/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'cvc4 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-356b6ba-m [2024-11-01 06:45:38,463 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-01 06:45:38,548 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-01 06:45:38,567 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-01 06:45:38,568 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-01 06:45:38,600 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-01 06:45:38,601 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-01 06:45:38,601 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-01 06:45:38,602 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-01 06:45:38,602 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-01 06:45:38,603 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-01 06:45:38,603 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-01 06:45:38,604 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-01 06:45:38,608 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-01 06:45:38,608 INFO L153 SettingsManager]: * Use SBE=true [2024-11-01 06:45:38,608 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-01 06:45:38,609 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-01 06:45:38,609 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-01 06:45:38,609 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-01 06:45:38,609 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-01 06:45:38,610 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-01 06:45:38,610 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-01 06:45:38,610 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-01 06:45:38,611 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-01 06:45:38,611 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-01 06:45:38,611 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-01 06:45:38,611 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-01 06:45:38,612 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-01 06:45:38,612 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-01 06:45:38,612 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-01 06:45:38,612 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-01 06:45:38,613 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 06:45:38,613 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-01 06:45:38,613 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-01 06:45:38,613 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-01 06:45:38,614 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-01 06:45:38,614 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-01 06:45:38,614 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-01 06:45:38,614 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-01 06:45:38,614 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-01 06:45:38,615 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-01 06:45:38,615 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-11-01 06:45:38,615 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt [2024-11-01 06:45:38,960 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-01 06:45:38,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-01 06:45:38,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-01 06:45:38,987 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-01 06:45:38,988 INFO L274 PluginConnector]: CDTParser initialized [2024-11-01 06:45:38,990 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point.cil.out.i [2024-11-01 06:45:40,527 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-01 06:45:40,977 INFO L384 CDTParser]: Found 1 translation units. [2024-11-01 06:45:40,978 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point.cil.out.i [2024-11-01 06:45:41,011 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ba202592/f01a30711d294211ba749e8114f22447/FLAG41a4792e4 [2024-11-01 06:45:41,028 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ba202592/f01a30711d294211ba749e8114f22447 [2024-11-01 06:45:41,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-01 06:45:41,032 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-01 06:45:41,034 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-01 06:45:41,034 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-01 06:45:41,039 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-01 06:45:41,040 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 06:45:41" (1/1) ... [2024-11-01 06:45:41,041 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1de9c45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:45:41, skipping insertion in model container [2024-11-01 06:45:41,041 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.11 06:45:41" (1/1) ... [2024-11-01 06:45:41,127 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-01 06:45:41,903 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point.cil.out.i[159401,159414] [2024-11-01 06:45:42,017 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:45:42,018 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:45:42,019 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:45:42,021 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:45:42,023 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:45:42,030 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:45:42,030 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:45:42,032 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:45:42,076 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:45:42,080 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:45:42,080 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:45:42,086 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:45:42,090 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:45:42,092 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:45:42,142 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:45:42,143 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:45:42,143 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:45:42,144 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:45:42,154 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:45:42,155 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:45:42,155 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:45:42,235 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:45:42,271 WARN L1053 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-01 06:45:42,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 06:45:42,309 INFO L200 MainTranslator]: Completed pre-run [2024-11-01 06:45:42,477 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point.cil.out.i[159401,159414] [2024-11-01 06:45:42,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-01 06:45:42,578 INFO L204 MainTranslator]: Completed translation [2024-11-01 06:45:42,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:45:42 WrapperNode [2024-11-01 06:45:42,581 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-01 06:45:42,582 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-01 06:45:42,582 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-01 06:45:42,583 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-01 06:45:42,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:45:42" (1/1) ... [2024-11-01 06:45:42,629 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:45:42" (1/1) ... [2024-11-01 06:45:42,682 INFO L138 Inliner]: procedures = 116, calls = 350, calls flagged for inlining = 36, calls inlined = 33, statements flattened = 1020 [2024-11-01 06:45:42,682 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-01 06:45:42,683 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-01 06:45:42,683 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-01 06:45:42,683 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-01 06:45:42,707 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:45:42" (1/1) ... [2024-11-01 06:45:42,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:45:42" (1/1) ... [2024-11-01 06:45:42,718 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:45:42" (1/1) ... [2024-11-01 06:45:42,804 INFO L175 MemorySlicer]: Split 195 memory accesses to 10 slices as follows [26, 2, 19, 44, 17, 2, 3, 2, 79, 1]. 41 percent of accesses are in the largest equivalence class. The 45 initializations are split as follows [26, 2, 0, 0, 15, 0, 0, 0, 2, 0]. The 86 writes are split as follows [0, 0, 19, 44, 1, 1, 1, 0, 19, 1]. [2024-11-01 06:45:42,804 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:45:42" (1/1) ... [2024-11-01 06:45:42,804 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:45:42" (1/1) ... [2024-11-01 06:45:42,873 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:45:42" (1/1) ... [2024-11-01 06:45:42,887 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:45:42" (1/1) ... [2024-11-01 06:45:42,913 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:45:42" (1/1) ... [2024-11-01 06:45:42,920 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:45:42" (1/1) ... [2024-11-01 06:45:42,946 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-01 06:45:42,948 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-01 06:45:42,948 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-01 06:45:42,948 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-01 06:45:42,950 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:45:42" (1/1) ... [2024-11-01 06:45:42,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-01 06:45:42,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-01 06:45:42,986 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) [2024-11-01 06:45:42,995 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 [2024-11-01 06:45:43,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-01 06:45:43,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-01 06:45:43,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-01 06:45:43,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-01 06:45:43,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-01 06:45:43,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-01 06:45:43,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-01 06:45:43,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-01 06:45:43,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-01 06:45:43,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-01 06:45:43,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-01 