59,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-19 10:22:59,600 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1105 transitions. [2024-11-19 10:22:59,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-19 10:22:59,602 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:22:59,602 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:22:59,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-19 10:22:59,602 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-19 10:22:59,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:22:59,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1287112543, now seen corresponding path program 1 times [2024-11-19 10:22:59,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:22:59,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888440520] [2024-11-19 10:22:59,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:22:59,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:23:01,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:23:01,818 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2024-11-19 10:23:01,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:23:01,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888440520] [2024-11-19 10:23:01,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888440520] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:23:01,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:23:01,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:23:01,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793391525] [2024-11-19 10:23:01,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:23:01,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:23:01,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:23:01,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:23:01,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:23:01,820 INFO L87 Difference]: Start difference. First operand 851 states and 1105 transitions. Second operand has 3 states, 2 states have (on average 58.5) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-19 10:23:01,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:23:01,868 INFO L93 Difference]: Finished difference Result 851 states and 1105 transitions. [2024-11-19 10:23:01,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:23:01,869 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 58.5) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 220 [2024-11-19 10:23:01,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:23:01,872 INFO L225 Difference]: With dead ends: 851 [2024-11-19 10:23:01,873 INFO L226 Difference]: Without dead ends: 850 [2024-11-19 10:23:01,873 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:23:01,873 INFO L432 NwaCegarLoop]: 493 mSDtfsCounter, 417 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:23:01,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [417 Valid, 493 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:23:01,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2024-11-19 10:23:01,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 850. [2024-11-19 10:23:01,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 850 states, 639 states have (on average 1.2660406885759) internal successors, (809), 650 states have internal predecessors, (809), 145 states have call successors, (145), 65 states have call predecessors, (145), 65 states have return successors, (149), 144 states have call predecessors, (149), 145 states have call successors, (149) [2024-11-19 10:23:01,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1103 transitions. [2024-11-19 10:23:01,910 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1103 transitions. Word has length 220 [2024-11-19 10:23:01,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:23:01,910 INFO L471 AbstractCegarLoop]: Abstraction has 850 states and 1103 transitions. [2024-11-19 10:23:01,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 58.5) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-19 10:23:01,911 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1103 transitions. [2024-11-19 10:23:01,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2024-11-19 10:23:01,912 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:23:01,912 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:23:01,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-19 10:23:01,913 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2024-11-19 10:23:01,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:23:01,913 INFO L85 PathProgramCache]: Analyzing trace with hash -2068736945, now seen corresponding path program 1 times [2024-11-19 10:23:01,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:23:01,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067844462] [2024-11-19 10:23:01,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:23:01,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:23:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:23:04,322 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-11-19 10:23:04,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:23:04,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067844462] [2024-11-19 10:23:04,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067844462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:23:04,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:23:04,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 10:23:04,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209639030] [2024-11-19 10:23:04,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:23:04,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:23:04,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:23:04,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:23:04,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:23:04,323 INFO L87 Difference]: Start difference. First operand 850 states and 1103 transitions. Second operand has 6 states, 5 states have (on average 24.2) internal successors, (121), 6 states have internal predecessors, (121), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-19 10:23:04,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:23:04,440 INFO L93 Difference]: Finished difference Result 850 states and 1103 transitions. [2024-11-19 10:23:04,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:23:04,441 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.2) internal successors, (121), 6 states have internal predecessors, (121), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 223 [2024-11-19 10:23:04,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:23:04,443 INFO L225 Difference]: With dead ends: 850 [2024-11-19 10:23:04,443 INFO L226 Difference]: Without dead ends: 0 [2024-11-19 10:23:04,444 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:23:04,445 INFO L432 NwaCegarLoop]: 493 mSDtfsCounter, 479 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:23:04,445 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [479 Valid, 493 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:23:04,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-19 10:23:04,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-19 10:23:04,446 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) [2024-11-19 10:23:04,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 10:23:04,447 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 223 [2024-11-19 10:23:04,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:23:04,447 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 10:23:04,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.2) internal successors, (121), 6 states have internal predecessors, (121), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-19 10:23:04,447 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-19 10:23:04,447 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-19 10:23:04,449 INFO L782 garLoopResultBuilder]: Registering result SAFE for location cdev_addErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 21 remaining) [2024-11-19 10:23:04,449 INFO L782 garLoopResultBuilder]: Registering result SAFE for location cdev_addErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 21 remaining) [2024-11-19 10:23:04,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location zf_readwErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 21 remaining) [2024-11-19 10:23:04,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location zf_readwErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 21 remaining) [2024-11-19 10:23:04,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location zf_pingErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 21 remaining) [2024-11-19 10:23:04,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location zf_pingErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 21 remaining) [2024-11-19 10:23:04,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 21 remaining) [2024-11-19 10:23:04,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 21 remaining) [2024-11-19 10:23:04,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~intErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 21 remaining) [2024-11-19 10:23:04,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~intErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 21 remaining) [2024-11-19 10:23:04,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~intErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 21 remaining) [2024-11-19 10:23:04,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ##fun~$Pointer$~X~$Pointer$~TO~intErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 21 remaining) [2024-11-19 10:23:04,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 21 remaining) [2024-11-19 10:23:04,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 21 remaining) [2024-11-19 10:23:04,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 21 remaining) [2024-11-19 10:23:04,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 21 remaining) [2024-11-19 10:23:04,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 21 remaining) [2024-11-19 10:23:04,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 21 remaining) [2024-11-19 10:23:04,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 21 remaining) [2024-11-19 10:23:04,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 21 remaining) [2024-11-19 10:23:04,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 21 remaining) [2024-11-19 10:23:04,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-19 10:23:04,454 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:23:04,455 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.