06:45:43,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-01 06:45:43,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-01 06:45:43,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-01 06:45:43,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-01 06:45:43,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-01 06:45:43,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-01 06:45:43,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-01 06:45:43,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#8 [2024-11-01 06:45:43,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#9 [2024-11-01 06:45:43,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-01 06:45:43,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-01 06:45:43,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-01 06:45:43,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-01 06:45:43,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-01 06:45:43,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-01 06:45:43,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-01 06:45:43,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-01 06:45:43,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-01 06:45:43,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-01 06:45:43,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-01 06:45:43,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-01 06:45:43,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-01 06:45:43,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-01 06:45:43,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-01 06:45:43,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-01 06:45:43,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-01 06:45:43,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-01 06:45:43,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-01 06:45:43,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-01 06:45:43,025 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2024-11-01 06:45:43,025 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2024-11-01 06:45:43,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-01 06:45:43,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-01 06:45:43,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-01 06:45:43,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-01 06:45:43,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-01 06:45:43,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-01 06:45:43,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-01 06:45:43,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-01 06:45:43,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-01 06:45:43,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-01 06:45:43,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-01 06:45:43,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-01 06:45:43,029 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_tx_fixup [2024-11-01 06:45:43,029 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_tx_fixup [2024-11-01 06:45:43,029 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2024-11-01 06:45:43,030 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2024-11-01 06:45:43,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-01 06:45:43,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-01 06:45:43,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-01 06:45:43,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-01 06:45:43,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-01 06:45:43,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-01 06:45:43,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-01 06:45:43,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-01 06:45:43,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#8 [2024-11-01 06:45:43,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#9 [2024-11-01 06:45:43,030 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-01 06:45:43,030 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-01 06:45:43,030 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-01 06:45:43,031 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-01 06:45:43,031 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-01 06:45:43,031 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-01 06:45:43,031 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-01 06:45:43,031 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-01 06:45:43,031 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#8 [2024-11-01 06:45:43,031 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#9 [2024-11-01 06:45:43,031 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-01 06:45:43,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-01 06:45:43,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-01 06:45:43,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-01 06:45:43,031 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_rx_fixup [2024-11-01 06:45:43,032 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_rx_fixup [2024-11-01 06:45:43,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2024-11-01 06:45:43,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2024-11-01 06:45:43,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2024-11-01 06:45:43,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2024-11-01 06:45:43,032 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-01 06:45:43,034 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-01 06:45:43,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2024-11-01 06:45:43,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2024-11-01 06:45:43,035 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2024-11-01 06:45:43,035 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2024-11-01 06:45:43,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-01 06:45:43,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-01 06:45:43,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-01 06:45:43,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-01 06:45:43,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-01 06:45:43,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-01 06:45:43,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-01 06:45:43,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-01 06:45:43,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#8 [2024-11-01 06:45:43,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#9 [2024-11-01 06:45:43,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#0 [2024-11-01 06:45:43,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#1 [2024-11-01 06:45:43,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#2 [2024-11-01 06:45:43,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#3 [2024-11-01 06:45:43,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#4 [2024-11-01 06:45:43,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#5 [2024-11-01 06:45:43,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#6 [2024-11-01 06:45:43,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#7 [2024-11-01 06:45:43,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#8 [2024-11-01 06:45:43,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2#9 [2024-11-01 06:45:43,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-01 06:45:43,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-01 06:45:43,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-01 06:45:43,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-01 06:45:43,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-01 06:45:43,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-01 06:45:43,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#6 [2024-11-01 06:45:43,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#7 [2024-11-01 06:45:43,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#8 [2024-11-01 06:45:43,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#9 [2024-11-01 06:45:43,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-01 06:45:43,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-01 06:45:43,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-01 06:45:43,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-01 06:45:43,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-01 06:45:43,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-01 06:45:43,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-01 06:45:43,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#7 [2024-11-01 06:45:43,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#8 [2024-11-01 06:45:43,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#9 [2024-11-01 06:45:43,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-01 06:45:43,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-01 06:45:43,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-01 06:45:43,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-01 06:45:43,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-01 06:45:43,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-01 06:45:43,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-01 06:45:43,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-01 06:45:43,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-11-01 06:45:43,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-11-01 06:45:43,041 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-01 06:45:43,041 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-01 06:45:43,041 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-01 06:45:43,042 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-01 06:45:43,042 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-01 06:45:43,042 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-01 06:45:43,042 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-01 06:45:43,042 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-01 06:45:43,042 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-11-01 06:45:43,042 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-11-01 06:45:43,042 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_skb_return [2024-11-01 06:45:43,042 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_skb_return [2024-11-01 06:45:43,042 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-01 06:45:43,042 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-01 06:45:43,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-01 06:45:43,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-01 06:45:43,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-01 06:45:43,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-01 06:45:43,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-01 06:45:43,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-01 06:45:43,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-01 06:45:43,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-01 06:45:43,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-01 06:45:43,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-01 06:45:43,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-01 06:45:43,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-01 06:45:43,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-01 06:45:43,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#0 [2024-11-01 06:45:43,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#1 [2024-11-01 06:45:43,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#2 [2024-11-01 06:45:43,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#3 [2024-11-01 06:45:43,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#4 [2024-11-01 06:45:43,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#5 [2024-11-01 06:45:43,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#6 [2024-11-01 06:45:43,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#7 [2024-11-01 06:45:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#8 [2024-11-01 06:45:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8#9 [2024-11-01 06:45:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#0 [2024-11-01 06:45:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#1 [2024-11-01 06:45:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#2 [2024-11-01 06:45:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#3 [2024-11-01 06:45:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#4 [2024-11-01 06:45:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#5 [2024-11-01 06:45:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#6 [2024-11-01 06:45:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#7 [2024-11-01 06:45:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#8 [2024-11-01 06:45:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2#9 [2024-11-01 06:45:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#0 [2024-11-01 06:45:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#1 [2024-11-01 06:45:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#2 [2024-11-01 06:45:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#3 [2024-11-01 06:45:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#4 [2024-11-01 06:45:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#5 [2024-11-01 06:45:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#6 [2024-11-01 06:45:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#7 [2024-11-01 06:45:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#8 [2024-11-01 06:45:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4#9 [2024-11-01 06:45:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-01 06:45:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-01 06:45:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-01 06:45:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-01 06:45:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-01 06:45:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-01 06:45:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-01 06:45:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-01 06:45:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-01 06:45:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-01 06:45:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-01 06:45:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-01 06:45:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-01 06:45:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-01 06:45:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-01 06:45:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-01 06:45:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-01 06:45:43,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-01 06:45:43,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#8 [2024-11-01 06:45:43,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#9 [2024-11-01 06:45:43,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-01 06:45:43,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-01 06:45:43,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-01 06:45:43,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-01 06:45:43,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-01 06:45:43,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-01 06:45:43,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-01 06:45:43,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-01 06:45:43,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-01 06:45:43,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-01 06:45:43,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-01 06:45:43,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-01 06:45:43,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-01 06:45:43,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-01 06:45:43,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-01 06:45:43,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-01 06:45:43,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-01 06:45:43,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-11-01 06:45:43,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-11-01 06:45:43,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-11-01 06:45:43,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-01 06:45:43,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-01 06:45:43,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-01 06:45:43,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-01 06:45:43,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-01 06:45:43,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-01 06:45:43,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-01 06:45:43,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-01 06:45:43,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-01 06:45:43,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-01 06:45:43,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-01 06:45:43,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-01 06:45:43,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-01 06:45:43,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-01 06:45:43,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-01 06:45:43,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-01 06:45:43,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-01 06:45:43,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-01 06:45:43,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-01 06:45:43,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-01 06:45:43,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-01 06:45:43,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-01 06:45:43,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-01 06:45:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-01 06:45:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-01 06:45:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-01 06:45:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-01 06:45:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-01 06:45:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-11-01 06:45:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2024-11-01 06:45:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2024-11-01 06:45:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-01 06:45:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-01 06:45:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-01 06:45:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-01 06:45:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-01 06:45:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-01 06:45:43,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-01 06:45:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-01 06:45:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-01 06:45:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-01 06:45:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-01 06:45:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-01 06:45:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-01 06:45:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-01 06:45:43,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-01 06:45:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-01 06:45:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#6 [2024-11-01 06:45:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#7 [2024-11-01 06:45:43,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#8 [2024-11-01 06:45:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#9 [2024-11-01 06:45:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2024-11-01 06:45:43,061 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2024-11-01 06:45:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-01 06:45:43,061 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-01 06:45:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-01 06:45:43,061 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-01 06:45:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure cx82310_cmd [2024-11-01 06:45:43,061 INFO L138 BoogieDeclarations]: Found implementation of procedure cx82310_cmd [2024-11-01 06:45:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#0 [2024-11-01 06:45:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#1 [2024-11-01 06:45:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#2 [2024-11-01 06:45:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#3 [2024-11-01 06:45:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#4 [2024-11-01 06:45:43,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#5 [2024-11-01 06:45:43,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#6 [2024-11-01 06:45:43,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#7 [2024-11-01 06:45:43,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#8 [2024-11-01 06:45:43,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1#9 [2024-11-01 06:45:43,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-01 06:45:43,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-01 06:45:43,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-01 06:45:43,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-01 06:45:43,567 INFO L238 CfgBuilder]: Building ICFG [2024-11-01 06:45:43,570 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-01 06:45:43,597 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-01 06:45:57,356 INFO L? ?]: Removed 587 outVars from TransFormulas that were not future-live. [2024-11-01 06:45:57,357 INFO L287 CfgBuilder]: Performing block encoding [2024-11-01 06:45:57,383 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-01 06:45:57,383 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-01 06:45:57,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 06:45:57 BoogieIcfgContainer [2024-11-01 06:45:57,386 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-01 06:45:57,388 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-01 06:45:57,388 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-01 06:45:57,392 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-01 06:45:57,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.11 06:45:41" (1/3) ... [2024-11-01 06:45:57,393 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3641b42b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 06:45:57, skipping insertion in model container [2024-11-01 06:45:57,393 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.11 06:45:42" (2/3) ... [2024-11-01 06:45:57,394 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3641b42b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.11 06:45:57, skipping insertion in model container [2024-11-01 06:45:57,394 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.11 06:45:57" (3/3) ... [2024-11-01 06:45:57,395 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--usb--cx82310_eth.ko-entry_point.cil.out.i [2024-11-01 06:45:57,415 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-01 06:45:57,415 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-01 06:45:57,512 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-01 06:45:57,521 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;@55f12044, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-01 06:45:57,521 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-01 06:45:57,526 INFO L276 IsEmpty]: Start isEmpty. Operand has 326 states, 239 states have (on average 1.3723849372384938) internal successors, (328), 245 states have internal predecessors, (328), 63 states have call successors, (63), 23 states have call predecessors, (63), 22 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-01 06:45:57,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-01 06:45:57,541 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:45:57,541 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-01 06:45:57,542 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:45:57,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:45:57,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1483771643, now seen corresponding path program 1 times [2024-11-01 06:45:57,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:45:57,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [103303362] [2024-11-01 06:45:57,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:45:57,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:45:57,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:45:57,565 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 06:45:57,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-01 06:45:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:45:58,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 06:45:58,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:45:58,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 06:45:58,929 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:45:59,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 06:45:59,581 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:45:59,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [103303362] [2024-11-01 06:45:59,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [103303362] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 06:45:59,584 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 06:45:59,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2024-11-01 06:45:59,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226181372] [2024-11-01 06:45:59,587 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 06:45:59,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-01 06:45:59,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:45:59,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-01 06:45:59,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 06:45:59,634 INFO L87 Difference]: Start difference. First operand has 326 states, 239 states have (on average 1.3723849372384938) internal successors, (328), 245 states have internal predecessors, (328), 63 states have call successors, (63), 23 states have call predecessors, (63), 22 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 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) [2024-11-01 06:46:03,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 06:46:08,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:46:08,236 INFO L93 Difference]: Finished difference Result 1204 states and 1760 transitions. [2024-11-01 06:46:08,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-01 06:46:08,240 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 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 36 [2024-11-01 06:46:08,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:46:08,255 INFO L225 Difference]: With dead ends: 1204 [2024-11-01 06:46:08,255 INFO L226 Difference]: Without dead ends: 862 [2024-11-01 06:46:08,264 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-01 06:46:08,268 INFO L432 NwaCegarLoop]: 452 mSDtfsCounter, 1075 mSDsluCounter, 696 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 115 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1075 SdHoareTripleChecker+Valid, 1148 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2024-11-01 06:46:08,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1075 Valid, 1148 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 130 Invalid, 1 Unknown, 0 Unchecked, 8.4s Time] [2024-11-01 06:46:08,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 862 states. [2024-11-01 06:46:08,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 862 to 862. [2024-11-01 06:46:08,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 862 states, 641 states have (on average 1.357254290171607) internal successors, (870), 641 states have internal predecessors, (870), 161 states have call successors, (161), 60 states have call predecessors, (161), 59 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2024-11-01 06:46:08,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1191 transitions. [2024-11-01 06:46:08,396 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1191 transitions. Word has length 36 [2024-11-01 06:46:08,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:46:08,397 INFO L471 AbstractCegarLoop]: Abstraction has 862 states and 1191 transitions. [2024-11-01 06:46:08,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 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) [2024-11-01 06:46:08,398 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1191 transitions. [2024-11-01 06:46:08,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-01 06:46:08,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:46:08,401 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-01 06:46:08,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-01 06:46:08,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 06:46:08,602 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:46:08,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:46:08,603 INFO L85 PathProgramCache]: Analyzing trace with hash -891275031, now seen corresponding path program 1 times [2024-11-01 06:46:08,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:46:08,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1602377064] [2024-11-01 06:46:08,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:46:08,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:46:08,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:46:08,605 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 06:46:08,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-01 06:46:09,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:46:09,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-01 06:46:09,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:46:11,815 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-01 06:46:11,815 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:46:13,889 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-01 06:46:13,889 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:46:13,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1602377064] [2024-11-01 06:46:13,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1602377064] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 06:46:13,889 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 06:46:13,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2024-11-01 06:46:13,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357756820] [2024-11-01 06:46:13,890 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 06:46:13,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-01 06:46:13,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:46:13,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-01 06:46:13,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-01 06:46:13,892 INFO L87 Difference]: Start difference. First operand 862 states and 1191 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-01 06:46:15,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:46:15,515 INFO L93 Difference]: Finished difference Result 2547 states and 3559 transitions. [2024-11-01 06:46:15,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-01 06:46:15,516 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 46 [2024-11-01 06:46:15,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:46:15,534 INFO L225 Difference]: With dead ends: 2547 [2024-11-01 06:46:15,534 INFO L226 Difference]: Without dead ends: 1697 [2024-11-01 06:46:15,541 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-01 06:46:15,542 INFO L432 NwaCegarLoop]: 433 mSDtfsCounter, 391 mSDsluCounter, 2135 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 2568 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-01 06:46:15,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [391 Valid, 2568 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-01 06:46:15,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1697 states. [2024-11-01 06:46:15,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1697 to 1697. [2024-11-01 06:46:15,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1697 states, 1262 states have (on average 1.3565768621236134) internal successors, (1712), 1262 states have internal predecessors, (1712), 318 states have call successors, (318), 117 states have call predecessors, (318), 116 states have return successors, (332), 317 states have call predecessors, (332), 317 states have call successors, (332) [2024-11-01 06:46:15,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1697 states to 1697 states and 2362 transitions. [2024-11-01 06:46:15,681 INFO L78 Accepts]: Start accepts. Automaton has 1697 states and 2362 transitions. Word has length 46 [2024-11-01 06:46:15,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:46:15,682 INFO L471 AbstractCegarLoop]: Abstraction has 1697 states and 2362 transitions. [2024-11-01 06:46:15,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-01 06:46:15,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1697 states and 2362 transitions. [2024-11-01 06:46:15,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-01 06:46:15,692 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:46:15,692 INFO L215 NwaCegarLoop]: trace histogram [3, 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] [2024-11-01 06:46:15,704 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-01 06:46:15,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 06:46:15,893 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:46:15,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:46:15,894 INFO L85 PathProgramCache]: Analyzing trace with hash -831628904, now seen corresponding path program 1 times [2024-11-01 06:46:15,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:46:15,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [72687109] [2024-11-01 06:46:15,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:46:15,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:46:15,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:46:15,898 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 06:46:15,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-01 06:46:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:46:16,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 787 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 06:46:16,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:46:17,120 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-01 06:46:17,120 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:46:18,705 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-01 06:46:18,705 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:46:18,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [72687109] [2024-11-01 06:46:18,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [72687109] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 06:46:18,706 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 06:46:18,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 06:46:18,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139352761] [2024-11-01 06:46:18,706 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 06:46:18,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 06:46:18,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:46:18,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 06:46:18,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 06:46:18,708 INFO L87 Difference]: Start difference. First operand 1697 states and 2362 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-01 06:46:19,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:46:19,372 INFO L93 Difference]: Finished difference Result 3692 states and 5170 transitions. [2024-11-01 06:46:19,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 06:46:19,375 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 84 [2024-11-01 06:46:19,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:46:19,404 INFO L225 Difference]: With dead ends: 3692 [2024-11-01 06:46:19,405 INFO L226 Difference]: Without dead ends: 2013 [2024-11-01 06:46:19,409 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 06:46:19,411 INFO L432 NwaCegarLoop]: 442 mSDtfsCounter, 112 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 831 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-01 06:46:19,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 831 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-01 06:46:19,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2013 states. [2024-11-01 06:46:19,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2013 to 1961. [2024-11-01 06:46:19,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1961 states, 1500 states have (on average 1.3786666666666667) internal successors, (2068), 1500 states have internal predecessors, (2068), 333 states have call successors, (333), 128 states have call predecessors, (333), 127 states have return successors, (347), 332 states have call predecessors, (347), 332 states have call successors, (347) [2024-11-01 06:46:19,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1961 states to 1961 states and 2748 transitions. [2024-11-01 06:46:19,502 INFO L78 Accepts]: Start accepts. Automaton has 1961 states and 2748 transitions. Word has length 84 [2024-11-01 06:46:19,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:46:19,503 INFO L471 AbstractCegarLoop]: Abstraction has 1961 states and 2748 transitions. [2024-11-01 06:46:19,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-01 06:46:19,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1961 states and 2748 transitions. [2024-11-01 06:46:19,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-01 06:46:19,509 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:46:19,510 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-01 06:46:19,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-01 06:46:19,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 06:46:19,711 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:46:19,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:46:19,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1887281395, now seen corresponding path program 1 times [2024-11-01 06:46:19,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:46:19,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1726904166] [2024-11-01 06:46:19,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:46:19,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:46:19,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:46:19,717 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 06:46:19,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-01 06:46:20,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:46:20,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-01 06:46:20,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:46:21,991 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-01 06:46:21,991 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:46:24,208 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-01 06:46:24,208 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:46:24,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1726904166] [2024-11-01 06:46:24,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1726904166] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 06:46:24,209 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 06:46:24,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2024-11-01 06:46:24,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417754892] [2024-11-01 06:46:24,209 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 06:46:24,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-01 06:46:24,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:46:24,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-01 06:46:24,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 06:46:24,210 INFO L87 Difference]: Start difference. First operand 1961 states and 2748 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-01 06:46:28,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-01 06:46:29,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:46:29,010 INFO L93 Difference]: Finished difference Result 4998 states and 6972 transitions. [2024-11-01 06:46:29,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-01 06:46:29,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 112 [2024-11-01 06:46:29,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:46:29,027 INFO L225 Difference]: With dead ends: 4998 [2024-11-01 06:46:29,027 INFO L226 Difference]: Without dead ends: 3066 [2024-11-01 06:46:29,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-01 06:46:29,036 INFO L432 NwaCegarLoop]: 515 mSDtfsCounter, 369 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 792 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-01 06:46:29,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 792 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 22 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2024-11-01 06:46:29,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3066 states. [2024-11-01 06:46:29,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3066 to 3057. [2024-11-01 06:46:29,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3057 states, 2354 states have (on average 1.364910790144435) internal successors, (3213), 2354 states have internal predecessors, (3213), 485 states have call successors, (485), 218 states have call predecessors, (485), 217 states have return successors, (508), 484 states have call predecessors, (508), 484 states have call successors, (508) [2024-11-01 06:46:29,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3057 states to 3057 states and 4206 transitions. [2024-11-01 06:46:29,185 INFO L78 Accepts]: Start accepts. Automaton has 3057 states and 4206 transitions. Word has length 112 [2024-11-01 06:46:29,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:46:29,185 INFO L471 AbstractCegarLoop]: Abstraction has 3057 states and 4206 transitions. [2024-11-01 06:46:29,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-01 06:46:29,186 INFO L276 IsEmpty]: Start isEmpty. Operand 3057 states and 4206 transitions. [2024-11-01 06:46:29,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-01 06:46:29,190 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:46:29,190 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-01 06:46:29,208 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-01 06:46:29,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 06:46:29,391 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:46:29,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:46:29,392 INFO L85 PathProgramCache]: Analyzing trace with hash -276033569, now seen corresponding path program 1 times [2024-11-01 06:46:29,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:46:29,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1303793662] [2024-11-01 06:46:29,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:46:29,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:46:29,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:46:29,395 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 06:46:29,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-01 06:46:30,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:46:30,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-01 06:46:30,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:46:30,727 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-11-01 06:46:30,727 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:46:33,504 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-01 06:46:33,505 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:46:33,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1303793662] [2024-11-01 06:46:33,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1303793662] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 06:46:33,505 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 06:46:33,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-01 06:46:33,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690066790] [2024-11-01 06:46:33,505 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 06:46:33,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-01 06:46:33,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:46:33,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-01 06:46:33,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-01 06:46:33,506 INFO L87 Difference]: Start difference. First operand 3057 states and 4206 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-01 06:46:33,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:46:33,967 INFO L93 Difference]: Finished difference Result 6098 states and 8396 transitions. [2024-11-01 06:46:33,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-01 06:46:33,973 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 112 [2024-11-01 06:46:33,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:46:33,990 INFO L225 Difference]: With dead ends: 6098 [2024-11-01 06:46:33,990 INFO L226 Difference]: Without dead ends: 3059 [2024-11-01 06:46:33,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-01 06:46:33,999 INFO L432 NwaCegarLoop]: 429 mSDtfsCounter, 0 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 860 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-01 06:46:33,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 860 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-01 06:46:34,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3059 states. [2024-11-01 06:46:34,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3059 to 3059. [2024-11-01 06:46:34,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3059 states, 2356 states have (on average 1.3646010186757216) internal successors, (3215), 2356 states have internal predecessors, (3215), 485 states have call successors, (485), 218 states have call predecessors, (485), 217 states have return successors, (508), 484 states have call predecessors, (508), 484 states have call successors, (508) [2024-11-01 06:46:34,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3059 states to 3059 states and 4208 transitions. [2024-11-01 06:46:34,128 INFO L78 Accepts]: Start accepts. Automaton has 3059 states and 4208 transitions. Word has length 112 [2024-11-01 06:46:34,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:46:34,129 INFO L471 AbstractCegarLoop]: Abstraction has 3059 states and 4208 transitions. [2024-11-01 06:46:34,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-01 06:46:34,129 INFO L276 IsEmpty]: Start isEmpty. Operand 3059 states and 4208 transitions. [2024-11-01 06:46:34,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-01 06:46:34,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:46:34,134 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-01 06:46:34,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-01 06:46:34,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 06:46:34,334 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:46:34,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:46:34,335 INFO L85 PathProgramCache]: Analyzing trace with hash -497788897, now seen corresponding path program 1 times [2024-11-01 06:46:34,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:46:34,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [392180336] [2024-11-01 06:46:34,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:46:34,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:46:34,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:46:34,337 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 06:46:34,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-01 06:46:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:46:35,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 886 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-01 06:46:35,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:46:35,798 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-01 06:46:35,798 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:46:38,797 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-11-01 06:46:38,798 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:46:38,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [392180336] [2024-11-01 06:46:38,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [392180336] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 06:46:38,798 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 06:46:38,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-01 06:46:38,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630819844] [2024-11-01 06:46:38,798 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 06:46:38,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-01 06:46:38,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:46:38,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-01 06:46:38,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-01 06:46:38,800 INFO L87 Difference]: Start difference. First operand 3059 states and 4208 transitions. Second operand has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 2 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-01 06:46:39,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:46:39,259 INFO L93 Difference]: Finished difference Result 6094 states and 8391 transitions. [2024-11-01 06:46:39,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-01 06:46:39,265 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 2 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 114 [2024-11-01 06:46:39,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:46:39,284 INFO L225 Difference]: With dead ends: 6094 [2024-11-01 06:46:39,285 INFO L226 Difference]: Without dead ends: 3061 [2024-11-01 06:46:39,297 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-01 06:46:39,298 INFO L432 NwaCegarLoop]: 429 mSDtfsCounter, 0 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 859 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-01 06:46:39,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 859 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-01 06:46:39,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3061 states. [2024-11-01 06:46:39,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3061 to 3061. [2024-11-01 06:46:39,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3061 states, 2358 states have (on average 1.3642917726887192) internal successors, (3217), 2358 states have internal predecessors, (3217), 485 states have call successors, (485), 218 states have call predecessors, (485), 217 states have return successors, (508), 484 states have call predecessors, (508), 484 states have call successors, (508) [2024-11-01 06:46:39,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3061 states to 3061 states and 4210 transitions. [2024-11-01 06:46:39,418 INFO L78 Accepts]: Start accepts. Automaton has 3061 states and 4210 transitions. Word has length 114 [2024-11-01 06:46:39,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:46:39,419 INFO L471 AbstractCegarLoop]: Abstraction has 3061 states and 4210 transitions. [2024-11-01 06:46:39,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.5) internal successors, (93), 6 states have internal predecessors, (93), 2 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-01 06:46:39,419 INFO L276 IsEmpty]: Start isEmpty. Operand 3061 states and 4210 transitions. [2024-11-01 06:46:39,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-01 06:46:39,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:46:39,424 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 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] [2024-11-01 06:46:39,439 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-01 06:46:39,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 06:46:39,625 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:46:39,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:46:39,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1484659809, now seen corresponding path program 1 times [2024-11-01 06:46:39,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:46:39,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [937182545] [2024-11-01 06:46:39,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:46:39,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:46:39,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:46:39,628 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 06:46:39,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-01 06:46:40,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:46:40,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 908 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-01 06:46:40,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:46:42,119 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-01 06:46:42,119 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:46:46,063 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-11-01 06:46:46,063 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:46:46,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [937182545] [2024-11-01 06:46:46,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [937182545] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-01 06:46:46,063 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-01 06:46:46,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-01 06:46:46,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974444074] [2024-11-01 06:46:46,063 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-01 06:46:46,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-01 06:46:46,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:46:46,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-01 06:46:46,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-01 06:46:46,065 INFO L87 Difference]: Start difference. First operand 3061 states and 4210 transitions. Second operand has 10 states, 10 states have (on average 10.1) internal successors, (101), 10 states have internal predecessors, (101), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-01 06:46:46,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:46:46,991 INFO L93 Difference]: Finished difference Result 6104 states and 8402 transitions. [2024-11-01 06:46:46,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-01 06:46:46,993 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.1) internal successors, (101), 10 states have internal predecessors, (101), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 116 [2024-11-01 06:46:46,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:46:47,009 INFO L225 Difference]: With dead ends: 6104 [2024-11-01 06:46:47,009 INFO L226 Difference]: Without dead ends: 3063 [2024-11-01 06:46:47,017 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-01 06:46:47,018 INFO L432 NwaCegarLoop]: 429 mSDtfsCounter, 0 mSDsluCounter, 2140 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2569 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-01 06:46:47,018 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2569 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-01 06:46:47,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3063 states. [2024-11-01 06:46:47,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3063 to 3063. [2024-11-01 06:46:47,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3063 states, 2360 states have (on average 1.3639830508474575) internal successors, (3219), 2360 states have internal predecessors, (3219), 485 states have call successors, (485), 218 states have call predecessors, (485), 217 states have return successors, (508), 484 states have call predecessors, (508), 484 states have call successors, (508) [2024-11-01 06:46:47,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3063 states to 3063 states and 4212 transitions. [2024-11-01 06:46:47,188 INFO L78 Accepts]: Start accepts. Automaton has 3063 states and 4212 transitions. Word has length 116 [2024-11-01 06:46:47,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:46:47,189 INFO L471 AbstractCegarLoop]: Abstraction has 3063 states and 4212 transitions. [2024-11-01 06:46:47,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.1) internal successors, (101), 10 states have internal predecessors, (101), 2 states have call successors, (21), 2 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-01 06:46:47,189 INFO L276 IsEmpty]: Start isEmpty. Operand 3063 states and 4212 transitions. [2024-11-01 06:46:47,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-01 06:46:47,193 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:46:47,193 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 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] [2024-11-01 06:46:47,216 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-01 06:46:47,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 06:46:47,394 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:46:47,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:46:47,395 INFO L85 PathProgramCache]: Analyzing trace with hash -261354529, now seen corresponding path program 2 times [2024-11-01 06:46:47,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:46:47,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [450921738] [2024-11-01 06:46:47,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:46:47,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:46:47,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:46:47,398 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 06:46:47,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-01 06:46:48,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:46:48,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 930 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-01 06:46:48,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:46:49,837 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-01 06:46:49,837 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:46:53,848 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2024-11-01 06:46:53,848 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:46:53,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [450921738] [2024-11-01 06:46:53,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [450921738] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-01 06:46:53,849 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-01 06:46:53,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-01 06:46:53,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613889504] [2024-11-01 06:46:53,849 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-01 06:46:53,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-01 06:46:53,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:46:53,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-01 06:46:53,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-01 06:46:53,850 INFO L87 Difference]: Start difference. First operand 3063 states and 4212 transitions. Second operand has 10 states, 10 states have (on average 9.7) internal successors, (97), 10 states have internal predecessors, (97), 2 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-01 06:46:54,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:46:54,904 INFO L93 Difference]: Finished difference Result 6098 states and 8395 transitions. [2024-11-01 06:46:54,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-01 06:46:54,906 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.7) internal successors, (97), 10 states have internal predecessors, (97), 2 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 118 [2024-11-01 06:46:54,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:46:54,921 INFO L225 Difference]: With dead ends: 6098 [2024-11-01 06:46:54,921 INFO L226 Difference]: Without dead ends: 3065 [2024-11-01 06:46:54,928 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-11-01 06:46:54,929 INFO L432 NwaCegarLoop]: 429 mSDtfsCounter, 0 mSDsluCounter, 2994 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3423 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-01 06:46:54,929 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3423 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-01 06:46:54,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3065 states. [2024-11-01 06:46:55,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3065 to 3065. [2024-11-01 06:46:55,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3065 states, 2362 states have (on average 1.363674851820491) internal successors, (3221), 2362 states have internal predecessors, (3221), 485 states have call successors, (485), 218 states have call predecessors, (485), 217 states have return successors, (508), 484 states have call predecessors, (508), 484 states have call successors, (508) [2024-11-01 06:46:55,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3065 states to 3065 states and 4214 transitions. [2024-11-01 06:46:55,064 INFO L78 Accepts]: Start accepts. Automaton has 3065 states and 4214 transitions. Word has length 118 [2024-11-01 06:46:55,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:46:55,064 INFO L471 AbstractCegarLoop]: Abstraction has 3065 states and 4214 transitions. [2024-11-01 06:46:55,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.7) internal successors, (97), 10 states have internal predecessors, (97), 2 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-01 06:46:55,065 INFO L276 IsEmpty]: Start isEmpty. Operand 3065 states and 4214 transitions. [2024-11-01 06:46:55,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-01 06:46:55,069 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:46:55,069 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-01 06:46:55,092 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-01 06:46:55,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 06:46:55,270 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:46:55,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:46:55,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1904498849, now seen corresponding path program 3 times [2024-11-01 06:46:55,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:46:55,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [856388169] [2024-11-01 06:46:55,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:46:55,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:46:55,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:46:55,273 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 06:46:55,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-01 06:46:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:46:56,867 INFO L255 TraceCheckSpWp]: Trace formula consists of 952 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-01 06:46:56,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:46:58,059 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-01 06:46:58,060 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:47:01,410 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-01 06:47:01,411 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:47:01,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [856388169] [2024-11-01 06:47:01,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [856388169] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 06:47:01,411 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 06:47:01,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2024-11-01 06:47:01,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970012037] [2024-11-01 06:47:01,411 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 06:47:01,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-01 06:47:01,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:47:01,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-01 06:47:01,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-01 06:47:01,412 INFO L87 Difference]: Start difference. First operand 3065 states and 4214 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-01 06:47:01,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:47:01,883 INFO L93 Difference]: Finished difference Result 6147 states and 8536 transitions. [2024-11-01 06:47:01,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-01 06:47:01,885 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 1 states have call successors, (11) Word has length 120 [2024-11-01 06:47:01,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:47:01,898 INFO L225 Difference]: With dead ends: 6147 [2024-11-01 06:47:01,898 INFO L226 Difference]: Without dead ends: 3119 [2024-11-01 06:47:01,904 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-01 06:47:01,906 INFO L432 NwaCegarLoop]: 429 mSDtfsCounter, 0 mSDsluCounter, 1282 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1711 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-01 06:47:01,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1711 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-01 06:47:01,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3119 states. [2024-11-01 06:47:02,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3119 to 3113. [2024-11-01 06:47:02,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3113 states, 2398 states have (on average 1.3582151793160968) internal successors, (3257), 2398 states have internal predecessors, (3257), 485 states have call successors, (485), 218 states have call predecessors, (485), 229 states have return successors, (530), 496 states have call predecessors, (530), 484 states have call successors, (530) [2024-11-01 06:47:02,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3113 states to 3113 states and 4272 transitions. [2024-11-01 06:47:02,022 INFO L78 Accepts]: Start accepts. Automaton has 3113 states and 4272 transitions. Word has length 120 [2024-11-01 06:47:02,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:47:02,023 INFO L471 AbstractCegarLoop]: Abstraction has 3113 states and 4272 transitions. [2024-11-01 06:47:02,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 3 states have call predecessors, (11), 1 states have call successors, (11) [2024-11-01 06:47:02,023 INFO L276 IsEmpty]: Start isEmpty. Operand 3113 states and 4272 transitions. [2024-11-01 06:47:02,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-01 06:47:02,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:47:02,028 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 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, 1] [2024-11-01 06:47:02,054 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-01 06:47:02,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 06:47:02,229 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:47:02,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:47:02,229 INFO L85 PathProgramCache]: Analyzing trace with hash -642624438, now seen corresponding path program 1 times [2024-11-01 06:47:02,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:47:02,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1602077136] [2024-11-01 06:47:02,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:47:02,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:47:02,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:47:02,233 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 06:47:02,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-01 06:47:03,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-01 06:47:03,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 978 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-01 06:47:03,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-01 06:47:06,546 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-01 06:47:06,547 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-01 06:47:11,945 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-01 06:47:11,946 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-01 06:47:11,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1602077136] [2024-11-01 06:47:11,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1602077136] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-01 06:47:11,946 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-01 06:47:11,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10, 10] imperfect sequences [] total 10 [2024-11-01 06:47:11,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347042147] [2024-11-01 06:47:11,946 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-01 06:47:11,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-01 06:47:11,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-01 06:47:11,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-01 06:47:11,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-01 06:47:11,947 INFO L87 Difference]: Start difference. First operand 3113 states and 4272 transitions. Second operand has 10 states, 10 states have (on average 8.1) internal successors, (81), 8 states have internal predecessors, (81), 3 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 5 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-01 06:47:14,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-01 06:47:14,607 INFO L93 Difference]: Finished difference Result 6279 states and 8684 transitions. [2024-11-01 06:47:14,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-01 06:47:14,611 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 8 states have internal predecessors, (81), 3 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 5 states have call predecessors, (12), 2 states have call successors, (12) Word has length 127 [2024-11-01 06:47:14,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-01 06:47:14,632 INFO L225 Difference]: With dead ends: 6279 [2024-11-01 06:47:14,633 INFO L226 Difference]: Without dead ends: 3203 [2024-11-01 06:47:14,645 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-01 06:47:14,646 INFO L432 NwaCegarLoop]: 436 mSDtfsCounter, 7 mSDsluCounter, 3461 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 3897 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-01 06:47:14,647 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 3897 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-01 06:47:14,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3203 states. [2024-11-01 06:47:14,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3203 to 3161. [2024-11-01 06:47:14,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3161 states, 2434 states have (on average 1.3479868529170091) internal successors, (3281), 2434 states have internal predecessors, (3281), 485 states have call successors, (485), 218 states have call predecessors, (485), 241 states have return successors, (542), 508 states have call predecessors, (542), 484 states have call successors, (542) [2024-11-01 06:47:14,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3161 states to 3161 states and 4308 transitions. [2024-11-01 06:47:14,813 INFO L78 Accepts]: Start accepts. Automaton has 3161 states and 4308 transitions. Word has length 127 [2024-11-01 06:47:14,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-01 06:47:14,813 INFO L471 AbstractCegarLoop]: Abstraction has 3161 states and 4308 transitions. [2024-11-01 06:47:14,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.1) internal successors, (81), 8 states have internal predecessors, (81), 3 states have call successors, (13), 2 states have call predecessors, (13), 4 states have return successors, (12), 5 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-01 06:47:14,814 INFO L276 IsEmpty]: Start isEmpty. Operand 3161 states and 4308 transitions. [2024-11-01 06:47:14,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-01 06:47:14,820 INFO L207 NwaCegarLoop]: Found error trace [2024-11-01 06:47:14,820 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 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] [2024-11-01 06:47:14,839 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-01 06:47:15,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-01 06:47:15,021 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-01 06:47:15,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-01 06:47:15,021 INFO L85 PathProgramCache]: Analyzing trace with hash 2043346908, now seen corresponding path program 1 times [2024-11-01 06:47:15,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-01 06:47:15,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1853447132] [2024-11-01 06:47:15,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-01 06:47:15,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-01 06:47:15,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-01 06:47:15,025 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-01 06:47:15,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process